CN213675474U

CN213675474U - Multifunctional rod bending selection sleeve film overheating shrinking machine

Info

Publication number: CN213675474U
Application number: CN202022712712.XU
Authority: CN
Inventors: 吴义明; 吴激保
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-07-13
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a curved mantle overheat shrinker is selected to multi-functional rod, send excellent mechanism, third to send excellent mechanism, mantle mechanism, heating mechanism and detection device including frame, first stick mechanism, second of sending. The second rod feeding mechanism is arranged between the first rod feeding mechanism and the third rod feeding mechanism and used for receiving the rods on the first rod feeding mechanism and conveying the rods to the third rod feeding mechanism. The film covering mechanism is used for covering films on the sticks, and the heating mechanism is used for heating the sticks covered with the films to enable the films to shrink and cling to the surfaces of the sticks. Wherein, detection device establishes on the second send excellent mechanism for detect the degree of curvature of stick, and the second is sent excellent mechanism and third to send and still is equipped with the guide bar between excellent mechanism, and the guide bar is connected with first cylinder, and first cylinder can drive the guide bar and make second send excellent mechanism and third to send excellent mechanism to be in and link up or the off-state, can select unqualified crooked stick automatically, and labour saving and time saving is favorable to raising the efficiency.

Description

Multifunctional rod bending selection sleeve film overheating shrinking machine

Technical Field

The utility model belongs to the technical field of mechanical equipment, concretely relates to curved mantle overheat shrinker is selected to multi-functional rod.

Background

The outer surface of the sticks of the broom, the mop and the like needs to be sleeved with plastic films, so that people can hold the sticks for use, in actual film sleeving processing, a partially bent stick raw material exists, products such as the broom and the mop are inconvenient to use and are not attractive, the sticks need to be manually picked out in front of the film sleeving, the sticks with large bending degree are left, the straight sticks are left to be processed as qualified products for film sleeving, time and labor are wasted when the bent sticks are manually picked out, and efficiency is not improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a curved mantle overheat shrinker is selected to multi-functional rod is provided for rod mantle can be selected crooked rod before the mantle.

In order to solve the problem, the utility model adopts the following technical scheme:

the multifunctional rod bending selection film covering overheating shrinking machine comprises a rack, a first rod feeding mechanism, a second rod feeding mechanism, a third rod feeding mechanism, a film covering mechanism, a heating mechanism and a detection device, wherein the first rod feeding mechanism, the second rod feeding mechanism, the third rod feeding mechanism, the film covering mechanism and the heating mechanism are all fixedly arranged on the rack; the second rod feeding mechanism is arranged between the first rod feeding mechanism and the third rod feeding mechanism and used for receiving the rods on the first rod feeding mechanism and conveying the rods to the third rod feeding mechanism; the detection device is fixed at the lower side of the second rod feeding mechanism, is positioned at one end close to the third rod feeding mechanism and is used for detecting the bending degree of the rod, a guide rod is also arranged between the second rod feeding mechanism and the third rod feeding mechanism, the guide rod is connected with a first air cylinder, the first air cylinder can drive the guide rod to enable the second rod feeding mechanism and the third rod feeding mechanism to be in a connection or disconnection state, and a vibrator for enabling the second rod feeding mechanism to vibrate is arranged beside the second rod feeding mechanism; the film covering mechanism is arranged at the upper end of the third rod feeding mechanism, supporting plates for supporting rods are arranged on two sides of the third rod feeding mechanism, a plurality of positioning grooves are formed in the upper ends of the supporting plates, the lower ends of the supporting plates are connected with second air cylinders, and the second air cylinders drive the supporting plates to move up and down; the heating mechanism is arranged at the tail end of the third rod feeding mechanism in the transmission direction.

As a further improvement of the above technical solution:

the detection device comprises a detection head, a supporting seat and a supporting sheet, wherein the supporting seat is fixed on the rack, the detection head is fixed at the upper end of the supporting sheet, a U-shaped first guide groove is formed in the supporting seat, the first guide groove is arranged in the vertical direction, a through hole is formed in the supporting sheet, the through hole is overlapped with the first guide groove, a bolt penetrates through the through hole, and the bolt is matched with a nut to fix the supporting sheet on the supporting seat. The supporting sheet is fixed at different positions of the first guide groove through the bolts and the nuts, the height of the detecting head can be adjusted, so that the standard value of the bending degree of the stick rod is adjusted, when the bending degree of the stick rod is larger than the standard value, the detecting head can just face to the arc-shaped part of the stick rod, the stick rod is screened out, and otherwise, the stick rod can be input into the third stick feeding mechanism.

The film covering mechanism comprises a sliding rail, a first plate, a second plate, a third plate, a transmission chain and a film feeding device, wherein the first plate, the second plate and the third plate are sequentially arranged on the sliding rail; a plurality of rod pushing devices are arranged on the first plate, a plurality of first guide holes penetrating through two sides of the plate are arranged on the second plate, and a film clamping device is fixed on one side of each first guide hole; the third plate is provided with a plurality of second guide holes penetrating through two sides of the plate, one side of each second guide hole is fixedly provided with a membrane supporting device, and the other side of each second guide hole is provided with a membrane cutting device; the transmission chain is arranged in parallel to the direction of the slide rail, is fixedly connected with the second plate and drives the second plate to move along the slide rail; the film feeding device is arranged beside the third plate and used for conveying the film material into the second guide hole. The inner hole of the film material is opened by the film opening device, the film clamping device clamps the port of the film material, and the second plate drives the film clamping device to enable the film material to be sleeved on the outer surface of the stick.

The film clamping device comprises a parallel pneumatic clamp, a fixed seat, two outer clamping blocks and four inner clamping blocks; the fixed seat is provided with holes penetrating through two surfaces, one surface of the fixed seat is provided with a first sliding groove horizontally arranged, the outer clamping block is arranged on the first sliding groove in a sliding mode, the outer clamping block is provided with semicircular holes, the semicircular holes on two sides are coaxial with the holes of the fixed seat after being spliced, and the outer clamping block on two sides is connected with the parallel pneumatic clamp and drives the outer clamping block on two sides to slide; the other side of the fixing seat is provided with a cross-shaped second chute, the inner clamping block is L-shaped, one end of the inner clamping block is arranged on the second chute in a sliding mode, the other end of the inner clamping block penetrates through the hole of the fixing seat and extends into the semicircular hole of the outer clamping block, the inner clamping block is provided with a roller and a rotating plate, the rotating plate is provided with a second guide groove, the roller can be arranged on the second guide groove in a rolling mode, and the rotating plate can drive the inner clamping block to slide along the second chute. During clamping, the film material is clamped between the outer clamping block and the inner clamping block, and the structure is convenient for clamping the film material.

The membrane supporting device comprises a seat body, an outer magnet, a sleeve, soft hair and an inner magnet; the seat body is provided with a hole, the sleeve is arranged in the hole of the seat body, the outer diameter of the sleeve is smaller than the inner diameter of the hole, an annular gap is formed between the sleeve and the hole, a boss is arranged on one side of the seat body, the outer magnet is annular and is sleeved outside the boss, the inner magnet is sleeved in the sleeve, and the bristles are circumferentially arranged at one end of the inner magnet and extend out of the sleeve. The membrane material passes through by the gap between sleeve and the pedestal to strut the port of membrane material, adopt the fluff contact membrane material internal surface to have certain flexibility, avoid rigid contact to strut the membrane material.

The rod pushing device comprises a third cylinder, a sliding rod, a first spring and a sliding sleeve, the sliding rod is arranged in parallel to the direction of the sliding rod, one end of the sliding rod is fixedly connected with the third cylinder, the sliding sleeve is sleeved outside the other end of the sliding rod, and the first spring is arranged between the sliding sleeve and the third cylinder and sleeved outside the sliding rod. The sliding rod and the sliding sleeve can fixedly support the stick so as to facilitate film covering, the sliding sleeve is compressed when the second plate moves close to the sliding rod, and the sliding sleeve rebounds to the initial position by the first spring after the second plate moves away from the sliding rod.

The film cutter comprises a slice and a fourth cylinder for driving the slice, one end of the slice is fixedly connected with the fourth cylinder, and the other end of the slice is in a shape of an oblique tip. After the film covering is finished, the film material can be cut off at the oblique tip of the slice.

The transmission chain is driven by a servo motor, and the servo motor can drive the transmission chain to rotate forwards and backwards in a forward rotation mode to drive the second plate to move leftwards and rightwards.

The heating mechanism comprises a conveyor belt, a heating chamber and a guiding device, two ends of the heating chamber are provided with openings, and the conveyor belt passes through the heating chamber; the rack is provided with a first rotating shaft for driving the conveying belt, the guiding device comprises a second rotating shaft, a bearing seat, a second spring and a plurality of screw rods, the two ends of the second rotating shaft are rotatably connected onto the bearing seat, the screw rods are fixedly arranged on the rack, two nuts are fixed at the upper ends of the screw rods at intervals, the bearing seat is movably arranged on the screw rods, the second spring is sleeved outside the screw rods and is arranged between the nuts at the bearing seat and the upper ends, and a pair of meshed transmission gears is arranged on the first rotating shaft and the second rotating shaft. The stick can pass through by conveyer belt and second pivot, and the second pivot can sticis the stick of different diameters under the effect of second spring, increases the frictional force of stick and makes the stick derive outside the conveyer belt completely.

The lower end of the guide rod is provided with a waste trough which can be used for collecting the screened bent sticks.

The utility model has the advantages that:

the utility model discloses a curved mantle overheat contraction machine is selected to multi-functional rod, the rod is carried to the second and is sent excellent mechanism to be close to the third and send excellent mechanism one end when, the vibrator takes place the vibration, crooked rod descends at the focus, its crooked arc portion down, when detection device detected this arc portion, first cylinder action makes the guide bar leave initial position, and can not play the guide effect, make the rod can't pass through to the third send excellent mechanism and drop, thereby select crooked rod, the rod that is not selected is straight rod, can spread into in the mantle mechanism, so that going on of rod mantle process, screening mechanism can use manpower sparingly like this, and the work efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the second rod feeding mechanism and the third rod feeding mechanism in fig. 1.

Fig. 3 is a schematic structural diagram of the detection apparatus in fig. 2.

Fig. 4 is a schematic structural diagram of the film covering mechanism in fig. 1.

Fig. 5 is a schematic structural view of the slide rail, the first plate, the second plate and the third plate in fig. 1.

Fig. 6 is a schematic structural view of the support plate of fig. 4.

FIG. 7 is a schematic front view of the film clamp of FIG. 5.

FIG. 8 is a schematic view of the back side of the film clamp of FIG. 5.

Figure 9 is an exploded view of the film clamp of figure 5.

Fig. 10 is a schematic structural view of the stent of fig. 5.

Fig. 11 is an enlarged view of the region B in fig. 5.

Fig. 12 is a schematic view showing the structure of the third plate and the slit film machine of fig. 5.

Fig. 13 is a schematic structural view of the heating mechanism in fig. 1.

Fig. 14 is an enlarged view of the area a in fig. 1.

Reference numbers in the figures: 1. a frame; 2. a first rod feeding mechanism; 3. a second rod feeding mechanism; 4. a third rod feeding mechanism; 5. a film covering mechanism; 6. a heating mechanism; 7. a detection device; 71. a probe head; 72. a support sheet; 73. a through hole; 74. a supporting seat; 75. a first guide groove; 8. a vibrator; 9. a waste chute; 10. a guide bar; 11. a first cylinder; 12. a stick; 13. a slide rail; 14. a first plate member; 15. a second plate member; 16. a third plate member; 17. a first guide hole; 18. a second guide hole; 19. a support plate; 20. a second cylinder; 21. positioning a groove; 22. a drive chain; 23. a servo motor; 24. a rod pusher; 241. a third cylinder; 242. a slide bar; 243. a first spring; 244. a sliding sleeve; 25. a film feeding device; 26. a membrane supporting device; 261. a base body; 262. an outer magnet; 263. a sleeve; 264. an inner magnet; 266. softening the wool; 267. a boss; 27. a film clamping device; 271. parallel pneumatic clamps; 272. a fixed seat; 273. an outer clamping block; 274. a first chute; 275. rotating the plate; 276. a roller; 277. a second guide groove; 278. a second chute; 279. an inner clamping block; 28. a film cutter; 281. slicing; 282. a fourth cylinder; 29. a conveyor belt; 30. a heating chamber; 31. a lead-out device; 311. a second rotating shaft; 312. a bearing seat; 313. a second spring; 314. a screw; 32. a first rotating shaft; 33. a transmission gear.

Detailed Description

As shown in fig. 1, fig. 2 and fig. 6, the multifunctional rod bending-selecting film-covering overheat shrinking machine of the present embodiment includes a frame 1, a first rod-feeding mechanism 2, a second rod-feeding mechanism 3, a third rod-feeding mechanism 4, a film-covering mechanism 5, a heating mechanism 6 and a detecting device 7, wherein the first rod-feeding mechanism 2, the second rod-feeding mechanism 3, the third rod-feeding mechanism 4, the film-covering mechanism 5 and the heating mechanism 6 are all fixedly mounted on the frame 1; the second rod feeding mechanism 3 is arranged between the first rod feeding mechanism 2 and the third rod feeding mechanism 4, and is used for receiving the rods on the first rod feeding mechanism 2 and conveying the rods to the third rod feeding mechanism 4; the detection device 7 is fixed at the lower side of the second rod feeding mechanism 3, is positioned at one end close to the third rod feeding mechanism 4 and is used for detecting the bending degree of the rod, a guide rod 10 is also arranged between the second rod feeding mechanism 3 and the third rod feeding mechanism 4, the guide rod 10 is connected with a first air cylinder 11, the first air cylinder 11 can drive the guide rod 10 to enable the second rod feeding mechanism 3 and the third rod feeding mechanism 4 to be in a connection or disconnection state, and a vibrator 8 for enabling the second rod feeding mechanism 3 to vibrate is arranged at the side of the second rod feeding mechanism 3; the film covering mechanism 5 is arranged at the upper end of the third rod feeding mechanism 4, two sides of the third rod feeding mechanism 4 are provided with supporting plates 19 for supporting rods, the upper end of each supporting plate 19 is provided with a plurality of positioning grooves 21, the lower end of each supporting plate 19 is connected with a second air cylinder 20, and the second air cylinders 20 drive the supporting plates 19 to move up and down; the heating mechanism 6 is arranged at the tail end of the third rod feeding mechanism 4 in the transmission direction. The lower end of the guide rod 10 is provided with a waste chute 9. Generally, the first rod feeding mechanism 2, the second rod feeding mechanism 3 and the third rod feeding mechanism 4 all adopt two parallel chains as conveying belts, and the rod racks are conveyed at the upper ends of the chains. The first rod feeding mechanism 2 and the third rod feeding mechanism 4 are horizontally arranged, the second rod feeding mechanism 3 is arranged in an upward inclined mode from one side of the first rod feeding mechanism 2, a certain height difference is formed between the second rod feeding mechanism 3 and the third rod feeding mechanism 4, and the guide rod 10 is also arranged in an inclined mode. The supporting plate 19 is a soft rubber plate, the positioning groove 21 is a V-shaped groove, the rod can be positioned and supported, and the soft rubber plate can prevent the plate on the film covering mechanism 5 from interfering and being incapable of passing through when moving. The side edges of the first rod feeding mechanism 2 and the second rod feeding mechanism 3 are provided with baffle plates which enable the rods to be level.

As shown in fig. 3, the detecting device 7 includes a detecting head 71, a supporting seat 74 and a supporting plate 72, the supporting seat 74 is fixed on the frame 1, the detecting head 71 is fixed on the upper end of the supporting plate 72, a U-shaped first guiding groove 75 is formed on the supporting seat 74, the first guiding groove 75 is arranged along the vertical direction, a through hole 73 is formed on the supporting plate 72, the through hole 73 is overlapped with the first guiding groove 75, a bolt is inserted through the through hole, and the bolt is matched with a nut to fix the supporting plate 72 on the supporting seat 74. During probing, the probe head 71 faces the curved arc of the stick 12 to identify whether the stick 12 is curved.

As shown in fig. 4 and 5, the film covering mechanism 5 includes a slide rail 13, a first plate 14, a second plate 15, a third plate 16, a transmission chain 22 and a film feeding device 25, wherein the first plate 14, the second plate 15 and the third plate 16 are sequentially arranged on the slide rail 13; a plurality of rod pushing devices 24 are arranged on the first plate 14, a plurality of first guide holes 17 penetrating through two sides of the plate are arranged on the second plate 15, and a film clamping device 27 is fixed on one side of each first guide hole 17; a plurality of second guide holes 18 penetrating through two sides of the third plate 16 are arranged on the third plate, a film supporting device 26 is fixed on one side of each second guide hole 18, and a film cutting device 28 is arranged on the other side; the transmission chain 22 is arranged in parallel to the direction of the slide rail 13, and the transmission chain 22 is fixedly connected with the second plate 15 and drives the second plate 15 to move along the slide rail 13; the film feeding device 25 is provided at the side of the third plate 16 for feeding the film material into the second guide hole 18. The drive chain 22 is driven by a servomotor 23. The first guide hole 17 and the second guide hole 18 are two, the support plate 19 can support two rods simultaneously, and the corresponding film feeding device 25, the rod pushing device 24, the film clamping device 27, the film supporting device 26 and the film cutting device 28 are respectively provided with two, so that the two rods can be sleeved with films simultaneously, and the film sleeving efficiency is improved. Generally, the film feeding device 25 includes a turntable for fixing the film, a motor disposed on the turntable, and a plurality of rollers for guiding the film to the second guide hole 18, wherein the motor drives the turntable to rotate and feed the film.

As shown in fig. 7 to 9, the film clamping device 27 comprises a parallel pneumatic clamp 271, a fixed seat 272, two outer clamping blocks 273 and four inner clamping blocks 279; the fixing seat 272 is provided with holes penetrating through two surfaces, one surface of the fixing seat 272 is provided with a first sliding groove 274 horizontally arranged, the outer clamping block 273 is arranged on the first sliding groove 274 in a sliding manner, the outer clamping block 273 is provided with semicircular holes, the semicircular holes on two sides are coaxial with the holes of the fixing seat 272 after being spliced, and the parallel pneumatic clamp 271 is connected with the outer clamping blocks 273 on two sides and drives the outer clamping blocks 273 on two sides to slide; the other side of the fixed seat 272 is provided with a cross-shaped second sliding groove 278, the inner clamping block 279 is in an L shape, one end of the inner clamping block 279 is slidably arranged on the second sliding groove 278, the other end of the inner clamping block passes through the hole of the fixed seat 272 and extends into the semicircular hole of the outer clamping block 273, the inner clamping block 279 is provided with a roller 276 and a rotating plate 275, the rotating plate 275 is provided with a second guide groove 277, the roller 276 is arranged on the second guide groove 277 in a rolling manner, and the rotating plate 275 can drive the inner clamping block 279 to slide along the second sliding groove 278. The rotating plate 275 is provided with a cylinder at its side for driving it to rotate.

As shown in fig. 10, the membrane supporter 26 includes a seat body 261, an outer magnet 262, a sleeve 263, a soft hair 266, and an inner magnet 264; the seat body 261 is provided with a hole, the sleeve 263 is arranged in the hole of the seat body 261, the outer diameter of the sleeve 263 is smaller than the inner diameter of the hole, an annular gap is formed between the sleeve 263 and the seat body 261, a boss 267 is arranged on one side of the seat body 261, the outer magnet 262 is annular and is sleeved outside the boss 267, the inner magnet 264 is sleeved in the sleeve 263, and the bristles 266 are circumferentially arranged at one end of the inner magnet 264 and extend out of the sleeve 263. Under the action of the inner magnet 264 and the outer magnet 262, the sleeve 263 is suspended in the seat body 261, the membrane material passes through a gap between the sleeve 263 and the seat body 261 and extends out of the other side of the second guide hole 18, so that the port of the membrane material is expanded, and the fluff 266 is adopted to contact the inner surface of the membrane material to have certain flexibility, so that the membrane material is prevented from being broken by rigid contact.

As shown in fig. 11, the rod pushing device 24 includes a third cylinder 241, a sliding rod 242, a first spring 243 and a sliding sleeve 244, the sliding rod 242 is disposed parallel to the direction of the sliding rail 13, one end of the sliding rod 242 is fixedly connected to the third cylinder 241, the sliding sleeve 244 is sleeved outside the other end of the sliding rod 242, and the first spring 243 is disposed between the sliding sleeve 244 and the third cylinder 241 and is sleeved outside the sliding rod 242.

As shown in fig. 12, the film cutter 28 includes a cut piece 281 and a fourth cylinder 282 for driving the cut piece 281, one end of the cut piece 281 is fixedly connected to the fourth cylinder 282, and the other end thereof has a tapered shape.

When the film is coated, the second cylinder 20 is operated, the supporting plate 19 supports the rod, the film clamping device 27 clamps the port of the film material between the outer clamping block 273 and the inner clamping block 279, the servo motor 23 rotates forward to drive the transmission chain 22 to move the second plate 15 to one side of the first plate 14, the film material is sleeved on the outer surface of the rod, the sliding sleeve 244 is pushed by the second plate 15 to move along the sliding rod 242, the third cylinder 241 is operated to push the rod out of the first guide hole 17, the fourth cylinder 282 is operated, the film material is cut off by the slicing piece 281, the second cylinder 20 is operated, the supporting plate 19 descends, and the rod with the film is conveyed out by the third rod conveying mechanism 4. Generally, a film material fixer is arranged between the film supporting device 26 and the film feeding device 25, and comprises an air cylinder and a pressing sheet, wherein the pressing sheet is connected to the air cylinder, the pressing sheet tightly presses the film material on the rack 1, and the film material on one side of the film feeding device 25 is prevented from being pulled when the film is cut, so that the film material is in a tight state.

As shown in fig. 13 and 14, the heating mechanism 6 includes a conveyor belt 29, a heating chamber 30, and a guide-out device 31, the heating chamber 30 is open at both ends, and the conveyor belt 29 passes through the heating chamber 30; the frame 1 is provided with a first rotating shaft 32 for driving the conveyor belt 29, the guiding device 31 comprises a second rotating shaft 311, a bearing block 312, a second spring 313 and a plurality of screw rods 314, two ends of the second rotating shaft 311 are rotatably connected to the bearing block 312, the screw rods 314 are fixedly arranged on the frame 1, two nuts are fixed at intervals at the upper ends of the screw rods 314, the bearing block 312 is movably arranged on the screw rods 314, the second spring 313 is sleeved outside the screw rods 314 and is arranged between the bearing block 312 and the nuts at the upper ends, and a pair of meshed transmission gears 33 are arranged on the first rotating shaft 32 and the second rotating shaft 311. Generally, a steam generator is provided outside the heating chamber 30, and the steam generator is connected to the heating chamber 30 through a pipe and supplies steam into the heating chamber 30.

When heating, the rod conveyed by the third rod-feeding mechanism 4 is conveyed to the heating chamber 30 via the conveyor belt 29 to be heated, and the heat-shrinkable film material is closely attached to the outer surface of the rod. The second shaft 311 is driven by the transmission gear 33 to rotate in the opposite direction to the rotation of the conveyor belt 29, so as to increase the friction force applied to the stick and lead the stick out.

The principle of the multifunctional stick bending selection film covering overheat shrinker of the embodiment is that sticks stacked on the first stick feeding mechanism 2 are conveyed upwards one by the second stick feeding mechanism 3, when the sticks pass through the detection device 7, the bent sticks are detected, so that the first air cylinder 11 acts, the guide rod 10 moves upwards, the second stick feeding mechanism 3 and the third stick feeding mechanism 4 are in a disconnected state, and the sticks are conveyed forwards and fall into the waste tank 9. If the bending degree of the stick does not reach the set standard, the first air cylinder 11 does not act, the stick can be conveyed into the third stick conveying mechanism 4 through the guide rod 10, a film covering process can be carried out, after the film covering is finished, the stick is conveyed into the heating mechanism 6 by the third stick conveying mechanism 4 to be heated and shrunk, and finally the stick is guided out.

Claims

1. The multifunctional stick selects the overheated shrinker of curved mantle, its characterized in that: the automatic film laminating machine comprises a rack, a first rod feeding mechanism, a second rod feeding mechanism, a third rod feeding mechanism, a film sleeving mechanism, a heating mechanism and a detection device, wherein the first rod feeding mechanism, the second rod feeding mechanism, the third rod feeding mechanism, the film sleeving mechanism and the heating mechanism are all fixedly arranged on the rack; the second rod feeding mechanism is arranged between the first rod feeding mechanism and the third rod feeding mechanism and used for receiving the rods on the first rod feeding mechanism and conveying the rods to the third rod feeding mechanism; the detection device is fixed at the lower side of the second rod feeding mechanism, is positioned at one end close to the third rod feeding mechanism and is used for detecting the bending degree of the rod, a guide rod is also arranged between the second rod feeding mechanism and the third rod feeding mechanism, the guide rod is connected with a first air cylinder, the first air cylinder can drive the guide rod to enable the second rod feeding mechanism and the third rod feeding mechanism to be in a connection or disconnection state, and a vibrator for enabling the second rod feeding mechanism to vibrate is arranged beside the second rod feeding mechanism; the film covering mechanism is arranged at the upper end of the third rod feeding mechanism, supporting plates for supporting rods are arranged on two sides of the third rod feeding mechanism, a plurality of positioning grooves are formed in the upper ends of the supporting plates, the lower ends of the supporting plates are connected with second air cylinders, and the second air cylinders drive the supporting plates to move up and down; the heating mechanism is arranged at the tail end of the third rod feeding mechanism in the transmission direction.

2. The multi-functional stick bending selection mantle overheating shrinking machine according to claim 1, characterized in that: the detection device comprises a detection head, a supporting seat and a supporting sheet, wherein the supporting seat is fixed on the rack, the detection head is fixed at the upper end of the supporting sheet, a U-shaped first guide groove is formed in the supporting seat, the first guide groove is arranged in the vertical direction, a through hole is formed in the supporting sheet, the through hole is overlapped with the guide groove, a bolt penetrates through the through hole, and the bolt is matched with a nut to fix the supporting sheet on the supporting seat.

3. The multi-functional stick bending selection mantle overheating shrinking machine according to claim 1, characterized in that: the film covering mechanism comprises a sliding rail, a first plate, a second plate, a third plate, a transmission chain and a film feeding device, wherein the first plate, the second plate and the third plate are sequentially arranged on the sliding rail; a plurality of rod pushing devices are arranged on the first plate, a plurality of first guide holes penetrating through two sides of the plate are arranged on the second plate, and a film clamping device is fixed on one side of each first guide hole; the third plate is provided with a plurality of second guide holes penetrating through two sides of the plate, one side of each second guide hole is fixedly provided with a membrane supporting device, and the other side of each second guide hole is provided with a membrane cutting device; the transmission chain is arranged in parallel to the direction of the slide rail, is fixedly connected with the second plate and drives the second plate to move along the slide rail; the film feeding device is arranged beside the third plate and used for feeding the film material to the second guide hole.

4. The multi-functional stick bending selection mantle overheating shrinking machine according to claim 3, characterized in that: the film clamping device comprises a parallel pneumatic clamp, a fixed seat, two outer clamping blocks and four inner clamping blocks; the fixed seat is provided with holes penetrating through two surfaces, one surface of the fixed seat is provided with a first sliding groove horizontally arranged, the outer clamping block is arranged on the first sliding groove in a sliding mode, the outer clamping block is provided with semicircular holes, the semicircular holes on two sides are coaxial with the holes of the fixed seat after being spliced, and the outer clamping block on two sides is connected with the parallel pneumatic clamp and drives the outer clamping block on two sides to slide; the other side of the fixing seat is provided with a cross-shaped second chute, the inner clamping block is L-shaped, one end of the inner clamping block is arranged on the second chute in a sliding mode, the other end of the inner clamping block penetrates through the hole of the fixing seat and extends into the semicircular hole of the outer clamping block, the inner clamping block is provided with a roller and a rotating plate, the rotating plate is provided with a second guide groove, the roller can be arranged on the second guide groove in a rolling mode, and the rotating plate can drive the inner clamping block to slide along the second chute.

5. The multi-functional stick bending selection mantle overheating shrinking machine according to claim 3, characterized in that: the membrane supporting device comprises a seat body, an outer magnet, a sleeve, soft hair and an inner magnet; the seat body is provided with a hole, the sleeve is arranged in the hole of the seat body, the outer diameter of the sleeve is smaller than the inner diameter of the hole, an annular gap is formed between the sleeve and the hole, a boss is arranged on one side of the seat body, the outer magnet is annular and is sleeved outside the boss, the inner magnet is sleeved in the sleeve, and the bristles are circumferentially arranged at one end of the inner magnet and extend out of the sleeve.

6. The multi-functional stick bending selection mantle overheating shrinking machine according to claim 3, characterized in that: the rod pushing device comprises a third cylinder, a sliding rod, a first spring and a sliding sleeve, the sliding rod is arranged in parallel to the direction of the sliding rod, one end of the sliding rod is fixedly connected with the third cylinder, the sliding sleeve is sleeved outside the other end of the sliding rod, and the first spring is arranged between the sliding sleeve and the third cylinder and sleeved outside the sliding rod.

7. The multi-functional stick bending selection mantle overheating shrinking machine according to claim 3, characterized in that: the film cutter comprises a fourth cylinder for slicing and driving the slicing, one end of the slice is fixedly connected with the fourth cylinder, and the other end of the slice is in an oblique pointed shape.

8. The multi-functional stick bending selection mantle overheating shrinking machine according to claim 3, characterized in that: the transmission chain is driven by a servo motor.

9. The multi-functional stick bending selection mantle overheating shrinking machine according to claim 1, characterized in that: the heating mechanism comprises a conveyor belt, a heating chamber and a guiding device, two ends of the heating chamber are provided with openings, and the conveyor belt passes through the heating chamber; the rack is provided with a first rotating shaft for driving the conveying belt, the guiding device comprises a second rotating shaft, a bearing seat, a second spring and a plurality of screw rods, the two ends of the second rotating shaft are rotatably connected onto the bearing seat, the screw rods are fixedly arranged on the rack, two nuts are fixed at the upper ends of the screw rods at intervals, the bearing seat is movably arranged on the screw rods, the second spring is sleeved outside the screw rods and is arranged between the nuts at the bearing seat and the upper ends, and a pair of meshed transmission gears is arranged on the first rotating shaft and the second rotating shaft.

10. The multi-functional stick bending selection mantle overheating shrinking machine according to claim 1, characterized in that: and a waste material groove is formed at the lower end of the guide rod.