CN216882585U - Automatic buckle coiled pipe mechanism - Google Patents

Abstract

The utility model relates to the technical field of coiled pipe machining, in particular to an automatic coiled pipe buckling mechanism which comprises a fixed frame and an installation plate arranged on one side of the fixed frame, wherein a machining table is arranged at the top of the fixed frame, a machining station is arranged on the machining table, a material rack for stacking coiled pipes is arranged on one side of the machining station, a first driving mechanism and a second driving mechanism are sequentially arranged on the installation plate, a material shifting rod is arranged on the first driving mechanism, a pushing block is arranged on the second driving mechanism, and the second driving mechanism is used for synchronously driving the pushing block to insert and take the coiled pipes on the machining station to be limited on the machining station when the first driving mechanism drives the material shifting rod to push the coiled pipes in the material rack to the machining station.

Description

Automatic buckle coiled pipe mechanism

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of coiled pipe machining, in particular to an automatic coiled pipe buckling mechanism.

[ background of the utility model ]

The existing coiled pipe production equipment generally needs to use a plurality of processing equipment when the coiled pipe is extruded and fastened, has relatively large volume and relatively complex running parts, and has the problem of low efficiency when the coiled pipe is produced.

[ Utility model ] content

The utility model aims to solve the technical problem of overcoming the defects of the prior art and provides an automatic coil pipe buckling mechanism which solves the problems of large volume and low production efficiency of the conventional coil pipe assembling equipment.

In order to solve the technical problems, the utility model adopts the following technical scheme: an automatic buckling coiled pipe mechanism comprises a fixed frame and a mounting plate arranged on one side of the fixed frame, wherein the top of the fixed frame is provided with a processing table, the processing table is provided with a processing station, one side of the processing station is provided with a material rack for stacking the coiled pipes, the mounting plate is sequentially provided with a first driving mechanism and a second driving mechanism, the first driving mechanism is provided with a material poking rod, the second driving mechanism is provided with a pushing block and is used for synchronously driving the pushing block to insert and limit the coiled pipe on the processing position when the first driving mechanism drives the material poking rod to push the coiled pipe in the material rack to the processing position, so that the coiled pipe pushed by the material poking rod is in extrusion fit with the coiled pipe on the processing position to complete the connection of the coiled pipe, when the first driving mechanism drives the material pushing rod to reset, the second driving mechanism synchronously drives the pushing block to push the coiled pipe on the machining position to the direction far away from the machining position.

In the automatic serpentine pipe buckling mechanism, a rectangular hole is formed in the bottom of the machining table, the first driving mechanism drives the material poking rod to move along the rectangular hole so as to push a serpentine pipe in the material rack to a machining position, and the second driving mechanism drives the pushing block to move along the rectangular hole so as to push the serpentine pipe on the machining position away from the machining position.

In the automatic coil pipe buckling mechanism, the first driving mechanism and the second driving mechanism are synchronously driven through a synchronous belt, and the synchronous belt is driven through a driver.

In the automatic buckle coiled pipe mechanism of the aforesaid, second actuating mechanism is including running through the second pivot on the mounting panel, the one end of second pivot is located the front end of mounting panel be equipped with the second of hold-in range linkage is from the driving wheel, the other end of second pivot is located be equipped with the second cam between mount and the mounting panel, the outside cover of second cam is equipped with the second cam frame, be equipped with the rectangular channel in the second cam frame, the propelling movement piece sets up on the second cam frame, the second cam is rectangular channel internal rotation and is rectangular motion and then drive propelling movement piece entering processing position with drive second cam frame to remove to keeping away from processing position direction along the rectangular channel.

In the above-mentioned automatic buckle coiled pipe mechanism, first actuating mechanism is including running through first pivot on the mounting panel, the one end of first pivot be located the mounting panel the front end be equipped with the synchronous drive linkage first from the driving wheel, the other end of first pivot is located be equipped with first cam between mount and the mounting panel, the outside cover of first cam is equipped with first cam frame, be equipped with the rectangular channel in the first cam frame, the setting of dialling the material pole is on first cam frame, first pivot drives first cam and rotates and is the rectangle motion with first cam frame of drive and then drive the setting pole and pass the rectangular hole with coiled pipe propelling movement to processing position in the work or material rest.

In the above-mentioned automatic buckle coiled pipe mechanism, be formed with the spacing groove of injecing first cam frame vertical direction moving range between mount and the mounting panel, still set up horizontal frame between first cam frame and the mounting panel, first cam frame sets up in horizontal frame one side and can follow horizontal frame and reciprocate, the mounting panel horizontal direction is equipped with the spout, horizontal frame opposite side be equipped with spout complex slider so that horizontal frame can follow mounting panel horizontal slip.

The serpentine pipe generally has plug and slot of mutually supporting at both ends, is equipped with wedge complex face between socket and the slot, when buckle and draw-in groove mutual extrusion fit, just can accomplish the connection between two serpentine pipes and fix.

The utility model has the beneficial effects that:

in the utility model, when the material pushing rod of the first driving mechanism is used for pushing the coiled pipe in the material rack to enter the processing position, the second driving mechanism synchronously moves and drives the material pushing rod to enter the processing position, so that the coiled pipe pushed by the second driving mechanism passes through the processing position and is in extrusion contact with the coiled pipe on the processing position, the coiled pipes are buckled with each other, the assembly of the coiled pipes is completed, meanwhile, after the second driving mechanism is reset, the material pushing rod is synchronously driven to push the coiled pipe on the processing position to the direction away from the processing position, the camera pipe pushed by the material pushing rod enters the processing position, and when the first driving mechanism drives the material pushing rod to push the coiled pipe in the material rack again, the second driving mechanism acts again to fix the coiled pipe on the processing position, so that the connection combination among a plurality of coiled pipes is completed in a reciprocating way, the equipment structure of the utility model is simpler, the equipment has fewer components and the serpentine tube is assembled more efficiently.

According to the further scheme, a rectangular hole is formed in the bottom of the machining table, the first driving mechanism drives the material poking rod to move along the rectangular hole so as to push the coiled tubes in the material rack to the machining position, and the second driving mechanism drives the pushing block to move along the rectangular hole so as to push the coiled tubes on the machining position away from the machining position. The material poking rod and the pushing block of the rectangular hole penetrate through the rectangular hole to enter the upper end of the machining table so as to push or insert and fix the coiled pipe on the machining table.

In a further scheme, the first driving mechanism and the second driving mechanism are synchronously driven through a synchronous belt, and the synchronous belt is driven through a driver. The synchronous belt drives the first driving mechanism and the second driving mechanism to move, the first driving mechanism and the second driving mechanism do not need to use independent drivers, the cost is saved, meanwhile, synchronous action can be stabilized between the first driving mechanism and the second driving mechanism, and the stability is higher.

A further scheme, second actuating mechanism is including running through the second pivot on the mounting panel, the one end of second pivot is located the front end of mounting panel be equipped with the second of hold-in range linkage is from the driving wheel, the other end of second pivot is located be equipped with the second cam between mount and the mounting panel, the outside cover of second cam is equipped with the second cam frame, be equipped with the rectangular channel in the second cam frame, the propelling movement piece sets up on the second cam frame, the second cam is rectangular channel internal rotation and is rectangular motion and then drive propelling movement piece entering processing position with drive second cam frame to remove to keeping away from processing position direction along the rectangular hole. The synchronous belt meshing second is followed the rotation of driving wheel and is advanced and drive the second cam rotation of second pivot tip, conflict in the rectangular channel in the second cam frame when the second cam is rotatory, and then utilize the curved terminal surface extrusion second cam frame of cam to be the rectangular motion, and then be convenient for the propelling movement piece on the second cam frame passes the rectangular hole and enters into the processing bench and move with the propelling movement coiled pipe in order to the propelling movement bench end, simultaneously after the propelling movement of coiled pipe is accomplished, the second cam frame can drive the propelling movement piece and descend to the rectangular hole lower extreme, avoid the propelling movement piece to be in the processing bench all the time and influence the removal of coiled pipe on the processing bench.

A further scheme, first actuating mechanism is including running through first pivot on the mounting panel, the one end of first pivot be located the mounting panel the front end be equipped with the first follow driving wheel of synchronous drive linkage, the other end of first pivot is located be equipped with first cam between mount and the mounting panel, the outside cover of first cam is equipped with first cam frame, be equipped with the rectangular channel in the first cam frame, the setting of setting aside the material pole on first cam frame, first pivot drives first cam and rotates and be the rectangular motion with first cam frame of drive and then drive the setting pole and pass the rectangular hole with will serpentine pipe propelling movement to processing position in the work or material rest. When the first rotating shaft rotates, the first cam is driven to rotate in the first cam frame, the first cam is utilized to extrude the first cam frame to move in a rectangular mode between the fixing plate and the mounting plate, and the first cam frame moves to drive the material shifting rod to push the coiled tubes in the material rack.

Further scheme, be formed with the spacing groove of injecing first cam frame vertical direction displacement range between mount and the mounting panel, still set up horizontal frame between first cam frame and the mounting panel, first cam frame sets up in horizontal frame one side and can follow horizontal frame and reciprocate, the mounting panel horizontal direction is equipped with the spout, horizontal frame opposite side be equipped with spout complex slider so that horizontal frame can follow mounting panel horizontal slip. In order to improve the stability of the first cam frame in rectangular motion under the driving of the first cam, the first cam frame is horizontally connected with the mounting plate through the transverse frame, so that the first cam frame can horizontally and stably slide, and is limited by the limiting groove when moving up and down, and then the running track of the first cam frame is accurately limited.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The utility model is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 2 according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of an embodiment of the present invention;

FIG. 5 is a diagram of the movement track of the material poking rod and the pushing block in the embodiment of the utility model.

Reference numerals:

100 mounting plates, 180 machine shells, 181, fixing frames and 1810 limit grooves;

200, a first cam frame, 211, a transverse frame, 210, a first cam, 220 material shifting rods, a material shifting end 2201, a material shifting end, 221 sliding grooves, 222 locking blocks, 223 floating joints and 230 lifting cylinders;

300 second cam frame, 301 second cam, 310 pushing block, 3101 pushing projection, 311 switching rod and 312 bearing;

500 processing table, 510 material frame, 5001 rectangular hole;

600 drivers, 601 driving wheels, 610 synchronous belts, 620 second rotating shafts, 621 second driven wheels, 630 first rotating shafts and 631 first driven wheels.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The serpentine pipe generally has plug and slot of mutually supporting at both ends, is equipped with wedge complex face between socket and the slot, when buckle and draw-in groove mutual extrusion fit, just can accomplish the connection between two serpentine pipes and fix.

Referring to fig. 1 and 3, an automatic serpentine pipe fastening mechanism provided in an embodiment of the present invention includes a housing 180, a fixing frame 181 disposed on one side of the interior of the housing 180, a base disposed at the bottom of the fixing frame 181, a mounting plate 100 disposed on the base and disposed on a side of the fixing frame 181, a processing table 500 disposed at the top of the housing 180 and disposed at an upper end of the processing table 500, a rack 510 vertically disposed at an upper end of the processing table 500, serpentine pipes stacked in the rack 510, a receiving plate disposed at an end of the processing table 500 away from the rack 510, a rectangular hole 5001 disposed at the bottom of the processing table 500 and communicating with the interior of the housing 180, a first driving mechanism, a second driving mechanism and a driver 600 disposed on a side of the mounting plate 100 away from the fixing frame 181, a first driven wheel 631 disposed on the first driving mechanism, a second driven wheel 621 disposed on the second driving mechanism, a driving wheel 601 disposed at an output end of the driver 600, and a first driven wheel 631 disposed on a side of the driving wheel 631, The second driven pulley 621 and the driving pulley 601 are coupled by a timing belt 610, and the first driving mechanism and the second driving mechanism are respectively disposed on both sides of the upper end of the mounting plate 100 (for convenience of understanding, the direction in which the fixing plate is far away from the mounting bracket is taken as a front end).

In this embodiment, the processing table 500 includes a bottom plate, side plates are provided on the upper end of the bottom plate on the front and rear sides thereof, the rectangular hole 5001 is provided on the bottom plate, a passage moving through the serpentine tube is formed between the two side plates, a processing position is formed in the middle of the passage, the width of the processing position is smaller than that of the serpentine tube, and the serpentine tube is prevented from falling into the rectangular hole 5001 when moving in the passage.

In this embodiment, referring to fig. 3 and 4, the first driving mechanism includes a first rotating shaft 630 penetrating through one side of the upper end of the mounting plate 100, the mounting plate 100 is provided with a through hole corresponding to the first rotating shaft 630 to accommodate the first rotating shaft 630, one end of the first rotating shaft 630 extends to the front end of the mounting plate 100 and is provided with a first driven wheel 631, the other end of the first rotating shaft 630 extends to the rear end of the mounting plate 100 and is connected with a first cam 210, the first cam 210 is externally sleeved with a first cam frame 200, the first cam frame 200 is located in a limiting groove 1810 formed between the mounting plate 100 and the fixing frame 181 to prevent the first rotating shaft 630 from axially displacing in the first rotating shaft 630 when the first cam 210 is driven to rotate, a rectangular groove is formed inside the first cam frame 200, the first cam 210 is correspondingly arranged in the rectangular groove, a material-shifting rod 220 is arranged on the rear end surface of the first cam frame 200 in a direction close to the first driving mechanism, when the driver 600 drives the first driven wheel 631 to rotate through the synchronous belt 610, the first rotating shaft 630 rotates in the through hole and drives the first cam 210 to rotate, the first cam 210 extrudes the first cam frame 200 to drive the material poking rod 220 to make a rectangular motion, so that the material poking rod 220 can abut against the coiled pipe on the material rack 510 after passing through the rectangular hole 5001, and the coiled pipe is pushed out of the material rack 510 to the processing station.

Preferably, the upper end of the material poking rod 220 is provided with a material poking end 2201, and the material poking rod 220 pushes the coiled pipe in the material rack 510 through the material poking end 2201.

In this embodiment, the second driving mechanism includes a second rotating shaft 620 penetrating through the mounting plate 100, one end of the second rotating shaft 620 is located at the front end of the mounting plate 100 and is provided with a second driven wheel 621 linked with the synchronous belt 610, the other end of the second rotating shaft 620 is located between the fixing frame 181 and the mounting plate 100 and is provided with a second cam 301, the second cam 301 is externally sleeved with a second cam frame 300, the rear end surface of the second cam frame 300 is provided with a pushing block 310 in a direction close to the first cam frame 200, a rectangular groove is arranged in the second cam frame 300, when the second rotating shaft 620 is driven by the second driven wheel 621 to rotate, the second rotating shaft 620 drives the second cam 301 to rotate in the second cam frame 300, so as to drive the pushing block 310 on the second cam frame 300 to make a rectangular motion, and push the serpentine pipe on the processing position to the material receiving plate by using the material shifting rod 220.

It should be noted that the material poking rod 220 and the pushing block 310 are respectively arranged on two sides of the processing station.

Based on the above embodiment, referring to fig. 3, the upper end of the pushing block 310 is formed with four pushing protrusions 3101, and a section for accommodating the serpentine tube is formed between the four pushing protrusions 3101 so as to limit the serpentine tube.

Based on the above embodiment, according to the working principle of the embodiment of the present invention, an induction sensor may be disposed on the processing table 500, and is used to detect whether there is a serpentine tube in the material holder 510, and then when there is a serpentine tube in the material holder 510, send a signal to the controller, and automatically start the motor to rotate through the controller, so as to start the apparatus, when the motor is started, the synchronous belt 610 drives the first driven wheel 631 and the second driven wheel 621 to rotate on the mounting plate 100, and when the first driven wheel 631 rotates and drives the first cam 210 to rotate in the first cam frame 200, so as to drive the material-shifting rod 220 on the first cam frame 200 to make a rectangular motion, and meanwhile, the synchronous belt 610 also drives the pushing block 310 on the second cam frame 300 to make a rectangular motion through the second driven wheel 621, and the following description is made on the states of the material-shifting rod 220 and the pushing block 310 when pushing a serpentine tube:

the first stage is as follows: (initially, referring to fig. 1-1 of fig. 5, the material pulling end 2201 is at d, and the pushing projection 3101 is at c 1). during the movement of the material pulling end 2201 from d to a, the material pulling end 2201 pushes the coiled pipe in the material rack 510 out and towards the processing station, and at the same time, the pushing projection 3101 moves from c1 to d1, the pushing projection 3101 protrudes from the rectangular groove of the processing station, (abuts against the coiled pipe after protruding, and limits the coiled pipe at the processing station), and then the pushed coiled pipe is in compression fastening with the coiled pipe at the processing station, so that the coiled pipe installation is completed, wherein the material pulling end 2201 is at a, and the pushing projection 3101 is at d1, referring to fig. 1-2 of fig. 5.

And a second stage: the drive continues to move the timing belt 220 down from a to b and 310 pushes the serpentine from d1 to a1 to push the serpentine away from the processing station, see fig. 5 1-3. In the third stage, 220 moves from point b to point c, and the pushing projection 3101 and the toothed plate a1 move to point b1 (at the time when the pushing projection 3101 and the material poking end 2201 are both at the lower end of the processing table), see 1-4 in fig. 5.

In the fourth stage, the material poking end 2201 moves from c to d, the pushing projection 3101 moves from b1 to c1, and the initial state is entered, referring to fig. 1-1, wherein the material poking end 2201 is positioned at the upper end of the processing table and positioned at the right side of the material rack, and 3301 is positioned at the lower end of the processing table, and the first stage, the second stage, the third stage and the fourth stage are repeated, so that the material rack material is pushed and processed continuously.

Based on the above embodiment, preferably, referring to fig. 1 and 2, in order to conveniently and accurately control the production length of the serpentine tube, a sliding groove 221 is formed in the vertical direction of the material pulling rod 220, a locking block 222 connected to the first cam frame 200 is slidably disposed in the material pulling rod, the locking block 222 limits the material pulling rod 220 to the side surface of the first cam frame 200, a lifting cylinder 230 is disposed on the first cam frame 200 at the lower end of the material pulling rod 220, the lifting cylinder 230 is used to adjust the protruding length of the material pulling rod 220 at the upper end of the first cam frame 200, so that when the production length of the serpentine tube needs to be controlled, the material pulling rod 220 can be driven by the lifting cylinder 230 to descend, and thus when the first cam frame 200 moves in a rectangular shape, because the length of the material pulling rod 220 at the upper end of the first cam frame 200 is shortened, the material pulling rod 220 does not contact with the serpentine tube in the material rack 510, and the material pulling rod 220 is prevented from pushing the serpentine tube in the rack 510 to the processing position, realize the production length of accurate control coiled pipe, simultaneously when needs mechanical production coiled pipe, only need through lift cylinder 230 drive dial material pole 220 stretch out in first cam frame 200 can, accomplish under equipment normal operating condition, also can adjust the production length of coiled pipe.

Based on the above embodiment, referring to fig. 4, in order to make the first cam frame 200 move smoothly under the rotation driving of the first cam 210, the transverse frame 211 is additionally arranged between the first cam frame 200 and the mounting plate 100, two protrusions are arranged on two sides of the end surface of the transverse frame 211, which is biased to the first cam frame 200, the first cam frame 200 is correspondingly clamped between the two protrusions, so that the first cam frame 200 can limit the horizontal movement of the first cam frame 200 in the transverse frame 211 through the protrusions and only can move up and down, the mounting plate 100 is provided with the transverse groove 221 biased to the end surface of the transverse frame 211, the corresponding transverse frame 211 is provided with a slider which is matched with the transverse groove 221, the transverse frame 211 is embedded into the transverse groove 221 through the slider, so that the transverse frame 211 can move along the horizontal direction of the mounting plate 100 and cannot move along the vertical direction, a limiting groove 1810 is formed between the fixing frame 181 and the mounting plate 100, the first cam frame 200 and the transverse plate are limited in the limiting groove 1810 without moving radially, thus, when the first rotating shaft 630 drives the first cam 210 to rotate, the first cam frame 200 moves horizontally to move the transverse plate to slide in the transverse slot 221, and moves vertically to move directly on the lateral side of the transverse frame 211, and the vertical movement range is limited by the upper and lower bottom surfaces of the rectangular slot.

Further, the second driving mechanism may further include a transverse plate between the second cam frame 300 and the mounting plate 100 to facilitate the stable sliding of the second cam frame 300 on the side of the mounting plate 100.

While the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims (6)

1. The automatic serpentine pipe buckling mechanism is characterized by comprising a fixing frame and a mounting plate arranged on one side of the fixing frame, wherein a processing table is arranged at the top of the fixing frame, a processing station is arranged on the processing table, a material rack for stacking serpentine pipes is arranged on one side of the processing station, a first driving mechanism and a second driving mechanism are sequentially arranged on the mounting plate, a material shifting rod is arranged on the first driving mechanism, a pushing block is arranged on the second driving mechanism, the second driving mechanism is used for driving the material shifting rod to push the serpentine pipes in the material rack to the processing station by the first driving mechanism, the pushing block is synchronously driven to insert and limit the serpentine pipes on the processing station, the serpentine pipes pushed by the material shifting rod are further in extrusion fit with the serpentine pipes on the processing station to complete the connection of the serpentine pipes, and when the material pushing rod is driven by the first driving mechanism to reset, and the second driving mechanism synchronously drives the pushing block to push the coiled pipe on the machining position to the direction far away from the machining position.

2. The apparatus of claim 1, wherein the bottom of the processing table has a rectangular hole, the first driving mechanism drives the material-shifting rod to move along the rectangular hole to push the coiled pipe in the material rack to the processing position, and the second driving mechanism drives the pushing block to move along the rectangular hole to push the coiled pipe in the processing position away from the processing position.

3. A self-threading serpentine tube mechanism as recited in claim 2, wherein said first drive mechanism and said second drive mechanism are synchronously driven by a timing belt, said timing belt being driven by a drive.

4. The mechanism of claim 3, wherein the second driving mechanism includes a second shaft passing through the mounting plate, a second driven wheel linked with the synchronous belt is disposed at a front end of the mounting plate at one end of the second shaft, a second cam is disposed between the fixing frame and the mounting plate at the other end of the second shaft, a second cam frame is sleeved outside the second cam, a rectangular groove is disposed in the second cam frame, the pushing block is disposed on the second cam frame, and the second cam rotates in the rectangular groove to drive the second cam frame to move in a rectangular manner so as to drive the pushing block to enter the processing position and move in a direction away from the processing position along the rectangular hole.

5. The mechanism of claim 3, wherein the first driving mechanism includes a first rotating shaft passing through the mounting plate, one end of the first rotating shaft is located at the front end of the mounting plate and provided with a first driven wheel linked with the synchronous driving mechanism, the other end of the first rotating shaft is located between the mounting plate and provided with a first cam, the first cam is externally sleeved with a first cam frame, a rectangular groove is arranged in the first cam frame, the material-pulling rod is arranged on the first cam frame, and the first rotating shaft drives the first cam to rotate to drive the first cam frame to make a rectangular motion so as to drive the material-pulling rod to pass through the rectangular hole to push the coils in the rack to the processing position.

6. A mechanism according to claim 5, wherein a limiting groove is formed between the fixing frame and the mounting plate to limit the vertical movement range of the first cam frame, a transverse frame is further provided between the first cam frame and the mounting plate, the first cam frame is provided at one side of the transverse frame and can move up and down along the transverse frame, the mounting plate is provided with a sliding groove in the horizontal direction, and a slider engaged with the sliding groove is provided at the other side of the transverse frame to enable the transverse frame to slide horizontally along the mounting plate.

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