CN114334584B - Be used for X-ray tube positive pole welding set - Google Patents
Be used for X-ray tube positive pole welding set Download PDFInfo
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- CN114334584B CN114334584B CN202111507767.XA CN202111507767A CN114334584B CN 114334584 B CN114334584 B CN 114334584B CN 202111507767 A CN202111507767 A CN 202111507767A CN 114334584 B CN114334584 B CN 114334584B
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- 238000003466 welding Methods 0.000 title claims abstract description 67
- 239000000463 material Substances 0.000 claims abstract description 48
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 230000006698 induction Effects 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims description 18
- 238000003860 storage Methods 0.000 claims description 18
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- 238000003756 stirring Methods 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 description 25
- 238000013461 design Methods 0.000 description 10
- 230000004907 flux Effects 0.000 description 10
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Abstract
The invention discloses an anode welding device for an X-ray tube, which comprises the following components: the vacuum shell is characterized in that a multistage lifting rod and a fixed bracket are coaxially arranged in an upper cavity and a lower cavity in the vacuum shell respectively, an anode target is coaxially fixed at the upper end of the fixed bracket, a rotor shaft rod which is welded and connected with a bearing sleeve is embedded in the center of the anode target, and a transverse magnetic field induction heating area is arranged at the outer side of the anode target corresponding to the partial vacuum shell; the lifting seat is fixed at the lower output end of the multi-stage lifting rod, a first motor is arranged in the lifting seat, a coarse rotating column is fixed at the lower output end of the motor, guide rails which are arranged in a circumferential arrangement are fixed on the outer side wall of the coarse rotating column, and a driving seat is correspondingly arranged on each group of guide rails; and the material guiding and clamping device is correspondingly arranged and installed with the driving seat.
Description
Technical Field
The invention relates to the technical field of X-ray tubes, in particular to an anode welding device for an X-ray tube.
Background
The rotary anode target and the rotor shaft lever in the anode of the X-ray tube are coaxially fixed, so that the micro-expansion condition occurs at the interface of the connecting end for adapting to high rotation speed and high temperature, the micro-expansion condition is generally jointed and fixed through the adapter bearing sleeve to form an integral synchronous motion structure, and meanwhile, the fixing strength of the rotary anode target and the rotor shaft lever is further enhanced, so that the joint and fixing mode adopts welding connection. In the existing welding device for the anode of the X-ray tube, when the welding is carried out by adopting diffusion welding, welding is carried out by matching with welding flux, and after the welding is finished due to smaller joint gaps, micro bubble cavities with uneven distribution still exist in the gap gaps, the welding is not fully filled, the intensity of torsion resistance stress of the micro bubble cavities is reduced, and particularly, if the forming position of the bubble cavities is covered on the side face of a bearing sleeve or a rotary anode plate, the side face of the bearing sleeve or the rotary anode plate is not fully fused and connected with the welding flux.
Accordingly, one skilled in the art would provide an anode welding apparatus for an X-ray tube that solves the problems set forth in the background art above.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: an anode welding device for an X-ray tube, comprising:
the vacuum shell is characterized in that a multistage lifting rod and a fixed bracket are coaxially arranged in an upper cavity and a lower cavity in the vacuum shell respectively, an anode target is coaxially fixed at the upper end of the fixed bracket, a rotor shaft rod which is welded and connected with a bearing sleeve is embedded in the center of the anode target, and a transverse magnetic field induction heating area is arranged at the outer side of the anode target corresponding to the partial vacuum shell;
The lifting seat is fixed at the lower output end of the multi-stage lifting rod, a first motor is arranged in the lifting seat, a coarse rotating column is fixed at the lower output end of the motor, guide rails which are arranged in a circumferential arrangement are fixed on the outer side wall of the coarse rotating column, and a driving seat is correspondingly arranged on each group of guide rails;
and the material guiding and clamping device is correspondingly arranged and installed with the driving seat.
As a preferred embodiment of the present invention, the total number of the guide rail arrangements is an even number.
As a preferable technical scheme of the invention, the guide pressing device comprises:
the longitudinal guide sliding frame is correspondingly arranged on the driving seat, a longitudinal sliding cavity I is arranged in the longitudinal middle of the longitudinal guide sliding frame, and a driving gear I is arranged at a side wall of the longitudinal sliding cavity positioned at the upper left end;
the single-side rack plate is embedded into the first longitudinal sliding cavity and is connected in a sliding way, the left rack is connected with the first driving gear in a meshed way, and the second motor is fixed at the lower end of the single-side rack plate;
The flat rotating frame is in a bilateral symmetry structure, the middle part of the flat rotating frame is fixed with the lower output end of the motor II, the left side plate frame and the right side plate frame are respectively provided with a pressing clamp assembly and an auxiliary rotating gear which are arranged at equal intervals in the axle center, and the left side of the auxiliary rotating gear is in meshed connection with the driving gear II arranged on the flat rotating frame;
And the material guiding assembly is fixedly arranged at the center of the front side of the auxiliary rotating gear.
As a preferable technical scheme of the invention, a rotation angle control module for calculating and regulating and controlling the rotation angle of the auxiliary rotation gear is arranged in the second driving gear.
As a preferred technical solution of the present invention, the material guiding assembly includes:
the storage box cylinder is fixedly sleeved with a square shell frame on the outer side annular wall of the storage box cylinder, a feeding pipe is arranged on the inclined side wall of the top of the storage box cylinder, and the square shell frame is fixed on the auxiliary rotating gear;
The fixed rings are configured into two groups and are respectively and coaxially fixed at the upper end and the lower end of the storage box cylinder, an inherent bearing ring is coaxially embedded in the fixed rings, a cross cylinder is coaxially fixed on the inner annular wall of the bearing ring, a distance detector which is symmetrically arranged left and right is arranged on the lower end face of the fixed ring is arranged below the fixed rings, a concave box shell is fixedly arranged on the upper end face of the fixed rings above the fixed rings, a motor III with a spur gear fixed at the output end is arranged in the concave box shell, the spur gear is meshed and connected with a fixed cylinder cover which is coaxially fixed on the corresponding cross cylinder and is sleeved with a spur gear ring outside the spur gear ring, and a push-pull rod is coaxially arranged outside the top end of the concave box shell and is arranged through a bearing;
the material guiding shell cylinder is coaxially fixed on the lower end surface of the fixing ring below through the sealing shell cover and is communicated with the material storage box cylinder;
The guide rod is coaxially embedded and fixed with the cross cylinder at the upper part and the lower part, the top end of the guide rod is level with the cross cylinder at the upper part, the lower part of the guide rod is guided into the guide shell cylinder, and a cross sliding cavity which is longitudinally arranged is formed in the axis of the guide rod;
The top end of the groove striking post rod is fixed at the output end of the push-pull rod, the outer side wall of the groove striking post rod is provided with a strip-shaped convex edge with a cross structure, the groove striking post rod sequentially penetrates through the concave box shell and the cross sliding cavity to be connected in a sliding mode, and the bottom end of the groove striking post rod is coaxially fixed with a groove striking cutter head which is arranged in a cylindrical structure.
As a preferable technical scheme of the invention, a side discharging hole and a discharging interlayer cavity which are arranged correspondingly are arranged on the upper layer and the lower layer of the bottom end head shell of the material guiding shell, a guiding ball sleeve is arranged on a clamped relative horizontal layer between the discharging hole and the discharging interlayer cavity, a guiding cavity which is matched and slidingly connected with a groove striking tool bit is arranged in the guiding ball sleeve, and the upper end cavity wall and the lower end cavity wall of the guiding cavity are of an outwards convex cambered surface structure.
As a preferable technical scheme of the invention, the stirring rod is arranged on the outer wall of the guide rod body in the storage tank and is in a laminated spiral structure.
As a preferable technical scheme of the invention, the outer wall of the guide rod body in the guide shell is sleeved with guide spiral blades, and the guide spiral She Waijuan is abutted against the inner side wall of the guide shell.
As a preferable technical scheme of the invention, the distance detector is internally provided with a timing module.
As a preferred technical solution of the present invention, the press-clamping assembly includes:
The slide plate clamping frames are longitudinally arranged in parallel, and a longitudinal slide cavity II is arranged in the middle of each slide plate clamping frame;
the driving gears III are arranged between the upper side and the lower side of the slide plate clamping frame and are symmetrically arranged in two groups;
The rack plates on the two sides are longitudinally embedded into the second longitudinal sliding cavity and are connected in a sliding way, the racks on the left side and the right side of the rack plates are correspondingly meshed with the corresponding driving gears on the left side and the right side of the rack plates, and the lower ends of the rack plates are provided with pressing and clamping telescopic rods;
the herringbone clamping rod seat is of a bilateral symmetry structure, and the upper end of the herringbone clamping rod seat is fixed with the lower output end of the clamping telescopic rod.
Compared with the prior art, the invention provides an anode welding device for an X-ray tube, which has the following beneficial effects:
1. According to the invention, the welding is mainly carried out in a diffusion welding mode, an inserted material guiding mode is adopted, the material guiding is rotated at a uniform speed in the circumference, the welding flux is uniformly guided into a cavity to be welded clamped between the bearing sleeve and the anode target, the filling degree of the welding flux filling cavity to be welded is improved, the welding strength is further enhanced, meanwhile, the generation of a bubble cavity is effectively avoided, a twice material guiding welding mode is adopted, the first material guiding depth is slightly lower than the depth of the cavity to be welded, a shallower preset expansion cavity is reserved in a cavity at the top of the cavity to be welded, the welding flux expansion overflow is avoided, the uneven welding surface is caused, the shallower preset expansion cavity is guided for the second time, the using amount of the welding flux for secondary welding is further reduced, the controllability of the outer contour surface of the welding flux expansion is improved, and the surface of the welding flux is promoted to be smooth.
2. The guide pressing clamp device is arranged in a symmetrical distribution mode, firstly, impact strength corresponding to the anode target and the bearing sleeve is enabled to be uniform when the groove striking process is operated, secondly, the depth and the width of the welding joint cavity are measured, the width of the welding joint cavity is monitored, the bearing sleeve and the anode target are prevented from being misplaced, the bearing sleeve and the anode target are prevented from being coaxial, and thirdly, the fixing pressing clamp stress corresponding to the anode target and the bearing sleeve when the welding process is operated is generated, the center of the fixing pressing clamp stress is in a symmetrical structure, the acting force exerted on the anode target and the bearing sleeve by welding expansion is resisted, so that misplacement is generated in the welding process of the anode target and the bearing sleeve, and further, the welding strength and the coaxial precision after the welding of the anode target and the bearing sleeve are improved.
Drawings
FIG. 1 is a schematic view of a diffusion welding structure of the present invention;
FIG. 2 is an enlarged schematic view of a partial structure of a material guiding and clamping device of the present invention;
FIG. 3 is an enlarged schematic view of a partial structure of a guide assembly according to the present invention;
FIG. 4 is an enlarged schematic view of a partial structure of a discharge end of a guide shell barrel according to the present invention;
FIG. 5 is an enlarged schematic view of a partial structure of a guide shell, a guide rod and a striking groove column rod according to the invention;
FIG. 6 is a schematic diagram of an embodiment of the tilt angle measurement principle of the present invention;
FIG. 7 is a schematic diagram of the guiding principle of the present invention;
In the figure: 1. a vacuum housing; 2. a fixing bracket; 3. a multi-stage lifting rod; 4. a lifting seat; 5. a first motor; 6. a coarse rotating column; 7. a press-clamping assembly; 8. a material guiding component; 9. a material guiding and clamping device; 10. a driving seat; 11. a guide rail; 71. a slide plate clamping frame; 72. double-sided rack plates; 73. a third driving gear; 74. the herringbone clamping rod seat; 81. a storage bin barrel; 811. square shell frame; 812. a feed pipe; 82. a fixing ring; 821. a bearing ring; 822. a cross section of thick bamboo; 823. a distance detector; 824. fixing the cylinder cover; 825. a concave case; 826. a third motor; 827. a push-pull rod; 83. a material guiding shell barrel; 831. a side discharge hole; 832. a discharge interlayer cavity; 833. a guide ball sleeve; 84. a guide rod; 841. a stirring rod; 842. a diversion spiral blade; 85. a striking groove post; 851. a slot striking tool bit; 91. a longitudinal guide carriage; 92. a single-sided rack plate; 93. a first driving gear; 94. a second motor; 95. a flat rotating frame; 96. an auxiliary rotating gear; 97. and a second driving gear.
Detailed Description
Referring to fig. 1-7, the present invention provides a technical solution: an anode welding device for an X-ray tube, comprising:
The vacuum shell cover 1, wherein the upper and lower chambers in the vacuum shell cover 1 are respectively provided with a multistage lifting rod 3 and a fixed bracket 2 which are coaxially arranged, the upper end of the fixed bracket 2 is coaxially fixed with an anode target, the center of the anode target is embedded with a rotor shaft rod which is welded and connected with a bearing sleeve, and the anode target is provided with a transverse magnetic field induction heating zone corresponding to the outer side of the partial vacuum shell cover 1;
The lifting seat 4 is fixed at the lower output end of the multi-stage lifting rod 3, a motor I5 is arranged in the lifting seat, a coarse rotating column 5 is fixed at the lower output end of the motor I5, guide rails 11 which are arranged in a circumferential arrangement are fixed on the outer side wall of the coarse rotating column 5, and a driving seat 10 is correspondingly arranged on each group of guide rails 11;
The material guiding and clamping device 9 is arranged corresponding to the driving seat 10;
The structure design mainly adopts a diffusion welding mode to weld, adopts an inserted material guiding mode, uniformly rotates the guiding material at a uniform speed along the circumference, uniformly guides welding materials into a cavity to be welded clamped between a bearing sleeve and an anode target, improves the filling degree of the welding materials to be welded, further enhances the welding strength, effectively avoids the generation of a bubble cavity, adopts a twice material guiding welding mode, ensures that the first material guiding depth is slightly lower than the depth of the cavity, reserves a shallower preset expansion cavity at the top cavity of the cavity to be welded, avoids the welding materials from welding and expanding and overflowing, leads the welding surface to be uneven, guides the shallower preset expansion cavity for the second time, further reduces the using amount of welding materials for secondary welding, and further improves the controllability of the surface of the welding expansion outline of the welding materials and promotes the surface to be smooth;
It should be noted that the main purpose of the multistage telescopic rod is to move the guide clamping device out of the magnetic field induction heating zone after the guide is completed, and the intelligent regulation and control system is adopted in the structure, so that each driving component can be driven, monitored and fed back automatically.
In this embodiment, the total number of the guide rails 11 is set to be even;
The design mode mainly enables the guide pressing clamp device to be arranged in a central symmetry mode, and further enables two groups of guide pressing clamp devices which are distributed oppositely to be arranged on the same diameter, firstly, when the groove striking process is mainly convenient to operate, impact strength corresponding to an anode target and a bearing sleeve is enabled to be uniform, secondly, the depth and the width of a welding joint cavity are measured, the width of the welding joint cavity is monitored, dislocation between the bearing sleeve and the anode target is avoided, the bearing sleeve and the anode target are enabled to be not coaxial, thirdly, when the welding process is operated, fixed pressing clamp stress borne by the anode target and the bearing sleeve is resisted in a mode that the centers of the fixing pressing clamp stress and the bearing sleeve are symmetrical, and therefore dislocation offset is generated in the welding process of the anode target and the bearing sleeve.
In this embodiment, the material guiding and clamping device 9 includes:
the longitudinal guide sliding frame 91 is correspondingly arranged on the driving seat 10, a longitudinal sliding cavity I is arranged in the longitudinal middle of the longitudinal guide sliding frame, and a driving gear I93 is arranged at a side wall of the longitudinal sliding cavity positioned at the upper left end;
a single-side rack plate 92 is embedded into the first longitudinal sliding cavity and is connected in a sliding way, a left rack of the single-side rack plate is meshed with the first driving gear 93, and a second motor 94 is fixed at the lower end of the single-side rack plate;
The flat rotating frame 95 is in a bilateral symmetry structure, the middle part of the flat rotating frame is fixed with the lower output end of the second motor 94, the left side plate frame and the right side plate frame are respectively provided with a pressing clamp assembly 7 and an auxiliary rotating gear 96 which are arranged at equal intervals in the axle center, and the left side of the auxiliary rotating gear 96 is in meshed connection with the second driving gear 97 arranged on the flat rotating frame 95;
the material guiding assembly 8 is fixedly arranged at the center of the front side of the auxiliary rotating gear 96;
The longer lifting type unilateral rack plate is adopted, so that the problem that a material guide assembly is difficult to carry out on a cavity to be welded when the horizontal width or the diameter of an upper component of a rotor shaft lever is larger than that of the cavity to be welded is mainly avoided, and convenience and an adaptable range of the cavity to be welded and the material guide are improved;
And the axial center equidistance sets up the structural purpose, presses pressing from both sides the group price, and the vertical axial center of guide subassembly is equal from the axial center of motor two output to after the guide is accomplished, directly through motor two drive flat board support rotatory 180, accomplish pressing from both sides the group price, the opposition of guide subassembly is changed, and then avoid waiting for the repetition regulation of weld joint chamber location alignment, improve guide, press and press the switching efficiency.
In this embodiment, a rotation angle control module for calculating and regulating the rotation angle of the auxiliary rotation gear 96 is installed in the second driving gear 97;
The structural design is mainly used for measuring the width a and the depth b of a cavity to be welded in a material guiding assembly through an arctangent function y= arctanx, wherein y is a value of a required included angle A, x is a value of a/b, and it is noted that y is required to vertically reserve the last position of a decimal point, and the number after the last position of the decimal point is obtained in a direct removal mode, so that a calculated value is smaller than an actual value.
In this embodiment, the material guiding assembly 8 includes:
The storage box cylinder 81 is fixedly sleeved with a square shell 811 on the outer side annular wall, a feed pipe 812 is arranged on the top inclined side wall of the storage box cylinder, and the square shell 811 is fixed on the auxiliary rotating gear 96;
The fixed ring 82 is configured with two groups and is respectively and coaxially fixed at the upper end and the lower end of the storage tank 81, a bearing ring 821 is coaxially embedded and fixed inside the fixed ring 82, a cross tank 822 is coaxially fixed on the inner annular wall of the bearing ring 821, a distance detector 823 which is symmetrically arranged left and right is arranged on the lower end face of the fixed ring 82 below the fixed ring, a concave box 825 is fixed on the upper end face of the fixed ring above the fixed ring, a motor three 826 with a fixed output end is arranged inside the concave box 825, the spur gear is meshed and connected with a fixed cylinder cover 824 which is coaxially fixed on the corresponding cross tank 822 and is sleeved with a spur gear ring outside the spur gear, and a push-pull rod 827 is coaxially arranged outside the top end of the concave box 825 and is arranged through a bearing;
the material guiding shell cylinder 83 is coaxially fixed on the lower end surface of the fixing ring 82 below through a sealing shell cover and is communicated with the material storage box cylinder 81;
The guide rod 84 is coaxially embedded and fixed in the cross cylinder 822 at the upper and lower parts, the top end of the guide rod is level with the cross cylinder 822 at the upper part, the lower part of the guide rod is guided into the guide shell cylinder 83, and a cross sliding cavity which is longitudinally arranged is formed in the axis of the guide rod;
the top end of the groove-striking post rod 85 is fixed at the output end of the push-pull rod 827, the outer side wall of the groove-striking post rod is provided with a strip-shaped convex edge with a cross structure, the groove-striking post rod sequentially penetrates through the concave box 825 and the cross sliding cavity to be connected in a sliding manner, and the bottom end of the groove-striking post rod 85 is coaxially fixed with a groove-striking cutter head 851 with a cylindrical structure;
The structural design is mainly used for aligning and positioning a material guiding shell cylinder and a cavity to be welded, monitoring the form and the position of the cavity to be welded formed by a bearing sleeve and an anode target, ensuring that the cavity to be welded, the anode target and the bearing sleeve are all positioned in the same axle center, and thirdly, measuring the depth of the cavity to be welded and the width of the cavity to be welded, namely the depth b and the width a, and fourthly, conducting material guiding and slot impacting procedures, wherein during the solder guiding process, the slot impacting is conducted on the double cavity walls of the cavity to be welded, the relative bonding strength and the relative surface area of the solder and the cavity walls of the cavity to be welded are enhanced, the fixed connection strength of the two components after the solder welding is further enhanced, and therefore, the solder is enabled to be layered and lifted in a spiral layer in a uniform and relatively equal amount discharging mode and in a spiral lifting running mode, the filling rate of the solder guiding is further improved, and the distribution and filling of the solder are more balanced;
In addition, the design structure of the fixing ring is mainly used for increasing the number and distribution positions of the opposite supporting points applied to the guide rod and the groove striking rod in an elongated shape, and promoting the guide rod and the groove striking rod to operate, and particularly maintains a vertical structural state, and particularly, the sleeve clamps of the groove striking rod support and guide, the stirring rod is used as an external sleeve, and the reaction force applied to the impact of the groove striking cutter head on the groove striking is absorbed by the hard shell wall force, so that the groove striking rod is prevented from bending deformation.
In this embodiment, the bottom end shell of the guiding shell cylinder 83 is provided with a side discharging hole 831 and a discharging interlayer cavity 832 corresponding to the upper layer and the lower layer, a guiding ball sleeve 833 is installed on a clamped relative horizontal layer between the discharging hole 831 and the discharging interlayer cavity 832, a guiding cavity in sliding connection with the slot striking tool bit 851 is provided in the guiding ball sleeve 833, and the upper end cavity wall and the lower end cavity wall of the guiding cavity are in a convex curved surface structure;
The structure design mainly facilitates the telescopic operation of the groove striking tool bit, and simultaneously, the groove striking tool bit is matched with a rotary material guiding structure mode and matched with solder spiral superposition, so that solder is promoted to preferentially face one side of the side wall of the cavity wall to be welded, and the bonding degree of the solder and the side wall of the cavity to be welded is further improved.
In this embodiment, a stirring rod 841 is installed on the outer wall of the rod body of the guide rod 84 in the storage tank 81, and is in a stacked spiral structure;
The structure design is mainly used for slowly stirring the powder or granular solder, converting the solder stored by standing into dynamic flowing storage, guiding the solder to flow in a regular direction, breaking the agglomeration formed by condensation of the solder under the action of intermolecular attraction, further avoiding the falling of the solder in a block shape, and controlling the falling quantity of the solder, so that the solder powder or the solder granules in a falling state uniformly flow in a fluid structure.
In this embodiment, a guiding spiral 842 is sleeved on the outer wall of the rod body of the guiding rod 84 in the guiding shell 83, and the outer ring of the guiding spiral 842 abuts against the inner side wall of the guiding shell 83;
the structure design is mainly used for increasing the relative flow path of the solder, carrying out rolling screen flow on the solder in a spiral flow mode, and promoting the density of the solder to be larger and uniform before the solder flows out of the material guiding shell barrel, so that the density of the solder flowing down in each layer of the solder is promoted to be uniform and full, and the current interruption is avoided.
In this embodiment, the distance detector 823 is internally provided with a timing module;
The structural design is mainly used for recording the time period when the depth of the cavity to be welded is measured in a process of being matched with the distance detector to transversely move at a constant speed to monitor the cavity to be welded, and calculating the width of the weld, and the timing module triggers starting and stops the gauge to judge that the condition is that the distance detector is suddenly increased in distance measurement, namely, the starting is triggered, and otherwise, the gauge is stopped;
as an optimal embodiment, the guide pressing device can be manually observed to be placed at the position close to the cavity to be welded in advance, so that the timing accuracy of the timing module is improved.
In this embodiment, the press-clamping assembly 7 includes:
The slide plate clamping frames 71 are longitudinally arranged in parallel, and a longitudinal slide cavity II is arranged in the middle of each slide plate clamping frame;
A third driving gear 73, which is arranged between the upper and lower slide clamping frames 71 and is symmetrically arranged in two groups;
The double-sided rack plate 72 is longitudinally embedded into the second longitudinal sliding cavity and is in sliding connection, left and right racks of the double-sided rack plate are correspondingly meshed with a corresponding driving gear III 73 on the left and right sides of the double-sided rack plate, and a pressing and clamping telescopic rod is arranged at the lower end of the double-sided rack plate;
The herringbone clamping rod seat 74 is of a bilateral symmetry structure, and the upper end of the herringbone clamping rod seat is fixed with the lower output end of the clamping telescopic rod;
the structure design is mainly used for clamping and fixing the anode target and the bearing sleeve after material guiding is completed, and simultaneously, acting force acting on the bearing sleeve and the anode target side against expansion deformation during welding of welding flux is provided, so that the anode target and the bearing sleeve which are coaxially arranged are prevented from being deviated.
In the concrete implementation, the bearing sleeve which is nested is fixedly arranged on the anode target placement fixing bracket, the driving seat and the multi-stage lifting rod are actively regulated and controlled, the guide shell barrel is made to be close to the cavity to be welded, and the automatic regulation and control system is started:
S1: the driving seat drives the material guiding pressing clamp device to pass through the corresponding side to-be-welded seam cavity at a constant speed in a reciprocating way, the distance between the driving seat and the thick rotating column is recorded and monitored when the to-be-welded seam cavity is monitored, each group of recorded data is compared, if the data are consistent, the bearing sleeve and the anode target are in a coaxial form, and if the data are inconsistent, the position of the bearing sleeve nested in the anode target is correspondingly adjusted according to the deviation of the data until the bearing sleeve and the anode target are in the coaxial form;
s2: meanwhile, the depth of the cavity to be welded and the depth path time period are monitored by a distance detector, the depth and the width of the cavity to be welded and the inclination angle required by the guide assembly are calculated, the inclination angle is fed back to the driving gear II, the guide assembly is regulated and controlled to incline, meanwhile, the driving seat is matched again to drive the guide shell cylinder to be positioned right above the cavity to be welded, the guide shell cylinder is extended again through the multi-stage telescopic rod, and the guide shell cylinder is led into the bottom of the cavity to be welded;
S3: starting a motor III, driving a cross cylinder, a guide rod, a groove striking post rod, a guide spiral blade and a push-pull rod to synchronously and slowly rotate, enabling initial solder to flow and fall, and simultaneously, starting the motor I to slowly rotate at a constant speed, driving a gear I to slowly rotate at a constant speed, enabling a guide shell cylinder to move upwards at a constant speed, enabling the push-pull rod to strike the groove post rod at a micro high frequency, and enabling a groove striking tool bit to impact the cavity wall to be welded;
S4: stopping the material guiding until the solder is led to rise to the bottom end of the preset expansion cavity, continuously moving upwards by the first driving gear until the material guiding shell barrel is separated from the cavity to be welded, starting the second motor to rotate 180 degrees, enabling the press clamping assembly to be opposite to the material guiding assembly, and driving the regulating and controlling herringbone press clamping rod seat to press the anode target and the bearing sleeve through the third driving gear;
S5: the multistage telescopic rod is contracted at a constant speed, meanwhile, the driving gear III continuously drives the double-side rack plates to move downwards, the downward movement amount is synchronous with the contraction amount, the material guiding clamping device is moved upwards to be separated from the magnetic field induction heating area, the vacuum shell cover is subjected to vacuum extraction, and the magnetic field induction heating area is started;
S6: and after the welding is finished, reversing the operation of the step S4 again in turn, and repeating the step S3 and the step S5 again to finish the introduction and welding of the welding flux of the preset expansion cavity.
The above description is only of the preferred embodiments of the invention, but the protection scope of the invention is not limited thereto, and any person skilled in the art who is skilled in the art to which the invention pertains should make equivalent substitutions or modifications according to the technical solution of the invention and its inventive concept within the scope of the invention.
Claims (8)
1. An anode welding device for an X-ray tube, characterized in that: it comprises the following steps:
The vacuum shell cover (1) is characterized in that a multistage lifting rod (3) and a fixed bracket (2) are coaxially arranged in an upper cavity and a lower cavity in the vacuum shell cover respectively, an anode target is coaxially fixed at the upper end of the fixed bracket (2), a rotor shaft rod which is welded with a bearing sleeve is embedded in the center of the anode target, and a transverse magnetic field induction heating area is arranged at the outer side of the anode target corresponding to the partial vacuum shell cover (1);
The lifting seat (4) is fixed at the lower output end of the multi-stage lifting rod (3), a motor I (5) is arranged in the lifting seat, a coarse rotating column (5) is fixed at the lower output end of the motor I (5), guide rails (11) which are circumferentially arranged are fixed on the outer side wall of the coarse rotating column (5), and a driving seat (10) is correspondingly arranged on each group of guide rails (11);
the material guiding and clamping device (9) is arranged corresponding to the driving seat (10);
The material guiding and clamping device (9) comprises:
The longitudinal guide sliding rack (91) is correspondingly arranged on the driving seat (10), a longitudinal sliding cavity I is arranged in the longitudinal middle of the longitudinal guide sliding rack, and a driving gear I (93) is arranged at one side wall of the longitudinal sliding cavity positioned at the upper left end;
A single-side rack plate (92) is embedded into the first sliding cavity and is connected in a sliding way, a left rack of the single-side rack plate is meshed with the first driving gear (93), and a second motor (94) is fixed at the lower end of the single-side rack plate;
the flat rotating frame (95) is of a bilateral symmetry structure, the middle part of the flat rotating frame is fixed with the lower output end of the second motor (94), the left side plate frame and the right side plate frame are respectively provided with a pressing clamping assembly (7) and an auxiliary rotating gear (96) which are arranged at equal intervals in the axle center, and the left side of the auxiliary rotating gear (96) is in meshed connection with the second driving gear (97) arranged on the flat rotating frame (95);
The material guiding assembly (8) is fixedly arranged at the center of the front side of the auxiliary rotating gear (96);
the material guiding assembly (8) comprises:
A square shell frame (811) is fixedly sleeved on the outer side annular wall of the storage box cylinder (81), a feed pipe (812) is arranged on the inclined side wall of the top of the storage box cylinder, and the square shell frame (811) is fixed on the auxiliary rotating gear (96);
The fixed ring (82) is configured with two groups and is respectively and coaxially fixed at the upper end and the lower end of the storage box cylinder (81), a bearing ring (821) is coaxially embedded in the fixed ring (82), a cross cylinder (822) is coaxially fixed on the inner annular wall of the bearing ring (821), a distance detector (823) which is symmetrically arranged left and right is arranged on the lower end face of the fixed ring (82) below the fixed ring, a concave box shell (825) is fixed on the upper end face of the fixed ring above the fixed ring, a motor III (826) with a spur gear fixed at the output end is arranged in the concave box shell (825), the spur gear is meshed and connected with a fixed cylinder cover (824) which is coaxially fixed on the corresponding cross cylinder (822) and is sleeved with a spur gear ring outside the corresponding cross cylinder (822), and a push-pull rod (827) is coaxially arranged outside the top end of the concave box shell (825) through a bearing;
The material guiding shell cylinder (83) is coaxially fixed on the lower end surface of the fixing ring (82) below through the sealing shell cover and is communicated with the material storage box cylinder (81);
The guide rod (84) is coaxially embedded and fixed in the cross barrel (822) at the upper part and the lower part, the top end of the guide rod is level with the cross barrel (822) at the upper part, the lower part of the guide rod is guided into the guide shell barrel (83), and a cross sliding cavity which is longitudinally arranged is formed in the axis of the guide rod;
The groove striking post rod (85) is fixed at the top end of the push-pull rod (827), the outer side wall of the groove striking post rod is provided with a strip-shaped convex edge with a cross structure, the groove striking post rod sequentially penetrates through the concave box shell (825) and the cross sliding cavity to be connected in a sliding mode, and the groove striking cutter head (851) arranged in a cylindrical structure is coaxially fixed at the bottom end head of the groove striking post rod (85).
2. An anode welding apparatus for an X-ray tube according to claim 1, wherein: the total number of the guide rails (11) is an even number.
3. An anode welding apparatus for an X-ray tube according to claim 1, wherein: and a rotation angle control module for calculating and regulating and controlling the rotation angle of the auxiliary rotation gear (96) is arranged in the second driving gear (97).
4. An anode welding apparatus for an X-ray tube according to claim 1, wherein: the guiding shell is characterized in that a side discharging hole (831) and a discharging interlayer cavity (832) which correspond to the upper layer and the lower layer are formed in the bottom end shell of the guiding shell cylinder (83), a guiding ball sleeve (833) is arranged on a clamped relative horizontal layer between the discharging hole (831) and the discharging interlayer cavity (832), a guiding cavity which is matched with the groove striking tool bit (851) in a sliding mode is formed in the guiding ball sleeve (833), and the upper end cavity wall and the lower end cavity wall of the guiding cavity are of an outwards convex curved surface structure.
5. An anode welding apparatus for an X-ray tube according to claim 1, wherein: the stirring rod (841) is arranged on the outer wall of the rod body of the guide rod (84) in the storage box cylinder (81) and is in a laminated spiral structure.
6. An anode welding apparatus for an X-ray tube according to claim 1, wherein: the outer wall of the rod body of the guide rod (84) positioned inside the guide shell (83) is sleeved with a guide spiral blade (842), and the outer ring of the guide spiral blade (842) is abutted against the inner side wall of the guide shell (83).
7. An anode welding apparatus for an X-ray tube according to claim 1, wherein: the distance detector (823) is internally provided with a timing module.
8. An anode welding apparatus for an X-ray tube according to claim 1, wherein: the press-clamping assembly (7) comprises:
the slide plate clamping frames (71) are longitudinally arranged in parallel, and a longitudinal slide cavity II is arranged in the middle of each slide plate clamping frame;
The driving gear III (73) is arranged between the upper part and the lower part of the slide plate clamping frame (71) and is symmetrically arranged in two groups;
The double-sided rack plate (72) is longitudinally embedded into the second longitudinal sliding cavity and is connected in a sliding way, a left rack and a right rack of the double-sided rack plate are correspondingly meshed with a left driving gear III (73) and a right driving gear III, and a pressing telescopic rod is arranged at the lower end of the double-sided rack plate;
The herringbone clamping rod seat (74) is of a bilateral symmetry structure, and the upper end of the herringbone clamping rod seat is fixed with the lower output end of the clamping telescopic rod.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111507767.XA CN114334584B (en) | 2021-12-10 | 2021-12-10 | Be used for X-ray tube positive pole welding set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111507767.XA CN114334584B (en) | 2021-12-10 | 2021-12-10 | Be used for X-ray tube positive pole welding set |
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| CN114334584B true CN114334584B (en) | 2024-05-24 |
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| CN113061951A (en) * | 2021-03-19 | 2021-07-02 | 浙江机电职业技术学院 | Novel synchronous auxiliary electromagnetic field equipment of micro arc oxidation |
| CN113192811A (en) * | 2021-04-29 | 2021-07-30 | 上海科颐维电子科技有限公司 | Be used for X-ray tube positive pole cooling structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR1362770A (en) * | 1962-05-28 | 1964-06-05 | Varian Associates | Electron beam x-ray generator |
| CN1044188A (en) * | 1988-07-22 | 1990-07-25 | 齐尼思电子公司 | In making the color cathode ray tube process, guarantee the method and the equipment thereof of shadow mask and panel interchangeability |
| CN1130303A (en) * | 1994-10-13 | 1996-09-04 | 株式会社东芝 | Rotary anode X-ray tube and its producing method |
| WO2001099142A2 (en) * | 2000-06-20 | 2001-12-27 | Varian Medical Systems, Inc. | Drive assembly for an x-ray tube having a rotating anode |
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|---|---|
| CN114334584A (en) | 2022-04-12 |
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