CN115799040B

CN115799040B - Quadrupole rod assembly, mass spectrometer and quadrupole rod assembly assembling device

Info

Publication number: CN115799040B
Application number: CN202310095943.6A
Authority: CN
Inventors: 吴莉; 马材穗; 王仁照
Original assignee: Sichuan Max Biotechnology Co ltd
Current assignee: Sichuan Max Biotechnology Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-04-18
Anticipated expiration: 2043-02-10
Also published as: CN115799040A

Abstract

A quadrupole rod assembly, mass spectrometer and quadrupole rod assembly device, quadrupole rod assembly includes: four pole rods, a lantern ring. The pole rods are arranged at intervals along the circumferential direction; the lantern ring has three, and the interval cover is located the pole. The mass spectrometer comprises a quadrupole rod assembly as described above. The device comprises: workstation, supporting mechanism, positioning mechanism, tightening mechanism. Three support rings which move vertically are arranged above the workbench; the supporting mechanism comprises a supporting assembly and a vertically moving transfer assembly for transferring the quadrupole rod assembly, and the supporting assembly comprises a plurality of supporting plates which are arranged at intervals along the circumference and move along the radius and the vertical direction; the positioning mechanism comprises three positioning components arranged on the support ring, and each positioning component comprises a plurality of bearing plates and clamping plates; the tightening mechanism includes three tightening assemblies mounted on the support ring for bolting to the pole and the collar. The pole rods are positioned, so that the circle centers of the excircles of the four pole rods are coaxial, the formation of a hyperboloid structure is ensured, and the assembly is convenient.

Description

Quadrupole rod assembly, mass spectrometer and quadrupole rod assembly assembling device

Technical Field

The invention relates to the technical field of mass spectrometers, in particular to a quadrupole rod assembly, a mass spectrometer and a quadrupole rod assembly assembling device.

Background

The mass spectrometer is an instrument for detecting the content of substances and identifying the category of the substances, and the quadrupole mass spectrometer is one of the most mature and widely applied mass spectrometers at present and mainly comprises an ion source, an analyzer and a collector, wherein the analyzer consists of four symmetrically arranged pole rods, direct current voltage and high-frequency voltage are applied between two pairs of pole rods to form a quadrupole electric field, ions with different masses can be allowed to pass through the analyzer according to the size of the electric field, the ideal quadrupole electric field needs to be formed by four completely identical electrodes with hyperbolic cross sections, the four electrodes are symmetrically surrounded by a center, the pole rods are difficult to assemble, the circle centers of the excircle of the four pole rods cannot be located on the same axis, the axes of the pole rods cannot be parallel to each other, and a hyperboloid structure cannot be formed.

Disclosure of Invention

To the not enough of above-mentioned relevant prior art, the application provides a quadrupole rod subassembly, mass spectrograph and quadrupole rod subassembly assembly device, realizes fixing a position the quadrupole rod, and the centre of a circle of the excircle of four pole pieces is in on the same axis is guaranteed to the at utmost to the formation of hyperboloid structure is guaranteed to the at utmost, also convenient assembly simultaneously.

In order to achieve the above object, the present invention employs the following techniques:

a quadrupole rod assembly, comprising: pole rod, lantern ring.

The four pole rods are uniformly arranged at intervals along the circumferential direction, the inner surface of each pole rod is a hyperboloid, the outer surface of each pole rod is an arc surface, three thread grooves are formed in the outer surface of each pole rod along the length direction, positioning grooves are further formed in one side of each thread groove, and the positioning grooves in the center are arranged in a staggered mode with the other two positioning grooves; the lantern ring has threely, and the interval cover is located on the pole rod, and the interval between two adjacent lantern rings is the same, and the lantern ring inboard is equipped with four even lugs in interval, and the pole rod is located between two adjacent lugs, and the lug cooperates with the internal surface of pole rod.

Further, lantern ring week side is equipped with four even screw holes in interval, wear to be equipped with the bolt in the screw hole, and connect in the thread groove, the lantern ring inboard still is equipped with the recess between two adjacent lugs, be equipped with first spring in the recess, first spring both ends are the bottom of connecting groove and the one end of branch respectively, and be in compression state all the time, the other end of branch is equipped with rotatable ball, at least some of ball is located the recess outside, and cooperate in the constant head tank, the inside bulge loop that is equipped with of recess, branch one end still is equipped with the fender ring, keep off the ring butt to the bulge loop.

A mass spectrometer comprising a quadrupole rod assembly as described above.

A quadrupole rod assembly assembling apparatus for assembling a quadrupole rod assembly as described above, comprising: workstation, supporting mechanism, positioning mechanism, screw up the mechanism.

A through hole is formed in the center of the workbench, a first supporting rod and a second supporting rod are arranged on the workbench along the diagonal direction respectively, the second supporting rod is higher than the first supporting rod by a preset distance, three supporting rings moving along the vertical direction are further arranged above the workbench, the lower two supporting rings are sleeved on the first supporting rod and the second supporting rod, and the uppermost supporting ring is rotatably sleeved on one second supporting rod; the supporting mechanism is arranged on the workbench and comprises a supporting component and a transferring component moving along the vertical direction, the supporting component is positioned above the workbench and comprises a plurality of supporting plates which are uniformly arranged along the circumferential direction of the through hole at intervals and move along the radius direction of the through hole, the supporting plates move in the vertical direction and are used for supporting the pole rods, and the transferring component is arranged below the workbench and is used for transferring the quadrupole rod component; the positioning mechanism comprises three positioning components arranged on the support ring, and each positioning component comprises a plurality of bearing plates and clamping plates which are uniformly arranged along the circumferential direction of the support ring at intervals and move along the radius direction of the support ring, and is used for bearing and positioning the lantern ring; the tightening mechanism comprises three tightening assemblies arranged on the support ring, each tightening assembly comprises a plurality of conveying channels arranged at intervals along the circumferential direction, a material frame is arranged above each conveying channel, bolts are put into the conveying channels, and bolt tightening heads moving along the length direction of each conveying channel are arranged at one ends of the conveying channels and used for connecting the bolts in the conveying channels to the pole rods and the lantern rings.

Further, the bottom surface of the supporting plate is provided with a plurality of connecting rods, the lower ends of the connecting rods penetrate through the moving plate, second springs are further sleeved on the connecting rods, the two ends of each second spring are abutted to the moving plate and the supporting plate respectively, the second springs are in a compressed state all the time, and retaining rings are arranged at the lower ends of the connecting rods and used for abutting against the bottom surface of the moving plate.

Furthermore, a plurality of depressed parts are arranged on the circumferential side of the through hole along the circumferential direction, at least one part of the movable plate is located in the depressed parts, the outer side of the movable plate is connected with the moving end of the first telescopic rod, the first telescopic rod is installed on the workbench, the top of the depressed part is further provided with a first through groove penetrating through the surface of the workbench, and one end of the first through groove is communicated with the through hole and used for penetrating through the connecting rod.

Furthermore, the transfer assembly comprises a lifting ring moving along the vertical direction, the lifting ring is positioned below the workbench, a plurality of convex rods facing the circle center of the lifting ring are arranged on the inner side of the lifting ring, a through sliding groove is formed in the convex rods along the length direction of the convex rods, vertically arranged sliding rods penetrate through the sliding groove, the lower ends of the sliding rods are connected to second telescopic rods which are horizontally arranged, the second telescopic rods are installed on the lifting ring, clamping blocks are arranged at the upper ends of the sliding rods, the clamping blocks are L-shaped and face the circle center of the lifting ring, and a manipulator is further arranged below the workbench and used for clamping and transferring the four-pole rod assembly on the transfer assembly; the surfaces of the supporting plate and the moving plate are provided with second through grooves which penetrate through the supporting plate and the moving plate and face the circle center, and the second through grooves are used for penetrating through the clamping blocks.

Furthermore, the surface of the support ring is provided with a plurality of spacing grooves with uniform intervals along the circumferential direction, one end of the bearing plate is positioned in the spacing grooves, the bottoms of the spacing grooves are further provided with strip holes along the length direction, the bottom surface of one end of the bearing plate is provided with a connecting block, the connecting block penetrates through the strip holes and is connected to the moving end of a third telescopic rod, and the third telescopic rod is arranged on the bottom surface of the support ring.

Furthermore, one end of the clamping plate is connected with an ejector rod, the ejector rod penetrates through the supporting plate, the supporting plate is installed on the supporting ring, one end of the ejector rod is further provided with a connecting plate, the bottom surface of the connecting plate is in contact with the supporting ring, one side of the connecting plate is connected with a fourth telescopic rod, and the fourth telescopic rod is installed on the supporting ring.

Further, conveyer way detachably installs on the support ring, the conveyer way top surface is equipped with the semicircular groove that runs through along its length direction, be used for bearing the weight of the bolt, the conveyer way top still is equipped with the semicircle piece, and the semicircle piece bottom surface also is equipped with the semicircular groove, two semicircular groove combinations form a round hole, the semicircle piece bottom surface is equipped with the arc round pin of two symmetrical arrangement, the conveyer way surface still is equipped with the arc wall of arranging along its length direction respectively in the semicircular groove both sides, and the arc wall is located the region beyond the material frame, the arc round pin cooperates in the arc wall.

Furthermore, protruding plates are further arranged at two ends of the conveying channel in the length direction, guide rods are further arranged between the protruding plates, the guide rods are sleeved with the semicircular blocks, third springs are further sleeved on the guide rods, two ends of each third spring are respectively connected with the semicircular blocks and the protruding plates far away from the center of the supporting ring, and the third springs are always in a stretching state.

Further, bolt tightening head one end is connected in the pivot, and pivot one end detachably connects in the transmission shaft, and pneumatic module is connected to transmission shaft one end, and pneumatic module installs on removing the seat, removes the seat and connects in the removal end of fifth telescopic link, and the fifth telescopic link is installed on the support ring.

Further, still wear to be equipped with the push rod on the removal seat, during the application, push rod one end butt to semicircle piece, be equipped with the T-shaped piece on the push rod, pot head is located in the pivot under the T-shaped piece, T-shaped piece both sides are equipped with the ejector pad, ejector pad and push rod are the inclined plane of tilt up towards the one end in the support ring centre of a circle, and one end surpasss push rod one end predetermined distance, be equipped with two concave parts on the semicircle piece, a push pad is used for passing, still be equipped with the spacing ring on the push rod, the cover is equipped with the fourth spring on the push rod, the spacing ring is received respectively and the removal seat in fourth spring both ends, the push rod other end still is equipped with the baffle, a seat is removed in the butt joint.

Furthermore, the support ring side all is equipped with four diaphragms along its circumferencial direction, two diaphragms that are located the below overlap respectively and locate on first bracing piece and second bracing piece, and one of them diaphragm that is located the top only overlaps locates on the second bracing piece, this diaphragm one end is equipped with driven gear, driven gear is coaxial with the second bracing piece, driven gear and driving gear cooperation, the driving gear cover is located in the axis of rotation, axis of rotation one end connection motor, the axis of rotation is worn to locate on the mounting panel, the mounting panel cover is located on the second bracing piece, and be connected in a vertical elevating system's removal end, and driven gear bottom surface and mounting panel rotatable coupling.

The invention has the beneficial effects that:

1. the convex blocks are arranged on the lantern ring to position the pole rods, the inner surface of the lantern ring is attached to the outer surface of the pole rods, the circle centers of the outer circles of the four pole rods are ensured to be on the same axis to the maximum extent, the formation of a hyperboloid structure is ensured to the maximum extent, and the ball balls of the retractable grooves are arranged on the lantern ring to be matched with the pole rods, so that the thread grooves of the pole rods are automatically aligned with the thread holes of the lantern ring, and the assembly is convenient;

2. the pole rods and the lantern rings are assembled by the four-pole rod assembly assembling device, so that the assembling efficiency is greatly improved, the four-pole rod assembly assembling device can also adapt to the pole rods and the lantern rings with different specifications, and the universality of equipment is enhanced;

3. the uppermost support ring is arranged to rotate around the second support rod, so that the uppermost support ring and the lower support ring are not in the same vertical area, the pole rod is conveniently placed in the two lower support rings, the lower end of the pole rod is firstly matched with the lower lantern ring, the lower end of the pole rod is prevented from being firstly clamped in the uppermost lantern ring, and the pole rod is conveniently assembled;

4. when the bolts in the conveying channel are pushed, the bolts in the material frame can be jacked upwards, so that interference is avoided.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.

Fig. 1 is a perspective view of a quadrupole rod assembly according to an embodiment of the present application.

Fig. 2 is a perspective view of a pole according to an embodiment of the present disclosure.

Fig. 3 is a perspective view of a collar according to an embodiment of the present disclosure.

Fig. 4 is an enlarged schematic view of a portion a of fig. 3.

Figure 5 is a perspective view of an apparatus for assembling quadrupole rods according to an embodiment of the present application.

Figure 6 is a schematic perspective view of a quadrupole rod assembly of an embodiment of the present application installed in an apparatus for assembling a quadrupole rod assembly.

Fig. 7 is a perspective view of a workbench according to an embodiment of the present application.

Fig. 8 is a perspective view of a support assembly according to an embodiment of the present application.

Fig. 9 is a schematic view illustrating the installation of the support plate according to the embodiment of the present application.

Fig. 10 is a perspective view of a transfer assembly according to an embodiment of the present application.

Fig. 11 is a perspective view of a positioning mechanism according to an embodiment of the present application.

FIG. 12 is a perspective view of a tightening assembly according to an embodiment of the present application.

Fig. 13 is a perspective view of a conveyor assembly according to an embodiment of the present application.

Fig. 14 is a schematic view of the bolt tightening head installation according to the embodiment of the present application.

Description of reference numerals: 1-pole rod, 2-lantern ring, 11-thread groove, 12-positioning groove, 21-projection, 22-thread hole, 23-groove, 24-first spring, 25-support rod, 26-ball, 27-projection ring, 28-baffle ring, 100-workbench, 200-supporting mechanism, 300-positioning mechanism, 400-screwing mechanism, 101-through hole, 102-first support rod, 103-second support rod, 104-support ring, 105-depression part, 106-first through groove, 107-limiting groove, 108-long hole, 109-transverse plate, 110-driven gear, 111-driving gear, 112-rotating shaft, 113-motor, 114-mounting plate, 201-support plate, 202-connecting rod, 203-moving plate, 204-second spring, 205-retainer ring, 206-first telescopic rod 207-lifting ring, 208-convex rod, 209-sliding chute, 210-sliding rod, 211-second telescopic rod, 212-clamping block, 213-second through groove, 301-bearing plate, 302-clamping plate, 303-connecting block, 304-third telescopic rod, 305-top rod, 306-supporting plate, 307-connecting plate, 308-fourth telescopic rod, 309-connecting rod, 401-conveying channel, 402-material frame, 403-bolt tightening head, 404-semicircular block, 405-arc pin, 406-arc groove, 407-convex plate, 408-guide rod, 409-third spring, 410-rotating shaft, 411-driving shaft, 412-moving seat, 413-fifth telescopic rod, 414-push rod, 415-T-shaped block, 416-pushing block, 417-concave part, 418-limit ring, 419-fourth spring, 420-baffle plate.

Detailed description of the preferred embodiments

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are a part of the embodiments of the present invention, not all of the embodiments of the present invention.

As shown in fig. 1-14, the present application provides a quadrupole rod assembly, comprising: pole rod 1, lantern ring 2.

As shown in fig. 1-3, four pole rods 1 are uniformly arranged at intervals along the circumferential direction, the inner surface of the pole rod 1 is a hyperboloid, the outer surface is an arc surface, three thread grooves 11 are formed in the outer surface along the length direction, positioning grooves 12 are further formed in one side of each thread groove 11, as shown in fig. 2, the positioning groove 12 located in the center is arranged in a staggered manner with the other two positioning grooves 12, the positioning grooves 12 at two ends are located in the same side, and the positioning grooves 12 at two ends may not be located in the same vertical straight line; lantern ring 2 has threely, the spacer sleeve is located pole 1, and the interval between two adjacent lantern rings 2 is the same, 2 inboards of lantern ring are equipped with four even lugs 21 in interval, pole 1 is located between two adjacent lugs 21, and the internal surface cooperation of lug 21 and pole 1, the internal surface of lantern ring 2 laminates with the surface of pole 1 mutually, under lug 21's spacing, make the surface centre of a circle of four pole 1 be in on the axis of lantern ring 2, and then form the hyperboloid structure.

Specifically, as shown in fig. 2-4, four threaded holes 22 with uniform intervals are formed in the peripheral side of the collar 2, the peripheral side of the collar 2 in the threaded holes 22 is a plane, a bolt penetrates through the threaded hole 22 and is connected to the threaded groove 11, so as to connect the pole rod 1 and the collar 2, a groove 23 is further formed in the inner side of the collar 2 between two adjacent lugs 21, a first spring 24 is arranged in the groove 23, two ends of the first spring 24 are respectively connected to the bottom of the groove 23 and one end of the supporting rod 25 and are always in a compressed state, a rotatable ball 26 is arranged at the other end of the supporting rod 25, at least a part of the ball 26 is located outside the groove 23 and is matched in the positioning groove 12, at this time, the threaded groove 11 is aligned with the threaded hole 22, the bolt is convenient to assemble, a convex ring 27 is arranged inside the groove 23, a blocking ring 28 is further arranged at one end of the supporting rod 25, the blocking ring 28 abuts against the convex ring 27, and the ball 26 is prevented from completely falling out of the groove 23.

Embodiments of the present application also provide a mass spectrometer comprising a quadrupole rod assembly as described above.

In another aspect of the embodiments of the present application, there is also provided an apparatus for assembling a quadrupole rod assembly, as described above, as shown in fig. 5 to 6, including: the device comprises a workbench 100, a supporting mechanism 200, a positioning mechanism 300 and a tightening mechanism 400.

As shown in fig. 5-7 and 11-12, a through hole 101 is formed in the center of the workbench 100, first support bars 102 and second support bars 103 are respectively arranged at four corners of the workbench 100, two first support bars 102 are located in a diagonal direction, two second support bars 103 are located in another diagonal direction, the second support bars 103 are higher than the first support bars 102 by a predetermined distance, three support rings 104 moving in a vertical direction are further arranged above the workbench 100, each support ring 104 is respectively mounted at a moving end of a vertical lifting mechanism, the lower two support rings 104 are sleeved on the first support bars 102 and the second support bars 103, and the uppermost support ring 104 is rotatably sleeved on one second support bar 103 and is locked by screws; the supporting mechanism 200 is arranged on the workbench 100 and comprises a supporting component and a transferring component moving along the vertical direction, the supporting component is positioned above the workbench 100 and comprises a plurality of supporting plates 201 which are uniformly arranged along the circumferential direction of the through hole 101 at intervals and move along the radius direction of the through hole, the supporting plates 201 move in the vertical direction and are used for supporting the pole rods 1, the transferring component is arranged below the workbench 100 and is used for transferring the quadrupole rod component, and a manipulator is arranged below the workbench 100 and is used for clamping and transferring the quadrupole rod component on the transferring component; the positioning mechanism 300 comprises three positioning assemblies arranged on the support ring 104, each positioning assembly comprises a plurality of bearing plates 301 and clamping plates 302 which are uniformly arranged at intervals along the circumferential direction of the support ring 104 and move along the radial direction of the support ring, the bearing plates 301 are used for bearing the lantern rings 2, and the clamping plates 302 are used for positioning the bearing plates; the tightening mechanism 400 comprises three tightening assemblies mounted on the support ring 104, each tightening assembly comprises a plurality of conveying channels 401 arranged at intervals along the circumferential direction, material frames 402 are arranged above the conveying channels 401, bolts are thrown into the conveying channels 401 by the material frames 402, and bolt tightening heads 403 moving along the length direction of the conveying channels 401 are arranged at one ends of the conveying channels 401 and used for connecting the bolts in the conveying channels 401 to the pole rods 1 and the lantern rings 2.

Specifically, as shown in fig. 6-9, a plurality of connecting rods 202 are disposed on the bottom surface of the supporting plate 201, the lower ends of the connecting rods 202 are inserted into the moving plate 203, when the quadrupole rod assembly is assembled, the pole rods 1 inevitably impact the supporting plate 201 when moving in opposite directions, and in order to ensure positioning accuracy, the bolt is automatically screwed onto the collar 2, and when the bolt is installed, the position of the supporting plate 201 needs to be fixed, so the connecting rods 202 are further sleeved with a second spring 204, two ends of the second spring 204 respectively abut against the moving plate 203 and the supporting plate 201, and the second spring 204 is always in a compressed state, and the lower ends of the connecting rods 202 are provided with retaining rings 205 for abutting against the bottom surface of the moving plate 203 to prevent the connecting rods 202 from coming off from the moving plate 203.

Specifically, as shown in fig. 5 and 7-9, a plurality of recesses 105 are formed in the circumferential direction of the through hole 101, at least a portion of the moving plate 203 is located in the recesses 105, so as to avoid the moving plate 203 from deviating under the impact of the pole 1, the outer side of the moving plate 203 is connected to the moving end of the first telescopic rod 206, the first telescopic rod 206 is mounted on the workbench 100, the moving plate 203 is driven by the first telescopic rod 206 to move along the radial direction of the through hole 101, the top of the recess 105 is further provided with a first through groove 106 penetrating through the surface of the workbench 100, and one end of the first through groove 106 is communicated with the through hole 101 and used for passing through the connecting rod 202.

Specifically, as shown in fig. 5, 7-10, the transfer assembly includes a lifting ring 207 moving along a vertical direction, the lifting ring 207 is located below the workbench 100, and the inner side of the lifting ring is provided with a plurality of protruding rods 208 facing the center of the lifting ring, the protruding rods 208 are provided with through sliding grooves 209 along the length direction thereof, sliding rods 210 vertically arranged are inserted in the sliding grooves 209, the lower ends of the sliding rods 210 are connected to second horizontally arranged telescopic rods 211 for pushing the sliding rods 210 to move along the sliding grooves 209, the second telescopic rods 211 are mounted on the lifting ring 207, the upper ends of the sliding rods 210 are provided with clamping blocks 212, the clamping blocks 212 are L-shaped and face the center of the lifting ring 207, when the quadrupole rod assembly needs to be transferred, the bottom of the pole rod 1 contacts the surface of the clamping block 212, and the side surface contacts the side surface of the clamping block 212, so as to clamp the quadrupole rod assembly, and a manipulator is further provided below the workbench 100 for clamping and transferring the quadrupole rod assembly on the transfer assembly; the surfaces of the supporting plate 201 and the moving plate 203 are both provided with a second through groove 213 which penetrates through the surfaces and faces the center of a circle, and the second through groove is used for penetrating through the clamping block 212 when the moving plate 203 moves.

Specifically, as shown in fig. 5, 11-12 and 14, the surface of the support ring 104 is provided with a plurality of spacing grooves 107 at even intervals along the circumferential direction, one end of the bearing plate 301 is located in the spacing groove 107, the bottom of the spacing groove 107 is further provided with a long hole 108 along the length direction, the bottom surface of one end of the bearing plate 301 is provided with a connecting block 303, the connecting block 303 passes through the long hole 108 and is connected to the moving end of the third telescopic rod 304, the third telescopic rod 304 is mounted on the bottom surface of the support ring 104, and the bearing plate 301 is driven by the third telescopic rod 304 to move towards the center of the support ring 104, so as to support the lantern ring 2.

Specifically, as shown in fig. 5 and 11, one end of the clamping plate 302 is connected with a push rod 305, the push rod 305 is inserted into the supporting plate 306, and the supporting plate 306 is in contact with the surface of the supporting ring 104, so as to support the push rod 305 to a certain extent, the supporting plate 306 is mounted on the supporting ring 104, one end of the push rod 305 is further provided with a connecting plate 307, the bottom surface of the connecting plate 307 is in contact with the supporting ring 104, one side of the connecting plate 307 is connected with a fourth telescopic rod 308, the fourth telescopic rod 308 is mounted on the supporting ring 104, the clamping plates 302 on the two supporting rings 104 below are L-shaped, the clamping plate 302 on the supporting ring 104 above is U-shaped, and the top surface of the supporting plate 201 is flush with the bottom surface of the inner side of the clamping plate 302, so as to conveniently clamp and position the collar 2, and in order to further ensure the positioning of the collar 2, a plane can be further disposed between the two side planes of the collar 2, so that the clamping plate 302 is in surface contact with the collar 2.

More specifically, as shown in fig. 11, the clamping plate 302 on the lowermost supporting ring 104 is further provided with a connecting rod 309, and the upper end of the connecting rod 309 passes through the clamping plate 302 on the supporting ring 104 in the middle, so that the clamping plates 302 on the two lower supporting rings 104 are kept moving synchronously, and the relative position accuracy of the two lower collars 2 is further ensured.

Specifically, as shown in fig. 5, 12-14, the transportation channel 401 is detachably mounted on the support ring 104, and can be locked by a screw or by a bayonet structure, and the distance between one end of the transportation channel 401 and the side surface of the collar 2 is much smaller than the length of the bolt, so as to prevent the bolt from falling off from the transportation channel 401 when being pushed to the collar 2 from the transportation channel 401, the top surface of the transportation channel 401 is provided with a through semicircular groove along the length direction thereof for bearing the bolt, a semicircular block 404 is further arranged above the transportation channel 401, and the bottom surface of the semicircular block 404 is also provided with a semicircular groove, the two semicircular grooves are combined to form a circular hole, in the process of moving the bolt from the area of the material frame 402 to the semicircular block 404, the bolt tightening head 403 pushes the bolt together and pushes the thread part of the bolt to pass through the semicircular block 404 completely, while the head of the bolt is positioned in a circular hole formed by the semicircular grooves of the semicircular block 404 and the conveying channel 401, when the head of the bolt passes through the circular hole, the head of the bolt is gradually righted to enable the axis of the bolt to be parallel to the axis of the conveying channel 401, so that the bolt can smoothly enter the threaded hole 22, the bottom surface of the semicircular block 404 is provided with two arc-shaped pins 405 which are symmetrically arranged, the surface of the conveying channel 401 is also provided with arc-shaped grooves 406 which are arranged along the length direction of the semicircular grooves at two sides respectively, the arc-shaped grooves 406 are positioned in the area outside the material frame 402, and the arc-shaped pins 405 are matched in the arc-shaped grooves 406.

Specifically, as shown in fig. 14, one end of the bolt tightening head 403 is connected to the rotating shaft 410, one end of the rotating shaft 410 is detachably connected to the transmission shaft 411, when bolts with different specifications are tightened, different bolt tightening heads 403 can be correspondingly replaced, one end of the transmission shaft 411 is connected to a pneumatic module, the rotation of the transmission shaft 411 is driven by the pneumatic module, the pneumatic module is mounted on the movable base 412, the movable base 412 is connected to the movable end of the fifth telescopic rod 413, and the fifth telescopic rod 413 is mounted on the support ring 104.

Specifically, as shown in fig. 5, 12-14, a push rod 414 is further disposed through the moving seat 412, when pushing the bolt, one end of the push rod 414 abuts against the semicircular block 404, the push rod 414 is provided with a T-shaped block 415, the lower end of the T-shaped block 415 is sleeved on the rotating shaft 410 to provide a supporting function for the rotating shaft 410, two sides of the T-shaped block 415 are provided with push blocks 416, and when the push rod 414 pushes the semicircular block 404 to one end of the conveying channel 401, the other end of the push block 416 is still located in an area outside the material frame 402, so that the bolt in the material frame 402 falls down to affect the normal reset of the bolt tightening head 403, and the ends of the push block 416 and the push rod 414 facing the center of the supporting ring 104 are inclined planes inclined upward, the inclined plane is also in an inward concave arc shape, when the bolt in the conveying channel 401 is pushed away, the bolt in the material frame 402 falls on the push block 416, so that interference between the T-shaped block 415 and the bolt in the material frame 402 is avoided, normal operation is affected, one end of the push block 416 exceeds one end of the push rod 414 by a preset distance, two concave parts 417 are arranged on the semicircular block 404 and used for penetrating through the push block 416, a limit ring 418 is further arranged on the push rod 414, a fourth spring 419 is sleeved on the push rod 414, two ends of the fourth spring 419 are respectively abutted to the limit ring 418 and the movable seat 412 and are always in a compression state, and a baffle plate 420 is further arranged at the other end of the push rod 414 and used for abutting to the movable seat 412.

Specifically, as shown in fig. 5, 12-14, two ends of the conveying path 401 in the length direction are further provided with protruding plates 407, a guide rod 408 is disposed between the protruding plates 407, the semicircular block 404 is sleeved on the guide rod 408, a third spring 409 is further sleeved on the guide rod 408, two ends of the third spring 409 are respectively connected to the semicircular block 404 and the protruding plate 407 far away from the center of the support ring 104, the third spring 409 is always in a stretching state, and the elastic force of the third spring 409 is far less than that of the fourth spring 419, so that when the semicircular block 404 needs to be pushed, the elastic force of the fourth spring 419 does not change, the push rod 414 can smoothly push the semicircular block 404 to one end of the conveying path 401, and when the semicircular block 404 moves to one end of the conveying path 401, the moving seat 412 can also move continuously, thereby achieving the operation of screwing the bolt.

Specifically, as shown in fig. 5 and 11, four transverse plates 109 are respectively disposed on the side surfaces of the support rings 104 along the circumferential direction, the limiting groove 107 is located in the area of the transverse plates 109, the transverse plates 109 on the support ring 104 below are respectively sleeved on the first support rod 102 and the second support rod 103, one of the transverse plates 109 of the support ring 104 above is only sleeved on the second support rod 103, one end of the transverse plate 109 is provided with a driven gear 110, the driven gear 110 is coaxial with the second support rod 103, the driven gear 110 is matched with a driving gear 111, the uppermost support ring 104 is driven to rotate through the matching of the gears, so as to place the pole 1 in the support ring 104 below conveniently, the driving gear 111 is sleeved on a rotating shaft 112, one end of the rotating shaft 112 is connected with a motor 113, the rotating shaft 112 is inserted into an installation plate 114, the installation plate 114 is sleeved on the second support rod 103 and connected to a moving end of a vertical lifting mechanism, and the bottom surface of the driven gear 110 is rotatably connected with the installation plate 114, and the other transverse plate 109 of the support ring 104 above can be matched with the second support rod 103, so that the centers of the three support rings 104 are coaxial.

The detailed operation steps of the four pole rods 1 mounted on the three collars 2 by the four-pole rod assembly device are as follows:

firstly, the heights of two support rings 104 at the bottom are adjusted according to the length of a pole rod 1 and the installation position of a lantern ring 2, a lifting ring 207 is lifted to the highest position, then a first telescopic rod 206 is started to enable a plurality of moving plates 203 to move oppositely until the moving plates 203 are contacted with each other, at the moment, a sliding rod 210 is positioned in a second through groove 213, then a sample piece of a four-pole rod assembly is placed on a support plate 201, the height of each support ring 104 is adjusted through a vertical lifting mechanism, and the top surface of a bearing plate 301 can be flush with the bottom surface of the lantern ring 2; then taking out the sample piece of the quadrupole rod assembly to start assembling operation;

starting the third telescopic rods 304 on the two lower supporting rings 104 to enable the bearing plate 301 to move a predetermined distance towards the center of the supporting rings 104, then manually placing a lantern ring 2 on each of the two lower supporting rings 104, utilizing the bearing plate 301 to provide a supporting effect for the lantern ring 2, then starting the fourth telescopic rods 308 on the two lower supporting rings 104 to enable the clamping plate 302 to also move towards the center of the supporting rings 104 until the clamping plate 302 clamps the lantern rings 2, then enabling the manipulator to simultaneously pass the four pole rods 1 through the two lantern rings 2 from top to bottom, and also enabling the pole rods 1 to pass through the two lantern rings 2 one by one, enabling the pole rods 1 to be always in corresponding positions in the lantern rings 2 under the limitation of the convex blocks 21 without deviation, ensuring the mounting accuracy of the pole rods 1, and when the pole rods 1 sequentially pass through the two lantern rings 2 from top to bottom, the balls 26 are pressed into the grooves 23, the first spring 24 is further compressed until the positioning slot 12 is aligned with the corresponding groove 23, the balls 26 are again inserted into the positioning slot 12 by the elastic force of the first spring 24, so that the pole 1 is initially locked on the collar 2, at which time the pole 1 and the collar 2 are still separable by the external force, while the pole 1 is placed, one collar 2 is placed on the uppermost support ring 104 and the collar 2 is clamped in the same manner as described above, after which the motor 113 is activated to rotate the rotating shaft 112 to rotate the driving gear 111, the driven gear 110 engaged therewith is rotated, the uppermost support ring 104 is rotated until the transverse plate 109 at one end thereof engages with the other second support bar 103, and then the uppermost support ring 104 is lowered by the vertical elevating mechanism until the balls 26 of the collar 2 are engaged in the uppermost positioning slot 12 of the pole 1, then, the fifth telescopic rod 413 is started to push the moving seat 412 towards the support ring 104, so that the bolt tightening head 403 also moves in the conveying channel 401, at this time, a bolt exists in the conveying channel 401, during the moving process, the bolt tightening head 403 pushes the bolt together and pushes the thread part of the bolt to completely pass through the semicircular block 404, the head part of the bolt is located in a circular hole formed by the semicircular block 404 and the two semicircular grooves of the conveying channel 401, when the head part of the bolt passes through the circular hole, the head part of the bolt is gradually straightened, the axis of the bolt is parallel to the axis of the conveying channel 401, so that the bolt can smoothly enter the threaded hole 22, when the head part of the bolt completely enters the circular hole, one end of the push rod 414 abuts against the semicircular block 404, and one end of the push block 416 is located in the concave part 417;

during the time from the time when the bolt tightening head 403 contacts the bolt to the time when the head of the bolt is pushed into the round hole, since the upper surface of one end of the push block 416 is an inclined surface, the lowest bolt and the previous bolt are separated, so that the bolt in the material frame 402 is prevented from influencing the normal operation of the parts such as the rotating shaft 410;

with the continuous movement of the moving seat 412, the bolt tightening head 403 pushes the bolt to move, the push rod 414 pushes the semicircular block 404 to move synchronously, and the third spring 409 is further stretched, so that the head of the bolt is always in the round hole, when the semicircular block 404 moves to one end of the conveying passage 401, one end of the bolt is located at the end of the threaded hole 22, at this time, the pneumatic module is started, the rotating shaft 410 drives the bolt tightening head 403 to rotate, the moving seat 412 continues to move, and at this time, the semicircular block 404 does not move any more, the fourth spring 419 is further compressed, so that the bolt can be tightened in the threaded groove 11 and the threaded hole 22, and the pole 1 and the lantern ring 2 are connected stably;

at this time, the moving seat 412, the loading plate 301 and the clamping plate 302 can be reset, the bolt tightening head 403 is moved out from the area of the material frame 402, the bolt in the material frame 402 falls into the conveying channel 401, waiting for the next operation, the second telescopic rod 211 is started, the clamping block 212 moves towards the circle center of the lifting ring 207 until the pole rod 1 is clamped, then the supporting plate 201 is also reset, the lifting ring 207 is lowered, the clamping block 212 moves the assembled quadrupole rod assembly to the position below the workbench 100, and then the quadrupole rod assembly can be transferred by using a manipulator.

The above is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is apparent that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A quadrupole rod assembly assembling apparatus for assembling a quadrupole rod assembly, the quadrupole rod assembly comprising:

the number of the pole rods (1) is four, the pole rods are uniformly arranged at intervals in the circumferential direction, the inner surface of each pole rod (1) is a hyperboloid, the outer surface of each pole rod is an arc surface, three thread grooves (11) are formed in the outer surface of each pole rod along the length direction, positioning grooves (12) are further formed in one side of each thread groove (11), and the positioning grooves (12) in the center are arranged in a staggered mode with the other two positioning grooves (12); the number of the lantern rings (2) is three, the three lantern rings are sleeved on the pole rod (1) at intervals, the intervals between every two adjacent lantern rings (2) are the same, four lugs (21) with uniform intervals are arranged on the inner side of each lantern ring (2), the pole rod (1) is located between every two adjacent lugs (21), and the lugs (21) are matched with the inner surface of the pole rod (1); four threaded holes (22) with uniform intervals are formed in the peripheral side of the lantern ring (2), bolts penetrate through the threaded holes (22) and are connected to the threaded grooves (11), a groove (23) is further formed in the inner side of the lantern ring (2) between every two adjacent convex blocks (21), a first spring (24) is arranged in the groove (23), two ends of the first spring (24) are respectively connected with the bottom of the groove (23) and one end of a support rod (25) and are always in a compression state, a rotatable ball (26) is arranged at the other end of the support rod (25), at least one part of the ball (26) is located on the outer side of the groove (23) and is matched with the positioning groove (12), a convex ring (27) is arranged inside the groove (23), a blocking ring (28) is further arranged at one end of the support rod (25), and the blocking ring (28) is abutted to the convex ring (27); characterized in that the assembly device comprises:

the center of the workbench (100) is provided with a through hole (101), the workbench (100) is respectively provided with a first support rod (102) and a second support rod (103) along the diagonal direction, the second support rod (103) is higher than the first support rod (102) by a preset distance, three support rings (104) moving along the vertical direction are further arranged above the workbench (100), the lower two support rings (104) are sleeved on the first support rod (102) and the second support rod (103), and the uppermost support ring (104) is rotatably sleeved on the second support rod (103);

the supporting mechanism (200) is arranged on the workbench (100), comprises a supporting component and a transferring component moving along the vertical direction, the supporting component is positioned above the workbench (100), and comprises a plurality of supporting plates (201) which are uniformly arranged along the circumferential direction of the through hole (101) at intervals and move along the radius direction of the through hole, the supporting plates (201) move in the vertical direction and are used for supporting the pole rods (1), and the transferring component is arranged below the workbench (100) and is used for transferring the quadrupole rod component;

the positioning mechanism (300) comprises three positioning assemblies arranged on the supporting ring (104), and each positioning assembly comprises a plurality of bearing plates (301) and clamping plates (302) which are uniformly arranged at intervals in the circumferential direction of the supporting ring (104) and move in the radius direction of the supporting ring, and is used for bearing and positioning the lantern ring (2);

tightening mechanism (400), including three install in tightening assembly on support ring (104), tightening assembly includes a plurality of conveyer ways (401) of arranging along the circumferencial direction interval, be equipped with material frame (402) above conveyer way (401), be used for to put in the bolt on conveyer way (401), conveyer way (401) one end is equipped with bolt tightening head (403) that remove along its length direction, be used for with bolt connection in conveyer way (401) in pole piece (1) with lantern ring (2).

2. The quadrupole rod assembly assembling device according to claim 1, wherein a plurality of connecting rods (202) are arranged on the bottom surface of the supporting plate (201), the lower ends of the connecting rods (202) are arranged on the moving plate (203), a second spring (204) is further sleeved on the connecting rods (202), two ends of the second spring (204) are respectively abutted to the moving plate (203) and the supporting plate (201), the second spring (204) is always in a compressed state, and a retaining ring (205) is arranged on the lower end of each connecting rod (202) and used for abutting against the bottom surface of the moving plate (203);

through-hole (101) week side is equipped with a plurality of depressed parts (105) along the circumferencial direction, movable plate (203) at least some is located in depressed part (105), the removal end of first telescopic link (206) is connected in movable plate (203) outside, first telescopic link (206) install in on workstation (100), depressed part (105) top still be equipped with run through extremely first logical groove (106) on workstation (100) surface, just first logical groove (106) one end with through-hole (101) intercommunication is used for passing connecting rod (202).

3. The four-pole rod assembly assembling device according to claim 2, wherein the transfer assembly comprises a lifting ring (207) moving along a vertical direction, the lifting ring (207) is located below the workbench (100), a plurality of protruding rods (208) facing to the center of the lifting ring are arranged on the inner side of the lifting ring, a through sliding groove (209) is arranged on each protruding rod (208) along the length direction of the protruding rod, a vertically arranged sliding rod (210) penetrates through each sliding groove (209), the lower end of each sliding rod (210) is connected to a horizontally arranged second telescopic rod (211), each second telescopic rod (211) is mounted on the lifting ring (207), a clamping block (212) is arranged at the upper end of each sliding rod (210), each clamping block (212) is L-shaped and faces to the center of the lifting ring (207), and a manipulator is further arranged below the workbench (100) and used for clamping and transferring the four-pole rod assembly on the transfer assembly;

and the surfaces of the supporting plate (201) and the moving plate (203) are provided with second through grooves (213) which penetrate through the surfaces and face the circle center, and the second through grooves are used for penetrating through the clamping blocks (212).

4. The quadrupole rod assembly assembling device according to claim 1, wherein the surface of the support ring (104) is provided with a plurality of spacing grooves (107) at uniform intervals along the circumferential direction, one end of the bearing plate (301) is located in the spacing groove (107), the bottom of the spacing groove (107) is further provided with a long hole (108) along the length direction, the bottom surface of one end of the bearing plate (301) is provided with a connecting block (303), the connecting block (303) passes through the long hole (108) and is connected to the moving end of a third telescopic rod (304), and the third telescopic rod (304) is mounted on the bottom surface of the support ring (104).

5. The four-pole rod assembly device according to claim 1, wherein an ejector rod (305) is connected to one end of the clamping plate (302), the ejector rod (305) is inserted into a support plate (306), the support plate (306) is mounted on the support ring (104), a connecting plate (307) is further arranged at one end of the ejector rod (305), the bottom surface of the connecting plate (307) is in contact with the support ring (104), a fourth telescopic rod (308) is connected to one side of the connecting plate (307), and the fourth telescopic rod (308) is mounted on the support ring (104).

6. The quadrupole rod assembly assembling device according to claim 1, wherein the conveying channel (401) is detachably mounted on the support ring (104), the top surface of the conveying channel (401) is provided with a semi-circular groove running through along the length direction thereof for bearing bolts, a semi-circular block (404) is further arranged above the conveying channel (401), the bottom surface of the semi-circular block (404) is also provided with a semi-circular groove, the two semi-circular grooves are combined to form a circular hole, the bottom surface of the semi-circular block (404) is provided with two symmetrically arranged arc-shaped pins (405), the surface of the conveying channel (401) is further provided with arc-shaped grooves (406) arranged along the length direction thereof on both sides of the semi-circular groove, the arc-shaped grooves (406) are located at the region outside the material frame (402), and the arc-shaped pins (405) are fitted in the arc-shaped grooves (406);

conveyer way (401) length direction both ends still are equipped with flange (407), still be equipped with guide bar (408) between flange (407), semicircle piece (404) cover is located on guide bar (408), still the cover is equipped with third spring (409) on guide bar (408), third spring (409) both ends are connected respectively semicircle piece (404) and keep away from support ring (104) center flange (407), just third spring (409) are in tensile state all the time.

7. The quadrupole rod assembly assembling device according to claim 6, wherein one end of the bolt tightening head (403) is connected to a rotating shaft (410), one end of the rotating shaft (410) is detachably connected to a driving shaft (411), one end of the driving shaft (411) is connected to a pneumatic module, the pneumatic module is mounted on a moving base (412), the moving base (412) is connected to a moving end of a fifth telescopic rod (413), and the fifth telescopic rod (413) is mounted on the support ring (104);

a push rod (414) penetrates through the moving seat (412), when the device is used, one end of the push rod (414) is abutted to the semicircular block (404), a T-shaped block (415) is arranged on the push rod (414), the lower end of the T-shaped block (415) is sleeved on the rotating shaft (410), push blocks (416) are arranged on two sides of the T-shaped block (415), one ends, facing the circle center of the support ring (104), of the push blocks (416) and the push rod (414) are inclined planes which are inclined upwards, one ends of the inclined planes exceed one end of the push rod (414) by a preset distance, two concave portions (417) are arranged on the semicircular block (404) and used for penetrating through the push blocks (416), a limit ring (418) is further arranged on the push rod (414), a fourth spring (419) is sleeved on the push rod (414), two ends of the fourth spring (419) are respectively abutted to the limit ring (418) and the moving seat (412), and a baffle (420) is further arranged at the other end of the push rod (414) and used for abutting to the moving seat (412).

8. The four-pole rod assembly assembling device according to claim 1, wherein four transverse plates (109) are respectively disposed on the lateral surfaces of the support ring (104) along the circumferential direction thereof, the two transverse plates (109) located at the lower portion are respectively sleeved on the first support rod (102) and the second support rod (103), one transverse plate (109) located at the upper portion is only sleeved on the second support rod (103), a driven gear (110) is disposed at one end of each transverse plate (109), the driven gear (110) is coaxial with the second support rod (103), the driven gear (110) is matched with the driving gear (111), the driving gear (111) is sleeved on the rotating shaft (112), one end of the rotating shaft (112) is connected with the motor (113), the rotating shaft (112) is disposed on the mounting plate (114), the mounting plate (114) is sleeved on the second support rod (103) and is connected to a moving end of a vertical lifting mechanism, and the bottom surface of the driven gear (110) is rotatably connected to the mounting plate (114).