CN114523041A

CN114523041A - Indirect thermoforming preheats production facility

Info

Publication number: CN114523041A
Application number: CN202210424019.3A
Authority: CN
Inventors: 严建文; 王磊; 李贵闪; 张海杰; 胡彬彬; 印志峰; 方昆; 刘琼
Original assignee: Hefei Metalforming Intelligent Manufacturing Co ltd
Current assignee: Hefei Metalforming Intelligent Manufacturing Co ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-05-24
Anticipated expiration: 2042-04-22
Also published as: CN114523041B

Abstract

The invention discloses indirect thermal forming preheating production equipment, and belongs to the technical field of indirect thermal forming. An indirect thermal forming preheating production device comprises a supporting beam and a material inserting mechanism; four supporting beam is the longitudinal symmetry and sets up in inserting the feed mechanism left and right sides, and is adjacent from top to bottom the symmetry is equipped with the guide bar around being in between the supporting beam, prevents weighing down the gas pole, controls two prevent weighing down the gas pole dislocation set, and is adjacent from top to bottom position between the supporting beam is equipped with elevating system, prevent weighing down the gas pole bottom and be equipped with the gas pole adjusting part who is connected with elevating system. According to the invention, the hot-forming steel plate is pushed into the heating furnace by using the inserting mechanism and is taken down after being heated, the plurality of inserting rods can extend to rotate in the same direction to transport the steel plate, and the lifting mechanism is arranged on the supporting beam connected with the inserting mechanism to adjust so as to enable the inserting mechanism to move up and down, so that loading and unloading can be rapidly completed.

Description

Indirect thermoforming preheats production facility

Technical Field

The invention relates to the technical field of indirect thermoforming, in particular to indirect thermoforming preheating production equipment.

Background

The essence of the hot forming process is that a workpiece is heated and kept warm until the material is completely austenitized, then the heated workpiece is sent into a special water-cooled mold, and the heated workpiece is cooled in the mold at a certain speed to convert an austenite structure into a martensite structure, so that the strength of the material is greatly improved, and the shape of the workpiece is restrained by utilizing a cavity of the mold in the cooling process, quenching deformation is eliminated, and the finished product is ensured to have good dimensional accuracy.

Thermoforming processes currently fall into two broad categories: direct thermoforming processes and indirect thermoforming processes. The indirect hot forming process appears late, is not applied much at present, but can completely cover and exceed the range of products which can be processed by the direct hot forming process, has high development potential, and is expected to completely replace the direct hot forming process in the future.

The complete process of the indirect hot forming process comprises the following steps: blanking, preforming, trimming and punching of a cold stamping line, feeding into a heating furnace to be heated to austenitizing, feeding into a die to be shaped, quenching, cleaning and oiling.

The indirect hot forming process has good compatibility, and all parts which can be processed by the direct hot forming production line can be processed on the indirect hot forming production line; the size of indirect hot forming parts is not limited, large parts can be integrally hot formed, and welding is not needed after direct hot forming processing in sections; the plate material used by the part is not limited, and a bare plate, an aluminum-silicon plated plate and a zinc plated plate can be processed, wherein the zinc plated plate can be processed only by indirect hot forming. Can completely replace a direct thermoforming production line.

The hydraulic press in the indirect thermal technology can complete the processes of stamping, shape keeping, quenching and the like, but the steel plate parts are heated to austenitizing and are also required to be placed in a heating furnace, the temperature of the heating furnace is high, and the heating efficiency is low. For improving work efficiency, the heating furnace is arranged in a layered mode and a plurality of discharge ports are installed at present, so that the pre-forming processing equipment which needs to be matched together in automatic feeding and discharging and transferring is adopted

Therefore, the design of an indirect hot forming preheating production device is very necessary.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides indirect hot forming preheating production equipment.

In order to achieve the purpose, the invention adopts the following technical scheme:

an indirect thermal forming preheating production device comprises a supporting beam and a material inserting mechanism; four supporting beam is the longitudinal symmetry and sets up in inserting the feed mechanism left and right sides, and is adjacent from top to bottom the symmetry is equipped with the guide bar around being in between the supporting beam, prevents weighing down the gas pole, controls two prevent weighing down the gas pole dislocation set, and is adjacent from top to bottom position between the supporting beam is equipped with elevating system, prevent weighing down the gas pole bottom and be equipped with the gas pole adjusting part who is connected with elevating system.

Preferably, insert material mechanism including inserting material pole, link, insert the material pole and be array distribution between two supporting beam that are located the top, the link vertically sets up both ends and two supporting beam internal contact that are located the top, insert the material pole and extend to the link inside and rotate rather than and be connected, insert the material pole and cup jointed gear A, one of them in the link inside the gear A has cup jointed the chain on the gear A, it is a plurality of gear A passes through the chain meshing and connects, link one end is equipped with servo motor A, and two gear A have been cup jointed on the material pole with the adjacent material pole of inserting of servo motor A, one of them gear A is connected with the gear B meshing that cup joints on the servo motor A output shaft.

Preferably, be located the top support roof beam top surface has vertically seted up spacing groove A, spacing groove A inside is equipped with rather than gliding slider A, slider A top extends to spacing groove A top and is connected fixedly with the link, the inside threaded rod A that runs through slider A that is equipped with of spacing groove A, threaded rod A one end is connected with servo motor B.

Preferably, be close to servo motor A one side the supporting beam top surface is equipped with spacing groove B in the position that is close to spacing groove A, spacing groove B slides in proper order and is equipped with a plurality of limiting plates, and is a plurality of the limiting plate array distributes and leaves the clearance, adjacent two be fixed with spring A between the limiting plate, the inside cable that is connected with servo motor A that is equipped with of spacing groove B.

Preferably, prevent weighing down the gas pole and include gas pressure pole, loop bar A is from last down the cover locate its top of gas pressure pole outside and be connected fixedly with a supporting beam that is located the top, loop bar A middle part is equipped with the piston that extends to the gas pressure pole inside, a plurality of spacing holes have been seted up to the piston, and is a plurality of be equipped with sealed check valve on the spacing hole, the gas pressure pole bottom is connected with a supporting beam that is located the below and connects fixedly and leaves the clearance in the middle part, the check valve bottom is fixed with the pivot that extends to the gas pressure pole below.

Preferably, elevating system includes the adjustable shelf, the adjustable shelf is the X shape and rotates the setting, adjustable shelf top both sides are rotated with a supporting beam bottom surface that is located the top and are connected, are located the below a supporting beam top surface is rotated and is equipped with threaded rod B, threaded rod B one end threaded connection has the slider B of being connected with the adjustable shelf bottom rotation, threaded rod B is close to one side connection of preventing weighing down the gas pole and is fixed with servo motor C, another bottom of adjustable shelf is rotated and is connected on a supporting beam that is located the below.

Preferably, the gas pole adjusting part includes the pinion rack, is located the below a supporting beam top surface has been seted up and has been rotated rather than the position level of pinion rack, the pinion rack bottom inlays to locate inside and rather than rotating connection of spout, both ends have the secondary tooth through spring B swing joint about the pinion rack, the pinion rack is close to and prevents weighing down the gas pole and is fixed with the dead lever in proper order the middle part, T type pole has been cup jointed to pivot bottom outside, T type pole outer end sliding sleeve is equipped with loop bar B, loop bar B rotates with the dead lever to be connected, the meshing is connected with gear C on the pinion rack, gear C runs through at the middle part has the connecting rod, servo motor C's output shaft passes through the drive belt and is connected with the connecting rod rotation.

Compared with the prior art, the invention provides indirect thermoforming preheating production equipment, which has the following beneficial effects:

(1) the invention provides indirect thermoforming preheating production equipment which is arranged beside a heating furnace, wherein a thermoforming steel plate is pushed into the heating furnace by using a material inserting rod of a material inserting mechanism and can be taken down after heating, a plurality of material inserting rods can extend to rotate in the same direction to transport and separate the steel plate, a plurality of material feeding notches are formed in a layered heating furnace to increase the heating rate, a lifting mechanism is arranged on a supporting beam connected with the material inserting mechanism to adjust the material inserting mechanism to move up and down, loading and unloading can be rapidly completed, the material inserting mechanism and the lifting mechanism are both connected with driving modules such as motors and the like, connecting lines and the like are simultaneously carried, and in order to increase the stability of the lifting mechanism and avoid accidents, an anti-falling air rod and an air rod adjusting component matched with the air rod are arranged on the lifting mechanism.

(2) According to the invention, a limiting groove B is singly arranged on one supporting beam positioned above, the limiting groove B is arranged in a U shape and is communicated with the outside, a plurality of limiting plates are arranged at the positions of notches of the limiting groove B in a clearance manner and are in sliding connection with the limiting groove B, the limiting plates are connected through a connecting spring A, so that the limiting groove B is in a semi-closed state, cables are laid in the limiting groove B, when a servo motor A moves, the limiting groove B can realize the retraction of the cables, the cables are close to a material inserting rod, and the limiting groove B protects the cables.

(3) According to the anti-falling air rod, the air pressure rod of the anti-falling air rod extends into the piston, the pressure intensity of the upper end and the lower end of the piston is different, the limiting hole is formed in the piston to increase air flow, the one-way valve is arranged at the limiting hole to adjust air flow, when the lifting mechanism ascends, the sleeve rod A slides upwards, the one-way valve on the piston is in an open state, when the sleeve rod A slides upwards, the one-way valve is in a sealed state, the mobility of air is determined by the action of the one-way valve on the limiting hole, the one-way valve is connected with the air rod adjusting assembly through the rotating shaft, and the aim of preventing falling is achieved by utilizing the angle of the integral one-way valve of the servo motor C.

Drawings

FIG. 1 is a schematic overall top perspective view of the present invention;

FIG. 2 is a schematic view of the overall left side top view configuration of the present invention;

FIG. 3 is a front cross-sectional view of the integral connecting frame and the related components of the present invention;

FIG. 4 is a schematic top view of one of the support beams of the present invention;

FIG. 5 is a schematic view of the upper and lower support assemblies of the present invention;

FIG. 6 is an enlarged schematic view of the structure at A of the present invention;

FIG. 7 is a schematic structural view of the anti-falling gas lever section and related components of the invention;

FIG. 8 is a schematic view of the sectional detachment structure of the anti-falling gas lever of the present invention.

Description of the figure numbers: 1. a support beam; 2. a material inserting mechanism; 201. inserting a material rod; 202. a connecting frame; 203. a gear A; 204. a chain; 205. a limiting groove A; 206. a slide block A; 207. a threaded rod A; 208. a servo motor B; 209. a limiting groove B; 210. a limiting plate; 211. a spring A; 212. a cable; 213. a servo motor A; 3. a guide bar; 4. the anti-falling air rod; 401. a pneumatic rod; 402. a loop bar A; 403. a limiting hole; 404. a one-way valve; 405. a rotating shaft; 406. a piston; 5. a lifting mechanism; 501. a movable frame; 502. a threaded rod B; 503. a slide block B; 504. a servo motor C; 6. a gas lever adjustment assembly; 601. a toothed plate; 602. a chute; 603. secondary teeth; 604. fixing the rod; 605. a T-shaped rod; 606. a loop bar B; 607. and a gear C.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the 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, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-2, an indirect thermoforming preheating production apparatus includes a support beam 1 and a material inserting mechanism 2; four supporting beam 1 are upper and lower symmetry and set up in inserting the 2 left and right sides of feed mechanism, and the position between the upper and lower adjacent supporting beam 1 is that the front and back symmetry is equipped with guide bar 3, prevents weighing down gas pole 4, controls two and prevents weighing down gas pole 4 dislocation set, and the position between the upper and lower adjacent supporting beam 1 is equipped with elevating system 5, prevents weighing down the gas pole adjusting part 6 that the gas pole 4 bottom is connected with elevating system 5.

The invention provides indirect thermoforming preheating production equipment which is arranged beside a heating furnace, wherein a thermoforming steel plate is pushed into the heating furnace by using a material inserting rod 201 of a material inserting mechanism 2 and can be taken down after heating, a plurality of material inserting rods 201 can extend in the same direction to rotate, a rotating belt principle is realized, the steel plate is transported away, a plurality of feeding notches are formed in a layered heating furnace to increase the heating rate, therefore, a lifting mechanism 5 is arranged on a supporting beam 1 connected with the material inserting mechanism 2 to adjust the material inserting mechanism 2 to move up and down, loading and unloading can be rapidly completed, the material inserting mechanism 2 and the lifting mechanism 5 are both connected with driving modules such as motors and the like, connecting circuits and the like are simultaneously carried, in order to increase the stability of the lifting mechanism 5 and avoid accidents, and an anti-falling gas rod 4 and a gas rod adjusting assembly 6 matched with the lifting mechanism 5 are arranged above the lifting mechanism 5.

According to the invention, the lifting mechanism 5 is matched with the inserting mechanism 2 to realize the insertion of the material rod 201, the material rod moves in the vertical direction and the horizontal direction, and the material rod can be rapidly loaded and unloaded by being matched with a multi-layer heating furnace.

Example 2:

referring to FIGS. 3-4, the embodiment 1 is different from the above embodiments; insert material mechanism 2 including inserting material pole 201, link 202, insert material pole 201 and be array distribution between two supporting beam 1 that are located the top, link 202 vertically sets up both ends and two supporting beam 1 internal contact that are located the top, insert material pole 201 and extend to link 202 inside and rather than rotate and be connected, insert material pole 201 and cup jointed gear A203 in link 202 inside, cup jointed chain 204 on one of them gear A203, a plurality of gear A203 pass through chain 204 meshing connection, link 202 one end is equipped with servo motor A213, cup joint two gear A203 on inserting material pole 201 adjacent with servo motor A213, gear B meshing connection that cup joints on one of them gear A203 and the servo motor A213 output shaft.

The top surface of the supporting beam 1 at the top is longitudinally provided with a limit groove A205, a sliding block A206 is arranged in the limit groove A205 and slides with the limit groove A, the top of the sliding block A206 extends to the upper part of the limit groove A205 and is fixedly connected with the connecting frame 202, a threaded rod A207 penetrating through the sliding block A206 is arranged in the limit groove A205, and one end of the threaded rod A207 is connected with a servo motor B208.

The top surface of the support beam 1 close to one side of the servo motor A213 is provided with a limit groove B209 at a position close to the limit groove A205, the position of the limit groove B209 close to the notch is sequentially provided with a plurality of limit plates 210 in a sliding manner, the plurality of limit plates 210 are distributed in an array manner and leave gaps, a spring A211 is fixed between every two adjacent limit plates 210, and a cable 212 connected with the servo motor A213 is arranged inside the limit groove B209.

According to the material inserting mechanism 2, a plurality of material inserting rods 201 are rotatably installed inside a connecting frame 202, and are meshed with each other through a gear A203, a gear B and a chain 204, so that the plurality of material inserting rods 201 are connected with a servo motor A213, after the servo motor A213 is connected with an external control power supply through a cable 212, the servo motor A213 drives the plurality of material inserting rods 201 to rotate in the same direction, and the rotation of the material inserting rods 201 can realize the transfer of steel plates.

According to the invention, two ends of a connecting frame 202 are connected with two supporting beams 1 positioned above in a sliding manner through sliding blocks A206, the sliding blocks A206 are arranged in limiting grooves A205 of the supporting beams 1 positioned above, a threaded rod A207 arranged in the limiting grooves A205 penetrates through the sliding blocks A206 and is in threaded connection with the sliding blocks A, the unthreaded part of the threaded rod A207 penetrates through the supporting beams 1 and is in rotating connection with the supporting beams, a servo motor B208 is connected with the threaded rod A207, after the servo motor B208 works, the threaded rod A207 is driven to rotate, and the limiting friction between the threaded rod A207 and the sliding blocks A206 enables the sliding blocks A206 to extend into the limiting grooves A205 to slide, so that the connecting frame 202 and the inserting rod 201 can move longitudinally.

According to the invention, when the servo motor A213 moves in the horizontal direction, the cable 212 connected with the servo motor A213 will change, so that a limit groove B209 is singly arranged on the support beam 1, the cable 212 is laid and extends out of the limit groove B209 from one end to be connected with the servo motor A213, wherein the limit groove B209 is originally U-shaped and communicated with the outside, a plurality of limit plates 210 are arranged at the notch positions of the limit groove B209 in a clearance manner and are in sliding connection with the limit groove B209, the notch positions of the limit extensible limit groove B209 slide, the limit plates 210 are connected through the spring A211, so that the limit groove B209 is in a semi-closed state, when the inserting rod 201 moves longitudinally, the cable 212 is pulled out from the edge of the servo motor A213, the cable 212 touches and extrudes the limit plates 210, the spring A211 is compressed, and after the servo motor A213 resets, the limit plates 210 can cover the cable 212 newly.

According to the invention, the servo motor B208 is arranged on the support beam 1 close to one side of the servo motor A213, the power line of the servo motor B208 and the power line are arranged in the vertical direction and can be wound on the rotating rod, the coil spring is fixed at the position where the two ends of the rotating rod are connected with the outside, and the power line of the servo motor B208 is ensured to be automatically stored by utilizing the elasticity and the recovery of the coil spring.

Example 3:

referring to FIGS. 5-7, the embodiment 1-2 is different therefrom; prevent weighing down gas pole 4 and include gas pole 401, loop bar A402 is from last down the cover locate gas pole 401 outside its top and be located the top a supporting beam 1 and be connected fixedly, loop bar A402 middle part is equipped with the piston 406 that extends to gas pole 401 inside, a plurality of spacing holes 403 have been seted up to piston 406, be equipped with sealed check valve 404 on a plurality of spacing holes 403, gas pole 401 bottom is connected with a supporting beam 1 that is located the below and connects fixedly and leave the clearance in the middle part, check valve 404 bottom mounting has the pivot 405 that extends to gas pole 401 below.

Elevating system 5 includes adjustable shelf 501, adjustable shelf 501 is the X shape and rotates the setting, adjustable shelf 501 top both sides are rotated with the supporting beam 1 bottom surface that is located the top and are connected, supporting beam 1 top surface that is located the below rotates and is equipped with threaded rod B502, threaded rod B502 one end threaded connection has the slider B503 of being connected with adjustable shelf 501 bottom rotation, threaded rod B502 is close to one side connection of preventing weighing down gas pole 4 and is fixed with servo motor C504, another bottom of adjustable shelf 501 rotates to be connected on a supporting beam 1 that is located the below.

Gas pole adjusting part 6 includes pinion rack 601, a supporting beam 1 top surface that is located the below has been seted up for pinion rack 601's position level with spout 602, pinion rack 601 bottom inlays to locate inside and rather than rotating connection of spout 602, both ends have vice tooth 603 through spring B swing joint about pinion rack 601, pinion rack 601 is close to preventing weighing down gas pole 4 and is fixed with dead lever 604 in proper order the middle part, T type pole 605 has been cup jointed to pivot 405 bottom outside, the slip cover in T type pole 605 outer end is equipped with loop bar B606, loop bar B606 rotates with dead lever 604 to be connected, the meshing is connected with gear C607 on pinion rack 601, the connecting rod has been run through at gear C607 middle part, servo motor C504's output shaft passes through the drive belt and is connected with the connecting rod rotation.

The lifting mechanism 5 provided by the invention utilizes an X-shaped movable frame 501 to be rotatably connected with an upper supporting beam 1 and a lower supporting beam 1, the middle crossing position of the movable frame 501 is also rotatably connected, one of two rotating connection points at the lower end of the movable frame 501 is directly rotatably connected with the supporting beam 1 positioned below, the other rotating connection point is rotatably connected with a sliding block B503, a threaded rod B502 arranged on the supporting beam 1 positioned below penetrates through the sliding block B503 and is in threaded connection with the sliding block B503, a servo motor C504 is arranged at one end of the threaded connection, after the servo motor C504 drives the threaded rod B502 to rotate, the position of the sliding block B503 is changed, the crossing angle of the movable frame 501 is changed, and the lifting adjustment of up and down movement is realized.

According to the invention, a plurality of inserting rods 201 are arranged at intervals, and the heating furnace is internally provided with the same brackets as the inserting rods 201 and distributed in a staggered manner, so that the inserting rods 201 can be used for feeding materials into the heating furnace.

According to the invention, the guide rod 3 and the anti-falling air rods 4 are arranged between the upper supporting beam 1 and the lower supporting beam 1 except the movable frame 501, the guide rod 3 and the anti-falling air rods 4 are distributed on the front side and the rear side of the movable frame 501, the left anti-falling air rods 4 and the right anti-falling air rods 4 are arranged in a staggered manner, wherein the anti-falling air rods 4 are used for supporting the supporting beams 1 above to prevent the faults of the lifting mechanism 5, and the accidents caused by the falling-off of the heating steel plate due to the rapid falling of the two supporting beams 1 above and the inserting mechanism 2 are avoided.

The anti-falling air rod 4 comprises an air rod 401 and a sleeve rod A402 sleeved outside the air rod 401, the air rod 401 is of a sealed hollow tubular structure, the sleeve rod A402 is provided with a piston 406 in the middle, the piston 406 extends into the air rod 401 and is connected with the inside of the air rod 401 in a sliding manner, the piston 406 divides the inside of the air rod 401 into two parts, pressure difference exists between the upper end and the lower end of the piston 406, an exhaust limiting hole 403 is formed in the piston 406 to increase the fluidity of air, a one-way valve 404 is arranged at the position where the limiting hole 403 is formed to control the flow of the air, a subsequent rotating shaft 405 of the one-way valve 404 and an air rod adjusting assembly 6 are controlled, the bottom surface of the air rod 401 is fixedly connected with a supporting beam 1 positioned below, the sleeve rod A402 is fixedly connected with a supporting beam 1 positioned above, when a lifting mechanism 5 rises, the distance between the two supporting beams 1 in the vertical direction increases, and the sleeve rod A402 slides upwards, the check valve 404 on the piston 406 is in an open state, when the loop bar A402 slides upwards, the check valve 404 is in a sealed state, the flow of gas is determined by the action of the check valve 404 on the limiting hole 403, when the loop bar A402 slides downwards, the check valve 404 is in a sealed state to prevent the gas from flowing, so that the loop bar A402 is blocked from sliding downwards and is difficult to fall, and the anti-falling purpose is realized.

The material inserting mechanism 2 and the supporting beam 1 positioned above are always regulated by the lifting mechanism 5, an air rod regulating assembly 6 is additionally arranged to avoid the sealing obstruction of the check valve 404 during descending, specifically, the lower end of the check valve 404 is connected with a rotating shaft 405, the rotating shaft 405 extends out of an air pressure rod 401 and is sleeved with a T-shaped rod 605, a sleeve rod B606 is sleeved on the T-shaped rod 605, the rotating shaft 405 can be rotatably connected with the toothed plate 601 by the rotary connection of the sleeve rod B606 and the fixing rod 604, the toothed plate 601 is meshed with a gear C607, a connecting rod penetrating through the middle part of the gear C607 is connected with an output shaft of a servo motor C504 through a transmission belt, the toothed plate 601 is arranged inside the sliding chute 602, when the servo motor C504 works, the toothed plate 601 can sequentially slide towards the sliding chute 602, the gear C607 can always mesh with an auxiliary tooth 603 after the toothed plate 601 moves to the end part of the sliding chute 602, and the toothed plate 601 can drive the fixing rod 604 to move when moving, after the loop bar B606 is rotationally connected with the fixed bar 604, the fixed bar 604 moves to change the inclination angle of the loop bar B606, so that the rotating shaft 405 rotates, and the rotating shaft 405 rotates to ensure that the anti-falling air rod 4 is lifted by staggering the one-way valve 404 and the limiting hole 403.

In the invention, because the fixed rod 604 can move, the sleeve rod B606 can increase the connection distance of the T-shaped rod 605, in addition, the fixed rod 604 singly moves to meet the 90-degree deflection of the sleeve rod B606 and the T-shaped rod 605, and one part of the middle of the rotating shaft 405 is connected with two parts by the spring C, so that the rotating shaft 405 is ensured not to influence the work of the check valve 404.

When the servo motor C504 works and the inserting mechanism 2 and the supporting beam 1 positioned above rise, the one-way valve 404 is sealed with the limiting hole 403, and the one-way valve 404 is in an open state; when the inserting mechanism 2 and the supporting beam 1 positioned above descend, the one-way valve 404 is staggered with the limiting hole 403, and the one-way valve 404 is in a sealing state, so that the anti-falling air rod 4 normally ascends but cannot descend when the lifting mechanism 5 ascends to place the anti-falling air rod to fall; when the lifting mechanism 5 descends, the check valve 404 is staggered with the limit hole 403 when the air rod adjusting assembly 6 is used, so that the anti-falling air rod 4 can normally descend.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides an indirect thermoforming preheats production facility which characterized in that: comprises a supporting beam (1) and an inserting mechanism (2); four supporting beam (1) is upper and lower symmetry and sets up in inserting material mechanism (2) left and right sides, and is adjacent from top to bottom the symmetry is equipped with guide bar (3), prevents weighing down gas pole (4) around the position between supporting beam (1) is, controls two prevent weighing down gas pole (4) dislocation set, and is adjacent from top to bottom position between supporting beam (1) is equipped with elevating system (5), prevent weighing down gas pole (4) bottom and be equipped with gas pole adjusting part (6) be connected with elevating system (5).

2. The indirect thermoforming preheating production facility of claim 1, wherein: the inserting mechanism (2) comprises an inserting rod (201) and a connecting frame (202), the material inserting rods (201) are distributed between the two supporting beams (1) positioned above in an array manner, the two ends of the connecting frame (202) are longitudinally arranged and are contacted with the inner parts of the two supporting beams (1) positioned above, the material inserting rod (201) extends to the inside of the connecting frame (202) and is connected with the connecting frame in a rotating way, the material inserting rod (201) is sleeved with a gear A (203) inside the connecting frame (202), one gear A (203) is sleeved with a chain (204), a plurality of gears A (203) are meshed and connected through the chain (204), one end of the connecting frame (202) is provided with a servo motor A (213), two gears A (203) are sleeved on the material inserting rod (201) adjacent to the servo motor A (213), one gear A (203) is in meshed connection with a gear B sleeved on an output shaft of the servo motor A (213).

3. The indirect thermoforming preheating production facility of claim 2, wherein: be located the top supporting beam (1) top surface has vertically seted up spacing groove A (205), inside slider A (206) rather than gliding of being equipped with of spacing groove A (205), slider A (206) top extends to spacing groove A (205) top and is connected fixedly with link (202), the inside threaded rod A (207) that runs through slider A (206) that is equipped with of spacing groove A (205), threaded rod A (207) one end is connected with servo motor B (208).

4. The indirect thermoforming preheating production facility of claim 3, wherein: be close to servo motor A (213) one side it is equipped with spacing groove B (209) to prop up supporting beam (1) top surface in the position that is close to spacing groove A (205), the position that spacing groove B (209) are close to the notch slides in proper order and is equipped with a plurality of limiting plates (210), and is a plurality of limiting plate (210) array distribution leaves the clearance, adjacent two be fixed with spring A (211) between limiting plate (210), spacing groove B (209) inside is equipped with cable (212) of being connected with servo motor A (213).

5. The indirect thermoforming preheating production facility of claim 4, wherein: prevent weighing down gas pole (4) and include gas pressure pole (401), loop bar A (402) are located its top of gas pressure pole (401) outside and are connected fixedly with supporting beam (1) that are located the top from last down cover, loop bar A (402) middle part is equipped with piston (406) that extend to gas pressure pole (401) inside, a plurality of spacing holes (403) have been seted up in piston (406), and is a plurality of be equipped with sealed check valve (404) on spacing hole (403), gas pressure pole (401) bottom is connected with supporting beam (1) that are located the below and connects fixedly and leaves the clearance in the middle part, check valve (404) bottom mounting has pivot (405) that extend to gas pressure pole (401) below.

6. The indirect thermoforming preheating production facility of claim 5, wherein: elevating system (5) are including adjustable shelf (501), adjustable shelf (501) are the X shape and rotate the setting, adjustable shelf (501) top both sides are rotated with a supporting beam (1) bottom surface that is located the top and are connected, are located the below a supporting beam (1) top surface is rotated and is equipped with threaded rod B (502), threaded rod B (502) one end threaded connection has and rotates slider B (503) of being connected with adjustable shelf (501) bottom, threaded rod B (502) are close to one side of preventing weighing down gas pole (4) and are connected and are fixed with servo motor C (504), another bottom of adjustable shelf (501) is rotated and is connected on a supporting beam (1) that is located the below.

7. The indirect thermoforming preheating production facility of claim 6, wherein: the air lever adjusting component (6) comprises a toothed plate (601), the top surface of the supporting beam (1) positioned below is horizontally provided with a sliding chute (602) relative to the position of the toothed plate (601), the bottom end of the toothed plate (601) is embedded in the sliding groove (602) and is rotationally connected with the sliding groove, the left end and the right end of the toothed plate (601) are movably connected with auxiliary teeth (603) through springs B, a fixed rod (604) is fixed at the middle part of the toothed plate (601) close to the anti-falling air rod (4), a T-shaped rod (605) is sleeved outside the bottom end of the rotating shaft (405), a sleeve rod B (606) is slidably sleeved at the outer end of the T-shaped rod (605), the loop bar B (606) is rotationally connected with the fixed bar (604), the toothed plate (601) is engaged with a gear C (607), a connecting rod penetrates through the middle of the gear C (607), and an output shaft of the servo motor C (504) is rotatably connected with the connecting rod through a transmission belt.