CN217370796U

CN217370796U - Feeding and discharging device and threading equipment capable of feeding and discharging simultaneously

Info

Publication number: CN217370796U
Application number: CN202221012899.5U
Authority: CN
Inventors: 向波; 谢斌; 谭冲; 刘律; 袁继开; 刘涛; 刘迁; 石严; 耿鑫
Original assignee: Wuhan Municipal Construction Group Co Ltd
Current assignee: Wuhan Municipal Construction Group Co Ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-09-06
Anticipated expiration: 2032-04-25

Abstract

The utility model discloses a loading and unloading device, which comprises a feeding frame, a loading part, a supporting part and a conveying part; the feeding frame is obliquely arranged and used for storing strip-shaped materials to be conveyed; the feeding part, the supporting part and the conveying part are all arranged on the lower side of the feeding frame; the feeding parts are provided with a plurality of groups and are arranged at intervals along the length direction of the feeding frame; the supporting pieces and the conveying pieces are arranged at intervals along the length direction of the feeding frame and form a conveying line for strip-shaped materials; the feeding part comprises a feeding cylinder and a material plate, the upper end of a piston rod of the feeding cylinder is connected with the lower part of the material plate, and the feeding cylinder can drive the material plate to lift; the flitch includes the material loading swash plate, and the tip extends to the pay-off frame in the material loading swash plate. The utility model also discloses a car silk equipment of unloading in can simultaneously. The utility model has the advantages that: the utility model discloses can realize going on in step of material loading and unloading, degree of mechanization is high, and machining efficiency is high.

Description

Feeding and discharging device and threading equipment capable of feeding and discharging simultaneously

Technical Field

The utility model relates to a car silk machine technical field, concretely relates to go up unloader and car silk equipment of unloading simultaneously.

Background

The threading machine is a machine tool for forming threads on workpieces by using pressure, does not cut the workpieces, can improve the tightness of the workpieces by the aid of extrusion force on the workpieces, increases strength of the workpieces, is mainly used for thread machining on solid workpieces (such as reinforcing steel bars), and has the advantages of simplicity and convenience in operation, energy conservation, environmental friendliness, high working efficiency and the like.

The feeding system is one of the important components of the threading machine, the feeding system of the existing double-station threading machine intermittently pushes the steel pipes to be processed to the feeding rollers one by one through the push plate, and the deflector rod swings upwards to transfer the processed steel pipes to the output roller, so that the automation of steel pipe feeding and transferring can be realized. However, the feeding system adopts two parts to separately carry out feeding and discharging, has a complex structure and low processing efficiency, and is not suitable for the situation that a lot of steel bar materials need to be processed quickly in a construction site.

Therefore, there is a need for improvements in the prior art.

Disclosure of Invention

An object of the utility model is to provide an efficient and simple structure's last unloader and can go up car silk equipment of unloading simultaneously to prior art's not enough.

The technical scheme of the utility model is that: a loading and unloading device comprises a feeding frame, a loading part, a supporting part and a conveying part; the feeding frame is obliquely arranged and used for storing strip-shaped materials to be conveyed; the feeding part, the supporting part and the conveying part are all arranged on the lower side of the feeding frame; the feeding parts are provided with a plurality of groups and are arranged at intervals along the length direction of the feeding frame; the supporting pieces and the conveying pieces are arranged at intervals along the length direction of the feeding frame and form a conveying line for strip-shaped materials; the feeding part comprises a feeding cylinder and a material plate, the upper end of a piston rod of the feeding cylinder is connected with the lower part of the material plate, and the feeding cylinder can drive the material plate to lift; the flitch comprises a feeding inclined plate, the inner end part of the feeding inclined plate extends to the feeding frame, and when the feeding inclined plate is at a low position, the highest point of the end part is not higher than the lowest point of the feeding frame; the outer end of the feeding inclined plate is tightly adjacent to the conveying line, and the inner end surface of the feeding inclined plate is higher than the upper surface of the outer end.

According to the scheme, the flitch further comprises a blanking inclined plate, and the blanking inclined plate is located below the conveying line; the blanking inclined plate is connected with the feeding inclined plate end to end, and the upper surface of the blanking inclined plate is inclined; one end of the blanking inclined plate, which is close to the feeding inclined plate, is higher than the upper surface of the other end of the blanking inclined plate, and the height of one end of the feeding inclined plate, which is close to the blanking inclined plate, is lower than the height of one end of the blanking inclined plate, which is close to the feeding inclined plate.

According to the scheme, the conveying piece comprises a rotating wheel, a pressing motor and a pressing cylinder, the rotating wheel is rotatably connected to a supporting platform, and the supporting platform is arranged below the side part of the feeding frame; the pressing wheel is positioned right above the rotating wheel, the pressing wheel and the rotating wheel are arranged oppositely, and the strip-shaped material is positioned between the pressing wheel and the rotating wheel; the output end of the compaction motor is connected with a wheel shaft of the compaction wheel to drive the compaction wheel to rotate; the lower end of a piston rod of the pressing cylinder is connected with a pressing motor, and the pressing motor is driven to drive the pressing wheel to be close to or far away from the rotating roller; the compressing cylinder is fixedly connected with the mounting frame, and the mounting frame is connected with the feeding frame.

According to the scheme, the supporting piece comprises a supporting roll, and the supporting roll is rotationally connected to the supporting platform; the roll diameter of the supporting roll is gradually reduced from two ends to the center.

According to the scheme, the feeding frame comprises a railing and a plurality of inclined supporting cross rods, and the supporting cross rods are arranged at the bottom of the railing at intervals along the length direction of the railing; a baffle is arranged at one end of the supporting cross rod, which is far away from the railing, and the strip-shaped material with processing is placed on the supporting cross rod between the railing and the baffle; the feeding part, the supporting part and the conveying part are all located on the outer side of the baffle.

According to the scheme, the length of the side, away from the supporting roller, of the baffle plate of the feeding inclined plate is equal to the width of the strip-shaped material.

The utility model also discloses a threading equipment capable of automatically feeding and discharging, which comprises a frame, a threading mechanism, a clamping mechanism and the feeding and discharging device, wherein the threading mechanism is arranged on the frame, the clamping mechanism is used for clamping strip-shaped materials, the clamping mechanism is fixed between the threading mechanism and the feeding and discharging device, and the clamping center line of the clamping mechanism is collinear with the conveying line; the bar-shaped materials to be processed are conveyed to the clamping mechanism through the conveying piece of the feeding and discharging device.

According to the scheme, the clamping mechanism comprises a clamping seat, a screw rod rotationally connected to the clamping seat, two reverse screw rod nuts matched with the screw rod, clamping plates fixedly connected with the two screw rod nuts respectively, and a clamping motor fixedly connected to the end part of the screw rod; the two clamping plates are arranged oppositely; the driving end of the clamping motor is connected with one end of the screw rod to drive the screw rod to rotate, and the two screw rod nuts move in the same direction or in the opposite direction along the screw rod to drive the two clamping plates to approach or keep away from each other.

According to the scheme, clamping plates are arranged on the clamping plates at intervals, clamping grooves which are sunken inwards are formed in the clamping plates, and clamping teeth are arranged in the clamping grooves along the axis direction of the steel bars; the clamping plates on the two clamping plates are arranged in a staggered manner.

According to the scheme, the latch is of a step-shaped structure.

The beneficial effects of the utility model are that:

1. the utility model discloses compare in the manual operation of going up unloading in traditional job site, degree of mechanization is high, and machining efficiency is high, artifical low in labor strength.

2. The utility model discloses a setting of integrative end to end's mountain material swash plate and unloading swash plate, the flitch upward movement is gone up in the material loading cylinder can drive, when going up flitch upward movement, the material loading swash plate can lift a reinforcing bar on the pay-off frame, and the unloading swash plate can accomplish the reinforcing bar jack-up that is located support piece with processing, after the flitch rises to a take the altitude, treat that the reinforcing bar of processing can move support piece along the material loading swash plate on, meanwhile, the reinforcing bar of processing completion can move the collection workbin of below along the unloading swash plate in, this mode can realize going on in step of material loading and unloading, and the machining efficiency is improved, and manual operation is reduced.

3. The utility model provides a backing roll can play the effect of support and direction, the backing roll rotates and sets up on the pay-off frame, can be when conveying piece conveying reinforcing bar, the backing roll can rotate in step, reduce the movement resistance of reinforcing bar, diameter in the middle of the backing roll can guarantee at minimum that the reinforcing bar can convey along the straight line, can also avoid the reinforcing bar to follow the backing roll landing from the backing roll when the reinforcing bar is conveyed on the backing roll by the material loading swash plate simultaneously, can also play spacing effect.

4. The utility model provides a fixture can support the reinforcing bar fixedly through the draw-in groove on the cardboard when pressing from both sides tight reinforcing bar, and crisscross relative centre gripping can improve frictional force, avoids car silk in-process reinforcing bar to rotate relatively, and the latch of step form can further improve centre gripping frictional force in the draw-in groove.

Drawings

Fig. 1 is a schematic view of the overall structure of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a point a in fig. 1.

Fig. 3 is a schematic left-side view partial structure diagram of the present embodiment.

FIG. 4 is a schematic view of a partial discharge structure in this embodiment.

Fig. 5 is a schematic structural diagram of the clamping mechanism in this embodiment.

Fig. 6 is a partial structural view of the splint in this embodiment.

In the figure, 1, a threading mechanism; 2. a clamping mechanism; 21. a clamping seat; 22. a screw rod; 23. a lead screw nut; 24. a splint; 241. clamping a plate; 242. clamping teeth; 25. clamping the motor; 3. a feeding frame; 31. a baffle plate; 32. a railing; 33. a support rail; 34. a fixed mount; 4. a conveying member; 41. a pressing cylinder; 42. a compacting motor; 43. a pinch roller; 44. a rotating roller; 5. a support roller; 6. feeding parts; 61. a feeding cylinder; 62. feeding plates; 621. a feeding inclined plate; 622. blanking sloping plates; 7. a frame; 8. a material collecting box; 9. a support platform; 10. strip-shaped materials; 11. and (7) mounting frames.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The loading and unloading device shown in fig. 1 to 3 comprises a feeding frame 3, a loading part 6, a supporting part and a conveying part 4; the feeding frame 3 is obliquely arranged and used for storing strip-shaped materials 10 to be conveyed; the feeding part 6, the supporting part and the conveying part 4 are all arranged on the lower side of the feeding frame 3; the feeding pieces 6 are provided with a plurality of groups and are arranged at intervals along the length direction of the feeding frame 3; the supporting parts and the conveying parts 4 are arranged at intervals along the length direction of the feeding frame 3, and the supporting parts and the conveying parts form a conveying line of the strip-shaped materials 10; as shown in fig. 4, the feeding member 6 includes a feeding cylinder 61 and a material plate 62, the upper end of a piston rod of the feeding cylinder 61 is connected to the lower portion of the material plate 62, and the feeding cylinder 61 can drive the material plate 62 to move up and down; the material plate 62 comprises a feeding inclined plate 621, the inner end part of the feeding inclined plate 621 extends to the feeding frame 3, and when the feeding inclined plate 621 is at a low position (i.e. when the feeding inclined plate 621 is not lifted initially), the highest point of the end part is not higher than the lowest point of the feeding frame 3; the outer end part of the feeding inclined plate 621 is close to the conveying line, and the inner end face of the feeding inclined plate 621 is higher than the upper surface of the outer end. In this embodiment, the bar-shaped material 10 is a steel bar; the feeding mechanism has 3 groups, and is arranged at intervals along the length direction of the feeding frame 3.

Preferably, the material plate 62 further comprises a blanking sloping plate 622, and the blanking sloping plate 622 is located below the conveying line (when the blanking sloping plate 622 is in an initial non-lifted state); the blanking inclined plate 622 is connected with the feeding inclined plate 621 end to end, and the upper surface of the blanking inclined plate 622 is inclined; one end of the blanking inclined plate 622 close to the feeding inclined plate 621 is higher than the other end upper surface of the blanking inclined plate 622, and the height of one end of the feeding inclined plate 621 close to the blanking inclined plate 622 is lower than the height of one end of the blanking inclined plate 622 close to the feeding inclined plate 621.

In the utility model, the bar-shaped material 10 to be processed is placed on the inclined feeding frame 3, the material plate 62 is in a low position in an initial state, and the bar-shaped material 10 at the low position side of the feeding frame 3 is positioned above the feeding inclined plate 621; when the feeding cylinder 61 drives the feeding inclined plate 621 and the discharging inclined plate 622 to move upwards to a set height, the discharging inclined plate 622 lifts the processed strip-shaped materials 10 on the conveying line, and the processed strip-shaped materials 10 move to the material collecting box 8 at the side part along the inclined upper surface of the discharging inclined plate 622 under the action of gravity; meanwhile, the feeding inclined plate 621 lifts the strip-shaped materials 10 to be processed at the lower position of the feeding frame 3 above the feeding inclined plate 621, and the strip-shaped materials 10 to be processed move to a conveying line along the inclined surface of the feeding inclined plate 621 and are conveyed forwards through the conveying piece 4.

Preferably, the conveying member 4 comprises a rotating wheel, a pressing wheel 43, a pressing motor 42 and a pressing air cylinder 41, the rotating wheel is rotatably connected to the supporting platform 9, and the supporting platform 9 is arranged below the side part of the feeding frame 3; the pressing wheel 43 is positioned right above the rotating wheel, the pressing wheel and the rotating wheel are arranged oppositely, and the strip-shaped material 10 is positioned between the pressing wheel 43 and the rotating wheel; the output end of the pressing motor 42 is connected with the wheel shaft of the pressing wheel 43 to drive the pressing wheel 43 to rotate; the lower end of a piston rod of the pressing cylinder 41 is connected with a pressing motor 42, and the pressing motor 42 is driven to drive a pressing wheel 43 to be close to or far away from a rotating roller 44; the pressing cylinder 41 is fixedly connected with the mounting frame 11, and the mounting frame 11 is connected with the feeding frame 3.

In the utility model, after the bar-shaped material 10 to be processed is sent to the conveying line, the pressing cylinder 41 drives the pressing motor 42 to drive the pressing wheel 43 to move downwards, and the pressing wheel 43 and the rotating roller 44 below the pressing wheel compress the bar-shaped material 10; the pinch motor 42 then drives the pinch roller 43 to rotate, which moves the strip 10 forward.

Preferably, the support comprises a support roller 5, the support roller 5 being rotatably connected to a support platform 9; the roll diameter of the support roll 5 is gradually reduced from both ends to the center.

The utility model discloses in, backing roll 5 has two sets ofly, and the front end of transfer chain is located to the interval. 5 tip of backing roll can meet with the material loading swash plate 621 tip after the lifting, can follow its inclined surface landing to backing roll 5 after guaranteeing the bar material 10 lifting on the material loading swash plate 621), just the position that 5 roller diameters of backing roll are minimum is located the top of unloading swash plate 622, during unloading swash plate 622 upward movement, can be located the bar material 10 jack-up of processing completion on the backing roll 5 to move to the material collecting tank along the inclined plane of unloading swash plate 622. Backing roll 5 plays the effect of support and direction, and when 4 conveying strip material 10 of conveying piece, backing roll 5 can rotate in step, reduces strip material 10's movement resistance, and the middle part roller footpath of backing roll 5 is minimum, can guarantee that strip material 10 can convey along the straight line, can also avoid the bar to follow backing roll 5 landing when strip material 10 is conveyed on backing roll 5 by material loading swash plate 621 simultaneously, plays spacing effect.

Preferably, the feeding frame 3 comprises a rail 32 and a plurality of inclined supporting cross bars 33, and the plurality of supporting cross bars 33 are arranged at the bottom of the rail 32 at intervals along the length direction of the rail 32; a baffle 31 is arranged at one end of the supporting cross bar 33 far away from the railing 32, and the strip-shaped material 10 with processing is placed on the supporting cross bar 33 between the railing 32 and the baffle 31; the loading member 6, the support member and the transfer member 4 are located outside the baffle 31.

In the utility model, as shown in fig. 3, a fixing frame 34 is arranged below the supporting cross bar 33; the end of the support rail 33 near the railing 32 is higher than the end near the baffle 31; the length of the side, away from the supporting rollers 5, of the feeding inclined plate 621 is equal to the width of the strip-shaped materials 10 (the diameter of the reinforcing steel bars in this embodiment), that is, the distance between the inner end portion (the end close to the feeding frame 3) of the feeding inclined plate 621 and the baffle 31 is equal to the width of the strip-shaped materials 10 (the diameter of the reinforcing steel bars in this embodiment), so as to ensure that the feeding inclined plate 621 only lifts one strip-shaped material 10 at a time.

The threading equipment capable of automatically feeding and discharging shown in fig. 1 and 2 comprises a rack 7, a threading mechanism 1, a clamping mechanism 2 and the feeding and discharging device, wherein the threading mechanism 1 is mounted on the rack 7, the clamping mechanism 2 is used for clamping a strip-shaped material 10, the clamping mechanism 2 is fixed between the threading mechanism 1 and the feeding and discharging device, and a clamping center line of the clamping mechanism 2 is collinear with a conveying line; the strip-shaped material 10 to be processed is conveyed to the clamping mechanism 2 through the conveying member 4 of the loading and unloading device. In this embodiment, the threading mechanism 1 and the frame 7 are both conventional structures, and are not described herein again.

Preferably, the clamping mechanism 2 comprises a clamping base 21, a screw rod 22 rotatably connected to the clamping base 21, two reverse screw nuts 23 adapted to the screw rod 22, clamping plates 24 fixedly connected to the two screw nuts 23, and a clamping motor 25 fixedly connected to an end of the screw rod; the two clamping plates 24 are arranged oppositely; the driving end of the clamping motor 25 is connected with one end of the screw rod 22 to drive the screw rod 22 to rotate, and the two screw rod nuts 23 move in the same direction or in opposite directions along the screw rod to drive the two clamping plates 24 to approach or separate from each other; the strip-shaped material 10 is clamped between the two clamping plates 24, and when the two clamping plates 24 are close to each other, the strip-shaped material 10 is clamped, so that the strip-shaped material 10 can be prevented from rotating when being threaded; when the two clamping plates 24 are far away from each other, the strip-shaped materials 10 can be withdrawn under the action of the conveying piece 4 and sent into the material collecting box 8, so that the discharging is convenient, and the automation degree is high.

As shown in fig. 5 and 6, clamping plates 241 are mounted on the clamping plate 24 at intervals, clamping grooves which are recessed inwards are formed in the clamping plates 241, and clamping teeth 242 are arranged in the clamping grooves along the axis direction of the steel bars; the clamping plates 241 on the two clamping plates 24 are arranged in a staggered manner. Preferably, the latch 242 has a stepped structure. When the reinforcing steel bars are clamped, the clamping grooves on the clamping plates 241 support and fix the reinforcing steel bars, friction force can be improved by staggered and opposite clamping, and the reinforcing steel bars are prevented from rotating relatively in the threading process; the stepped latch 242 can improve the clamping friction.

Preferably, the silk turning equipment is additionally provided with a material collecting box 8, and the discharging box is arranged at the lower part of the outer side of the conveying line; the bottom of the material collecting box 8 is provided with a travelling wheel.

The utility model discloses in, unloader's theory of operation does: the strip-shaped materials 10 to be processed are placed on the inclined feeding frame 3, the material plate 62 is at a low position in an initial state, and the strip-shaped materials 10 on the low position side of the feeding frame 3 are positioned above the feeding inclined plate 621 (limited by the baffle 31); after the feeding cylinder 61 drives the feeding inclined plate 621 and the discharging inclined plate 622 to move upwards to a set height, the discharging inclined plate 622 lifts the processed strip-shaped materials 10 on the conveying line, and the processed strip-shaped materials 10 move to the material collecting box 8 at the side part along the upper surface of the discharging inclined plate 622 under the action of gravity; meanwhile, the feeding inclined plate 621 lifts the strip-shaped material 10 to be processed on the feeding frame 3 above the feeding inclined plate 621, and the strip-shaped material 10 to be processed moves to a conveying line along the inclined surface of the feeding inclined plate 621 and is supported and guided by the supporting roller 5; the pressing cylinder 41 drives the pressing motor 42 to drive the pressing wheel 43 to move downwards, and the pressing wheel 43 and the lower rotating roller 44 press the strip-shaped material 10 tightly; then the pressing motor 42 drives the pressing wheel 43 to rotate, and the supporting roller 5 can synchronously rotate to drive the strip-shaped material 10 to move forwards.

The utility model discloses in, the theory of operation of car silk equipment does: when the strip-shaped materials 10 to be processed are conveyed to the conveying line under the action of the feeding and discharging devices and move forwards to the clamping mechanism 2 and the threading mechanism 1 under the conveying action of the conveying piece 4; the clamping motor 25 drives the screw rod 22 to rotate, the screw rod 22 rotates to drive the two oppositely arranged screw nuts 23 to approach each other, the two clamping plates 24 approach each other to clamp the strip-shaped material 10, and the threading mechanism 1 is started to thread the strip-shaped material 10; after the threading of the strip-shaped material 10 is completed, the clamping motor 25 moves reversely to loosen the processed strip-shaped material 10, and then the transmission part moves reversely to return the processed strip-shaped material 10 until the processed strip-shaped material is completely separated from the clamping mechanism 2; the feeding mechanism of the feeding and discharging device is started again, the discharging inclined plate 622 of the feeding mechanism lifts the processed strip-shaped materials 10 from the conveying line, the processed strip-shaped materials 10 move to the material collecting box 8 on the side part along the upper surface of the discharging inclined plate 622 under the action of gravity, meanwhile, the feeding inclined plate 621 lifts the next strip-shaped materials 10 to be processed on the feeding frame 3 above the feeding inclined plate 621, the strip-shaped materials 10 to be processed move to the conveying line at the discharging inclined plate 622 along the inclined surface of the feeding inclined plate 621 and are conveyed to the yarn turning mechanism 1 forwards, and the clamping mechanism 2 clamps the back yarns tightly.

It should be noted that the above is only a preferred embodiment of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that the technical solutions described in the foregoing embodiments can be modified or some technical features can be replaced with equivalents, but any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A loading and unloading device is characterized by comprising a feeding frame, a loading part, a supporting part and a conveying part; the feeding frame is obliquely arranged and used for storing strip-shaped materials to be conveyed; the feeding part, the supporting part and the conveying part are all arranged on the lower side of the feeding frame; the feeding parts are provided with a plurality of groups and are arranged at intervals along the length direction of the feeding frame; the supporting pieces and the conveying pieces are arranged at intervals along the length direction of the feeding frame and form a conveying line for strip-shaped materials; the feeding part comprises a feeding cylinder and a material plate, the upper end of a piston rod of the feeding cylinder is connected with the lower part of the material plate, and the feeding cylinder can drive the material plate to lift; the flitch comprises a feeding inclined plate, the inner end part of the feeding inclined plate extends to the feeding frame, and when the feeding inclined plate is at a low position, the highest point of the end part is not higher than the lowest point of the feeding frame; the outer end of the feeding inclined plate is tightly adjacent to the conveying line, and the inner end surface of the feeding inclined plate is higher than the upper surface of the outer end.

2. The loading and unloading device of claim 1, wherein the flitch further comprises a blanking inclined plate, and the blanking inclined plate is positioned below the conveying line; the blanking inclined plate is connected with the loading inclined plate end to end, and the upper surface of the blanking inclined plate is inclined; one end of the blanking inclined plate, which is close to the feeding inclined plate, is higher than the upper surface of the other end of the blanking inclined plate, and the height of one end of the feeding inclined plate, which is close to the blanking inclined plate, is lower than the height of one end of the blanking inclined plate, which is close to the feeding inclined plate.

3. The loading and unloading device as claimed in claim 1, wherein the conveying member comprises a rotating wheel, a pressing motor and a pressing cylinder, the rotating wheel is rotatably connected to a supporting platform, and the supporting platform is arranged below the side part of the feeding frame; the pressing wheel is positioned right above the rotating wheel, the pressing wheel and the rotating wheel are arranged oppositely, and the strip-shaped material is positioned between the pressing wheel and the rotating wheel; the output end of the compaction motor is connected with a wheel shaft of the compaction wheel to drive the compaction wheel to rotate; the lower end of a piston rod of the pressing cylinder is connected with a pressing motor, and the pressing motor is driven to drive the pressing wheel to be close to or far away from the rotating roller; the compressing cylinder is fixedly connected with the mounting frame, and the mounting frame is connected with the feeding frame.

4. The loading and unloading device as recited in claim 1, wherein the support member comprises a support roller rotatably connected to the support platform; the roll diameter of the supporting roll is gradually reduced from two ends to the center.

5. The loading and unloading device as claimed in claim 4, wherein the feeding frame comprises a rail and a plurality of inclined supporting cross bars, and the plurality of supporting cross bars are arranged at the bottom of the rail at intervals along the length direction of the rail; a baffle is arranged at one end of the supporting cross rod, which is far away from the railing, and the strip-shaped material with processing is placed on the supporting cross rod between the railing and the baffle; the feeding part, the supporting part and the conveying part are all located on the outer side of the baffle.

6. The loading and unloading device as claimed in claim 5, wherein the length of the loading inclined plate on the side of the baffle away from the supporting roller is equal to the width of the strip-shaped material.

7. A threading device capable of simultaneously feeding and discharging is characterized by comprising a rack, a threading mechanism, a clamping mechanism and a feeding and discharging device as claimed in any one of claims 1 to 6, wherein the threading mechanism is mounted on the rack, the clamping mechanism is used for clamping strip-shaped materials, the clamping mechanism is fixed between the threading mechanism and the feeding and discharging device, and a clamping center line of the clamping mechanism is collinear with a conveying line; the bar-shaped materials to be processed are conveyed to the clamping mechanism through the conveying piece of the feeding and discharging device.

8. The threading device according to claim 7, wherein the clamping mechanism comprises a clamping base, a screw rod rotatably connected to the clamping base, two reverse screw nuts adapted to the screw rod, clamping plates fixedly connected to the two screw nuts, respectively, and a clamping motor fixedly connected to an end of the screw rod; the two clamping plates are arranged oppositely; the driving end of the clamping motor is connected with one end of the screw rod to drive the screw rod to rotate, and the two screw rod nuts move in the same direction or in the opposite direction along the screw rod to drive the two clamping plates to approach or keep away from each other.

9. The threading equipment according to claim 8, wherein clamping plates are arranged on the clamping plates at intervals, clamping grooves which are concave inwards are formed in the clamping plates, and clamping teeth are arranged in the clamping grooves along the axis direction of the steel bars; the clamping plates on the two clamping plates are arranged in a staggered manner.

10. The threading apparatus of claim 9, wherein the latch is a stepped structure.