Hidden rail machining machine

Abstract

The utility model provides a hidden rail machining machine and a machining method using the hidden rail machining machine. A spigot punching die machining part, a head shaping die machining part, a tail shaping die machining part, a first overturning part, an edge buckling and punching machining part, a straight edge sprouting machining part, a second overturning part, a straight edge punching machining part, an edge buckling sprouting machining part, a third overturning part and a lower blocking point machining part of the automatic die device are arranged. The side hook machining part and the upper blocking point machining part are matched with the structure of a controller and an automatic material bridge arranged on the rack, so that the processes of spigot punching, head shaping and chamfering, tail shaping, 90-degree overturning, buckling edge punching, straight edge sprouting, 180-degree overturning, straight edge punching, buckling edge sprouting, 90-degree overturning, lower blocking point punching, side hook punching, upper blocking point punching and the like are completed for the half-finished middle rail part. A built-in direct-punching sprouting technology, multi-process integrated manufacturing and intelligent operation can be realized, high efficiency and precision are realized, and the quality stability of products is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of concealed rail processing, in particular to a concealed rail processing machine. Background Art

[0002] At present, concealed rails are widely used in furniture and electrical appliances. The concealed rail includes a fixed rail, a middle rail and a movable rail. The fixed rail is installed on the cabinet body, the movable rail is installed on the drawer, and the middle rail is slidably connected between the movable rail and the fixed rail. Among them, the middle rail of this concealed rail is a linear guide rail, and it has three common specifications, namely 15 inches, 18 inches, and 21 inches. The middle rail of this structure has stamping processes on all four sides, specifically as follows: tearing hooks, blocking points, punching holes, drawing buds, chamfering, and shaping, which are all completed by a pneumatic layout progressive die. The processes are cumbersome, the production efficiency is low, the labor cost is high, and the quality is unstable. Summary of the Utility Model

[0003] The invention object of the utility model is to overcome the deficiencies of the prior art, and provide a concealed rail processing machine and a method for using the machine. The structure is compact, it can incorporate a direct punching and drawing bud technology, multi-process integrated manufacturing, intelligent operation, high efficiency and precision, effectively extend the service life, and improve the quality stability of products.

[0004] The invention object of the utility model is realized as follows: A concealed rail processing machine includes a frame, a workpiece conveyor belt for conveying semi-finished middle rails, and an automatic die device for processing semi-finished middle rails. The automatic die device is installed on the frame and its feeding end is connected to the workpiece conveyor belt. Among them, the automatic die device includes a stop-notch die processing component, a head shaping die processing component, a tail shaping die processing component, a first flipping component, a side-edge punching processing component, a straight-edge drawing bud processing component, a second flipping component, a straight-edge punching processing component, a side-edge drawing bud processing component, a third flipping component, a lower stop-point processing component, a side-hook processing component, and an upper stop-point processing component that are sequentially distributed on the frame from the feeding direction. A controller and an automatic material bridge with several workpiece conveying stations are arranged on the frame. The controller controls the running sequences of the automatic material bridge, the stop-notch die processing component, the head shaping die processing component, the tail shaping die processing component, the first flipping component, the side-edge punching processing component, the straight-edge drawing bud processing component, the second flipping component, the straight-edge punching processing component, the side-edge drawing bud processing component, the third flipping component, the lower stop-point processing component, the side-hook processing component, and the upper stop-point processing component respectively, so that the workpiece conveying stations of each automatic material bridge are reciprocally connected between the corresponding upper and lower processing components.

[0005] Optimized according to the above, the processing components of the stop-notch die include a stop-notch processing pusher, an upper stop-notch die punch set, a lower stop-notch die set, and a stop-notch workpiece reset pusher. The stop-notch processing pusher is installed on one side of the automatic material bridge, and its push rod pushes or moves away from the workpiece conveying station. The lower stop-notch die set is installed on the other side of the automatic material bridge corresponding to the stop-notch processing pusher. The upper stop-notch die punch set is arranged above the lower stop-notch die set, and its stop-notch punch moves up and down towards the lower stop-notch die set. The stop-notch workpiece reset pusher is installed on one side of the lower stop-notch die set, and its push rod pushes or moves away from the workpiece conveying station. The controller is respectively connected to the stop-notch processing pusher, the upper stop-notch die punch set, and the stop-notch workpiece reset pusher and controls their operating sequences;

[0006] The processing components of the head shaping die include a head pusher, an upper head shaping chamfer die punch set, and a lower head shaping chamfer die set. The head pusher is installed on one side of the automatic material bridge, and its push rod pushes or moves away from the workpiece conveying station respectively. The lower head shaping chamfer die set is installed on the other side of the automatic material bridge corresponding to the head pusher. The upper head shaping chamfer die punch set is arranged above the lower head shaping chamfer die set, and its chamfer punch moves up and down towards the lower head shaping chamfer die set. The controller is respectively connected to the head pusher and the upper head shaping chamfer die punch set and controls their operating sequences;

[0007] The processing components of the tail shaping die include a tail pusher, an upper tail shaping die punch set, a lower tail shaping die set, and a tail shaping reset pusher. The tail pusher is installed on one side of the automatic material bridge, and its push rod pushes or moves away from the workpiece conveying station. The lower tail shaping die set is installed on the other side of the automatic material bridge corresponding to the tail pusher. The upper tail shaping die punch set is installed above the lower tail shaping die set, and its tail shaping clamping block moves up and down. The tail shaping reset pusher is installed on one side of the lower tail shaping die set, and its push rod pushes or moves away from the workpiece conveying station. The controller is respectively connected to the tail pusher, the upper tail shaping die punch set, and the tail shaping reset pusher and controls their operating sequences.

[0008] Optimized according to the above, the edge - buckling and punching processing component includes an edge - buckling and punching pusher, an edge - buckling and punching upper die punch set, an edge - buckling and punching lower die set, and an edge - buckling and punching reset pusher. The straight - edge budding processing component includes a straight - edge budding pusher, a straight - edge budding upper die needle set, a straight - edge budding lower die set, and a straight - edge budding reset pusher. On one side of the automatic material bridge, a position - adjusting sliding block assembly for adapting the installation of the edge - buckling and punching pusher and the straight - edge budding pusher is installed. The push rods of the edge - buckling and punching pusher and the straight - edge budding pusher respectively push towards or away from the workpiece conveying station. The edge - buckling and punching lower die set and the straight - edge budding lower die set are respectively installed on the other side of the automatic material bridge corresponding to the edge - buckling and punching pusher and the straight - edge budding pusher. The edge - buckling and punching upper die punch set and the straight - edge budding upper die needle set are respectively above the edge - buckling and punching lower die set and the straight - edge budding lower die set. And the edge - buckling and punching punch of the edge - buckling and punching upper die punch set telescopically moves up and down towards the edge - buckling and punching lower die set, and the needles of the straight - edge budding upper die needle set telescopically move up and down towards the straight - edge budding lower die set. The edge - buckling and punching reset pusher and the straight - edge budding reset pusher are respectively installed on one side of the edge - buckling and punching lower die set and the straight - edge budding lower die set, and their push rods respectively push towards or away from the workpiece conveying station. The controller is respectively connected to the edge - buckling and punching pusher, the edge - buckling and punching upper die punch set, the edge - buckling and punching reset pusher, the straight - edge budding pusher, the straight - edge budding upper die needle set, and the straight - edge budding reset pusher and controls their operating sequence.

[0009] Optimized according to the above, the straight - edge punching processing component includes a straight - edge punching pusher, a straight - edge punching upper die punch set, a straight - edge punching lower die set, and a straight - edge punching reset pusher. The edge - buckling budding processing component includes an edge - buckling budding pusher, an edge - buckling budding upper die needle set, an edge - buckling budding lower die set, and an edge - buckling budding reset pusher. On one side of the automatic material bridge, a position - adjusting sliding block assembly for adapting the installation of the straight - edge punching pusher and the edge - buckling budding pusher is installed. The push rods of the straight - edge punching pusher and the edge - buckling budding pusher respectively push towards or away from the workpiece conveying station. The straight - edge punching lower die set and the edge - buckling budding lower die set are respectively installed on the other side of the automatic material bridge corresponding to the straight - edge punching pusher and the edge - buckling budding pusher. The straight - edge punching upper die punch set and the edge - buckling budding upper die needle set are respectively above the straight - edge punching lower die set and the edge - buckling budding lower die set. And the straight - edge punching punch of the straight - edge punching upper die punch set telescopically moves up and down towards the straight - edge punching lower die set, and the needles of the edge - buckling budding upper die needle set telescopically move up and down towards the edge - buckling budding lower die set. The straight - edge punching reset pusher and the edge - buckling budding reset pusher are respectively installed on one side of the straight - edge punching lower die set and the edge - buckling budding lower die set, and their push rods respectively push towards or away from the workpiece conveying station. The controller is respectively connected to the straight - edge punching pusher, the straight - edge punching upper die punch set, the straight - edge punching reset pusher, the edge - buckling budding pusher, the edge - buckling budding upper die needle set, and the edge - buckling budding reset pusher and controls their operating sequence.

[0010] Optimized according to the above, the lower stop point processing component includes a lower stop point processing pusher, an upper die punch set for the lower stop point, a lower die set for the lower stop point, and a workpiece reset pusher for the lower stop point. The lower stop point processing pusher is installed on one side of the automatic material bridge, and its push rod pushes towards or away from the workpiece conveying station. The lower die set for the lower stop point is installed on the other side of the automatic material bridge corresponding to the lower stop point processing pusher. The upper die punch set for the lower stop point is arranged above the lower die set for the lower stop point, and its lower stop point punch extends and retracts up and down towards the lower die set for the lower stop point. The workpiece reset pusher for the lower stop point is installed on one side of the lower die set for the lower stop point, and its push rod pushes towards or away from the workpiece conveying station. The controller is respectively connected to the lower stop point processing pusher, the upper die punch set for the lower stop point, and the workpiece reset pusher for the lower stop point, and controls their operation sequence;

[0011] The side hook processing component includes a side hook processing pusher, an upper die punch set for the side hook, a lower die set for the side hook, and a workpiece reset pusher for the side hook. The side hook processing pusher is installed on one side of the automatic material bridge, and its push rod pushes towards or away from the workpiece conveying station. The lower die set for the side hook is installed on the other side of the automatic material bridge corresponding to the side hook processing pusher. The upper die punch set for the side hook is arranged above the lower die set for the side hook, and its side hook punch extends and retracts up and down towards the lower die set for the side hook. The workpiece reset pusher for the side hook is installed on one side of the lower die set for the side hook, and its push rod pushes towards or away from the workpiece conveying station. The controller is respectively connected to the side hook processing pusher, the upper die punch set for the side hook, and the workpiece reset pusher for the side hook, and controls their operation sequence;

[0012] The upper stop point processing component includes an upper stop point processing pusher, an upper die punch set for the upper stop point, and a lower die set for the upper stop point. The upper stop point processing pusher is installed on one side of the automatic material bridge, and its push rod pushes towards or away from the workpiece conveying station. The lower die set for the upper stop point is installed on the other side of the automatic material bridge corresponding to the upper stop point processing pusher. The upper die punch set for the upper stop point is arranged above the lower die set for the upper stop point, and its upper stop point punch extends and retracts up and down towards the lower die set for the upper stop point. The controller is respectively connected to the upper stop point processing pusher and the upper die punch set for the upper stop point, and controls their operation sequence.

[0013] Optimized according to the above, the first flipping component includes a first positioning pusher that can extend and retract back and forth and a first rotation driving source that can rotate the middle rail semi-finished part by 90 degrees. The first positioning pusher is respectively installed on the left and right sides of the automatic material bridge, and its push block is connected to the first rotation driving source. The output end of the first rotation driving source is connected to the middle rail semi-finished part;

[0014] The second flipping component includes a second positioning pusher that can telescopically move forward and backward and a second rotation driving source that can rotate the middle rail semi-finished part by 180 degrees. The second positioning pushers are respectively installed on the left and right sides of the automatic material bridge, and the second positioning pushers push the second rotation driving source. The output end of the second rotation driving source is connected to the middle rail semi-finished part;

[0015] The third flipping component includes a third positioning pusher that can telescopically move forward and backward and a third rotation driving source that can rotate the middle rail semi-finished part by 180 degrees. The third positioning pushers are respectively installed on the left and right sides of the automatic material bridge, and the third positioning pushers push the third rotation driving source. The output end of the third rotation driving source is connected to the middle rail semi-finished part.

[0016] Optimized according to the above, the automatic material bridge includes a material bridge conveyor belt having several feeding stations, a material bridge conveyor driving source for driving the material bridge conveyor belt to rotate back and forth, and a material bridge lifting driving source for driving the material bridge conveyor belt to lift up and down. The material bridge lifting driving source is installed on the machine frame, the material bridge conveyor driving source is installed at the lifting end of the material bridge lifting driving source, and the output end of the material bridge conveyor driving source is connected to the material bridge conveyor belt; the controller is connected to the material bridge conveyor driving source and the material bridge lifting driving source and controls the running sequence of them.

[0017] Optimized according to the above, the machine frame is provided with a feeding positioning station and a discharging positioning station corresponding to the feeding end and the discharging end of the material bridge conveyor belt, and workpiece conveyor belts are respectively connected to the feeding positioning station and the discharging positioning station.

[0018] The advantages of the present utility model are as follows: By adopting the structure of the hidden rail processing machine and the processing method using this machine, the bottleneck of the middle rail in processing the hidden rail can be solved, and the quality stability, mold safety, and continuous processing productivity are effectively improved. Especially for the production efficiency, the improvement effect is obvious. The direct punching and tapping technology can be built in, multi-process integrated manufacturing, intelligent operation, effectively replacing the original manufacturing process of the pneumatic layout progressive die full-out, high-efficiency and precision, and effectively extending the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic structural diagram of a preferred embodiment of the present utility model.

[0020] Figure 2 It is a front view of a preferred embodiment of the present utility model.

[0021] Figure 3 It is a schematic structural diagram of another angle of a preferred embodiment of the present utility model (omitting the partial machine frame).

[0022] Figure 4 It is a partial schematic diagram of the automatic die device of a preferred embodiment of the present utility model.

[0023] Figure 5 It is the bottom view of the preferred embodiment of the present utility model.

[0024] Figure 6 It is the structural diagram of the rail plus product in the preferred embodiment of the present utility model. Specific embodiments

[0025] The present utility model will be further described below in conjunction with the accompanying drawings.

[0026] According to the attached Figures 1 to 6 As shown, the hidden rail processing machine of the present utility model includes a frame 1, a workpiece conveyor belt for conveying semi-finished middle rails, and an automatic die device for processing semi-finished middle rails. The automatic die device is installed on the frame 1 and its feeding end is connected to the workpiece conveyor belt. Among them, the automatic die device includes a stop notch die processing component 2, a head shaping die processing component 3, a tail shaping die processing component 4, a first flipping component 5, a hemming punching processing component 6, a straight edge budding processing component 7, a second flipping component 8, a straight edge punching processing component 9, a hemming budding processing component 10, a third flipping component 11, a lower stop point processing component 12, a side hook processing component 13, and an upper stop point processing component 14 that are sequentially distributed on the frame 1 from the feeding direction. A controller 15 and an automatic material bridge 16 with several workpiece conveying stations are provided on the frame 1. The controller 15 controls the running sequences of the automatic material bridge 16, the stop notch die processing component 2, the head shaping die processing component 3, the tail shaping die processing component 4, the first flipping component 5, the hemming punching processing component 6, the straight edge budding processing component 7, the second flipping component 8, the straight edge punching processing component 9, the hemming budding processing component 10, the third flipping component 11, the lower stop point processing component 12, the side hook processing component 13, and the upper stop point processing component 14 respectively, so that the workpiece conveying stations of each automatic material bridge 16 are reciprocally connected between the corresponding upper and lower processing components.

[0027] In this way, according to the structure of the middle rail of the hidden rail, its specific structural shape is as shown in the figure. With the structural cooperation of the stop notch die processing component 2, the head shaping die processing component 3, the tail shaping die processing component 4, the first flipping component 5, the hemming punching processing component 6, the straight edge budding processing component 7, the second flipping component 8, the straight edge punching processing component 9, the hemming budding processing component 10, the third flipping component 11, the lower stop point processing component 12, the side hook processing component 13, and the upper stop point processing component 14, the semi-finished middle rail can complete processes such as punching the stop notch, head shaping chamfering, tail shaping, 90-degree flipping, hemming punching, straight edge budding, 180-degree flipping, straight edge punching, hemming budding, 90-degree flipping, punching the lower stop point, punching the side hook, and punching the upper stop point. The structure is compact, the direct punching and budding technology can be built in, multi-process integrated manufacturing, intelligent operation, high efficiency and precision, effectively extending the service life and improving the product quality stability.

[0028] Refer to Figures 1 to 6 As shown, for further refinement, the punching and stopping port mold processing component 2 includes a punching and stopping port processing pusher 21, a punching and stopping port upper die punch group 22, a punching and stopping port lower die group 23, and a punching and stopping port workpiece reset pusher 24. The punching and stopping port processing pusher 21 is installed on one side of the automatic material bridge 16 and its push rod pushes towards or away from the workpiece conveying station. The punching and stopping port lower die group 23 is installed on the other side of the automatic material bridge 16 corresponding to the punching and stopping port processing pusher 21. The punching and stopping port upper die punch group 22 is arranged above the punching and stopping port lower die group 23 and its punching and stopping port punches extend and retract up and down towards the punching and stopping port lower die group 23. The punching and stopping port workpiece reset pusher 24 is installed on one side of the punching and stopping port lower die group 23 and its push rod pushes towards or away from the workpiece conveying station. The controller 15 is respectively connected to the punching and stopping port processing pusher 21, the punching and stopping port upper die punch group 22, and the punching and stopping port workpiece reset pusher 24 and controls their operating sequences.

[0029] Refer to Figures 1 to 6 As shown, for further refinement, the head shaping mold processing component 3 includes a head pusher 31, a head shaping chamfer upper die punch group 32, and a head shaping chamfer lower die group 33. The head pusher 31 is installed on one side of the automatic material bridge 16 and its push rod respectively pushes towards or away from the workpiece conveying station. The head shaping chamfer lower die group 33 is installed on the other side of the automatic material bridge 16 corresponding to the head pusher 31. The head shaping chamfer upper die punch group 32 is arranged above the head shaping chamfer lower die group 33 and its chamfer punches extend and retract up and down towards the head shaping chamfer lower die group 33. The controller 15 is respectively connected to the head pusher 31 and the head shaping chamfer upper die punch group 32 and controls their operating sequences.

[0030] Refer to Figures 1 to 6 As shown, for further refinement, the tail shaping mold processing component 4 includes a tail pusher 41, a tail shaping upper die punch group 42, a tail shaping lower die group 43, and a tail shaping reset pusher 44. The tail pusher 41 is installed on one side of the automatic material bridge 16 and its push rod pushes towards or away from the workpiece conveying station. The tail shaping lower die group 43 is installed on the other side of the automatic material bridge 16 corresponding to the tail pusher 41. The tail shaping upper die punch group 42 is installed above the tail shaping lower die group 43 and its tail shaping clamping block moves up and down. The tail shaping reset pusher 44 is installed on one side of the tail shaping lower die group 43 and its push rod pushes towards or away from the workpiece conveying station. The controller 15 is respectively connected to the tail pusher 41, the tail shaping upper die punch group 42, and the tail shaping reset pusher 44 and controls their operating sequences.

[0031] Refer to Figures 1 to 6As shown, for further refinement, the edge - buckling and punching processing component 6 includes an edge - buckling and punching pusher 61, an edge - buckling and punching upper die punch set 62, an edge - buckling and punching lower die set 63, and an edge - buckling and punching reset pusher 64. The straight - edge budding processing component 7 includes a straight - edge budding pusher 71, a straight - edge budding upper die needle set 72, a straight - edge budding lower die set 73, and a straight - edge budding reset pusher 74. On one side of the automatic material bridge 16, there is a position - adjusting sliding block assembly adapted for the installation of the edge - buckling and punching pusher 61 and the straight - edge budding pusher 71. The push rods of the edge - buckling and punching pusher 61 and the straight - edge budding pusher 71 push towards or away from the workpiece conveying station. The edge - buckling and punching lower die set 63 and the straight - edge budding lower die set 73 are respectively installed on the other side of the automatic material bridge 16 corresponding to the edge - buckling and punching pusher 61 and the straight - edge budding pusher 71. The edge - buckling and punching upper die punch set 62 and the straight - edge budding upper die needle set 72 are respectively above the edge - buckling and punching lower die set 63 and the straight - edge budding lower die set 73. And the edge - buckling and punching punches of the edge - buckling and punching upper die punch set 62 extend and retract up and down towards the edge - buckling and punching lower die set 63. The needles of the straight - edge budding upper die needle set 72 extend and retract up and down towards the straight - edge budding lower die set 73. The edge - buckling and punching reset pusher 64 and the straight - edge budding reset pusher 74 are respectively installed on one side of the edge - buckling and punching lower die set 63 and the straight - edge budding lower die set 73, and their push rods push towards or away from the workpiece conveying station. The controller 15 is respectively connected to the edge - buckling and punching pusher 61, the edge - buckling and punching upper die punch set 62, the edge - buckling and punching reset pusher 64, the straight - edge budding pusher 71, the straight - edge budding upper die needle set 72, and the straight - edge budding reset pusher 74, and controls their operating sequences.

[0032] Referring to Figures 1 to 6As shown, for further refinement, the straight-edge punching processing component 9 includes a straight-edge punching pusher 91, a straight-edge punching upper die punch set 92, a straight-edge punching lower die set 93, and a straight-edge punching reset pusher 94. The edge-bending and budding processing component 10 includes an edge-bending and budding pusher 101, an edge-bending and budding upper die needle set 102, an edge-bending and budding lower die set 103, and an edge-bending and budding reset pusher 104. A position adjustment slider assembly for installing the straight-edge punching pusher 91 and the edge-bending and budding pusher 101 is installed on one side of the automatic material bridge 16. The push rods of the straight-edge punching pusher 91 and the edge-bending and budding pusher 101 push towards or away from the workpiece conveying station. The straight-edge punching lower die set 93 and the edge-bending and budding lower die set 103 are respectively installed on the other side of the automatic material bridge 16 corresponding to the straight-edge punching pusher 91 and the edge-bending and budding pusher 101. The straight-edge punching upper die punch set 92 and the edge-bending and budding upper die needle set 102 are respectively above the straight-edge punching lower die set 93 and the edge-bending and budding lower die set 103. The straight-edge punching punches of the straight-edge punching upper die punch set 92 stretch up and down towards the straight-edge punching lower die set 93, and the needles of the edge-bending and budding upper die needle set 102 stretch up and down towards the edge-bending and budding lower die set 103. The straight-edge punching reset pusher 94 and the edge-bending and budding reset pusher 104 are respectively installed on one side of the straight-edge punching lower die set 93 and the edge-bending and budding lower die set 103, and their push rods push towards or away from the workpiece conveying station. The controller 15 is respectively connected to the straight-edge punching pusher 91, the straight-edge punching upper die punch set 92, the straight-edge punching reset pusher 94, the edge-bending and budding pusher 101, the edge-bending and budding upper die needle set 102, and the edge-bending and budding reset pusher 104 and controls their operating sequences.

[0033] Refer to Figures 1 to 6 As shown, for further refinement, the lower stop point processing component 12 includes a lower stop point processing pusher 121, a lower stop point upper die punch set 122, a lower stop point lower die set 123, and a lower stop point workpiece reset pusher 124. The lower stop point processing pusher 121 is installed on one side of the automatic material bridge 16 and its push rod pushes towards or away from the workpiece conveying station. The lower stop point lower die set 123 is installed on the other side of the automatic material bridge 16 corresponding to the lower stop point processing pusher 121. The upper die punch set 22 for punching the stop notch is arranged above the lower stop point lower die set 123 and its lower stop point punches stretch up and down towards the lower stop point lower die set 123. The lower stop point workpiece reset pusher 124 is installed on one side of the lower stop point lower die set 123 and its push rod pushes towards or away from the workpiece conveying station. The controller 15 is respectively connected to the lower stop point processing pusher 121, the lower stop point upper die punch set 122, and the lower stop point workpiece reset pusher 124 and controls their operating sequences.

[0034] Refer to Figures 1 to 5As shown, for further refinement, the side hook processing component 13 includes a side hook processing pusher 131, a side hook upper die punch group 132, a side hook lower die group 133, and a side hook workpiece reset pusher 134. The side hook processing pusher 131 is installed on one side of the automatic material bridge 16 and its push rod pushes towards or away from the workpiece conveying station. The side hook lower die group 133 is installed on the other side of the automatic material bridge 16 corresponding to the side hook processing pusher 131. The side hook upper die punch group 132 is arranged above the side hook lower die group 133 and its side hook punch extends and retracts up and down towards the side hook lower die group 133. The side hook workpiece reset pusher 134 is installed on one side of the side hook lower die group 133 and its push rod pushes towards or away from the workpiece conveying station. The controller 15 is respectively connected to the side hook processing pusher 131, the side hook upper die punch group 132, and the side hook workpiece reset pusher 134 and controls their operating sequences.

[0035] Refer to Figures 1 to 6 As shown, for further refinement, the upper stop point processing component 14 includes an upper stop point processing pusher 141, an upper stop point upper die punch group 142, and an upper stop point lower die group 143. The upper stop point processing pusher 141 is installed on one side of the automatic material bridge 16 and its push rod pushes towards or away from the workpiece conveying station. The upper stop point lower die group 143 is installed on the other side of the automatic material bridge 16 corresponding to the upper stop point processing pusher 141. The upper stop point upper die punch group 142 is arranged above the upper stop point lower die group 143 and its upper stop point punch extends and retracts up and down towards the upper stop point lower die group 143. The controller 15 is respectively connected to the upper stop point processing pusher 141 and the upper stop point upper die punch group 142 and controls their operating sequences.

[0036] Refer to Figures 1 to 6 As shown, for further refinement, the first flipping component 5 includes a first positioning pusher 51 that can extend and retract back and forth and a first rotation driving source 52 that can rotate the mid-rail semi-finished part by 90 degrees. The first positioning pusher 51 is respectively installed on the left and right sides of the automatic material bridge 16 and its pushing block is connected to the first rotation driving source 52. The output end of the first rotation driving source 52 is connected to the mid-rail semi-finished part.

[0037] And, the second flipping component 8 includes a second positioning pusher 81 that can extend and retract back and forth and a second rotation driving source 82 that can rotate the mid-rail semi-finished part by 180 degrees. The second positioning pusher 81 is respectively installed on the left and right sides of the automatic material bridge 16 and its pushing the second rotation driving source 82. The output end of the second rotation driving source 82 is connected to the mid-rail semi-finished part.

[0038] Moreover, the third flipping member 11 includes a third positioning pusher 111 that can be telescopically extended and retracted in the front and rear directions, and a third rotation driving source 112 that can rotate the middle rail semi-finished part by 180 degrees. The third positioning pusher 111 is respectively installed on the left and right sides of the automatic material bridge 16 and pushes the third rotation driving source 112, and the output end of the third rotation driving source 112 is connected to the middle rail semi-finished part.

[0039] Referring to Figures 1 to 6 As shown, for further refinement, the automatic material bridge 16 includes a material bridge conveyor belt 161 having several feeding stations 162, a material bridge conveying driving source 163 for driving the material bridge conveyor belt 161 to rotate back and forth, and a material bridge lifting driving source 164 for driving the material bridge conveyor belt 161 to lift up and down. The material bridge lifting driving source is installed on the machine frame 1, the material bridge conveying driving source 163 is installed at the lifting end of the material bridge lifting driving source, and the output end of the material bridge conveying driving source 163 is connected to the material bridge conveyor belt 161; the controller 15 is connected to the material bridge conveying driving source 163 and the material bridge lifting driving source 164 and controls the operating sequence thereof.

[0040] In addition, an inlet positioning station 17 and an outlet positioning station 18 corresponding to the inlet end and the outlet end of the material bridge conveyor belt 161 are provided on the machine frame 1, and workpiece conveyor belts are respectively connected to the inlet positioning station 17 and the outlet positioning station 18. With the structural cooperation of the inlet positioning station 17 and the outlet positioning station 18, the processing accuracy of the middle rail semi-finished part is improved, the intelligence is high, and the processing quality is ensured.

[0041] Referring to Figures 1 to 6 As shown, a hidden rail processing method, a processing method using the hidden rail processing machine, the processing steps thereof are as follows:

[0042] First step: punching a stop notch. The controller 15 controls the workpiece conveyor belt, the automatic material bridge 16, and the stop notch die processing component 2 to act, so that the middle rail semi-finished part is conveyed from the workpiece conveyor belt to the inlet positioning station 17. The workpiece conveying station moves up and down and back and forth along with the automatic material bridge 16 to drive the middle rail semi-finished part into the stop notch die processing component 2. The punching processing pusher of the stop notch die processing component 2 acts to push the middle rail semi-finished part into the stop notch lower die module 23 for clamping and positioning. The stop notch upper die punch group 22 acts to punch the middle rail semi-finished part by stamping to complete the punching of the stop notch. Subsequently, the stop notch upper die punch group 22 resets, and the stop notch workpiece reset pusher 24 acts to push the middle rail semi-finished part away from the stop notch lower die module 23 and into the corresponding workpiece conveying station, and the automatic material bridge 16 acts to move the middle rail semi-finished part to the next processing step.

[0043] Second step: Head shaping chamfering. The controller 15 controls the automatic material bridge 16 to reset its movement and controls the head shaping die processing component 3 to move. The head pusher 31 moves to push the semi-finished middle rail component into the lower module 33 of the head shaping chamfering for clamping and positioning. The upper die punch group 32 of the head shaping chamfering moves, and the head of the semi-finished middle rail component is shaped and chamfered by upsetting. Subsequently, the upper die of the head shaping chamfering resets, the head pusher 31 resets, pushing the semi-finished middle rail component away from the lower module 33 of the head shaping chamfering and into the corresponding workpiece conveying station, and the automatic material bridge 16 moves to transfer the semi-finished middle rail component to the next processing step.

[0044] Third step: Tail shaping chamfering. The controller 15 controls the automatic material bridge 16 to reset its movement and controls the tail shaping die processing component 4 to move. Its tail pusher 41 moves to push the semi-finished middle rail component into the lower module 43 of the tail shaping for clamping and positioning. The upper die punch group 42 of the tail shaping moves, and the tail is shaped by the side impact of the tail shaping clamping block. Subsequently, the upper die punch group 42 of the tail shaping resets, the tail shaping reset pusher 44 moves, pushing the semi-finished middle rail component away from the lower module 43 of the tail shaping and into the corresponding workpiece conveying station, and the automatic material bridge 16 moves to transfer the semi-finished middle rail component to the next processing step;

[0045] Fourth step: 90-degree flipping. The controller 15 controls the automatic material bridge 16 to reset its movement and controls the first flipping component 5 to move. The first positioning pushers 51 on both the left and right sides of the frame 1 move to position and clamp both ends of the semi-finished middle rail component. The first rotation drive source 52 moves to drive the semi-finished middle rail component to rotate 90 degrees. Subsequently, the first rotation drive source 52 stops working, the first positioning pushers 51 reset, and the automatic material bridge 16 moves to transfer the semi-finished middle rail component to the next processing step.

[0046] Fifth step: Edge buckling and punching. The controller 15 controls the automatic material bridge 16 to reset its movement and controls the edge buckling and punching processing component 6 to move, causing the edge buckling and punching pusher 61 to move to push the semi-finished middle rail component into the lower module 63 of the edge buckling and punching for clamping and positioning. The upper die punch group 62 of the edge buckling and punching moves, and the edge buckling and punching punch punches straight through the edge to complete the edge buckling and punching of round holes. Subsequently, the upper die punch group 62 of the edge buckling and punching resets, the edge buckling and punching reset pusher 64 moves, pushing the semi-finished middle rail component away from the lower module 63 of the edge buckling and punching and into the corresponding workpiece conveying station, and the automatic material bridge 16 moves to transfer the semi-finished middle rail component to the next processing step.

[0047] Sixth step: Straight-edge budding. The controller 15 controls the automatic material bridge 16 to reset its movement and controls the straight-edge budding processing component 7 to act, causing the straight-edge budding pusher 71 to act, pushing the semi-finished middle-rail part into the straight-edge budding lower module 73 for clamping and positioning. The straight-edge budding upper die needle extraction group 72 acts, and completes the straight-edge budding by extracting the needle straightly along the straight edge. Subsequently, the straight-edge budding upper die needle extraction group 72 resets, and the straight-edge budding reset pusher 74 acts, pushing the semi-finished middle-rail part away from the straight-edge budding lower module 73 and into the corresponding workpiece conveying station. The automatic material bridge 16 acts to transfer the semi-finished middle-rail part to the next processing step.

[0048] Seventh step: 180-degree flipping. The controller 15 controls the automatic material bridge 16 to reset its movement and controls the second flipping component 8 to act. The second positioning pushers 81 on both the left and right sides of the frame 1 act to position and clamp both ends of the semi-finished middle-rail part. The second rotation drive source 82 acts to drive the semi-finished middle-rail part to rotate 180 degrees. Subsequently, the second rotation drive source 82 stops working, the second positioning pushers 81 reset, and the automatic material bridge 16 acts to transfer the semi-finished middle-rail part to the next processing step;

[0049] Eighth step: Straight-edge punching. The controller 15 controls the automatic material bridge 16 to reset its movement and controls the straight-edge punching processing component 9 to act, causing the straight-edge punching pusher 91 to act, pushing the semi-finished middle-rail part into the straight-edge punching lower module 93 for clamping and positioning. The straight-edge punching upper die punch group 92 acts, and completes the straight-edge punching of a round hole by punching straightly along the straight edge. Subsequently, the straight-edge punching upper die punch group 92 resets, and the straight-edge punching reset pusher 94 acts, pushing the semi-finished middle-rail part away from the straight-edge punching lower module 93 and into the corresponding workpiece conveying station. The automatic material bridge 16 acts to transfer the semi-finished middle-rail part to the next processing step.

[0050] Ninth step: Edge-buckling budding. The controller 15 controls the automatic material bridge 16 to reset its movement and controls the edge-buckling budding processing component 10 to act, causing the edge-buckling budding pusher 101 to act, pushing the semi-finished middle-rail part into the edge-buckling budding lower module 103 for clamping and positioning. The edge-buckling budding upper die needle extraction group 102 acts, and completes the edge-buckling budding by extracting the needle straightly along the edge-buckling. Subsequently, the edge-buckling budding upper die needle extraction group 102 resets, and the edge-buckling budding reset pusher 104 acts, pushing the semi-finished middle-rail part away from the edge-buckling budding lower module 103 and into the corresponding workpiece conveying station. The automatic material bridge 16 acts to transfer the semi-finished middle-rail part to the next processing step.

[0051] Tenth step: 90-degree flip. The controller 15 controls the automatic material bridge 16 to reset its movement and controls the third flipping component 11 to move. The third positioning and pushing members 111 on the left and right sides of the frame 1 move to position and clamp both ends of the semi-finished middle rail. The third rotation drive source 112 moves to drive the semi-finished middle rail to rotate 90 degrees. Subsequently, the third rotation drive source 112 stops working, the third positioning and pushing members 111 reset, and the automatic material bridge 16 moves to transfer the semi-finished middle rail to the next processing step.

[0052] Eleventh step: Punch the lower stop point. The controller 15 controls the automatic material bridge 16 to reset its movement and controls the lower stop point processing component 12 to move. Its lower stop point processing and pushing member 121 moves to push the semi-finished middle rail into the lower stop point lower module 123 for clamping and positioning. The upper die punch group 122 of the lower stop point moves, and the tearing hook punch of the upper die punch of the lower stop point is used to complete punching the lower stop point. Subsequently, the upper die punch group 122 of the lower stop point resets, and the lower stop point workpiece reset and pushing member 124 moves to push the semi-finished middle rail away from the lower stop point lower module 123 and into the corresponding workpiece conveying station. The automatic material bridge 16 moves to transfer the semi-finished middle rail to the next processing step.

[0053] Twelfth step: Punch the side hook. The controller 15 controls the automatic material bridge 16 to reset its movement and controls the side hook processing component 13 to move. Its side hook processing and pushing member 131 moves to push the semi-finished middle rail into the side hook lower module 133 for clamping and positioning. The upper die punch group 132 of the side hook moves, and the side hook punch of the upper die punch group 132 of the side hook is used to complete punching the side hook. Subsequently, the upper die punch group 132 of the side hook resets, and the side hook workpiece reset and pushing member 134 moves to push the semi-finished middle rail away from the lower side hook lower module 133 and into the corresponding workpiece conveying station. The automatic material bridge 16 moves to transfer the semi-finished middle rail to the next processing step.

[0054] Thirteenth step: Punch the upper stop point. The controller 15 controls the automatic material bridge 16 to reset its movement and controls the upper stop point processing component 14 to move. Its upper stop point processing and pushing member 141 moves to push the semi-finished middle rail into the upper stop point lower module 143 for clamping and positioning. The upper die punch group 142 of the upper stop point moves, and the tearing hook punch of the upper die punch group 142 of the upper stop point is used to complete punching the upper stop point. Subsequently, the upper die punch group 142 of the upper stop point resets, and the upper stop point processing and pushing member 141 resets and moves to push the semi-finished middle rail away from the upper stop point lower module 143 and into the corresponding workpiece conveying station. The automatic material bridge 16 moves to transfer the finished middle rail workpiece to the discharging and positioning station 18; for conveying to the workpiece conveyor belt for the next processing operation.

[0055] In summary, by adopting the present structure for the hidden rail processing machine and the processing method using this machine, the bottleneck of the middle rail in processing the hidden rail can be solved, and the quality stability, mold safety, and continuous processing productivity can be effectively improved. In particular, the production efficiency can be significantly improved. The direct punching and tapping technology can be built in, and multi-process integrated manufacturing and intelligent operation can be realized, effectively replacing the original manufacturing process of the pneumatic layout progressive die full ejection. It is efficient and precise, and can effectively extend the service life.

[0056] The above specific embodiments are only the specific implementation manners with better effects of the present utility model. Any structure that is the same as or equivalent to the hidden rail processing machine of the present utility model and the method using this machine is within the protection scope of the present utility model.

Claims

1. A hidden rail processing machine, comprising a frame (1), a workpiece conveyor belt for conveying a middle rail semi-finished product, and an automatic mold device for processing the middle rail semi-finished product, wherein the automatic mold device is mounted on the frame (1) and its feed end is connected to the workpiece conveyor belt, and is characterized in that: The automatic mold device comprises a punching and stopper mold processing component (2), a head shaping mold processing component (3), a tail shaping mold processing component (4), a first flipping component (5), a buckle edge punching processing component (6), a straight edge sprouting processing component (7), a second flipping component (8), a straight edge punching processing component (9), a buckle edge sprouting processing component (10), a third flipping component (11), a lower stop point processing component (12), a side hook processing component (13), and an upper stop point processing component (14), which are sequentially distributed on a frame (1) from a feeding direction. A controller (15) and an automatic material bridge (16) having a plurality of workpiece conveying stations are provided on the frame (1), and the controller (15) controls the automatic material bridge (16), the punching and stopper mold processing component (2), the head shaping mold processing component (3), the tail shaping mold processing component (4), the first flipping component (5), and the buckle edge punching processing component (6). , a straight edge sprouting processing component (7), a second flipping component (8), a straight edge punching processing component (9), a buckle edge sprouting processing component (10), a third flipping component (11), a lower stop point processing component (12), a side hook processing component (13), and an upper stop point processing component (14) are operated in such a sequence that the workpiece conveying station of each automatic material bridge (16) is reciprocatingly connected between the corresponding upper and lower processing components.

2. The hidden rail processing machine according to claim 1, characterized in that: The punching stop mouth mold processing component (2) comprises a punching stop mouth processing pusher (21), a punching stop mouth upper die punch group (22), a punching stop mouth lower die group (23), and a punching stop mouth workpiece resetting pusher (24); the punching stop mouth processing pusher (21) is installed on one side of the automatic material bridge (16) and its push rod pushes or moves away from the workpiece conveying station; the punching stop mouth lower die group (23) is installed on the other side of the automatic material bridge (16) corresponding to the punching stop mouth processing pusher (21); The upper die punch group (22) is arranged above the stop mouth lower die group (23) and its stop mouth punch is extended and retracted up and down toward the stop mouth lower die group (23); the stop mouth workpiece reset pusher (24) is installed on one side of the stop mouth lower die group (23) and its push rod pushes toward or away from the workpiece conveying station; the controller (15) is respectively connected to the stop mouth processing pusher (21), the stop mouth upper die punch group (22) and the stop mouth workpiece reset pusher (24) and controls their operation sequence; The head shaping die processing component (3) comprises a head pusher (31), a head shaping chamfering upper die punch group (32), and a head shaping chamfering lower die group (33); the head pusher (31) is mounted on one side of the automatic material bridge (16) and its push rod pushes or moves in the direction of the workpiece conveying station respectively; the head shaping chamfering lower die group (33) is mounted on the other side of the automatic material bridge (16) corresponding to the head pusher (31); the head shaping chamfering upper die punch group (32) is arranged above the head shaping chamfering lower die group (33) and its chamfering punch extends up and down in the direction of the head shaping chamfering lower die group (33); the controller (15) is respectively connected to the head pusher (31) and the head shaping chamfering upper die punch group (32) and controls their operation sequence; The tail shaping die processing component (4) comprises a tail pushing member (41), a tail shaping upper die punch group (42), a tail shaping lower die group (43), and a tail shaping resetting pushing member (44); the tail pushing member (41) is installed on one side of the automatic material bridge (16) and its pushing rod pushes or moves away from the workpiece conveying station; the tail shaping lower die group (43) is installed on the other side of the automatic material bridge (16) corresponding to the tail pushing member (41); The tail shaping upper die punch group (42) is installed above the tail shaping lower die group (43) and its tail shaping clamping block pushes up and down, the tail shaping reset pusher (44) is installed on one side of the tail shaping lower die group (43) and its push rod pushes toward or away from the workpiece conveying station, and the controller (15) is respectively connected to the tail pusher (41), the tail shaping upper die punch group (42), and the tail shaping reset pusher (44) and controls their operating sequence.

3. The hidden rail processing machine according to claim 1, characterized in that: The buckle edge punching processing component (6) comprises a buckle edge punching pusher (61), a buckle edge punching upper die punch group (62), a buckle edge punching lower die group (63), and a buckle edge punching reset pusher (64); the straight edge sprouting processing component (7) comprises a straight edge sprouting pusher (71), a straight edge sprouting upper die needle group (72), a straight edge sprouting lower die group (73), and a straight edge sprouting reset pusher (74); one side of the automatic material bridge (16) is equipped with an adapter for the buckle edge punching pusher The position adjustment sliding block assembly is used for installing the moving member (61) and the straight edge sprout pushing member (71), the pushing rods of the buckle edge punching pushing member (61) and the straight edge sprout pushing member (71) are pushed toward or away from the workpiece conveying station respectively, the buckle edge punching lower die set (63) and the straight edge sprouting lower die set (73) are respectively installed on the other side of the automatic material bridge (16) corresponding to the buckle edge punching pushing member (61) and the straight edge sprouting pushing member (71), and the buckle edge punching upper die set is The head group (62) and the straight-edge sprout upper die needle extraction group (72) are respectively located above the buckle edge punching lower die group (63) and the straight-edge sprouting lower die group (73), and the buckle edge punching punch of the buckle edge punching upper die punch group (62) is telescoped up and down toward the buckle edge punching lower die group (63), and the extraction needle of the straight-edge sprout upper die needle extraction group (72) is telescoped up and down toward the straight-edge sprouting lower die group (73), and the buckle edge punching reset pusher (64) and the straight-edge sprouting reset pusher (74) are respectively The controller (15) is installed on one side of the buckle edge punching lower die set (63) and the straight edge sprouting lower die set (73) and their push rods push toward or away from the workpiece conveying station respectively. The controller (15) is respectively connected to the buckle edge punching pusher (61), the buckle edge punching upper die punch set (62), the buckle edge punching reset pusher (64), the straight edge sprouting pusher (71), the straight edge sprouting upper die needle set (72), and the straight edge sprouting reset pusher (74) and controls their operation sequence.

4. The hidden rail processing machine according to claim 1, characterized in that: The straight edge punching processing component (9) comprises a straight edge punching pusher (91), a straight edge punching upper die punch group (92), a straight edge punching lower die group (93), and a straight edge punching reset pusher (94); the buckle edge sprouting processing component (10) comprises a buckle edge sprouting pusher (101), a buckle edge sprouting upper die needle group (102), a buckle edge sprouting lower die group (103), and a buckle edge sprouting reset pusher (104); one side of the automatic material bridge (16) is equipped with a straight edge punching The position adjustment sliding block assembly is used to install the push member (91) and the buckle edge sprout push member (101), and the push rods of the straight edge punch push member (91) and the buckle edge sprout push member (101) respectively push toward or away from the workpiece conveying station, and the straight edge punch lower die set (93) and the buckle edge sprout lower die set (103) are respectively installed on the other side of the automatic material bridge (16) corresponding to the straight edge punch push member (91) and the buckle edge sprout push member (101), and the straight edge punch upper die set The head group (92) and the buckle edge sprout upper die needle extraction group (102) are respectively located above the straight edge punching lower die group (93) and the buckle edge sprout lower die group (103), and the straight edge punching punch of the straight edge punching upper die punch group (92) is telescoped up and down toward the straight edge punching lower die group (93), and the extraction needle of the buckle edge sprout upper die needle extraction group (102) is telescoped up and down toward the buckle edge sprout lower die group (103), and the straight edge punching reset pusher (94) and the buckle edge sprout reset pusher (104) are respectively They are respectively installed on one side of the straight edge punching lower die set (93) and the buckle edge sprouting lower die set (103), and their push rods push toward or away from the workpiece conveying station respectively. The controller (15) is respectively connected to the straight edge punching pusher (91), the straight edge punching upper die punch set (92), the straight edge punching reset pusher (94), the buckle edge sprouting pusher (101), the buckle edge sprouting upper die needle set (102), and the buckle edge sprouting reset pusher (104) and controls their operating sequence.

5. The hidden rail processing machine according to claim 2, characterized in that: The lower stop point processing component (12) comprises a lower stop point processing pusher (121), a lower stop point upper die punch group (122), a lower stop point lower die group (123), and a lower stop point workpiece resetting pusher (124); the lower stop point processing pusher (121) is installed on one side of the automatic material bridge (16) and its push rod pushes or moves away from the workpiece conveying station; the lower stop point lower die group (123) is installed on the other side of the automatic material bridge (16) corresponding to the lower stop point processing pusher (121); The upper die punch group (22) is arranged above the lower stop point lower die group (123) and its lower stop point punch is extended and retracted upward and downward toward the lower stop point lower die group (123); the lower stop point workpiece reset pusher (124) is installed on one side of the lower stop point lower die group (123) and its push rod is pushed toward or away from the workpiece conveying station; the controller (15) is respectively connected to the lower stop point processing pusher (121), the lower stop point upper die punch group (122) and the lower stop point workpiece reset pusher (124) and controls their operation sequence; The side hook processing component (13) comprises a side hook processing pusher (131), a side hook upper die punch assembly (132), a side hook lower die assembly (133), and a side hook workpiece resetting pusher (134); the side hook processing pusher (131) is installed on one side of the automatic material bridge (16) and its push rod pushes or moves away from the workpiece conveying station; the side hook lower die assembly (133) is installed on the other side of the automatic material bridge (16) corresponding to the side hook processing pusher (131); The upper die punch group (132) is arranged above the side hook lower die group (133) and its side hook punch is extended and retracted up and down toward the side hook lower die group (133); the side hook workpiece reset pusher (134) is installed on one side of the side hook lower die group (133) and its push rod is pushed toward or away from the workpiece conveying station; the controller (15) is respectively connected to the side hook processing pusher (131), the side hook upper die punch group (132) and the side hook workpiece reset pusher (134) and controls their operation sequence; The upper stop point processing component (14) comprises an upper stop point processing pusher (141), an upper stop point upper die punch group (142), and an upper stop point lower die group (143); the upper stop point processing pusher (141) is installed on one side of the automatic material bridge (16) and its push rod pushes or moves in the direction of the workpiece conveying station; the upper stop point lower die group (143) is installed on the other side of the automatic material bridge (16) corresponding to the upper stop point processing pusher (141); the upper stop point upper die punch group (142) is arranged above the upper stop point lower die group (143) and its upper stop point punch extends up and down toward the upper stop point lower die group (143); the controller (15) is respectively connected to the upper stop point processing pusher (141) and the upper stop point upper die punch group (142) and controls their operation sequence.

6. The hidden rail processing machine according to claim 1, characterized in that: The first flipping component (5) comprises a first positioning pusher (51) that can be extended forward and backward and a first rotation driving source (52) that can rotate the middle rail semi-finished component by 90 degrees, the first positioning pusher (51) is respectively installed on the left and right sides of the automatic material bridge (16) and its push block is connected to the first rotation driving source (52), and the output end of the first rotation driving source (52) is connected to the middle rail semi-finished component; The second flipping component (8) comprises a second positioning pusher (81) that can be extended forward and backward and a second rotation driving source (82) that can rotate the middle rail semi-finished component 180 degrees, the second positioning pusher (81) is respectively installed on the left and right sides of the automatic material bridge (16) and drives the second rotation driving source (82), and the output end of the second rotation driving source (82) is connected to the middle rail semi-finished component; The third flipping component (11) comprises a third positioning pusher (111) that can be extended forward and backward and a third rotation driving source (112) that can rotate the middle rail semi-finished component by 180 degrees. The third positioning pusher (111) is respectively installed on the left and right sides of the automatic material bridge (16) and pushes the third rotation driving source (112). The output end of the third rotation driving source (112) is connected to the middle rail semi-finished component.

7. The hidden rail processing machine according to claim 1, characterized in that: The automatic material bridge (16) comprises a material bridge conveyor belt (161) having a plurality of feeding stations (162), a material bridge conveying driving source (163) for driving the material bridge conveyor belt (161) to rotate back and forth, and a material bridge lifting driving source (164) for driving the material bridge conveyor belt (161) to move up and down, the material bridge lifting driving source is installed on the frame (1), the material bridge conveying driving source (163) is installed at the lifting end of the material bridge lifting driving source, and the output end of the material bridge conveying driving source (163) is connected to the material bridge conveyor belt (161); the controller (15) is connected to the material bridge conveying driving source (163) and the material bridge lifting driving source (164) and controls the order in which they operate.

8. The hidden rail processing machine according to claim 7, characterized in that: The frame (1) is provided with a feed positioning station (17) and a discharge positioning station (18) which are connected to the feed end and the discharge end of the material bridge conveyor belt (161) respectively, and the feed positioning station (17) and the discharge positioning station (18) are respectively connected to the workpiece conveyor belt.

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