CN210192742U

CN210192742U - Upper pipe shifting device for insulating pipe production line and upper pipe assembly applying same

Info

Publication number: CN210192742U
Application number: CN201920750810.7U
Authority: CN
Inventors: Guangyuan Li; 李光远; Nan Li; 李楠
Original assignee: Tianjin Jinye Technology Co Ltd
Current assignee: Tianjin Jinye Technology Co Ltd
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-03-27
Anticipated expiration: 2029-05-23

Abstract

The utility model provides a heat preservation pipe production line top tube pipe shifter and top tube subassembly using the pipe shifter, the heat preservation pipe production line top tube pipe shifter comprises a pipe shifting arm, a connecting rod and a pipe bearing arm which are hinged in sequence, the pipe shifting arm and the pipe bearing arm are also hinged on a pipe fitting conveying line, the pipe bearing arm is lifted and placed, the pipe shifting arm can be driven by the connecting rod to swing up and down around the hinged part on the pipe fitting conveying line, and the top tube of the previous pipe fitting and the blocking of the next pipe fitting are simultaneously completed; the pipe shifting arm comprises a first pipe blocking part, a transition section and a second pipe blocking part; the pipe bearing arm is hinged with the output end of a lifting power device and is driven by the lifting power device to lift; the pipe feeding assembly of the pipe feeding and pulling device applied to the heat preservation pipe production line comprises a plurality of groups of pipe feeding and pulling devices applied to the heat preservation pipe production line. The utility model discloses a study the utility model discloses a this top tube pipe shifter, can carry out the top tube of preceding pipe fitting simultaneously and the blockking of a back pipe fitting, and each part mutual independence, can the pertinence change when one of them damages to effectively save the cost, and can satisfy the top tube of multiple specification pipe fitting or block.

Description

Upper pipe shifting device for insulating pipe production line and upper pipe assembly applying same

Technical Field

The utility model relates to an auxiliary device technical field for the insulating tube production line especially relates to an insulating tube production line top tube shifting device and applied this shifting device's top tube subassembly.

Background

The pipe shifting device is one of important auxiliary devices for ensuring the transfer and conveying of pipe fittings on a production line of the heat preservation pipe. The existing pipe shifting device is multiple, but the upper pipe of a previous pipe and the blocking of a later pipe cannot be carried out simultaneously, the single upper pipe is difficult, the applicability is low, the good upper pipes of various specifications of pipes are difficult to realize, and therefore the structure of the pipe shifting device needs to be continuously improved for meeting the upper pipe requirement of a heat preservation pipe production line.

Disclosure of Invention

The utility model discloses a main aim at solves the problem that exists among the prior art, provides a simple and practical, can carry out the top tube of preceding pipe fitting simultaneously and the stopping of a back pipe fitting, and each part mutual independence, but the pertinence is changed when one of them damages to effectively save the cost, and can satisfy the top tube of multiple specification pipe fitting or block, guarantee the top tube group ware and use the top tube subassembly of this group ware on the insulating tube production line of this top tube group ware's suitability.

In order to solve the technical problem, the utility model discloses a technical scheme is: a heat preservation pipe production line pipe loading and pulling device comprises a pipe loading arm, a connecting rod and a pipe bearing arm which are sequentially hinged, wherein the pipe loading arm and the pipe bearing arm are also hinged on a pipe conveying line, the pipe bearing arm is lifted and placed, the pipe loading arm can be driven by the connecting rod to swing up and down around the hinged position of the pipe loading arm on the pipe conveying line, and the upper pipe of the previous pipe and the blocking of the next pipe are completed simultaneously;

the pipe shifting arm comprises a first pipe blocking part, a transition section and a second pipe blocking part, the first pipe blocking part and the second pipe blocking part are both connected to the transition section, the first pipe blocking part protrudes out of the lower surface of the transition section, the second pipe blocking part protrudes out of the upper surface of the transition section, the initial end of the transition section is hinged to a pipe conveying line, and the tail end of the transition section is hinged to a connecting rod;

the pipe bearing arm is hinged to the output end of a lifting power device and is driven to lift by the lifting power device.

Furthermore, the pipe bearing arm is composed of a declination section, a pipe supporting section and an auxiliary section which are integrally formed, a trapezoid pipe containing groove with a wide upper part and a narrow lower part is formed among the declination section, the pipe supporting section and the auxiliary section, the starting end of the declination section is hinged to the tail end of the connecting rod, the declination section is hinged to the pipe conveying line, and the pipe supporting section is hinged to the output end of the lifting power device.

Furthermore, the first blocking pipe part can be connected to the initial end of the transition section in an inserting mode, and the upper pipe of the pipe fitting with the corresponding specification is pulled by the pipe pulling arm and blocked by adjusting the inserting length of the first blocking pipe part.

Furthermore, the first blocking pipe part is locked on the transition section through a locking part.

Furthermore, set up the screw hole on the diapire of fender portion, set up the through-hole on the changeover portion diapire, the retaining member sets up to the screw rod, the screw rod is by lower supreme cooperation pass through-hole and screw hole locking fender portion one in proper order.

Furthermore, a threaded hole is formed in the side wall of the first blocking pipe part, a through hole is formed in the side wall of the transition section, the locking part is a bolt, and the bolt sequentially penetrates through the through hole and the threaded hole to lock the first blocking pipe part from outside to inside.

Furthermore, all set up the through-hole on fender pipe portion one and the changeover portion lateral wall, the retaining member sets up to the bolt, the bolt cooperatees and passes through-hole locking fender pipe portion one.

Furthermore, the side wall of the second pipe retaining part far away from the connecting rod is in a curved surface shape.

The utility model provides an use last pipe subassembly of insulating tube production line last pipe shifter, wherein use last pipe subassembly of insulating tube production line last pipe shifter includes that multiunit insulating tube production line last pipe shifter, multiunit insulating tube production line last pipe shifter coaxial line and adjacent setting in pipe fitting transfer chain end to carry out the last pipe of multiple length specification pipe fitting.

Furthermore, the pipe pushing devices on adjacent insulation pipe production lines can be connected through a linkage shaft, and the linkage shaft is hinged with the output end of a lifting power device so as to drive the pipe pushing devices on multiple groups of insulation pipe production lines to simultaneously lift.

The utility model has the advantages and positive effects that:

(1) the pipe bearing arm is pushed to swing up and down around the hinged position of the pipe bearing arm on the pipe fitting conveying line by the lifting power device, when the pipe bearing arm swings upwards, the connecting rod is matched with the pipe shifting arm, the pipe shifting arm rotates clockwise around the hinged position of the pipe bearing arm on the pipe fitting conveying line, the pipe blocking part I gradually faces upwards to block the next pipe fitting, the pipe blocking part II faces downwards, the previous pipe fitting between the transition section and the pipe blocking part II in situ rolls onto the pipe bearing arm along the connecting rod when the pipe blocking part II faces downwards, the pipe loading process is completed once, when the pipe bearing arm swings downwards, the connecting rod is matched with the pipe shifting arm to enable the pipe shifting arm to rotate anticlockwise around the hinged position of the pipe bearing arm on the pipe fitting conveying line, the pipe blocking part I gradually faces downwards to release the next pipe fitting, the pipe blocking part II faces upwards to block the next pipe fitting, and the next pipe loading is prepared by matching the pipe shifting arm, the connecting rod and the pipe bearing arm, the single pipe installing action of the pipe fitting can be realized, in addition, due to the mutually independent design of each part, the pipe fitting can be pertinently replaced when one part is damaged, and therefore the cost is effectively saved.

(2) Drive through lift power device and trusteeship section lift, the section of downleaning on swings about its articulated department on the pipe fitting transfer chain, and carry out the top tube of preceding pipe fitting and the blockking of a back pipe fitting simultaneously by dialling the pipe arm under the assistance of connecting rod, the section structure of downleaning on can guarantee that the pipe fitting rolls smoothly on holding the pipe arm, and the section of downleaning on, the narrow trapezoidal pipe fitting holds the recess under the last width that trusteeship section and supplementary section cooperation formed, then can realize the good bearing to the pipe fitting, reduce the risk that drops when it rolls.

(3) Through will dialling the design of pipe arm and being the adjustable length structure that inserts of fender portion one on the changeover portion for should dialling the pipe arm and can carrying out length control, can satisfy the top tube of multiple specification pipe fitting or block, improved the suitability of this top tube pipe shifter.

Drawings

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

Fig. 2 is a schematic view of the construction of the arm portion of the dip tube of fig. 1.

FIG. 3 is a schematic view of the transition section and the baffle portion of FIG. 2.

Fig. 4 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 5 is a schematic view of the construction of the arm portion of the dip tube of fig. 4.

Fig. 6 is a schematic structural diagram of a third embodiment of the present invention.

Fig. 7 is a schematic view of the construction of the arm portion of the dip tube of fig. 6.

Fig. 8 is a schematic structural diagram of a pipe pulling arm portion in the fourth embodiment of the present invention.

Fig. 9 is a schematic view of the connection structure of the pipe pusher and the pipe conveying line on the production line of the thermal insulation pipe of the present invention.

Fig. 10 is a schematic structural diagram of a fifth embodiment of the present invention.

Fig. 11 is a schematic structural diagram of a sixth embodiment of the present invention.

Fig. 12 is another schematic structural diagram of a sixth embodiment of the present invention.

Fig. 13 is another schematic structural diagram of a sixth embodiment of the present invention.

In the figure: pipe pushing arm 10, pipe blocking part I101, threaded hole 1011, transition section 102, through hole 1021, pipe blocking part II 103, connecting rod 20, pipe bearing arm 30, declination section 301, pipe supporting section 302, auxiliary section 303, trapezoidal pipe fitting containing groove 304, lifting power device 40, hinge shaft 50, mounting hole 60, locking part 70, threaded insert rod 701, bolt 702, bolt 703, pipe fitting conveying line 80 and linkage shaft 90.

Detailed Description

For a better understanding of the present invention, the following further description is given in conjunction with the following embodiments and accompanying drawings.

Example one

As shown in fig. 1, fig. 2, fig. 3 and fig. 9, the tube loading and pulling device for the production line of the heat preservation tube comprises a tube pulling arm 10, a connecting rod 20 and a tube bearing arm 30 which are sequentially hinged, wherein the tube pulling arm 10 and the tube bearing arm 30 are also hinged on a tube fitting conveying line 80, the tube bearing arm 30 is lifted and placed, the tube pulling arm 10 can be driven by the connecting rod 20 to swing up and down around the hinged position of the tube pulling arm on the tube fitting conveying line 80, and the blocking of the upper tube of the previous tube fitting and the blocking of the next tube fitting are simultaneously completed;

the pipe shifting arm 10 comprises a first pipe blocking part 101, a transition section 102 and a second pipe blocking part 103, wherein the first pipe blocking part 101 and the second pipe blocking part 103 are connected to the transition section 102, the first pipe blocking part 101 protrudes out of the lower surface of the transition section 102, the second pipe blocking part 103 protrudes out of the upper surface of the transition section 102, the initial end of the transition section 102 is hinged to the pipe fitting conveying line 80, and the tail end of the transition section 102 is hinged to the connecting rod 20;

the pipe bearing arm 30 is hinged at the output end of a lifting power device 40 and is driven to lift, the pipe bearing arm 30 is pushed by the lifting power device 40 to swing up and down around the hinged position of the pipe bearing arm 30 on the pipe fitting conveying line 80, when the pipe bearing arm 30 swings upwards, the connecting rod 20 is matched with the pipe shifting arm 10, the pipe shifting arm 10 rotates clockwise around the hinged position of the pipe shifting arm on the pipe fitting conveying line 80, at the moment, the first pipe blocking part 101 gradually faces upwards to block the next pipe fitting, the second pipe blocking part 103 faces downwards, when the first pipe fitting between the transition section 102 and the second pipe blocking part 103 moves downwards at the second pipe blocking part 103, the first pipe blocking part 101 rolls onto the pipe bearing arm 30 along the connecting rod 20 to complete a pipe loading process, when the pipe bearing arm 30 swings downwards, the connecting rod 20 is matched with the pipe shifting arm 10, the pipe shifting arm 10 rotates anticlockwise around the hinged position of the pipe fitting conveying line 80, at the moment, the first pipe blocking part 101, the latter pipe fitting is released, the second pipe blocking part 103 faces upwards to block the latter pipe fitting so as to prepare for next pipe fitting, and the pipe pushing arm 10, the connecting rod 20 and the pipe bearing arm 30 are structurally matched to realize single pipe fitting operation.

Further, the pipe supporting arm 30 is composed of a downward inclination section 301, a supporting pipe section 302 and an auxiliary section 303 which are integrally formed, a trapezoidal pipe holding groove 304 which is wide at the top and narrow at the bottom is formed among the downward inclination section 301, the supporting pipe section 302 and the auxiliary section 303, the initial end of the downward inclination section 301 is hinged to the tail end of the connecting rod 20, the downward inclination section 301 is also hinged to the pipe conveying line 80, the supporting pipe section 302 is hinged to the output end of the lifting power device 40, the supporting pipe section 302 is driven by the lifting power device 40 to lift, the downward inclination section 301 swings up and down around the hinged position of the downward inclination section on the pipe conveying line 80, the pipe shifting arm 10 blocks the upper pipe and the next pipe at the same time under the assistance of the connecting rod 20, the downward inclination section 301 structure can ensure that the pipe rolls on the pipe supporting arm 30 smoothly, and the upward wide and narrow trapezoidal pipe holding groove 304 formed by the cooperation of the downward inclination section 301, the supporting pipe section 302 and the auxiliary section 303 can realize, reducing the risk of dropping when it rolls off.

Specifically, the hinge structures between the beginning of the transition section 102 and the pipe conveying line 80, between the end of the transition section 102 and the connecting rod 20, between the end of the connecting rod 20 and the beginning of the declined section 301, between the declined section 301 and the pipe conveying line 80, and between the carrier pipe section 302 and the lifting power device 40 can all adopt the clearance fit structure of the hinge shaft 50 and the mounting hole 60 in the prior art, the fixed hinge shafts 50 can be welded on the initial end of the transition section 102, the two ends of the connecting rod 20, the declined section 301 and the supporting section 302, the hinge shafts 50 on the initial end of the transition section 102 are matched and rotatably arranged in the mounting holes 60 on the pipe fitting conveying line 80, the hinge shafts 50 on the two ends of the connecting rod 20 are matched and rotatably arranged in the mounting holes 60 on the tail end of the transition section 102 and the initial end of the declined section 301, the hinge shafts 50 on the declined section 301 are matched and rotatably arranged in the mounting holes 60 on the pipe fitting conveying line 80, and the hinge shafts 50 on the supporting section 302 are matched and rotatably arranged in the mounting holes 60 on the lifting power device 40;

the pipe bearing arm 30 extends to the beginning of the pipe conveying line 80 in the next process in the heat preservation pipe production line, so that the pipe on the pipe bearing arm 30 is conveyed to the next process by the pipe conveying line 80 for production and processing, wherein the specific structures, working principles and the like of the heat preservation pipe production line and the pipe conveying line 80 thereof are the prior art in the field, and detailed description is omitted;

in addition, the first pipe blocking part 101, the transition section 102 and the second pipe blocking part 103 can be integrally formed, or the first pipe blocking part 101 and the second pipe blocking part 103 are fixed on the transition section 102 through welding; the side wall of the first pipe blocking part 101, which is far away from the transition section 102, is in a curved surface shape so as to reduce the abrasion to the next pipe fitting when the first pipe blocking part 101 swings up and down; the pipe pulling arm 10 and the pipe bearing arm 30 can be hollow, so that the weight of the pipe loading and pulling device is reduced, materials are saved, the power requirement of the lifting power device 40 is reduced, and the cost is saved.

Furthermore, the side wall of the second pipe blocking part 103 far away from the connecting rod 20 is curved, and the curved side wall of the second pipe blocking part 103 is designed, so that the second pipe blocking part 103 is tangent to the side wall of the pipe fitting, the blocking performance and the auxiliary pipe fitting rolling performance are guaranteed, and the damage to the pipe fitting is reduced.

Further, the lifting power device 40 may be configured as a hydraulic cylinder, specifically, the hydraulic cylinder may be a hydraulic cylinder, a hydraulic cylinder or an electric hydraulic cylinder, preferably a hydraulic cylinder, the working principle and the specific structure thereof are prior art in the field, the selection of the model and the specification thereof also needs to be calculated and determined according to the parameter selection such as the specification of the pipe fitting to be installed, the calculation method for the type selection is prior art in the field, and thus detailed description is omitted, and in addition, the lower end of the lifting power device 40 may be fixedly connected to the start end of the pipe fitting conveying line 80 in the next process in the thermal insulation pipe production line through a bolt 702.

Example two

As shown in fig. 4 and fig. 5, the difference from the first embodiment is that, further, the first pipe blocking portion 101 can be inserted and connected to the beginning end of the transition section 102, and the pipe pushing arm 10 can push and block the upper pipe of the corresponding specification pipe by adjusting the insertion length.

Further, the first pipe retaining portion 101 is locked to the transition section 102 by the locking member 70.

Further, set up screw hole 1011 on the diapire of fender pipe portion 101, set up through-hole 1021 on the diapire of changeover portion 102, retaining member 70 sets up to screw rod 701, screw rod 701 is by lower supreme cooperation pass through-hole 1021 and screw hole 1011 in proper order and lock fender pipe portion 101, through will dialling pipe arm 10 design for keeping off pipe portion 101 on changeover portion 102 adjustable insertion length structure, make this group pipe arm 10 can carry out length adjustment, can satisfy the top tube of multiple specification pipe fitting or block, the suitability of this top tube pipe shifter has been improved.

Specifically, one or more groups of threaded holes 1011 can be formed in the bottom wall of the first pipe blocking part 101; a plurality of groups of through holes 1021 can be formed in the bottom wall of the transition section 102 along the axial direction; the threaded inserted rod 701 is matched with and screwed into the threaded hole 1011, and the diameter of the threaded inserted rod 701 is smaller than that of the through hole 1021; in addition, a threaded hole 1011 can also be formed in the bottom wall of the transition section 102, so that the threaded insert rod 701 is matched from bottom to top and sequentially in threaded connection with the threaded hole 1011 in the bottom wall of the transition section 102 and the threaded hole 1011 in the bottom wall of the first blocking pipe part 101, and the first blocking pipe part 101 is fixed in the transition section 102.

EXAMPLE III

As shown in fig. 6 and 7, the difference from the second embodiment is that, furthermore, a threaded hole 1011 is formed on the sidewall of the first pipe blocking portion 101, a through hole 1021 is formed on the sidewall of the transition section 102, the locking member 70 is configured as a bolt 702, and the bolt 702 is matched from outside to inside to pass through the through hole 1021 and the threaded hole 1011 in sequence to lock the first pipe blocking portion 101.

Specifically, one or more groups of threaded holes 1011 can be formed in the side wall of the first pipe blocking part 101; a plurality of groups of through holes 1021 can be formed in the side wall of the transition section 102 along the axial direction; the bolt 702 is matched and screwed in the threaded hole 1011, and the diameter of the thread section of the bolt 702 is smaller than that of the through hole 1021; in addition, threaded holes 1011 can also be formed in the side wall of the transition section 102, so that the bolts 702 are sequentially screwed into the threaded holes 1011 formed in the side wall of the transition section 102 and the side wall of the first pipe blocking part 101 from outside to inside, and the first pipe blocking part 101 is fixed in the transition section 102.

Example four

As shown in fig. 8, the difference from the second embodiment and the third embodiment is that, further, through holes 1021 are formed on the side walls of the first pipe blocking portion 101 and the transition section 102, the locking member 70 is provided as a latch 703, and the latch 703 is matched to pass through the through holes 1021 to lock the first pipe blocking portion 101.

Specifically, one or more groups of through holes 1021 can be formed on the side wall of the first pipe blocking part 101; a plurality of groups of through holes 1021 can be formed in the side wall of the transition section 102 along the axial direction; the bolt 703 is engaged through the through hole 1021 to secure the first pipe retaining portion 101 in the transition section 102.

EXAMPLE five

As shown in fig. 10, the difference from the first to the fourth embodiments lies in that, an upper tube assembly applying the upper tube pulling device on the insulating tube production line includes a plurality of sets of upper tube pulling devices on the insulating tube production line, the plurality of sets of upper tube pulling devices on the insulating tube production line are coaxially and adjacently arranged at the tail end of the tube conveying line 80, so as to carry out the upper tubes of the tubes with various lengths, and the upper tube assembly can meet the upper tubes of the tubes with various lengths through the arrangement of the upper tube pulling devices on the plurality of sets of insulating tube production lines.

Specifically, the connection structure between the tube pulling device on the multiple groups of heat preservation tube production lines and the tail end of the tube conveying line 80 is the connection structure and connection mode between the tube pulling device on the single group of heat preservation tube production lines and the tube conveying line 80, and therefore, the description is omitted.

EXAMPLE six

As shown in fig. 11 to 13, the difference from the fifth embodiment is that, further, the tube drivers on adjacent insulating tube production lines can be connected through a linkage shaft 90, the linkage shaft 90 is hinged with the output end of the lifting power device 40 to drive the tube drivers on multiple groups of insulating tube production lines to simultaneously lift, and the linkage shaft 90 is matched with the lifting power device 40 to enable the tube drivers on multiple groups of insulating tube production lines to be driven by one group of lifting power device 40 to simultaneously lift, so as to ensure the stability of the tube loading process.

Use the utility model provides a last pipe shifting device of insulating tube production line and applied this pipe shifting device's last pipe assembly, simple and practical can carry out the top tube of preceding pipe fitting simultaneously and the stopping of a back pipe fitting, and each part mutual independence, can the pertinence change when one of them damages to effectively save the cost, and can satisfy the top tube of multiple specification pipe fitting or block, guarantee this top tube and dial device's suitability.

Taking the second embodiment as an example, the working process of the pipe lining device on the production line of the heat preservation pipe is as follows,

1. according to the diameter specification of the pipe fitting to be installed, the insertion length of the first blocking pipe part 101 on the transition section 102 is adjusted, and after the adjustment is in place, the threaded insertion rod 701 penetrates through the through hole 1021 and the threaded hole 1011 to be matched and locked with the first blocking pipe part 101 in sequence from bottom to top, so that the first blocking pipe part 101 is fixed in the transition section 102, the length of the first pipe shifting arm 10 is adjusted, and the distance from the initial end of the first blocking pipe part 101 to the second blocking pipe part 103 is ensured to accommodate the placement of only a single pipe fitting;

2. starting the pipe conveying line 80 (the control structure and principle of the pipe conveying line 80 are prior art, and therefore will not be described in detail), operating the lifting power device 40, so that the pipes to be heated are moved one by one to the pipe poking device on the production line of the heat preservation pipe, when a pipe moves to the transition section 102 in front of the second pipe blocking portion 103, the lifting power device 40 pushes the pipe bearing arm 30 to swing upwards around the hinge joint of the pipe bearing arm on the pipe conveying line 80, at this time, the connecting rod 20 and the pipe poking arm 10 are matched, so that the pipe poking arm 10 rotates clockwise around the hinge joint of the pipe bearing arm 80, at this time, the first pipe blocking portion 101 gradually moves upwards to block the next pipe, and the second pipe blocking portion 103 moves downwards, when the previous pipe positioned between the transition section 102 and the second pipe blocking portion 103 moves downwards in the second pipe blocking portion 103, the previous pipe rolls onto the pipe bearing arm 30 along the connecting rod 20, and under the action of the pipe, conveying the pipe fittings to finish the pipe fitting process for one time;

3. then, the lifting power device 40 drives the pipe bearing arm 30 to swing downwards around the hinged position of the pipe bearing arm on the pipe fitting conveying line 80, at the moment, the connecting rod 20 is matched with the pipe shifting arm 10, the pipe shifting arm 10 rotates anticlockwise around the hinged position of the pipe shifting arm on the pipe fitting conveying line 80, the first pipe blocking part 101 gradually faces downwards to release the next pipe fitting, the second pipe blocking part 103 faces upwards to block the next pipe fitting to prepare for the next pipe fitting, and therefore the blocking of the upper pipe of the previous pipe fitting and the blocking of the next pipe fitting are completed simultaneously;

4. repeating the steps 2 and 3 to finish the upper tubes of the batch of the tubes;

5. and (5) repeating the steps 1-4 to finish the upper pipes of the batch pipe fittings with different diameters.

Taking the sixth embodiment as an example, the working process of the pipe loading assembly of the pipe loading and pulling device applied to the production line of the thermal insulation pipe is as follows,

1. according to the diameter specification of the pipe fittings to be installed, the insertion length of the pipe shifter blocking pipe part I101 on the transition section 102 of each group of heat preservation pipe production line is adjusted, after the pipe fittings to be installed are adjusted in place, the threaded insertion rods 701 are matched from bottom to top and penetrate through the through holes 1021 and the threaded holes 1011 to lock the pipe blocking pipe part I101 in sequence, the pipe blocking pipe part I101 is fixed in the transition section 102, the length of the pipe shifting arm 10 is adjusted, the distance from the starting end of the pipe blocking pipe part I101 to the second pipe blocking part 103 is guaranteed to only accommodate placement of a single pipe fitting, and meanwhile, according to the length of the pipe fittings to be installed, the pipe shifters on the heat preservation pipe production line with the proper number of groups are adjacently;

2. starting the pipe conveying line 80 (the control structure and principle of the pipe conveying line 80 are prior art, and therefore will not be described in detail), operating the lifting power device 40, so that the pipes to be heated are moved one by one to the pipe poking device on the production line of the heat preservation pipe, when a pipe moves to the transition section 102 in front of the second pipe blocking portion 103, the lifting power device 40 pushes the multiple sets of pipe bearing arms 30 connected to the linkage shaft 90 to swing upward around the hinge joint on the pipe conveying line 80, at this time, the connecting rod 20 and the pipe poking arm 10 are matched, so that the pipe poking arm 10 rotates clockwise around the hinge joint on the pipe conveying line 80, at this time, the first pipe blocking portion 101 gradually faces upward to block the next pipe, the second pipe blocking portion 103 faces downward, when the previous pipe positioned between the transition section 102 and the second pipe blocking portion 103 faces downward, the previous pipe rolls along the connecting rod 20 to the pipe bearing arms 30, under the action of the pipe conveying line 80 in the next process, the pipe is conveyed to complete the pipe feeding process for one time;

3. then, the lifting power device 40 drives the multiple groups of pipe bearing arms 30 to swing downwards around the hinged positions of the multiple groups of pipe bearing arms on the pipe fitting conveying line 80 under the assistance of the linkage shaft 90, at the moment, the connecting rod 20 is matched with the pipe shifting arm 10, the pipe shifting arm 10 rotates anticlockwise around the hinged positions of the pipe shifting arm on the pipe fitting conveying line 80, the pipe blocking part I101 gradually faces downwards to release the next pipe fitting, the pipe blocking part II 103 faces upwards to block the next pipe fitting to prepare for the next pipe fitting, and therefore the blocking of the upper pipe of the previous pipe fitting and the blocking of the next pipe fitting are completed simultaneously;

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims

1. The utility model provides a thermal insulation pipe production line top tube pipe shifter which characterized in that: the pipe loading and pulling device on the heat preservation pipe production line comprises a pipe pushing arm (10), a connecting rod (20) and a pipe bearing arm (30) which are sequentially hinged, wherein the pipe pushing arm (10) and the pipe bearing arm (30) are further hinged to a pipe fitting conveying line (80), the pipe bearing arm (30) is lifted, the pipe pushing arm (10) can be driven by the connecting rod (20) to swing up and down around the hinged position of the pipe pushing arm on the pipe fitting conveying line (80), and the upper pipe of the previous pipe fitting and the blocking of the next pipe fitting are simultaneously completed;

the pipe pulling arm (10) comprises a first pipe blocking part (101), a transition section (102) and a second pipe blocking part (103), the first pipe blocking part (101) and the second pipe blocking part (103) are connected to the transition section (102), the first pipe blocking part (101) protrudes out of the lower surface of the transition section (102), the second pipe blocking part (103) protrudes out of the upper surface of the transition section (102), the starting end of the transition section (102) is hinged to the pipe conveying line (80), and the tail end of the transition section (102) is hinged to the connecting rod (20);

the pipe bearing arm (30) is hinged to the output end of a lifting power device (40) and is driven to lift by the lifting power device.

2. The pipe loading and pulling device for the insulating pipe production line according to claim 1, wherein: the pipe bearing arm (30) is composed of a downward inclination section (301), a hosting section (302) and an auxiliary section (303) which are integrally formed, a trapezoid pipe fitting containing groove (304) with a wide upper part and a narrow lower part is formed among the downward inclination section (301), the hosting section (302) and the auxiliary section (303), the initial end of the downward inclination section (301) is hinged to the tail end of the connecting rod (20), the downward inclination section (301) is further hinged to the pipe fitting conveying line (80), and the hosting section (302) is hinged to the output end of the lifting power device (40).

3. The pipe loading and pulling device for the insulating pipe production line according to claim 1, wherein: the first pipe retaining part (101) can be connected to the initial end of the transition section (102) in an inserting mode, the inserting length of the first pipe retaining part is adjusted, and the pipe shifting arm (10) can shift the upper pipe of the pipe fitting with the corresponding specification and block the pipe fitting with the corresponding specification.

4. The pipe loading and pulling device for the insulating pipe production line according to claim 1 or 3, wherein: the first blocking pipe part (101) is locked on the transition section (102) through a locking part (70).

5. The pipe loading and pulling device for the insulating pipe production line according to claim 4, wherein: set up screw hole (1011) on fender pipe portion (101) diapire, set up through-hole (1021) on changeover portion (102) diapire, retaining member (70) set up to screw rod (701), screw rod (701) are by lower supreme cooperation pass through-hole (1021) and screw hole (1011) locking fender pipe portion (101) in proper order.

6. The pipe loading and pulling device for the insulating pipe production line according to claim 4, wherein: set up screw hole (1011) on fender pipe portion (101) lateral wall, set up through-hole (1021) on changeover portion (102) lateral wall, retaining member (70) set up to bolt (702), bolt (702) are by outer to interior cooperation pass through-hole (1021) and screw hole (1011) locking fender pipe portion (101) in proper order.

7. The pipe loading and pulling device for the insulating pipe production line according to claim 4, wherein: through-hole (1021) all set up on fender pipe portion (101) and changeover portion (102) lateral wall, retaining member (70) set up to bolt (703), bolt (703) cooperate and pass through-hole (1021) locking fender pipe portion (101).

8. The pipe loading and pulling device for the insulating pipe production line according to claim 1, wherein: the side wall of the second pipe blocking part (103) far away from the connecting rod (20) is in a curved surface shape.

9. The utility model provides an use last pipe subassembly of insulating tube production line last pipe shifter which characterized in that: the upper pipe assembly of the upper pipe pulling device applied to the heat preservation pipe production line comprises a plurality of groups of upper pipe pulling devices on the heat preservation pipe production line, and the upper pipe pulling devices on the heat preservation pipe production line are coaxially and adjacently arranged at the tail end of a pipe fitting conveying line (80) so as to carry out the upper pipes of pipes with various lengths and specifications.

10. The upper tube assembly of the tube pushing device used in the insulating tube production line according to claim 9, wherein: the tube drivers on the adjacent insulation tube production lines can be connected through a linkage shaft (90), and the linkage shaft (90) is hinged with the output end of a lifting power device (40) so as to drive the tube drivers on the multiple groups of insulation tube production lines to simultaneously lift.