Magnetic guide sleeve and guide column with buffering function

Abstract

The invention relates to the technical field of machining, in particular to a magnetic guide sleeve and guide pillar with a buffering function, which comprises a magnetic guide sleeve, a magnetic sleeve in the magnetic guide sleeve, a magnetic guide pillar penetrating out of the magnetic sleeve, a support guide pillar fixed at one end of the magnetic guide pillar, and a buffering assembly for providing buffering for the support guide pillar and the magnetic guide pillar, a plurality of steel balls are embedded in the outer wall of the magnetic guide column, and a supporting assembly is arranged at the bottom of the interior of the magnetic guide sleeve. A plurality of first electromagnets are embedded in the inner wall of the magnetic sleeve, and the magnetic guide sleeve is matched with the magnetic sleeve. According to the stamping die, the magnetic guide sleeve, the magnetic guide column, the supporting guide column and the buffering assembly are arranged between the upper die body and the lower die body of the die, four-time elastic supporting is provided, elastic supporting is provided for the supporting guide column, so that the die is positioned and guided when moving up and down, and therefore stamping forming work is accurately carried out.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical processing, in particular to a magnetic guide sleeve and guide column with a buffering function. Background Art

[0002] In the prior art, a stamping die is provided with a magnetic guide sleeve, a guide column and a magnetic guide sleeve between the upper and lower seats of the die.

[0003] In the prior art, there is a magnetic guide sleeve guide column with automatic resetting function, which is published as CN208680348U. The utility model discloses a magnetic guide sleeve guide column with automatic resetting function, which includes a guide sleeve and a guide column, wherein the guide column is inserted into the guide sleeve, a retaining ring is installed at the top of the inner wall of the guide sleeve, a convex edge is provided at the bottom end of the guide column, and a reset spring is installed between the retaining ring and the convex edge; a buffer spring is installed at the bottom end of the inner wall of the guide sleeve; an electromagnet is installed on the side of the inner wall of the guide sleeve, and the electromagnet surrounds the inner wall of the guide sleeve; a processing chip is installed on the guide sleeve, and a wireless module is built in the processing chip, and the processing chip is connected to the electromagnet through wires.

[0004] In conjunction with the above application, the general magnetic guide sleeve guide column has a simple structure, and the guide column can be automatically reset after use. However, the existing magnetic guide sleeve guide column still has the following problems: Generally, the magnetic guide sleeve guide column provides a one-time elastic buffer support through the buffer spring, and the stamping force provided by the stamping die to the magnetic guide sleeve guide column is relatively large. During the repeated use of the magnetic guide sleeve guide column, the guide column and the guide sleeve of the magnetic guide sleeve guide column are prone to increased wear, or a collision occurs between the guide sleeve and the guide column, resulting in damage to the guide sleeve or the guide column, which will increase the maintenance cost of the magnetic guide sleeve guide column.

[0005] In view of the above problems, we propose a magnetic guide sleeve and guide column with buffering function. Summary of the invention

[0006] The purpose of the present invention is to provide a magnetic guide sleeve and guide column with a buffering function, thereby solving the existing problems.

[0007] To achieve the above object, the present invention provides the following technical solutions: A magnetic guide sleeve and guide column with a buffering function, comprising a magnetic guide sleeve, a magnetic sleeve inside the magnetic guide sleeve, a magnetic guide column extending from the magnetic sleeve, a support guide column fixed at one end of the magnetic guide column, and a buffer component for providing buffering for the support guide column and the magnetic guide column, wherein a plurality of steel balls are embedded in the outer wall of the magnetic guide column, and a support component is arranged at the bottom of the inner part of the magnetic guide sleeve; A plurality of first electromagnets are embedded in the inner wall of the magnetic sleeve, and the magnetic guide sleeve is matched with the magnetic sleeve.

[0008] Preferably, the buffer assembly includes a connecting sleeve and a supporting slot plate located between the magnetic guide sleeve and the supporting guide column, the inner walls of the connecting sleeve and the supporting slot plate are in contact with the magnetic guide column, and the supporting slot plate is fixedly connected to the supporting guide column.

[0009] Preferably, the support groove plate and the connecting sleeve are each provided with four corresponding through holes, a fixed guide rod is passed through the through holes, a first spring is sleeved on the outside of the fixed guide rod, and both ends of the fixed guide rod are connected with limiting nuts.

[0010] Preferably, the outside of the support slot plate and the connecting sleeve are both sleeved with an internal threaded sleeve, the support slot plate and the connecting sleeve are threadedly matched with the corresponding internal threaded sleeve, and the connecting sleeve is threadedly matched with the inner wall of the top of the magnetic guide sleeve.

[0011] Preferably, the buffer assembly further comprises four groups of connecting buffer members, wherein the connecting buffer members comprise a connecting arc rod, a first connecting rod, a second connecting rod and a third connecting rod, and a buffer rod located between the connecting arc rod and the first connecting rod; The connecting arc rod is in a "V"-shaped structure, one end of the connecting arc rod is movably pinned to the internal thread sleeve, and the other end is movably pinned to one end of the second connecting rod; One end of the first connecting rod is movably pin-connected to the connecting sleeve, and the other end is movably pin-connected to the connecting arc rod.

[0012] Preferably, the buffer rod comprises a connecting column and a T-shaped movable rod, one end of the connecting column is movably pin-connected to the first connecting rod, one end of the T-shaped movable rod extends into the interior of the connecting column, and the other end is movably pin-connected to the connecting arc rod; A second spring is connected between the connecting column and the T-shaped movable rod, and the connecting column and the T-shaped movable rod are elastically connected through the second spring.

[0013] Preferably, side grooves are provided on both sides of the inner wall of the connecting column, and a limiting slider is provided inside the side groove. The side groove is partially adapted to the limiting slider, and the limiting slider is fixedly connected to the T-shaped movable rod.

[0014] Preferably, a limiting sliding groove is provided inside the second connecting rod, a limiting sliding pin is passed through the limiting sliding groove, and one end of the second connecting rod is slidably connected to the third connecting rod via the limiting sliding groove and the limiting sliding pin.

[0015] Preferably, the buffer assembly comprises a support base sleeved at the bottom of the magnetic guide sleeve, four positioning slots are provided at the top of the inner wall of the support base, a support sleeve is provided inside the positioning slot, a fixed slide rod is passed inside the support sleeve, and two third springs of different lengths are connected to both sides of the support sleeve; A fixing seat is fixed on the top of the supporting sliding sleeve, the fixing seat is movably pin-connected with the second connecting rod, one side of the fixing seat is connected to a damper, and one end of the damper is fixed on the supporting pedestal.

[0016] Preferably, the support assembly includes a movable seat adapted to the inner wall of the magnetic sleeve, and an externally threaded bottom plate threadedly connected to the bottom of the magnetic guide sleeve, and the movable seat and the externally threaded bottom plate are elastically connected with a fourth spring; A second electromagnet is embedded in the bottom of the movable seat, and a third electromagnet is embedded in the top of the externally threaded bottom plate. The magnetic forces of the second electromagnet and the third electromagnet are opposite.

[0017] Compared with the prior art, the present invention has the following beneficial effects: In the present invention, a magnetic guide sleeve, a magnetic guide column, a support guide column and a buffer assembly are arranged between the upper die and the lower die of the mold to position and guide the mold when it moves up and down, so as to accurately perform stamping and forming work. The support guide column applies pressure to the support slot plate. Since the internal thread sleeve is fixedly connected to the support slot plate, the internal thread sleeve and the support slot plate move synchronously. The internal thread sleeve applies pressure to the connecting arc rod, which can make the connecting arc rod and the first connecting rod apply pressure to the T-shaped movable rod and the connecting column. One end of the T-shaped movable rod extending into the interior of the connecting column compresses the second spring, and the second spring can provide elastic support for the T-shaped movable rod. The T-shaped movable rod can provide support for the connecting arc rod, the internal thread sleeve and the support slot plate, and buffer the downward pressure of the support guide column.

[0018] The connecting arc rod provided in the present invention can apply pressure to the second connecting rod, and the bottom of the second connecting rod applies thrust to the fixed seat and the supporting sleeve. The fixed seat can compress the damper, and the supporting sleeve slides on the fixed slide rod and compresses the third spring. The third spring and the damper can provide indirect buffering effect for the supporting guide column.

[0019] In the present invention, when the magnetic guide column applies pressure to the movable seat, the movable seat will compress the fourth spring, which can reduce the collision intensity of the movable seat and improve the secondary buffer through the reverse magnetic force of the second electromagnet and the third electromagnet.

[0020] The invention adopts internal and external quadruple elastic supports to provide elastic supports for the support guide pillars, as well as for the upper mold and the lower mold, and provides guiding positioning through the magnetic guide sleeve guide pillars. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a schematic diagram of the structure of the internal thread sleeve plate of the present invention; Figure 3 For the present invention Figure 1A schematic diagram of the partially enlarged structure at center A; Figure 4 For the present invention Figure 1 A schematic diagram of the partially enlarged structure at B in the middle; Figure 5 It is a structural schematic diagram of the connecting column of the present invention; Figure 6 It is a schematic diagram of the connection structure between the first spring and the fixed guide rod of the present invention; Figure 7 For the present invention Figure 1 A schematic diagram of the partially enlarged structure at C in the middle; Figure 8 For the present invention Figure 1 The schematic diagram of the local enlarged structure at D in the middle; Fig. 9 It is a schematic cross-sectional structural diagram of the magnetic sleeve of the present invention.

[0022] In the figure: 1. Magnetic guide sleeve; 2. Magnetic sleeve; 201. First electromagnet; 3. Magnetic guide column; 4. Support guide column; 5. Steel ball; 6. Buffer assembly; 601. Support groove plate; 602. Connecting sleeve seat; 603. Internal thread sleeve plate; 604. First spring; 605. Fixed guide rod; 606. Connecting arc rod; 607. First connecting rod; 608. Connecting column; 609. T-shaped movable rod; 610. Second spring; 611. Side groove; 612. Limiting slider; 613. Second connecting rod; 614. Third connecting rod; 615. Limiting slide groove; 616. Limiting slide pin; 617. Support pedestal; 618. Positioning slide groove; 619. Supporting sleeve; 620. Fixed slide rod; 621. Third spring; 622. Fixed seat; 623. Damper; 7. Support assembly; 701. Movable seat; 702. Externally threaded bottom plate; 703. Second electromagnet; 704. Third electromagnet; 705. Fourth spring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. like Figure 1-9 As shown, a magnetic guide sleeve and guide column with a buffering function includes a magnetic guide sleeve 1, a magnetic sleeve 2 inside the magnetic guide sleeve 1, a magnetic guide column 3 passing through the magnetic sleeve 2, a supporting guide column 4 fixed at one end of the magnetic guide column 3, and a buffer component 6 for providing buffering for the supporting guide column 4 and the magnetic guide column 3, a plurality of steel balls 5 are embedded in the outer wall of the magnetic guide column 3, and a supporting component 7 is arranged at the bottom of the magnetic guide sleeve 1.

[0024] In the present invention, a plurality of steel balls 5 can contact the inner wall of the magnetic sleeve 2, and the steel balls 5 can roll on the inner wall of the magnetic sleeve 2. A plurality of steel balls 5 can provide rolling support for the support guide column 4, which can reduce the friction between the magnetic sleeve 2 and the magnetic guide column 3. The magnetic sleeve 2 can provide guidance for the magnetic guide column 3, which can avoid the deflection of the magnetic guide column 3 and the support guide column 4.

[0025] like Figure 1 and Fig. 9 As shown, a plurality of first electromagnets 201 are embedded in the inner wall of the magnetic sleeve 2 , and the magnetic guide sleeve 1 is matched with the magnetic sleeve 2 .

[0026] In the present invention, the first electromagnet 201 is evenly installed on the inner wall of the magnetic sleeve 2. After the first electromagnet 201 is energized, a magnetic force is generated to position the side of the magnetic guide column 3, thereby avoiding a direct collision between the magnetic guide column 3 and the magnetic guide sleeve 1, and improving the precise positioning of the magnetic guide sleeve 1 on the magnetic guide column 3.

[0027] Preferably, the buffer assembly 6 includes a connecting sleeve 602 and a support slot plate 601 located between the magnetic guide sleeve 1 and the support guide column 4, the inner walls of the connecting sleeve 602 and the support slot plate 601 are in contact with the magnetic guide column 3, the support slot plate 601 is fixedly connected to the support guide column 4, and the interior of the support slot plate 601 and the connecting sleeve 602 are provided with four one-to-one corresponding through holes, a fixed guide rod 605 is passed through the interior of the through hole, a first spring 604 is sleeved on the outside of the fixed guide rod 605, and limiting nuts are connected to the ends of both ends of the fixed guide rod 605.

[0028] In the present invention, the bottom thread of the connecting sleeve 602 can be fixed on the top of the magnetic guide sleeve 1, and the second internal thread sleeve 603 can be sleeved on the top of the connecting sleeve 602. The connecting sleeve 602 and the internal thread sleeve 603 can be installed on the top of the magnetic guide sleeve 1, and the support groove plate 601 will compress the first spring 604 along the fixed guide rod 605. The first spring 604 can provide support buffering for the support groove plate 601 and the support guide column 4.

[0029] Preferably, the outside of the support slot plate 601 and the connecting sleeve 602 are both sleeved with an internal threaded sleeve 603, the support slot plate 601 and the connecting sleeve 602 are threadedly matched with the corresponding internal threaded sleeve 603, and the connecting sleeve 602 is threadedly matched with the inner wall of the top of the magnetic guide sleeve 1.

[0030] In the present invention, the first internal thread sleeve 603 can be threadedly fixed to the support slot plate 601 , and the support slot plate 601 can provide support for the magnetic guide column 3 and the support guide column 4 .

[0031] Preferably, the buffer assembly 6 further includes four groups of connecting buffers, the connecting buffers including a connecting arc rod 606, a first connecting rod 607, a second connecting rod 613 and a third connecting rod 614, and a buffer rod located between the connecting arc rod 606 and the first connecting rod 607; The buffer rod includes a connecting column 608 and a T-shaped movable rod 609. One end of the connecting column 608 is movably pin-connected with the first connecting rod 607. One end of the T-shaped movable rod 609 extends into the interior of the connecting column 608, and the other end is movably pin-connected with the connecting arc rod 606. A second spring 610 is connected between the connecting column 608 and the T-shaped movable rod 609 , and the connecting column 608 and the T-shaped movable rod 609 are elastically connected via the second spring 610 .

[0032] In the present invention, a magnetic guide sleeve 1, a magnetic guide column 3, a support guide column 4 and a buffer assembly 6 are arranged between the upper mold and the lower mold of the mold to position and guide the mold when it moves up and down, so as to accurately perform stamping and forming work. The support guide column 4 applies pressure to the support slot plate 601. Since the internal thread sleeve 603 is fixedly connected to the support slot plate 601, the internal thread sleeve 603 moves synchronously with the support slot plate 601. The internal thread sleeve 603 applies pressure to the connecting arc rod 606, which can make the connecting arc rod 606 and the first connecting rod 607 apply pressure to the T-shaped movable rod 609 and the connecting column 608. The end of the T-shaped movable rod 609 extending into the interior of the connecting column 608 compresses the second spring 610. The second spring 610 can provide elastic support for the T-shaped movable rod 609. The T-shaped movable rod 609 can provide support for the connecting arc rod 606, the internal thread sleeve 603 and the support slot plate 601, and buffer the downward pressure of the support guide column 4.

[0033] Preferably, side grooves 611 are provided on both sides of the inner wall of the connecting column 608 , and a limiting slider 612 is provided inside the side groove 611 . The side groove 611 is partially adapted to the limiting slider 612 , and the limiting slider 612 is fixedly connected to the T-shaped movable rod 609 .

[0034] In the present invention, since one end of the T-shaped movable rod 609 is fixedly connected to the limiting slider 612, the T-shaped movable rod 609 can push the limiting slider 612 to move inside the side groove 611. The moving range of the limiting slider 612 can be limited by the side groove 611, and the T-shaped movable rod 609 can be prevented from detaching from the connecting column 608 by the side groove 611 and the limiting slider 612.

[0035] The connecting arc rod 606 is in a "V"-shaped structure, one end of the connecting arc rod 606 is movably pin-connected to the internal thread sleeve 603, and the other end is movably pin-connected to one end of the second connecting rod 613; One end of the first connecting rod 607 is movably pin-connected to the connecting sleeve 602, and the other end is movably pin-connected to the connecting arc rod 606; The buffer assembly 6 includes a support base 617 sleeved on the bottom of the magnetic guide sleeve 1, four positioning slots 618 are provided on the top of the inner wall of the support base 617, a support sleeve 619 is provided inside the positioning slot 618, a fixed slide rod 620 is passed inside the support sleeve 619, and two third springs 621 of different lengths are connected to both sides of the support sleeve 619; A fixing seat 622 is fixed to the top of the supporting sleeve 619 , and the fixing seat 622 is movably pin-connected to the second connecting rod 613 . A damper 623 is connected to one side of the fixing seat 622 , and one end of the damper 623 is fixed to the supporting pedestal 617 .

[0036] In the present invention, the connecting arc rod 606 can apply pressure to the second connecting rod 613, and the bottom of the second connecting rod 613 applies thrust to the fixed seat 622 and the supporting sleeve 619. The fixed seat 622 can compress the damper 623, and the supporting sleeve 619 slides on the fixed slide rod 620 and compresses the third spring 621. The third spring 621 and the damper 623 can provide indirect buffering effect for the support guide column 4.

[0037] Preferably, a limiting slide groove 615 is provided inside the second connecting rod 613 , a limiting slide pin 616 is passed through the limiting slide groove 615 , and one end of the third connecting rod 614 is slidably connected to the second connecting rod 613 via the limiting slide groove 615 and the limiting slide pin 616 .

[0038] In the present invention, one end of the third connecting rod 614 is movably pin-connected to the support base 617, and the other end is slidably connected to the second connecting rod 613 through a limiting slide groove 615 and a limiting slide pin 616. The third connecting rod 614 can provide sliding support for the second connecting rod 613 through the limiting slide pin 616, and the limiting slide groove 615 can limit the moving range of the limiting slide pin 616.

[0039] Preferably, the support assembly 7 includes a movable seat 701 adapted to the inner wall of the magnetic sleeve 2, and an externally threaded bottom plate 702 threadedly connected to the bottom of the magnetic guide sleeve 1, and the movable seat 701 and the externally threaded bottom plate 702 are elastically connected with a fourth spring 705; A second electromagnet 703 is embedded in the bottom of the movable seat 701 , and a third electromagnet 704 is embedded in the top of the external thread bottom plate 702 . The magnetic forces of the second electromagnet 703 and the third electromagnet 704 are opposite.

[0040] In the present invention, when the magnetic guide column 3 applies pressure to the movable seat 701, the movable seat 701 will compress the fourth spring 705. The fourth spring 705 can reduce the collision intensity of the movable seat 701, and the reverse magnetic force of the second electromagnet 703 and the third electromagnet 704 can improve the secondary buffering.

[0041] In summary, the buffering principle: The magnetic guide sleeve guide pin of the present application is installed between the upper die and the lower die of the mold, which can provide positioning and guidance for the mold when it moves up and down, ensuring that the mold performs stamping and forming work; First elastic buffering: the support guide column 4 applies pressure to the support slot plate 601, and the support slot plate 601 compresses the first spring 604 along the fixed guide rod 605, so that the first spring 604 can provide support buffering for the support slot plate 601 and the support guide column 4; Second spring buffering: Since the internal thread sleeve 603 is fixedly connected to the support slot plate 601, the internal thread sleeve 603 and the support slot plate 601 move synchronously, and the internal thread sleeve 603 applies pressure to the connecting arc rod 606, so that the connecting arc rod 606 and the first connecting rod 607 apply pressure to the T-shaped movable rod 609 and the connecting column 608. One end of the T-shaped movable rod 609 extending into the interior of the connecting column 608 compresses the second spring 610. At this time, the T-shaped movable rod 609 can push the limiting slider 612 to move inside the side groove 611. The second spring 610 can provide elastic support for the T-shaped movable rod 609. The T-shaped movable rod 609 can provide support for the connecting arc rod 606, the internal thread sleeve 603 and the support slot plate 601, and buffer the downward pressure of the support guide column 4; Third elastic buffering: the connecting arc rod 606 can apply pressure to the second connecting rod 613, and the bottom of the second connecting rod 613 applies thrust to the fixed seat 622 and the supporting sleeve 619, the fixed seat 622 can compress the damper 623, and the supporting sleeve 619 slides on the fixed slide rod 620 and compresses the third spring 621, and the third spring 621 and the damper 623 can provide indirect buffering for the support guide column 4; Fourth elastic buffering: the magnetic guide column 3 applies pressure to the movable seat 701, and the movable seat 701 compresses the fourth spring 705. The fourth spring 705 can reduce the collision intensity of the movable seat 701, and the reverse magnetic force of the second electromagnet 703 and the third electromagnet 704 can improve the secondary buffering.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A magnetic guide sleeve and guide column with a buffering function, characterized in that: The invention comprises a magnetic guide sleeve (1), a magnetic sleeve (2) inside the magnetic guide sleeve (1), a magnetic guide column (3) extending from the inside of the magnetic sleeve (2), a support guide column (4) fixed to one end of the magnetic guide column (3), and a buffer component (6) for providing buffering for the support guide column (4) and the magnetic guide column (3), wherein a plurality of steel balls (5) are embedded in the outer wall of the magnetic guide column (3), and a support component (7) is arranged at the bottom of the inside of the magnetic guide sleeve (1); A plurality of first electromagnets (201) are embedded in the inner wall of the magnetic sleeve (2), and the magnetic guide sleeve (1) is matched with the magnetic sleeve (2).

2. A magnetic guide sleeve and guide column with a buffering function according to claim 1, characterized in that: The buffer assembly (6) comprises a connecting sleeve (602) and a supporting slot plate (601) located between the magnetic guide sleeve (1) and the supporting guide column (4); inner walls of the connecting sleeve (602) and the supporting slot plate (601) are fitted with the magnetic guide column (3); and the supporting slot plate (601) is fixedly connected to the supporting guide column (4).

3. A magnetic guide sleeve and guide column with a buffering function according to claim 2, characterized in that: The support groove plate (601) and the connection sleeve (602) are each provided with four through holes corresponding to each other, a fixed guide rod (605) is passed through the through holes, a first spring (604) is sleeved on the outside of the fixed guide rod (605), and both ends of the fixed guide rod (605) are connected to limit nuts.

4. A magnetic guide sleeve and guide column with a buffering function according to claim 3, characterized in that: The outsides of the support slot plate (601) and the connecting sleeve seat (602) are both sleeved with an internal thread sleeve plate (603); the support slot plate (601) and the connecting sleeve seat (602) are threadedly matched with the corresponding internal thread sleeve plates (603); and the connecting sleeve seat (602) is threadedly matched with the inner wall of the top of the magnetic guide sleeve (1).

5. A magnetic guide sleeve and guide column with a buffering function according to claim 4, characterized in that: The buffer assembly (6) further comprises four groups of connecting buffer components, wherein the connecting buffer components comprise a connecting arc rod (606), a first connecting rod (607), a second connecting rod (613), a third connecting rod (614), and a buffer rod located between the connecting arc rod (606) and the first connecting rod (607); The connecting arc rod (606) is in a "V"-shaped structure, one end of the connecting arc rod (606) is movably pin-connected to the internal thread sleeve (603), and the other end is movably pin-connected to one end of the second connecting rod (613); One end of the first connecting rod (607) is movably pin-connected to the connecting sleeve (602), and the other end is movably pin-connected to the connecting arc rod (606).

6. A magnetic guide sleeve and guide column with a buffering function according to claim 5, characterized in that: The buffer rod comprises a connecting column (608) and a T-shaped movable rod (609), one end of the connecting column (608) is movably pin-connected to the first connecting rod (607), one end of the T-shaped movable rod (609) extends into the interior of the connecting column (608), and the other end is movably pin-connected to the connecting arc rod (606); A second spring (610) is connected between the connecting column (608) and the T-shaped movable rod (609), and the connecting column (608) and the T-shaped movable rod (609) are elastically connected via the second spring (610).

7. A magnetic guide sleeve and guide column with a buffering function according to claim 6, characterized in that: Side grooves (611) are provided on both sides of the inner wall of the connecting column (608), and a limiting slider (612) is provided inside the side groove (611). The side groove (611) is partially adapted to the limiting slider (612), and the limiting slider (612) is fixedly connected to the T-shaped movable rod (609).

8. The magnetic guide sleeve and guide column with buffering function according to claim 5, characterized in that: A limiting sliding groove (615) is provided inside the second connecting rod (613), a limiting sliding pin (616) is passed through the limiting sliding groove (615), and one end of the third connecting rod (614) is slidably connected to the second connecting rod (613) via the limiting sliding groove (615) and the limiting sliding pin (616).

9. The magnetic guide sleeve and guide column with buffering function according to claim 5, characterized in that: The buffer assembly (6) comprises a support base (617) sleeved on the bottom of the magnetic guide sleeve (1), four positioning slots (618) are provided at the top of the inner wall of the support base (617), a support sleeve (619) is provided inside the positioning slot (618), a fixed slide rod (620) is passed through the inside of the support sleeve (619), and two third springs (621) of different lengths are connected to both sides of the support sleeve (619); A fixing seat (622) is fixed on the top of the supporting sliding sleeve (619), the fixing seat (622) is movably pin-connected to the second connecting rod (613), one side of the fixing seat (622) is connected to a damper (623), one end of the damper (623) is fixed on the supporting pedestal (617).

10. The magnetic guide sleeve and guide column with buffering function according to claim 1, characterized in that: The support assembly (7) comprises a movable seat (701) adapted to the inner wall of the magnetic sleeve (2), and an externally threaded base plate (702) threadedly connected to the bottom of the magnetic guide sleeve (1), and a fourth spring (705) is elastically connected to the movable seat (701) and the externally threaded base plate (702); A second electromagnet (703) is embedded in the bottom of the movable seat (701), and a third electromagnet (704) is embedded in the top of the externally threaded bottom plate (702); the magnetic forces of the second electromagnet (703) and the third electromagnet (704) are opposite.

Images