CN211518830U - Material supply tractor is rolled up to printing heat transfer machine laser film - Google Patents

Abstract

The utility model discloses a laser film roll feeding tractor for a printing heat transfer machine, which comprises a frame, wherein both sides of the rear part of the frame are provided with rear universal wheels, and both sides of the front part of the frame are provided with front universal wheels; the frame is internally provided with a positioning shaft, two ends of the positioning shaft are respectively provided with a main hydraulic cylinder, the front part of each main hydraulic cylinder is provided with a main piston rod, the front end of each main piston rod is provided with a main butt joint pipe, the main butt joint pipes are provided with positioning frames, and an unreeling roller is arranged between the positioning frames; the rear part of the main hydraulic cylinder is provided with an auxiliary butt joint pipe which is connected with the positioning shaft through a rotary adjusting locking piece; the rotary adjusting locking piece comprises a pair of sleeve frames, one end of each sleeve frame is provided with a fixing sleeve, the fixing sleeves are fixed at the end parts of the auxiliary butt joint pipes, the other ends of the sleeve frames are provided with lock sleeves, lock grooves are axially arranged on the lock sleeves, and the lock sleeves are sleeved on the outer peripheral surfaces of the positioning shafts through the lock grooves. The utility model discloses it is better to unreel the cylinder and carry out the lift adjustment flexibility, makes to unreel the cylinder and unreel laser film more in a flexible way.

Description

Material supply tractor is rolled up to printing heat transfer machine laser film

Technical Field

The utility model relates to a feed tractor, in particular to printing heat transfer machine laser film rolls up feed tractor.

Background

The heat transfer machine is a general name of machines used in the heat transfer technology, and comprises a plane pyrograph machine, a high-pressure pyrograph machine, a swinging pyrograph machine, a cup baking machine, a baking tray machine, a cap baking machine and other heat transfer machines. The range of printing can be widely including plane pyrograph, and also including curved pyrograph such as cups, plates and hats, and the thermal transfer printing is a new technology and just steps into the positive rail. The laser film is generally divided from the composition of product components by adopting a computer dot matrix photoetching technology, a 3D true color holographic technology, a multiple and dynamic imaging technology and the like, and laser film products can be roughly divided into an OPP laser film, a PET laser film and a PVC laser film. Laser packaging is a subdivision industry in the packaging industry, and rapid development is achieved, compared with other products in the packaging industry, the laser packaging material not only has novel and beautiful appearance effect, but also has high-technology anti-counterfeiting function, and is called as the forefront technical product in the world packaging printing industry. The application field of the laser material is very wide, and the laser material is rapidly popularized in the industries of food, medicine, daily chemical products, cigarette and wine, clothes, gift packaging, decorative materials and the like. The tractor is a common large truck or semi-trailer which is towed by tools between a truck head and a truck bed, namely, the truck head can be separated from the original truck bed to tow other truck beds, and the truck bed can also be separated from the original truck head to be towed by other truck heads. The front of the trailer is provided with a driving capability to call a tractor, and the rear of the trailer is provided with a trailer without the driving capability, and the trailer is dragged away by the tractor. The traditional traction device is inconvenient to unreel the laser film, the laser film is inconvenient to convey to the thermal transfer printer, the conveying stability of the laser film is poor, and the conveying efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problem that prior art exists to provide one kind and carry out lift adjustment flexibility better to unreeling the cylinder, can finely tune the height that unreels the cylinder, make and unreel the cylinder and unreel the printing heat transfer machine laser film roll up feed tractor of laser film more nimble.

The above technical problem of the present invention can be solved by the following technical solutions:

a laser film roll feeding tractor for a printing heat transfer machine comprises a frame, wherein rear universal wheels are arranged on two sides of the rear part of the frame, and front universal wheels are arranged on two sides of the front part of the frame; the frame is internally provided with a positioning shaft, two ends of the positioning shaft are respectively provided with a main hydraulic cylinder, the front part of each main hydraulic cylinder is provided with a main piston rod, the front end of each main piston rod is provided with a main butt joint pipe, the main butt joint pipes are provided with positioning frames, and an unreeling roller is arranged between the positioning frames; the rear part of the main hydraulic cylinder is provided with an auxiliary butt joint pipe which is connected with the positioning shaft through a rotary adjusting locking piece; the rotary adjusting locking piece comprises a pair of sleeve frames, one end of each sleeve frame is provided with a fixing sleeve, the fixing sleeves are fixed at the end parts of the auxiliary butt joint pipes, the other ends of the sleeve frames are provided with lock sleeves, lock grooves are axially formed in the lock sleeves, and the lock sleeves are sleeved on the outer peripheral surfaces of the positioning shafts through the lock grooves; the lateral part of lock sleeve is equipped with the guide cylinder, and the inboard of lock sleeve is equipped with the lock hoop, and the lock hoop is installed at the outer peripheral face of location axle, and the inner peripheral face cover of guide cylinder is equipped with the lock pipe, and the inner of lock pipe is connected with the lock hoop, and the outer end of lock pipe is equipped with the lock cap.

Furthermore, the lock tube is of a tubular structure, the lock shaft is sleeved in the lock tube and is in threaded connection with the lock tube, the inner end of the lock shaft penetrates through the middle of the lock hoop, the inner end of the lock shaft is locked with the outer peripheral surface of the positioning shaft, the outer end of the lock shaft penetrates through the middle of the lock cap, the outer end of the lock shaft is provided with an adjusting cap, and the adjusting cap is installed in front of the lock cap.

Further, the back of lock hoop is equipped with fixed pipe, and the one end of fixed pipe and the back connection of lock hoop, the other end of fixed pipe are equipped with interior location shell, and the front end of lock pipe is equipped with the shell of transferring outward soon, and the inside of transferring the shell outward soon is the cavity structure, and the front portion of transferring the shell outward soon is equipped with the opening, and the other end of fixed pipe passes the opening, and interior location shell is installed in transferring the shell outward soon.

Furthermore, the inner positioning shell and the outer rotary adjusting shell are both spherical, the pipe diameter of the fixing pipe is smaller than the diameter of the opening, the spherical diameter of the inner positioning shell is larger than the diameter of the opening, and the spherical diameter of the inner positioning shell is smaller than the spherical diameter of the outer rotary adjusting shell; the sphere diameter of the inner positioning shell is larger than the pipe diameter of the lock pipe.

Furthermore, a rubber anti-collision block is arranged in the middle of the back of the inner positioning shell and is arranged in the front axial direction of the lock tube; the length of the rubber anti-collision block is greater than the pipe diameter of the lock pipe.

Furthermore, the external rotation adjusting shell comprises a front positioning shell and a rear positioning shell, the front positioning shell is connected with the rear positioning shell through threads, the front surface of the rear positioning shell is connected with the front positioning shell, and the back surface of the rear positioning shell is a plane.

Furthermore, the positioning frame comprises a pair of fixing sheets which are arranged in parallel, one end of each fixing sheet is connected with the end part of the main butt joint pipe, and the other end of each fixing sheet is sleeved on the peripheral surface of the end part of the unwinding roller; both ends of the unreeling roller are provided with fixing caps which are arranged at the outer side positions of the fixing pieces.

Furthermore, the unreeling roller comprises an unreeling roller body, concave ring grooves are formed in the peripheral faces of the two ends of the unreeling roller body, and the other end of the fixing piece is sleeved in the concave ring grooves.

Furthermore, both ends of the unwinding roller body are provided with positioning sleeves, the positioning sleeves are internally provided with plane bearings facing towards the surface, a limiting spring is arranged between the plane bearings and the positioning sleeves, and the plane bearings and the limiting spring are sleeved on the outer peripheral surface of the unwinding roller body.

Furthermore, the inside of frame is equipped with the cavity, and the top surface of frame is open structure, and the bottom both sides of frame all are equipped with the fixed plate, and the location axle is installed between the fixed plate.

The laser film roll feeding tractor for the printing heat transfer machine adopts the technical scheme, the unwinding roller unwinds the laser film, the tractor is pushed to the front of the printing heat transfer machine, the unwinding roller conveys the laser film to the printing heat transfer machine, the movement flexibility of the tractor is greatly improved by the rear universal wheel and the front universal wheel, the inclined main hydraulic cylinder controls the main butt joint pipe through the main piston rod to realize lifting adjustment, the main butt joint pipe for the lifting adjustment drives the unwinding roller through the positioning frame to realize the lifting adjustment, the flexibility of the lifting adjustment of the unwinding roller is better, and the unwinding roller conveys the laser film to the printing heat transfer machine more flexibly; the rear part of the main hydraulic cylinder is connected with the positioning shaft through a rotation adjusting locking piece, the rotation adjusting locking piece can manually wind the peripheral surface of the positioning shaft to realize rotation fine adjustment, so that the inclination of the main hydraulic cylinder is finely adjusted, the height of the unwinding roller can be finely adjusted through the main piston rod, the main butt joint pipe and the positioning frame, the unwinding roller can more flexibly unwind a laser film, and the laser film is more stably provided for a printing heat transfer printing machine; the lock tube is controlled to move along the guide cylinder through the lock cap, and the lock tube is more firmly locked on the positioning shaft through the lock hoop, so that the adjusted lock sleeve is firmly connected on the positioning shaft, and the main hydraulic cylinder with the adjusted inclination is fixedly locked; unreel laser film more steadily.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is the utility model discloses the structural schematic diagram of printing laser film roll feed tractor for heat transfer machine.

Fig. 2 is a schematic structural view of the universal adjusting mechanism of the present invention.

Fig. 3 is a schematic structural view of the rotation adjustment locking member of the present invention.

Fig. 4 is a schematic structural diagram of the unwinding roller of the present invention.

Fig. 5 is a schematic view of the connection structure of the lock hoop and the lock tube of the present invention.

Fig. 6 is a schematic structural view of the outward turning adjusting shell of the present invention.

Fig. 7 is a schematic structural diagram of the hydraulic lifting mechanism of the present invention.

Fig. 8 is a schematic structural view of the inflation duct of the present invention.

Fig. 9 is a schematic structural view of the lock tube of the present invention.

Fig. 10 is a schematic structural diagram of the traction mechanism of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.

As shown in fig. 1 to 10, a laser film roll feeding tractor for a printing heat transfer machine comprises a frame 1, wherein rear universal wheels 2 are arranged on both sides of the rear part of the frame 1, and front universal wheels 3 are arranged on both sides of the front part of the frame 1; a positioning shaft 6 is arranged in the frame 1, main hydraulic cylinders 7 are arranged at two ends of the positioning shaft 6, a main piston rod 8 is arranged at the front part of each main hydraulic cylinder 7, a main butt joint pipe 9 is arranged at the front end of each main piston rod 8, positioning frames are arranged on the main butt joint pipes 9, and an unreeling roller 11 is arranged between the positioning frames; the rear part of the main hydraulic cylinder 7 is provided with an auxiliary butt joint pipe 13, and the auxiliary butt joint pipe 13 is connected with the positioning shaft 6 through a rotary adjusting locking piece 14; the rotary adjusting locking piece 14 comprises a pair of sleeve frames 30, one end of each sleeve frame 30 is provided with a fixing sleeve 31, the fixing sleeve 31 is fixed at the end part of the auxiliary butt joint pipe 13, the other end of each sleeve frame 30 is provided with a locking sleeve 32, the locking sleeve 32 is axially provided with a locking groove 33, and the locking sleeve 32 is sleeved on the outer peripheral surface of the positioning shaft 6 through the locking groove 33; the side of the lock sleeve 32 is provided with a guide cylinder 34, the inner side of the lock sleeve 32 is provided with a lock hoop 35, the lock hoop 35 is arranged on the outer peripheral surface of the positioning shaft 6, the inner peripheral surface of the guide cylinder 34 is sleeved with a lock tube 36, the inner end of the lock tube 36 is connected with the lock hoop 35, and the outer end of the lock tube 36 is provided with a lock cap 37.

The utility model discloses printing heat transfer machine laser film rolls up feed tractor, unreel cylinder 11 unreels the laser film, promote this tractor to the place ahead of printing heat transfer machine, unreel cylinder 11 and carry the laser film for printing heat transfer machine, the mobility flexibility of this tractor has been greatly improved with front universal wheel 3 to rear universal wheel 2, main pneumatic cylinder 7 of slope form controls main butt joint pipe 9 through main piston rod 8 and realizes lift adjustment, lift adjustment's main butt joint pipe 9 drives unreel cylinder 11 through the locating rack and realizes lift adjustment, it is better to carry out lift adjustment flexibility to unreel cylinder 11, unreel cylinder 11 more flexibly for printing heat transfer machine carry the laser film; the rear part of the main hydraulic cylinder 7 is connected with the positioning shaft 6 through a rotation adjusting locking piece 14, the rotation adjusting locking piece 14 can manually wind the peripheral surface of the positioning shaft 6 to realize rotation fine adjustment, so that the inclination of the main hydraulic cylinder 7 is finely adjusted, and the height of the unwinding roller 11 can be finely adjusted through the main piston rod 8, the main butt joint pipe 9 and the positioning frame, so that the unwinding roller 11 can unwind a laser film more flexibly, and the laser film is more stably provided for a printing heat transfer printing machine; the lock tube 36 is controlled by the lock cap 37 to move along the guide cylinder 34, the lock tube 36 is locked on the positioning shaft 6 more firmly through the lock hoop 35, so that the adjusted lock sleeve 32 is firmly connected on the positioning shaft 6, and the main hydraulic cylinder 7 with the adjusted inclination is fixedly locked; unreel laser film more steadily.

Preferably, the lock tube 36 is a tubular structure, a lock shaft 38 is sleeved in the lock tube 36, the lock shaft 38 is connected with the lock tube 36 through threads, the inner end of the lock shaft 38 penetrates through the middle part of the lock hoop 35, the inner end of the lock shaft 38 is locked and connected with the outer peripheral surface of the positioning shaft 6, the outer end of the lock shaft 38 penetrates through the middle part of the lock cap 37, the outer end of the lock shaft 38 is provided with an adjusting cap 39, and the adjusting cap 39 is installed in front of the lock cap 37; an operator controls the locking shaft 38 to rotate through the adjusting cap 39, the locking shaft 38 rotates around the locking pipe 36 to adjust, the front end of the locking shaft 38 penetrates through the middle of the locking hoop 35, the positioning shaft 6 sleeved in the locking sleeve 32 is locked and connected in a locking mode through the front end of the locking shaft 38, therefore, the locking sleeve 32 is further locked and connected on the peripheral face of the positioning shaft 6, the sleeve frame 30 after adjustment is firmly locked and connected, and the main hydraulic cylinder 7 after inclination adjustment is firmly locked and connected through the sleeve frame 30.

Preferably, a fixing tube 47 is arranged on the back of the locking hoop 35, one end of the fixing tube 47 is connected with the back of the locking hoop 35, an inner positioning shell 48 made of plastic material is arranged at the other end of the fixing tube 47, an outer rotary adjusting shell 45 is arranged at the front end of the locking tube 36, the inner part of the outer rotary adjusting shell 45 is of a cavity structure, an opening 46 is arranged at the front part of the outer rotary adjusting shell 45, the other end of the fixing tube 47 penetrates through the opening 46, and the inner positioning shell 48 is installed in the outer rotary adjusting shell 45; an operator rotates the lock pipe 36 clockwise, the lock pipe 36 rotates clockwise around the guide cylinder 34 and moves forward, the lock pipe 36 rotates to drive the outward turning adjusting shell 45 to rotate, the outward turning adjusting shell 45 rotates around the outer peripheral surface of the inner positioning shell 48, the inner positioning shell 48 is fixed, meanwhile, the lock pipe 36 moving forward pushes the inner positioning shell 48 forward through the outward turning adjusting shell 45, the inner positioning shell 48 pushes the lock hoop 35 forward through the fixing pipe 47, the lock hoop 35 is enabled to be firmly locked on the outer peripheral surface of the positioning shaft 6, the adjusted sleeve frame 30 is firmly locked, and the main hydraulic cylinder 7 with the adjusted inclination degree is firmly locked through the sleeve frame 30; the operator anticlockwise rotates the lock pipe 36, the lock pipe 36 is around 34 anticlockwise rotations of guide cylinder and realize backward movement, the rotatory shell 45 that transfers of drive outward of lock pipe 36 realizes rotating, the shell 45 is transferred outward soon and is realized rotating around the outer peripheral face of interior location shell 48, interior location shell 48 is motionless, the lock pipe 36 of backward movement transfers shell 45 through outward turning to draw interior location shell 48 in the backward pulling of shell 45 simultaneously, interior location shell 48 passes through the fixed tube 47 and draws lock hoop 35 backward, make lock hoop 35 and location axle 6 separation, thereby make things convenient for the separation and reunion to control, conveniently readjust and install.

Preferably, the inner positioning shell 48 and the outer rotary adjusting shell 45 are both spherical, the pipe diameter of the fixing pipe 47 is smaller than the diameter of the opening 46, the spherical diameter of the inner positioning shell 48 is larger than the diameter of the opening 46, and the spherical diameter of the inner positioning shell 48 is smaller than the spherical diameter of the outer rotary adjusting shell 45; the spherical diameter of the inner positioning shell 48 is larger than the pipe diameter of the lock pipe 36; the fixed pipe 47 with the pipe diameter smaller than that of the opening 46 passes through the opening 46, the inner positioning shell 48 with the ball diameter smaller than that of the outer rotary adjusting shell 45 is just clamped into the opening 46 and clamped into the outer rotary adjusting shell 45, and the inner positioning shell 48 with the ball diameter larger than that of the locking pipe 36 is limited in the outer rotary adjusting shell 45, so that the inner positioning shell 48 is prevented from falling off from the outer rotary adjusting shell 45; the safety is greatly improved.

Preferably, a rubber anti-collision block 51 is arranged at the middle position of the back of the inner positioning shell 48, and the rubber anti-collision block 51 is installed in the front axial direction of the lock tube 36; the length of the rubber anti-collision block 51 is greater than the pipe diameter of the lock pipe 36; when the lock tube 36 moves forward, the front end of the lock tube 36 can be directly mounted on the back of the inner positioning shell 48, and the rubber anti-collision block 51 can prevent the front end of the lock tube 36 from directly colliding with the back of the inner positioning shell 48, so that the buffering effect is achieved, and the service life is prolonged.

Preferably, the outward turning shell 45 includes a front positioning shell 49 and a rear positioning shell 50, the front positioning shell 49 is connected with the rear positioning shell 50 through a screw thread, the front surface of the rear positioning shell 50 is connected with the front positioning shell 49, and the back surface of the rear positioning shell 50 is a plane; the outer rotary adjusting shell 45 is positioned and locked through the front positioning shell 49 and the rear positioning shell 50, and assembly is facilitated.

Preferably, the positioning frame comprises a pair of fixing pieces 10 arranged in parallel, one end of each fixing piece 10 is connected with the end of the main butt joint pipe 9, and the other end of each fixing piece 10 is sleeved on the outer peripheral surface of the end of the unwinding roller 11; fixing caps 12 are arranged at two ends of the unreeling roller 11, and the fixing caps 12 are arranged at the outer side parts of the fixing pieces 10; the end of the unreeling roller 11 is firmly sleeved by the fixing sheet 10, and the fixing sheet 10 is more firmly installed on the end of the unreeling roller 11 by the fixing cap 12.

Preferably, the unwinding roller 11 comprises an unwinding roller body 40, concave ring grooves 41 are formed in the outer peripheral surfaces of the two ends of the unwinding roller body 40, and the other end of the fixing piece 10 is sleeved at the concave ring grooves 41; the unwinding roller body 40 is used for positioning and sleeving the other end of the fixing piece 10 through the concave ring groove 41, and installation is convenient.

Preferably, both ends of the unwinding roller body 40 are provided with positioning sleeves 42, the positioning sleeves 42 are provided with plane bearings 43 facing inwards, a limiting spring 44 is arranged between the plane bearings 43 and the positioning sleeves 42, and the plane bearings 43 and the limiting spring 44 are sleeved on the outer peripheral surface of the unwinding roller body 40; the positioning sleeve 42 limits the plane bearing 43 through a limiting spring 44, and the impact buffering force of the plane bearing 43 is improved through the limiting spring 44; the two ends of the unreeling roller body 40 are limited and controlled through the plane bearing 43, and the two ends of the unreeling roller body 40 in the rotating process are flexibly limited.

Preferably, a cavity 4 is arranged inside the frame 1, the top surface of the frame 1 is of an open structure, fixing plates 5 are arranged on two sides of the bottom of the frame 1, and a positioning shaft 6 is arranged between the fixing plates 5; the fixing plate 5 is used to fix and mount the two ends of the positioning shaft 6.

Example one

A rear underframe 15 is arranged at the rear part of the frame 1, rear side frames 16 are arranged at the lower parts of the two ends of the rear underframe 15, a universal coupling 17 is axially arranged on the rear universal wheel 2, and the universal coupling 17 is arranged at the bottom of the rear side frame 16; the front part of the frame 1 is provided with a universal adjusting mechanism, the universal adjusting mechanism comprises a positioning frame 18, and the positioning frame 18 is arranged at the front part of the frame 1; a cross frame 19 is arranged below the positioning frame 18, mounting shafts 23 are arranged at two ends of the cross frame 19, and a front universal wheel body 24 is mounted on the mounting shafts 23; the two ends of the cross frame 19 are provided with adjusting blocks 20, the adjusting blocks 20 are provided with buckling frames 21, the tops of the buckling frames 21 are provided with buckling parts 22, the buckling frames 21 are buckled on the inner side parts of the positioning frames 18, and the buckling parts 22 are buckled on the tops of the positioning frames 18. The rear universal wheel 2 can move more flexibly through the universal coupling 17, and the rear universal wheel 2 can be adjusted more flexibly; the front part of the frame 1 is flexibly moved and adjusted through the front universal wheel body 24, and the adjusting block 20 is firmly buckled on the inner side part of the positioning frame 18 through the buckling frame 21 and the buckling part 22 so as to firmly install the cross frame 19.

Preferably, the front parts of the two ends of the cross frame 19 are provided with positioning blocks 25, the front parts of the positioning blocks 25 are provided with adjusting arms 26, butt joint shafts 27 are arranged between the front ends of the adjusting arms 26, and the peripheral surfaces of the butt joint shafts 27 are sleeved with traction rollers 28; the traction roller 28 can also wind a traction belt, the traction roller 28 is pulled by a person through the traction belt to move forwards, and the traction roller 28 moves forwards and pulls the cross frame 19 through the butt joint shaft 27 and the adjusting arm 26, so that the adjustment is more flexible.

Preferably, the front part of the cross frame 19 is provided with a locking plate 29, and the locking plate 29 is locked above the traction roller 28; the upper part of the pulling roll 28 is locked by a locking tab 29.

Example two

A hydraulic lifting mechanism is arranged in the frame 1, the hydraulic lifting mechanism comprises a lifting frame 52, the lifting frame 52 is arranged in the frame 1, lifting sleeve rings 53 are arranged on the upper portions of two ends of the lifting frame 52, fastening sleeve grooves 54 are formed in the middle of the lifting sleeve rings 53, the lifting sleeve rings 53 are sleeved on the outer peripheral surface of the middle of the main hydraulic cylinder 7 through the fastening sleeve grooves 54, an auxiliary hydraulic cylinder 56 is arranged at the inner bottom of the frame 1, an auxiliary piston rod 57 is arranged on the upper portion of the auxiliary hydraulic cylinder 56, and the lifting frame 52 is arranged at the end portion of the auxiliary piston; the auxiliary hydraulic cylinder 56 controls the lifting frame 52 through the auxiliary piston rod 57 to realize vertical lifting adjustment, the lifting frame 52 drives the lifting sleeve ring 53 to realize vertical lifting adjustment, the middle part of the main hydraulic cylinder 7 is subjected to vertical lifting fine adjustment through the lifting sleeve ring 53, and the rear end of the main hydraulic cylinder 7 is rotatably adjusted around the peripheral surface of the positioning shaft 6; the adjustment of the inclination of the master cylinder 7 is more flexible.

Preferably, an air inflation pipeline is arranged inside the lifting frame 52, a main air bag 59 is arranged on the inner peripheral surface of the lifting lantern ring 53, the main air bag 59 is annular, the main air bag 59 is sleeved on the outer peripheral surface of the main hydraulic cylinder 7, a main air pump 62 is arranged on the bottom surface of the lifting frame 52, one end of the air inflation pipeline is communicated with the main air bag 59, and the other end of the air inflation pipeline is communicated with the main air pump 62; the main inflator 62 inflates the inflation pipe, the inflation pipe inflates the main airbag 59, the main airbag 59 inflates and expands and tightly covers the outer circumferential surface of the main hydraulic cylinder 7, so that the lifting collar 53 is firmly sleeved on the outer circumferential surface of the main hydraulic cylinder 7, and the lifting collar 53 is prevented from being separated from the main hydraulic cylinder 7.

Preferably, the inflation pipeline comprises an inflation pipeline 58, the inflation pipeline 58 is installed in the lifting frame 52, the tops of two ends of the lifting frame 52 are provided with auxiliary inflation pipes 60, one ends of the auxiliary inflation pipes 60 are communicated with the main air bag 59, the other ends of the auxiliary inflation pipes 60 are communicated with the inflation pipeline 58, the bottom of the lifting frame 52 is internally provided with a main inflation pipe 61, one end of the main inflation pipe 61 is communicated with a main inflation pump 62, and the other end of the main inflation pipe 61 is communicated with the inflation pipeline 58; the main inflator 62 inflates the air duct 58 through the main inflation pipe 61, the air duct 58 inflates the main bag 59 through the sub inflation pipe 60, and the main bag 59 inflates and tightly covers the outer peripheral surface of the master cylinder 7.

Preferably, the lifting frame 52 is provided with a lifting seat 55 at the upper part of both ends, and the lifting lantern ring 53 is installed on the lifting seat 55; the lifting collars 53 are fixedly mounted by the lifting base 55, so that the lifting collars 53 are firmly mounted on both ends of the lifting frame 52.

Preferably, the auxiliary inflating pipe 60 is provided with an auxiliary one-way valve 63, the main inflating pipe 61 is provided with a main one-way valve 64, the outer side of the lifting frame 52 is provided with a liquid storage bin 65, a metal repairing agent is arranged in the liquid storage bin 65, the top of the liquid storage bin 65 is provided with a sealing cover 66, a liquid outlet needle 67 is led out of the bottom of the liquid storage bin 65, the bottom of the liquid storage bin 65 is provided with a liquid outlet pump 68, the inner end of the liquid outlet needle 67 is connected with the liquid outlet pump 68, and the outer end of the liquid outlet needle 67 is arranged in the; the auxiliary one-way valve 63 ensures that the auxiliary inflating pipe 60 can only inflate and can not enter liquid, the auxiliary one-way valve 63 inflates and expands to inflate, and the auxiliary one-way valve 63 is closed or liquid flows in; the main check valve 64 enables the main inflation pipe 61 to be inflated only and not to enter liquid, the main check valve 64 is inflated to be opened so as to realize inflation, and the main check valve 64 is closed or liquid flows in; the metal repairing agent in the liquid storage bin 65 is conveyed into the liquid outlet needle 67 through the liquid outlet pump 68, and the metal repairing agent is conveyed into the air vent pipe 58 made of a metal material through the liquid outlet needle 67, so that the air leakage position on the inner surface of the air vent pipe 58 is repaired, and the service life of the air vent pipe 58 is greatly prolonged.

Preferably, the inner bottom of the liquid storage bin 65 is provided with a flow deflector 69, the flow deflector 69 is in an arc shape, and the lower part of the flow deflector 69 is connected with a liquid outlet pump 68; the metal repairing agent in the liquid storage bin 65 flows to the position of the liquid outlet pump 68 through the flow deflector 69, so that the liquid outlet pump 68 can convey the metal repairing agent into the liquid outlet needle 67 more smoothly.

Preferably, the aperture of the inner end of the liquid outlet needle 67 is larger than that of the outer end of the liquid outlet needle 67; the liquid outlet needle 67 can output the metal repairing agent more conveniently.

Preferably, the liquid outlet needle 67 is inclined; the liquid outlet needle 67 is convenient to convey the metal repairing agent in the high liquid storage bin 65 to the lower vent pipeline 58.

EXAMPLE III

The inner facing surface of the lock hoop 35 is provided with an auxiliary air bag 70, the cross section of the auxiliary air bag 70 is arc-shaped, the auxiliary air bag 70 is installed on the outer peripheral surface of the positioning shaft 6, an inflation cavity 71 is arranged inside the pipe wall of the lock pipe 36, a limiting pipe 72 is arranged at the outer side part of the lock pipe 36, a fixed seat 73 is arranged at the outer side of the limiting pipe 72, an auxiliary inflator pump 74 is arranged on the fixed seat 73, the auxiliary inflator pump 74 is communicated with one end of the inflation cavity 71 through an air inlet pipe 76, and the auxiliary air bag 70 is communicated with the other end of the inflation cavity 71 through; starting the auxiliary inflator 74, wherein the auxiliary inflator 74 supplies air to the inflation cavity 71 through the air inlet pipe 76, the inflation cavity 71 inflates the auxiliary airbag 70 through the air outlet pipe 75, and the auxiliary airbag 70 expands and is tightly installed on the outer peripheral surface of the positioning shaft 6, so that the lock collar 35 is firmly installed on the outer peripheral surface of the positioning shaft 6; make the installation of lock hoop 35 more firm, make the rotation regulation latch fitting 14 after adjusting more firm with location axle 6 is fixed, rotation regulation latch fitting 14 carries out fixed mounting through vice butt joint pipe 13 to the master cylinder 7 after adjusting.

Example four

The axial positions of two ends of the main butt joint pipe 9 are respectively provided with a plug pipe 77, the front parts of two ends of the plug pipe 77 are provided with a traction mechanism, the traction mechanism comprises a traction frame 78, the rear part of the traction frame 78 is connected with the lateral part of the outer end of the plug pipe 77, the front part of the traction frame 78 is provided with a bending part 79, the rear part of the bending part 79 is provided with a rear fixing disc 80, the front part of the bending part 79 is provided with a front fixing disc 81, the middle part of the bending part 79 is provided with a middle fixing disc 82, a rear traction roller 83 is arranged between the rear fixing discs 80, a front traction roller 84 is arranged between the front fixing discs 81, a middle transmission roller 85 is arranged between the middle fixing discs 82, the rear traction roller 83 is arranged in front of the unwinding roller 11, and the; the unwinding roller 11 unwinds the laser film, the laser film is wound around the rear traction roller 83, the middle transmission roller 85 and the front traction roller 84, and the rear traction roller 83, the middle transmission roller 85 and the front traction roller 84 which are arranged in a triangular shape carry out curve traction conveying on the laser film conveyed by the unwinding roller 11, so that the laser film is prevented from being rolled in the forward conveying process, and the forward conveying stability of the laser film is better.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims (10)

1. A laser film roll feeding tractor for a printing heat transfer machine comprises a frame, wherein rear universal wheels are arranged on two sides of the rear part of the frame, and front universal wheels are arranged on two sides of the front part of the frame;

the method is characterized in that: the frame is internally provided with a positioning shaft, two ends of the positioning shaft are respectively provided with a main hydraulic cylinder, the front part of each main hydraulic cylinder is provided with a main piston rod, the front end of each main piston rod is provided with a main butt joint pipe, the main butt joint pipes are provided with positioning frames, and an unreeling roller is arranged between the positioning frames; the rear part of the main hydraulic cylinder is provided with an auxiliary butt joint pipe which is connected with the positioning shaft through a rotary adjusting locking piece;

the rotary adjusting locking piece comprises a pair of sleeve frames, one end of each sleeve frame is provided with a fixing sleeve, the fixing sleeves are fixed at the end parts of the auxiliary butt joint pipes, the other ends of the sleeve frames are provided with lock sleeves, lock grooves are axially formed in the lock sleeves, and the lock sleeves are sleeved on the outer peripheral surfaces of the positioning shafts through the lock grooves; the lateral part of lock sleeve is equipped with the guide cylinder, and the inboard of lock sleeve is equipped with the lock hoop, and the lock hoop is installed at the outer peripheral face of location axle, and the inner peripheral face cover of guide cylinder is equipped with the lock pipe, and the inner of lock pipe is connected with the lock hoop, and the outer end of lock pipe is equipped with the lock cap.

2. The laser film roll feeding tractor for the printing heat transfer printer according to claim 1, characterized in that: the lock tube is of a tubular structure, a lock shaft is sleeved in the lock tube and is in threaded connection with the lock tube, the inner end of the lock shaft penetrates through the middle of the lock hoop, the inner end of the lock shaft is locked and connected with the outer peripheral surface of the positioning shaft, the outer end of the lock shaft penetrates through the middle of the lock cap, an adjusting cap is arranged at the outer end of the lock shaft, and the adjusting cap is installed in front of the lock cap.

3. The laser film roll feeding tractor for the printing heat transfer printer according to claim 1, characterized in that: the back of lock hoop is equipped with fixed pipe, and the one end of fixed pipe and the back connection of lock hoop, the other end of fixed pipe are equipped with interior location shell, and the front end of lock pipe is equipped with the shell of transferring outward soon, and the inside of transferring the shell outward soon is the cavity structure, and the front portion of transferring the shell outward soon is equipped with the opening, and the other end of fixed pipe passes the opening, and interior location shell is installed in transferring the shell outward soon.

4. The laser film roll feeding tractor for the printing heat transfer printer according to claim 3, characterized in that: the inner positioning shell and the outer rotary adjusting shell are both spherical, the pipe diameter of the fixing pipe is smaller than the diameter of the opening, the spherical diameter of the inner positioning shell is larger than the diameter of the opening, and the spherical diameter of the inner positioning shell is smaller than the spherical diameter of the outer rotary adjusting shell; the sphere diameter of the inner positioning shell is larger than the pipe diameter of the lock pipe.

5. The laser film roll feeding tractor for the printing heat transfer printer according to claim 3, characterized in that: the middle position of the back of the inner positioning shell is provided with a rubber anti-collision block, and the rubber anti-collision block is arranged in the front axial direction of the lock tube; the length of the rubber anti-collision block is greater than the pipe diameter of the lock pipe.

6. The laser film roll feeding tractor for the printing heat transfer printer according to claim 3, characterized in that: the outer rotary adjusting shell comprises a front positioning shell and a rear positioning shell, the front positioning shell is connected with the rear positioning shell through threads, the front surface of the rear positioning shell is connected with the front positioning shell, and the back surface of the rear positioning shell is a plane.

7. The laser film roll feeding tractor for the printing heat transfer printer according to claim 1, characterized in that: the positioning frame comprises a pair of fixing sheets which are arranged in parallel, one end of each fixing sheet is connected with the end part of the main butt joint pipe, and the other end of each fixing sheet is sleeved on the peripheral surface of the end part of the unreeling roller; both ends of the unreeling roller are provided with fixing caps which are arranged at the outer side positions of the fixing pieces.

8. The laser film roll feeding tractor for the printing heat transfer printer according to claim 7, characterized in that: the unwinding roller comprises an unwinding roller body, concave ring grooves are formed in the peripheral faces of the two ends of the unwinding roller body, and the other end of the fixing piece is sleeved in the concave ring grooves.

9. The laser film roll feeding tractor for the printing heat transfer printer according to claim 8, wherein: the two ends of the unwinding roller body are both provided with positioning sleeves, the positioning sleeves are internally provided with plane bearings facing the surface, limiting springs are arranged between the plane bearings and the positioning sleeves, and the plane bearings and the limiting springs are sleeved on the outer peripheral surface of the unwinding roller body.

10. The laser film roll feeding tractor for the printing heat transfer printer according to claim 1, characterized in that: the inside of frame is equipped with the cavity, and the top surface of frame is open structure, and the bottom both sides of frame all are equipped with the fixed plate, and the location axle is installed between the fixed plate.

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