CN217493389U

CN217493389U - Exchange mechanism of horizontal gantry machining center workbench

Info

Publication number: CN217493389U
Application number: CN202221714352.XU
Authority: CN
Inventors: 赵磊; 姚涛; 陈浩军
Original assignee: Tengzhou Daheng Machine Tool Co ltd
Current assignee: Tengzhou Daheng Machine Tool Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-09-27
Anticipated expiration: 2032-06-28

Abstract

The utility model relates to an exchange mechanism of horizontal longmen machining center workstation, including base and adjustment mechanism, the top fixed mounting of base has the regulating box, the top of base is rotated and is connected with the pivot that runs through and extend to the regulating box top, the fixed surface that the pivot is located the regulating box inner chamber installs the gear. This exchange mechanism of horizontal longmen machining center workstation, through under the effect at the motor, it rotates to drive the bull stick, when the bull stick rotates, can make the adjustable shelf take out in the recess earlier, thereby make the pivot can rotate, then the meshing through rack and rack drives the pivot and rotates, thereby realize the exchange of two workstations, and after having exchanged, make the adjustable shelf reinsert in the recess, because the stroke of rack is fixed, consequently, the pivot only can rotate the angle that corresponds, thereby guarantee the accuracy of location, support and spacing the mounting panel through the adjustable shelf simultaneously, guarantee stability.

Description

Exchange mechanism of horizontal gantry machining center workbench

Technical Field

The utility model relates to a horizontal longmen machining center technical field specifically is an exchange mechanism of horizontal longmen machining center workstation.

Background

The gantry machining center is a machining center with the axis of a Z shaft of a main shaft perpendicular to a workbench, the whole structure is a large machining center machine with a portal structure frame consisting of double columns and a top beam, a cross beam is arranged in the middle of the double columns, the two workbenches are generally arranged in the machining center and are exchanged through an exchange mechanism, so that the time for replacing a machined part is shortened, and the machining efficiency is improved.

The existing workbench exchange structure generally adopts motor drive to rotate, so that the exchange of two workbenches is realized, but in a motor drive mode, the workbench after rotation is not positioned accurately enough, multiple times of debugging are needed, and the stability is poor when vibration is received in the machining process.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides a horizontal longmen machining center workstation's exchange mechanism possesses advantages such as the location is accurate and stability is good, has solved current workstation exchange structure and has adopted motor drive rotatory for workstation location after the rotation is not accurate enough, needs debugging many times, and when processing received vibrations, the relatively poor problem of stability.

In order to achieve the above object, the utility model provides a following technical scheme: an exchange mechanism of a horizontal gantry machining center workbench comprises a base and an adjusting mechanism, wherein an adjusting box is fixedly mounted at the top of the base, the top of the base is rotatably connected with a rotating shaft which penetrates through and extends to the upper part of the adjusting box, a gear is fixedly mounted on the surface of the rotating shaft, which is positioned in an inner cavity of the adjusting box, a mounting plate is fixedly mounted at the top of the rotating shaft, two grooves are formed in the bottom of the mounting plate, two workbenches are fixedly mounted at the top of the mounting plate, two vertical plates which are positioned at two sides of the adjusting box are fixedly mounted at the top of the base, vertical rods are fixedly mounted in inner cavities of the two vertical plates, and the adjusting mechanism is arranged on the base;

the adjusting mechanism comprises a motor and a reciprocating screw rod, the motor is fixedly arranged on the base, the reciprocating screw rod is rotatably connected in the vertical plate, a rotating rod is fixedly arranged at the output shaft of the motor, the rotating rod penetrates through the vertical plate at one side and the adjusting box and extends to the inner cavity of the vertical plate at the other side, the surface of the rotating rod, which is positioned in the inner cavity of the adjusting box, is in threaded connection with a fixed frame, a fixed rod is fixedly arranged in the concave part of the fixed frame, the surface of the fixed rod is connected with a rack which is engaged with the gear in a sliding way, the surface of the rotating rod which is positioned in the inner cavity of the vertical plate is fixedly provided with a first bevel gear, a second bevel gear meshed with the first bevel gear is fixedly arranged at the bottom of the reciprocating screw rod, the surface of the reciprocating screw rod is in threaded connection with a movable plate which slides on the surface of the vertical rod, the movable plate is connected with a movable frame penetrating through the movable plate in a sliding mode, and a spring fixedly connected with the movable plate is fixedly installed at the concave position of the movable frame.

Further, two the riser is open-top's plate body, and the opening communicates with the inner chamber of riser.

Furthermore, the surface of the rotating rod, which is positioned in the inner cavity of the adjusting box, is provided with threads.

Furthermore, the overlooking cross section of the fixing frame is U-shaped, and one end surface of the fixing frame is attached to the surface of the inner cavity of the adjusting box.

Furthermore, the overlook cross section of the rack is T-shaped.

Furthermore, the side-looking cross section of the movable frame is U-shaped, and the size of the top of the movable frame is matched with that of the groove.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this exchange mechanism of horizontal longmen machining center workstation, setting through adjustment mechanism, when needs exchange two workstations, only need under the effect of motor, drive the bull stick and rotate, when the bull stick rotates, can make the adjustable shelf take out in the recess earlier, thereby make the pivot rotate, then the meshing through rack and rack drives the pivot and rotates, thereby realize the exchange of two workstations, and after having exchanged, make the adjustable shelf reinsert in the recess, because the stroke of rack is fixed, therefore the pivot can only rotate the angle that corresponds, thereby guarantee the accuracy of location, support and spacing the mounting panel through the adjustable shelf simultaneously, guarantee stability, and then realized the accurate and stable good mesh of location.

Drawings

Fig. 1 is a front sectional view of the present invention;

FIG. 2 is a side sectional view of the riser of the present invention;

fig. 3 is a top cross-sectional view of the adjusting box of the present invention.

In the figure: 1. a base; 2. an adjusting box; 3. a rotating shaft; 4. a gear; 5. mounting a plate; 6. a groove; 7. a work table; 8. a vertical plate; 9. a vertical rod; 10. a motor; 11. a rotating rod; 12. a fixed mount; 13. fixing the rod; 14. a rack; 15. a first bevel gear; 16. a reciprocating screw rod; 17. a second bevel gear; 18. a movable plate; 19. a movable frame; 20. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the exchange mechanism of the horizontal gantry machining center workbench in the embodiment includes a base 1 and an adjusting mechanism, wherein an adjusting box 2 is fixedly installed on the top of the base 1, the adjusting box 2 is a hollow box body with an opening at the bottom, and a rotating shaft 3 penetrating through and extending to the upper side of the adjusting box 2 is rotatably connected to the top of the base 1.

The fixed surface that pivot 3 is located 2 inner chambers of regulating box has gear 4 the top fixed mounting of pivot 3 to have mounting panel 5, and quantity is two recess 6 has been seted up to the bottom of mounting panel 5, and the top fixed mounting of mounting panel 5 has quantity to be two workstation 7, and through the rotation of pivot 3, drive mounting panel 5 and rotate to realize the exchange of two workstation 7.

The top fixed mounting of base 1 has quantity to be two and is located the riser 8 of regulating box 2 both sides, and two risers 8 are open-top's plate body, and opening and riser 8's inner chamber intercommunication, and the equal fixed mounting in inner chamber of two risers 8 has montant 9, and montant 9 plays under the spacing effect, and adjustment mechanism locates on the base 1, under adjustment mechanism's effect, drives pivot 3 and rotates to realize the exchange of workstation 7.

Referring to fig. 1-3, in order to drive the rotating shaft 3 to rotate, thereby realizing the exchange of the working table 7, the adjusting mechanism in this embodiment includes a motor 10 installed on the base 1, a rotating rod 11 is fixedly installed at an output shaft of the motor 10, the rotating rod 11 penetrates through the vertical plate 8 on one side and the adjusting box 2 and extends to an inner cavity of the vertical plate 8 on the other side, a thread is arranged on a surface of the rotating rod 11 located in the inner cavity of the adjusting box 2, a first bevel gear 15 is fixedly installed on a surface of the rotating rod 11 located in the inner cavity of the vertical plate 8, and the rotating rod 11 and the first bevel gear 15 are driven to rotate through the setting of the motor 10.

The surface of the rotating rod 11 positioned in the inner cavity of the adjusting box 2 is in threaded connection with a fixing frame 12, the overlooking cross section of the fixing frame 12 is in a U shape, and one end surface of the fixing frame 12 is attached to the surface of the inner cavity of the adjusting box 2, so that the fixing frame 12 can only horizontally move left and right under the limiting action of the side wall of the inner cavity of the adjusting box 2, the overlooking cross section of the fixing frame 12 is in the U shape, a fixing rod 13 is fixedly installed in a concave part of the fixing frame 12, a rack 14 meshed with the gear 4 is connected to the surface of the fixing rod 13 in a sliding mode, and the overlooking cross section of the rack 14 is in the T shape.

The adjusting mechanism further comprises a reciprocating screw rod 16 which is rotatably connected to the top of the inner cavity of the vertical plate 8, a second bevel gear 17 meshed with the first bevel gear 15 is fixedly installed at the bottom of the reciprocating screw rod 16, under the meshing action of the first bevel gear 15 and the second bevel gear 17, when the rotating rod 11 rotates, the reciprocating screw rod 16 can be driven to rotate, the surface thread of the reciprocating screw rod 16 is connected to a movable plate 18 with the surface sliding on the vertical rod 9, and under the limiting effect of the vertical rod 9, the movable plate 18 can only vertically move up and down when the reciprocating screw rod 16 rotates.

The movable plate 18 is slidably connected with a movable frame 19 penetrating through the movable plate 18, the side view cross section of the movable frame 19 is U-shaped, and the size of the top of the movable frame 19 is matched with the size of the groove 6, so that the movable plate 18 is just inserted into the groove 6, a spring 20 fixedly connected with the movable plate 18 is fixedly arranged in a concave position of the movable frame 19, and the spring 20 plays a role in springback.

It should be noted that, when the mounting plate 5 is located right above the vertical plate 8, the position of the movable frame 19 corresponds to the position of the groove 6, and the stroke of the rack 14 is exactly twice of the reciprocating thread stroke of the reciprocating screw rod 16.

The working principle of the above embodiment is as follows:

when in use, the rotating rod 11 and the first bevel gear 15 are driven to rotate only by the motor 10, wherein when the rotating rod 11 rotates, the fixed frame 12 is driven to move left and right, so as to drive the rack 14 to move, and the rotating shaft 3 rotates under the action of the gear 4, so as to realize the exchange of the two working tables 7, while the first bevel gear 15 rotates, the reciprocating screw rod 16 is driven to rotate by the second bevel gear 17 meshed with the first bevel gear 15, so as to lead the movable frame 19 to be drawn out from the groove 6, because the overlooking cross section of the fixed frame 12 is U-shaped and the overlooking cross section of the rack 14 is T-shaped, the fixed frame 12 drives the rack 14 to move after moving for a certain distance, and in the process, the movable frame 19 is drawn out from the groove 6 first, so as to ensure that the mounting plate 5 can rotate, and because the stroke of the rack 14 is exactly twice as that of the reciprocating screw thread stroke of the reciprocating screw rod 16, after the exchange is accomplished, adjustable shelf 19 can remove to recess 6 again, under spring 20's effect, make adjustable shelf 19 not correspond with recess 6 when, can be compressed, thereby guarantee that mounting panel 5 can normally rotate, and can not receive adjustable shelf 19's influence, and when adjustable shelf 19 removes to recess 6 corresponds when, under spring 20's effect, adjustable shelf 19 can reinsert in recess 6, because the stroke of rack 14 is fixed, consequently, 3 angles that can only rotate the correspondence of pivot, thereby guarantee the accuracy of location, support and spacing mounting panel 5 through adjustable shelf 19 simultaneously, guarantee stability, and then realized the accurate and stable good purpose in location.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an exchange mechanism of horizontal longmen machining center workstation, includes base (1) and adjustment mechanism, its characterized in that: the adjustable lifting device is characterized in that an adjusting box (2) is fixedly mounted at the top of the base (1), the top of the base (1) is rotatably connected with a rotating shaft (3) which penetrates through and extends to the upper part of the adjusting box (2), the rotating shaft (3) is positioned in the inner cavity of the adjusting box (2) and is fixedly provided with a gear (4), a mounting plate (5) is fixedly mounted at the top of the rotating shaft (3), two grooves (6) are formed in the bottom of the mounting plate (5), two workbenches (7) are fixedly mounted at the top of the mounting plate (5), two vertical plates (8) which are positioned at two sides of the adjusting box (2) are fixedly mounted at the top of the base (1), vertical rods (9) are fixedly mounted in the inner cavities of the two vertical plates (8), and the adjusting mechanism is arranged on the base (1);

the adjusting mechanism comprises a motor (10) and a reciprocating screw rod (16), the motor (10) is fixedly installed on a base (1), the reciprocating screw rod (16) is rotatably connected in a vertical plate (8), a rotating rod (11) is fixedly installed at an output shaft of the motor (10), the rotating rod (11) penetrates through the vertical plate (8) on one side and an adjusting box (2) and extends to an inner cavity of the vertical plate (8) on the other side, a fixing frame (12) is connected to the surface of the rotating rod (11) in the inner cavity of the adjusting box (2) in a threaded manner, a fixing rod (13) is fixedly installed in a concave position of the fixing frame (12), a rack (14) meshed with a gear (4) is connected to the surface of the fixing rod (13) in a sliding manner, a first bevel gear (15) is fixedly installed on the surface of the rotating rod (11) in the inner cavity of the vertical plate (8), a second bevel gear (17) meshed with the first bevel gear (15) is fixedly installed at the bottom of the reciprocating screw rod (16), the surface of the reciprocating screw rod (16) is in threaded connection with a movable plate (18) which slides on the surface of the vertical rod (9), the movable plate (18) is connected with a movable frame (19) which penetrates through the movable plate (18) in a sliding mode, and a spring (20) which is fixedly connected with the movable plate (18) is fixedly installed at a concave position of the movable frame (19).

2. The exchange mechanism of the horizontal gantry machining center workbench according to claim 1, wherein: two the riser (8) are open-top's plate body, and the opening communicates with the inner chamber of riser (8).

3. The exchange mechanism of the horizontal gantry machining center workbench according to claim 1, wherein: the surface of the rotating rod (11) positioned in the inner cavity of the adjusting box (2) is provided with threads.

4. The exchange mechanism of the horizontal gantry machining center workbench according to claim 1, characterized in that: the overlook cross-section of mount (12) is the U-shaped, and the inner chamber surface laminating of the one end surface and regulating box (2) of mount (12).

5. The exchange mechanism of the horizontal gantry machining center workbench according to claim 1, characterized in that: the overlook cross section of rack (14) is the T font.

6. The exchange mechanism of the horizontal gantry machining center workbench according to claim 1, characterized in that: the side-view cross section of the movable frame (19) is U-shaped, and the size of the top of the movable frame (19) is matched with that of the groove (6).