CN113787160B

CN113787160B - A forge blank preheating device for hydraulic hose connects production and processing

Info

Publication number: CN113787160B
Application number: CN202111098694.3A
Authority: CN
Inventors: 罗学荣; 方蒋勇; 刘智新; 周建伟; 乐松; 刘勇
Original assignee: Jiangxi Suqiangge Hydraulic Co ltd
Current assignee: Jiangxi Suqiangge Hydraulic Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-08-23
Anticipated expiration: 2041-09-18
Also published as: CN113787160A

Abstract

The invention discloses a forging blank preheating device for hydraulic hose joint production and processing, which belongs to the technical field of hydraulic hose joint preheating devices and comprises a feeding support, wherein the feeding support is in an inclined posture; when the shaft forging is heated each time, the opening and closing mechanism is matched with the pushing mechanism to sequentially enable the shaft forging arranged along the feeding support to enter the two rotating rollers one by one, so that the plurality of forging pieces are prevented from entering the heating region to be heated at the same time, the heating effect of the forging pieces is ensured, the plurality of forging pieces are prevented from being adhered after being heated, the two rotating rollers can well and stably support the shaft forging pieces, the position of the shaft forging pieces after falling is ensured, the shaft forging pieces are prevented from being deviated, when the pushing mechanism pushes the shaft forging pieces to move towards the heating mechanism, the clamping time of the shaft forging pieces is accurately controlled according to the moving distance of the shaft forging pieces, the shaft forging pieces can be accurately reset again after being heated, and the influence on the discharge of the shaft forging pieces is avoided.

Description

A forge blank preheating device for hydraulic hose connects production and processing

Technical Field

The invention relates to the technical field of hydraulic hose joint preheating devices, in particular to a forging blank preheating device for production and processing of a hydraulic hose joint.

Background

In the production process of the hydraulic hose connector, a blank axial forging piece needs to be forged, firstly, the blank of the axial forging piece needs to be conveyed into a heating furnace or a heating box, then, one end of the axial forging piece is heated to reach the temperature required by forging, and finally, the axial forging piece is forged and formed on a forging machine.

In the forging process of the shaft type forging in the prior art, because the shaft type forging is arranged on the material plates side by side, when a single shaft type forging is heated, adjacent forgings are often heated simultaneously, the phenomenon of adhesion of the adjacent forgings is easily caused, the forging of subsequent shaft type forgings is not facilitated, and the heating points of the forgings are fixed when the shaft type forging is heated by the conventional heating equipment, the forge pieces are easily heated unevenly all around, and the subsequent forging of the forge pieces is not facilitated.

Based on the above, the invention designs a forging blank preheating device for the production and processing of the hydraulic hose joint to solve the problems.

Disclosure of Invention

The invention aims to provide a forging blank preheating device for production and processing of hydraulic hose joints, and aims to solve the problems that in the process of forging shaft forgings in the prior art, as a plurality of shaft forgings are arranged on a material plate side by side, when a single shaft forging is heated, adjacent forgings are often heated simultaneously, the phenomenon of adhesion of the adjacent forgings is easily caused, and the subsequent shaft forging is not facilitated.

In order to achieve the purpose, the invention provides the following technical scheme: a forging blank preheating device for production and processing of hydraulic hose joints comprises a feeding support, wherein the feeding support is in an inclined posture, a feeding support is fixedly connected to the inner side wall of the feeding support through an I-shaped connecting plate, the feeding support is arranged in an inclined mode, two rotating rollers are arranged between the feeding support and the feeding support, a heating mechanism for uniformly heating the circumference of a shaft forging is arranged on the rear side of each rotating roller, a pushing mechanism for pushing the shaft forging at the top of each rotating roller into the heating mechanism for heating is arranged on the front side of each rotating roller, and an opening and closing mechanism for enabling one shaft forging to enter the upper portion of each rotating roller at each time is connected to the outer side of the feeding support;

the heating mechanism comprises a heating box, the heating box is arranged on the outer side of the feeding support, the outer side of the heating box is connected with a heating cylinder through a heating frame, the axis of the heating cylinder is concentric with the shaft forging pieces at the tops of the two rotating rollers, and a support is fixedly connected to the bottom of the heating cylinder;

the pushing mechanism comprises a first fixing plate, the first fixing plate is arranged on the outer side of the feeding support, a pushing cylinder is fixedly connected to the rear side wall of the first fixing plate, a pushing plate is fixedly connected to the rear end of the pushing cylinder, a first sliding chute is formed in the pushing plate, two arc-shaped clamping plates are connected to the inner side wall of the first sliding chute in a sliding mode, a first spring is fixedly connected between each two arc-shaped clamping plates and the first sliding chute, an L-shaped connecting plate is fixedly connected to the front side walls of the feeding support and the feeding support, a first extruding plate is fixedly connected to the inner ends of the two L-shaped connecting plates, a guide block is fixedly connected to the tops of the two arc-shaped clamping plates, and the guide block is used for acting with the first extruding plate;

the opening and closing mechanism comprises two L-shaped supporting frames, the two L-shaped supporting frames are respectively and fixedly connected to the front side wall and the rear side wall of the feeding support, the inner side walls of the two L-shaped supporting frames are respectively and fixedly connected with a first air spring, the inner ends of the two first air springs are respectively and fixedly connected with a first baffle, the first baffle at the front side is contacted with the front side wall of the pushing plate, the right side walls of the two first baffles are respectively and fixedly connected with a limiting plate, the two limiting plates are respectively positioned at the top of the feeding support and used for blocking a shaft forging piece, the bottoms of the two limiting plates are respectively and fixedly connected with a first rack, the bottom of the feeding bracket is rotationally connected with a first gear which is positioned between the two first racks and is meshed with the two first racks, the right side of the limiting plate is connected with a limiting mechanism used for limiting the rolling of the subsequent shaft forging when the first forging on the left side falls down;

the limiting mechanism comprises two second racks, the two second racks are fixedly connected to the right side walls of the front limiting plate and the rear limiting plate respectively, the front side wall and the rear side wall of the feeding support are fixedly connected with first connecting plates, positioning rods in sliding connection with the first connecting plates penetrate through the two first connecting plates, the two positioning rods are used for being inserted into gaps between two adjacent shaft forging pieces to block the shaft forging pieces on the right side, the outer ends of the two positioning rods are fixedly connected with third racks, the outer side walls of the two first connecting plates are fixedly connected with second connecting plates, the tops of the second connecting plates are rotatably connected with second gears, and the second gears are meshed with the second racks and the third racks;

the top of the I-shaped connecting plate is fixedly connected with two second air springs, the top ends of the two second air springs are fixedly connected with first top plates, the outer ends of the two first top plates are fixedly connected with two supporting blocks, the supporting blocks are used for supporting rotating rollers, the rotating rollers are rotatably connected to the tops of the supporting blocks, the bottoms of the two first top plates are fixedly connected with two first guide blocks together, the bottoms of the two first racks are fixedly connected with L-shaped extrusion plates, and the two L-shaped extrusion plates are respectively used for extruding the two first guide blocks;

the outer surfaces of the two rotating rollers are fixedly connected with friction rollers, the two friction rollers are in transmission connection through friction belts, the outer ends of the rotating rollers are fixedly connected with driving motors, and the driving motors are fixedly connected onto the outer side walls of the supporting blocks through L-shaped fixing plates.

Compared with the prior art, the invention has the beneficial effects that:

1. when the shaft forging is heated each time, the shaft forging arranged along the feeding support is sequentially fed above the two rotating rollers one by utilizing the opening and closing mechanism and the pushing mechanism, so that a plurality of forgings are prevented from simultaneously feeding into the heating area to be heated, the heating effect of the forgings is ensured, the plurality of forgings are prevented from being adhered after being heated, the two rotating rollers can well and stably support the shaft forging, the position of the shaft forging behind the lower part is ensured, the shaft forging is prevented from being deviated, when the pushing mechanism pushes the shaft forging to move towards the heating mechanism, the clamping time of the shaft forging is accurately controlled according to the moving distance of the shaft forging, the shaft forging can be accurately reset again after being heated, the influence on the discharge of the shaft forging is avoided, the shaft forging is automatically and continuously preheated in the process, and the working efficiency is high.

2. According to the invention, through the two air springs arranged at the tops of the two I-shaped connecting plates, when the shaft forging piece is driven to exit from the heating cylinder and reset, the push plate continues to move backwards, when the next cycle is started, the push plate can drive the first baffle plate to move outwards, so that the two first racks at the bottom move outwards, the two first racks respectively drive the L-shaped extrusion plates fixedly connected with the two first racks to extrude the first guide block, the first guide block and the first top plate move upwards simultaneously, before the limiting plate is not separated from the shaft forging piece, the two first top plates drive the two rotating rollers to lift upwards for a certain distance through driving the supporting blocks, the heated shaft forging piece is conveniently punched out of the feeding support, when the push plate moves forwards, the L-shaped extrusion plates are driven to be separated from the first guide block, when the push plate is in contact with the shaft forging piece, the L-shaped extrusion plates are separated from the first guide block, the rotating rollers at the top are pulled by gravity and the second air spring, when the shaft forging piece is centered, the stability of the shaft forging piece is guaranteed, the shaft forging piece is prevented from being directly discharged from a feeding support, accurate machining of the shaft forging piece and stable discharge after machining are facilitated each time, and it is guaranteed that only one shaft forging piece can be located at the tops of two rotating shafts each time.

Drawings

FIG. 1 is a first perspective view of the general construction of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a second perspective view of the general construction of the present invention;

FIG. 4 is a third perspective view of the general construction of the present invention;

FIG. 5 is a schematic view of the first rack and the first guide block of the present invention;

FIG. 6 is a fourth perspective view of the general construction of the present invention (without the shaft forging shown);

FIG. 7 is a fifth perspective view of the general construction of the present invention (without the shaft forging shown).

In the drawings, the components represented by the respective reference numerals are listed below:

the device comprises a feeding support 1, an I-shaped connecting plate 2, a feeding support 3, a rotating roller 4, a heating box 5, a heating cylinder 6, a support column 7, a first fixing plate 8, a pushing cylinder 9, a pushing plate 10, a first sliding chute 11, an arc-shaped clamping plate 12, a first spring 13, an L-shaped connecting plate 14, a first extrusion plate 15, a guide block 16, an L-shaped supporting frame 17, a first air spring 18, a first baffle plate 19, a limiting plate 20, a first rack 21, a first gear 22, a second rack 23, a first connecting plate 24, a positioning rod 25, a third rack 26, a second connecting plate 27, a second gear 28, a second air spring 29, a first top plate 30, a supporting block 31, a first guide block 32, an L-shaped extrusion plate 33, a friction roller 34, a friction belt 35, a driving motor 36 and an L-shaped fixing plate 37.

Detailed Description

Referring to fig. 1-7, the present invention provides a technical solution: a forging blank preheating device for production and processing of hydraulic hose joints comprises a feeding support 1, wherein the feeding support 1 is in an inclined posture, a feeding support 3 is fixedly connected to the inner side wall of the feeding support 1 through an I-shaped connecting plate 2, the feeding support 3 is arranged in an inclined mode, two rotating rollers 4 are arranged between the feeding support 1 and the feeding support 3, a heating mechanism for uniformly heating the circumference of a shaft forging is arranged on the rear side of each rotating roller 4, a pushing mechanism for pushing the shaft forging at the top of each rotating roller 4 into the heating mechanism for heating is arranged on the front side of each rotating roller 4, and an opening and closing mechanism for enabling one shaft forging to enter the upper portion of each rotating roller 4 is connected to the outer side of the feeding support 3;

the heating mechanism comprises a heating box 5, the heating box 5 is arranged on the outer side of the feeding support 1, the outer side of the heating box 5 is connected with a heating cylinder 6 through a heating frame, the axis of the heating cylinder 6 is concentric with the shaft forging pieces at the tops of the two rotating rollers 4, and the bottom of the heating cylinder 6 is fixedly connected with a support 7;

the pushing mechanism comprises a first fixing plate 8, the first fixing plate 8 is arranged on the outer side of the feeding support 3, a pushing cylinder 9 is fixedly connected to the rear side wall of the first fixing plate 8, a pushing plate 10 is fixedly connected to the rear end of the pushing cylinder 9, a first sliding chute 11 is formed in the pushing plate 10, two arc-shaped clamping plates 12 are slidably connected to the inner side wall of the first sliding chute 11, a first spring 13 is fixedly connected between each arc-shaped clamping plate 12 and the first sliding chute 11, an L-shaped connecting plate 14 is fixedly connected to the front side wall of the feeding support 3 and the feeding support 1, a first extrusion plate 15 is fixedly connected to the inner ends of each L-shaped connecting plate 14, a guide block 16 is fixedly connected to the tops of each arc-shaped clamping plate 12, and the guide block 16 is used for acting with the first extrusion plate 15;

the opening and closing mechanism comprises two L-shaped supporting frames 17, the two L-shaped supporting frames 17 are fixedly connected to the front side wall and the rear side wall of the feeding support 1 respectively, first air springs 18 are fixedly connected to the inner side walls of the two L-shaped supporting frames 17, first baffle plates 19 are fixedly connected to the inner ends of the two first air springs 18, the front first baffle plates 19 are in contact with the front side wall of the pushing plate 10, limiting plates 20 are fixedly connected to the right side walls of the two first baffle plates 19, the two limiting plates 20 are located at the top of the feeding support 1 and used for blocking a shaft forging, first racks 21 are fixedly connected to the bottoms of the two limiting plates 20, a first gear 22 is rotatably connected to the bottom of the feeding support 1, the first gear 22 is located between the two first racks 21 and meshed with the two first racks 21, and a limiting mechanism used for limiting the rolling of a subsequent shaft forging when the first forging on the left side falls is connected to the right side of the limiting plate 20;

the limiting mechanism comprises two second racks 23, the two second racks 23 are fixedly connected to the right side walls of the front limiting plate 20 and the rear limiting plate 20 respectively, the front side wall and the rear side wall of the feeding support 1 are fixedly connected with first connecting plates 24, locating rods 25 in sliding connection with the first connecting plates 24 penetrate through the two first connecting plates 24, the two locating rods 25 are used for being inserted into gaps between two adjacent shaft forging pieces to block the shaft forging pieces on the right side, the outer ends of the two locating rods 25 are fixedly connected with third racks 26, the outer side walls of the two first connecting plates 24 are fixedly connected with second connecting plates 27, the tops of the second connecting plates 27 are rotatably connected with second gears 28, and the second gears 28 are meshed with the second racks 23 and the third racks 26;

when the device works, the shaft forging pieces needing to be heated are sequentially placed at the top of the feeding support 1, the heating mechanism is started, preheating is firstly carried out, the heating mechanism reaches a certain heating temperature, the shaft forging pieces placed at the top of the feeding support 1 are sequentially arranged at the top of the feeding support 1, the pushing cylinder 9 is started, the pushing cylinder 9 drives the pushing plate 10 to move forwards, the pushing plate 10 stirs the first baffle plate 19, the first baffle plate 19 and the limiting plate 20 move outwards simultaneously, the limiting plate 20 at the front side drives the first rack 21, the first gear 22, the first rack 21 at the rear side and the limiting plate 20 move backwards simultaneously, so that the two limiting plates 20 move outwards simultaneously, the shaft forging pieces rapidly slide into the tops of the two rotating rollers 4, the two limiting plates 20 drive the second rack 23 to move outwards while moving outwards, the third rack 26 and the positioning rod 25 move inwards through the second gear 28, the front and the rear locating rods 25 are inserted into the gap between two adjacent shaft forgings when the two limiting plates 20 are not separated from the shaft forgings, so that the subsequent shaft forgings are prevented from falling together after the two limiting plates 20 are separated from the shaft forgings, only one shaft forging is ensured to enter each time, a plurality of forgings are prevented from being contacted and heated, the two rotating rollers 4 enable the shaft forgings to be centered, then the pushing cylinder 9 starts to extend out to drive the pushing cylinder to move forwards and quickly approach the rotating rollers 4, the front and the rear first baffle plates 19 are reset under the action of the first air spring 18, so that the two limiting plates 20 slide into the top of the feeding support 1 again, on the contrary, the two locating rods 25 are pulled out, the subsequent shaft forgings slide down to one position and fall on the right sides of the two limiting plates 20 again, a continuous conveying process can be carried out, but when the rear side of the pushing plate 10 is not contacted with the front ends of the shaft forgings, the two arc-shaped clamping plates 12 are propped by the first spring 13 to be in an open state, the guide blocks 16 at the tops of the two arc-shaped clamping plates 12 are in contact with the first extrusion plate 15, so that the two arc-shaped clamping plates 12 start to slide inwards along the first sliding groove 11, the shaft forging is slowly clamped in the process of pushing backward movement, when the rear surface of the pushing plate 10 is in contact with the shaft forging, the shaft forging is completely clamped by the two arc-shaped clamping plates 12, the shaft forging is prevented from being deviated in the pushing process, the pushing plate 10 continues to move backwards, the shaft forging starts to move backwards, the rear end of the shaft forging is inserted into the heating cylinder 6, after the rear end of the shaft forging is inserted, the shaft forging stays for a period of time, the rear end of the shaft forging is completely heated, the heating cylinder 6 continues to uniformly heat the circumference of the shaft forging, then the pushing cylinder 9 starts to retract, at the moment, the arc-shaped clamping plates 12 clamp the shaft forging tightly and can pull the shaft forging to retract, the pushing plate 10 drives the shaft forging to slowly reset, when the shaft forging just resets, the guide block 16 starts to move along the inclined plane of the first extrusion plate 15, the two arc-shaped clamping plates 12 open under the action of the first spring 13 to release the clamping of the shaft forging, so that the shaft forging can accurately stay above the rotating rollers 4 in the subsequent opening process of the pushing plate 10, the shaft forging is favorably and smoothly discharged from the feeding bracket 3, the pushing plate 10 moves outwards, the arc-shaped clamping plates 12 are separated from the shaft forging, the steps are repeated, the next shaft forging falls down to form impact with the heated shaft forging, the shaft forging is discharged from the top of the feeding bracket 3, the preheating of one shaft forging is completed, and therefore when the shaft forging is heated each time, the shaft forging arranged along the feeding bracket 1 sequentially enters the upper parts of the two rotating rollers 4 one by one opening and closing mechanism and matching with the pushing mechanism, avoid a plurality of forgings to get into the heating region simultaneously and heat, guarantee the heating effect of forging, avoid a plurality of forgings to glue after the heating, and two live-rollers 4 then can stabilize the counter shaft forging well and accept, guarantee the position behind the counter shaft forging, avoid the skew of counter shaft forging, pushing mechanism promotes when the counter shaft forging removes to heating mechanism, accurately hold the centre gripping opportunity of counter shaft forging according to its migration distance, ensure that the counter shaft forging can be accurate once more after heating and reset, avoid influencing the discharge of counter shaft forging, and realize preheating the counter shaft forging automatically in succession with this process, high work efficiency.

As a further scheme of the invention, the top of the i-shaped connecting plate 2 is fixedly connected with two second gas springs 29, the top ends of the two second gas springs 29 are fixedly connected with first top plates 30, the outer ends of the two first top plates 30 are fixedly connected with two supporting blocks 31, the supporting blocks 31 are used for supporting the rotating roller 4, the rotating roller 4 is rotatably connected to the top of the supporting blocks 31, the bottoms of the two first top plates 30 are fixedly connected with two first guide blocks 32 together, the bottoms of the two first racks 21 are fixedly connected with L-shaped extrusion plates 33, and the two L-shaped extrusion plates 33 are respectively used for extruding the two first guide blocks 32; when the automatic feeding device works, because the two rotating rollers 4 are required to be lower than the top surface of the feeding bracket 3 when the rolled-down forged shaft pieces are received by the two rotating rollers 4, and when the subsequent forged shaft pieces impact the heated forged shaft pieces, the accurate control of the discharge of the forged shaft pieces is difficult, and the heating of the subsequent rolled-down forged shaft pieces may be influenced, the pushing plate 10 continues to move backwards when the forged shaft pieces are driven to exit the heating cylinder 6 to reset by the two air springs arranged at the tops of the two I-shaped connecting plates 2, and when the next cycle is started, the pushing plate 10 drives the first baffle plate 19 to move outwards, so that the two first racks 21 at the bottom move outwards, the two first racks 21 respectively drive the L-shaped extrusion plates 33 fixedly connected with the two first racks 21 to extrude the first guide blocks 32, so that the first guide blocks 32 and the first top plate 30 move upwards at the same time, before limiting plate 20 has not detached from the axle forging yet, two first roofs 30 make two live-rollers 4 upwards lift a distance through driving supporting shoe 31, the axle forging after being convenient for to heat is washed out pay-off support 3, and when slurcam 10 forward motion, L type stripper plate 33 is driven and is broken away from first guide block 32, when slurcam 10 and axle forging contact, L type stripper plate 33 breaks away from first guide block 32, live-rollers 4 at top will under the pulling of gravity and second air spring 29, when centering the axle forging, guarantee the stability of axle forging, avoid the axle forging directly to discharge from pay-off support 3, be favorable to the accurate processing of every time axle forging and the stable discharge after the processing, guarantee that only can have an axle forging to be in the top of two axis of rotation at every turn.

As a further scheme of the invention, the outer surfaces of the two rotating rollers 4 are fixedly connected with friction rollers 34, the two friction rollers 34 are in transmission connection through friction belts 35, the outer ends of the rotating rollers 4 are fixedly connected with driving motors 36, and the driving motors 36 are fixedly connected to the outer side walls of the supporting blocks 31 through L-shaped fixing plates 37; during operation, because the axle forging heats in inserting the cartridge heater 6, partial oxidation piece may remain on its surface, can influence the even heating of axle forging when heating, through promoting with the axle forging push back in the cartridge heater 6, start driving motor 36, it rotates to drive a live-rollers 4 of start-up, live-rollers 4 passes through friction roller 34 and friction band 35, drive another live-rollers 4 and rotate, make the axle forging that is located two live-rollers 4 tops can rotate when heating, can throw away the cinder of heating end, be favorable to the back end piece even heating of axle forging.

Claims

1. A forge blank preheating device for hydraulic hose connector production and processing, including material loading support (1), its characterized in that: the feeding support (1) is in an inclined posture, a feeding support (3) is fixedly connected to the inner side wall of the feeding support (1) through an I-shaped connecting plate (2), the feeding support (3) is arranged in an inclined mode, two rotating rollers (4) are arranged between the feeding support (1) and the feeding support (3), a heating mechanism used for uniformly heating the circumference of a shaft forging is arranged on the rear side of each rotating roller (4), a pushing mechanism used for pushing the shaft forging at the top of each rotating roller (4) to enter the heating mechanism for heating is arranged on the front side of each rotating roller (4), and an opening and closing mechanism used for enabling one shaft forging to enter the space above the two rotating rollers (4) every time is connected to the outer side of the feeding support (3);

the opening and closing mechanism comprises two L-shaped support frames (17), the two L-shaped support frames (17) are respectively and fixedly connected to the front side wall and the rear side wall of the feeding support frame (1), the inner side walls of the two L-shaped support frames (17) are respectively and fixedly connected with first air springs (18), the inner ends of the two first air springs (18) are respectively and fixedly connected with first baffle plates (19), the first baffle plates (19) on the front side are in contact with the front side wall of the pushing plate (10), the right side walls of the two first baffle plates (19) are respectively and fixedly connected with limiting plates (20), the two limiting plates (20) are respectively positioned at the top of the feeding support frame (1) and used for blocking a shaft forging piece, the bottoms of the two limiting plates (20) are respectively and fixedly connected with first racks (21), the bottom of the feeding support frame (1) is rotatably connected with first gears (22), the first gears (22) are positioned between the two first racks (21) and are meshed with the two first racks (21), the right side of the limiting plate (20) is connected with a limiting mechanism used for limiting the rolling of the subsequent shaft forging when the first forging on the left side falls down;

the limiting mechanism comprises two second racks (23), the two second racks (23) are respectively and fixedly connected to the right side walls of the front limiting plate (20) and the rear limiting plate (20), the front side wall and the rear side wall of the feeding support (1) are fixedly connected with first connecting plates (24), positioning rods (25) in sliding connection with the first connecting plates penetrate through the two first connecting plates (24), the two positioning rods (25) are used for being inserted into gaps between two adjacent shaft forging pieces to block the shaft forging pieces on the right side, the outer ends of the two positioning rods (25) are fixedly connected with third racks (26), the outer side walls of the two first connecting plates (24) are fixedly connected with second connecting plates (27), the top of the second connecting plate (27) is rotationally connected with a second gear (28), the second gear (28) is meshed with the second rack (23) and the third rack (26).

2. The apparatus for preheating a forged blank for hydraulic hose joint production process according to claim 1, wherein: heating mechanism includes heating cabinet (5), heating cabinet (5) set up in the outside of material loading support (1), the heating cabinet (5) outside is connected with cartridge heater (6) through the heating frame, the axle center of cartridge heater (6) is concentric with the axle forging at two live-rollers (4) tops, cartridge heater (6) bottom fixedly connected with pillar (7).

3. The apparatus for preheating a forged blank for hydraulic hose joint production process according to claim 2, wherein: the pushing mechanism comprises a first fixing plate (8), the first fixing plate (8) is arranged on the outer side of the feeding support (3), a pushing cylinder (9) is fixedly connected to the rear side wall of the first fixing plate (8), a pushing plate (10) is fixedly connected to the rear end of the pushing cylinder (9), a first sliding groove (11) is formed in the pushing plate (10), two arc-shaped clamping plates (12) are slidably connected to the inner side wall of the first sliding groove (11), a first spring (13) is fixedly connected between each arc-shaped clamping plate (12) and the corresponding first sliding groove (11), L-shaped connecting plates (14) are fixedly connected to the front side walls of the feeding support (3) and the feeding support (1), a first extruding plate (15) is fixedly connected to the inner ends of the two L-shaped connecting plates (14), and a guide block (16) is fixedly connected to the tops of the two arc-shaped clamping plates (12), the guide block (16) is intended to interact with the first stripper plate (15).

4. A forging blank preheating device for hydraulic hose joint production process according to claim 3, wherein: the top of the I-shaped connecting plate (2) is fixedly connected with two second gas springs (29), two first top plates (30) are fixedly connected to the top ends of the second gas springs (29), two first supporting blocks (31) are fixedly connected to the outer ends of the first top plates (30), the supporting blocks (31) are used for supporting the rotating roller (4), the rotating roller (4) is rotatably connected to the top of each supporting block (31), two first guide blocks (32) are fixedly connected to the bottom of each first top plate (30) jointly, two L-shaped extrusion plates (33) are fixedly connected to the bottom of each first rack (21), and the L-shaped extrusion plates (33) are used for extruding the two first guide blocks (32) respectively.

5. A forging blank preheating device for hydraulic hose joint production process according to claim 4, wherein: two equal fixedly connected with friction roller (34) on live-rollers (4) surface, two friction roller (34) are connected through friction area (35) transmission, live-rollers (4) outer end fixedly connected with driving motor (36), driving motor (36) are through L type fixed plate (37) fixed connection on the lateral wall of supporting shoe (31).