CN215546899U

CN215546899U - Multi-station numerical control machining center

Info

Publication number: CN215546899U
Application number: CN202121962497.7U
Authority: CN
Inventors: 赵凤达
Original assignee: Sanhe Yueda Machinery Manufacturing Co ltd
Current assignee: Sanhe Yueda Machinery Manufacturing Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-01-18
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses a multi-station numerical control machining center which comprises a machining platform and a clamp frame, wherein numerical control equipment is arranged at the central position of the upper end of the machining platform, an annular circular track is arranged at the outer side of the numerical control equipment at the upper end of the machining platform, a plurality of groups of sliding seats are arranged at the upper end of the circular track in a sliding mode, two groups of mounting plates are symmetrically arranged at the upper end of each sliding seat, movable rods are fixedly connected to two sides of the clamp frame, the movable rods at the two sides respectively and movably penetrate through the mounting plates at the two sides and extend to the outer sides of the mounting plates, a screw rod and a sliding rod are transversely and rotatably arranged in the clamp frame, two groups of clamping plates extending to the outer sides are symmetrically arranged on the clamp frame, and the clamping plates are movably sleeved on the outer sides of the screw rod and the sliding rod. The clamping device is simple and reasonable in overall structure arrangement, simple in adjustment mode of the mounting position of the clamp and the angle of the clamp, and suitable for clamping workpieces of different specifications and sizes, has a better practical effect, and is worthy of popularization and application in the existing market.

Description

Multi-station numerical control machining center

Technical Field

The utility model relates to the field of numerical control machining, in particular to a multi-station numerical control machining center.

Background

As is well known, a numerical control machining center is a numerical control machining tool with complete functions; is one of numerical control machines with the highest yield and the most extensive application in the world. The numerical control machining center is a numerical control machine tool which is provided with a tool magazine, can automatically replace a tool and can carry out various machining operations on a workpiece within a certain range. In the mechanical equipment industry, for complex workpieces requiring a plurality of cutters to carry out numerical control cutting from different directions, the traditional method adopts a numerical control multi-axis machining center to carry out machining. The precise rotating mechanism for the numerical control multi-axis machining center is used for changing the direction of the cutter relative to the workpiece, and the cutter changing mechanism is used for changing different cutters, so that the complex workpiece is machined. The machine tool structure of the numerical control multi-axis machining center needs to change angles for many times in the machining process, and the machine tool needs to be provided with a precise rotating mechanism, a tool magazine with a complex structure and a tool changing mechanism, so that the multi-axis numerical control machining center has the disadvantages of complex structure, high failure rate, high cost and low overall working efficiency.

The existing numerical control machining center can enable a cutter to have accuracy and stability, but the stability of a workpiece is poor, so that the numerical control machining center can easily enable the workpiece inside to shake during machining, and other tools are needed to fix the workpiece. But current anchor clamps can only be fixed single work piece, need change fixing tool when fixing other different work pieces, use very inconveniently, and get the in-process to the work piece clamp, to the inconvenient adjustment in angle and the position of anchor clamps, practical effect is not good. Aiming at the problems, the utility model designs a multi-station numerical control machining center.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above defects in the prior art, embodiments of the present invention provide a multi-station numerical control machining center, so as to solve the problems that the conventional fixture proposed in the above background art can only fix a single workpiece, and needs to replace a fixing tool when fixing other different workpieces, which is very inconvenient to use, and in the process of clamping workpieces, the angle and position of the fixture are inconvenient to adjust, and the practical effect is not good.

In order to realize the purpose, the multi-station numerical control machining center comprises a machining platform and a clamp frame, wherein numerical control equipment is arranged at the central position of the upper end of the machining platform, an annular circular track is arranged at the outer side of the numerical control equipment at the upper end of the machining platform, a plurality of groups of sliding seats are arranged at the upper end of the circular track in a sliding manner, two groups of mounting plates are symmetrically arranged at the upper end of each sliding seat, movable rods are fixedly connected to two sides of the clamp frame, the movable rods respectively and movably penetrate through the mounting plates at the two sides and extend to the outer sides of the mounting plates, a screw rod and a sliding rod are transversely and rotatably arranged in the clamp frame, two groups of clamping plates extending to the outer sides are symmetrically arranged on the clamp frame, the clamping plates are movably sleeved at the outer sides of the screw rod and the sliding rod, a first bevel gear is fixedly sleeved at the outer side of the central position of the screw rod, and a rotating shaft is longitudinally and movably penetrated through the upper end of the clamp frame, and the lower end of the rotating shaft is fixedly connected with a second bevel gear meshed with the first bevel gear.

Preferably, a plurality of groups of penetrating mounting holes are uniformly formed in the outer side of the circular track, fasteners inserted with the sliding seats are arranged in the outer sides of the mounting holes in a penetrating mode, and the sliding seats are fixed on the outer side of the circular track through the fasteners matched with nuts.

Preferably, the movable rod and the mounting plate and the rotating shaft and the clamp frame are matched and rotatably connected through bearings.

Preferably, a handle is fixedly sleeved at the outer side end of the movable rod at one side, a ratchet wheel disc is fixedly sleeved at the outer side end of the movable rod at the other side, and a pawl in butt joint with the ratchet wheel disc is arranged at the outer side of the mounting plate at the side.

Preferably, the outer side of the screw rod is provided with threads in opposite directions, and the threads in opposite directions on the outer side of the screw rod are respectively in threaded connection with the two groups of symmetrical clamping plates.

Preferably, the butt joint surfaces of the two groups of clamping plates are provided with friction pads made of rubber.

The utility model has the technical effects and advantages that:

the installation position of the whole clamp is adjusted by sliding the sliding seat on the circular track, and the sliding seat is fixed by matching a fastener; the angle between the mounting plates of the clamp can be adjusted through the rotation of the handle, so that the clamp can be conveniently clamped, and the angle is limited by matching with the ratchet wheel disc and the pawl to realize fixation; in addition, the distance between the two clamping plates for clamping the workpieces is adjusted through the screw rod matched with the limiting structure, the workpieces of different specifications are clamped and fixed conveniently, and the applicability of the whole machine is improved. In conclusion, the clamp is simple and reasonable in overall structure arrangement, simple in adjustment of the mounting position of the clamp and adjustment mode of the angle of the clamp, and suitable for clamping workpieces of different specifications and sizes, has a better practical effect, and is worthy of popularization and application in the existing market.

Drawings

FIG. 1 is a schematic top view of the structure of the present invention.

FIG. 2 is a top view of the fixture frame mounting structure of FIG. 1 according to the present invention.

FIG. 3 is a front view of the fixture frame mounting structure of FIG. 1 according to the present invention.

The reference signs are:

1-processing platform, 2-numerical control equipment, 3-circular ring track, 301-mounting hole, 302-fastener, 4-sliding seat, 5-mounting plate, 6-clamp frame, 7-movable rod, 701-handle, 702-ratchet disc, 703-pawl, 8-screw rod, 9-sliding rod, 10-clamping plate, 11-first bevel gear, 12-rotating shaft and 13-second bevel gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a multi-station numerical control machining center comprises a machining platform 1 and a clamp frame 6 for clamping a workpiece, a numerical control device 2 for numerical control machining is arranged at the central position of the upper end of the machining platform 1, an annular circular track 3 is arranged at the outer side of the numerical control device 2 at the upper end of the machining platform 1, a plurality of groups of sliding seats 4 are slidably arranged at the upper end of the circular track 3, two groups of mounting plates 5 are symmetrically arranged at the upper end of the sliding seats 4, the clamp frame 6 is arranged between the two groups of mounting plates 5, movable rods 7 are fixedly connected to both sides of the clamp frame 6, the movable rods 7 at both sides respectively penetrate through the mounting plates 5 at both sides and extend to the outer sides of the mounting plates 5 to conveniently adjust the angle of the clamp frame 6, a screw 8 and a slide rod 9 are transversely rotatably arranged in the clamp frame 6, and two groups of clamping plates 10 extending to the outer sides are symmetrically arranged on the clamp frame 6, the clamp plate 10 is movably sleeved outside the screw 8 and the slide rod 9, a first bevel gear 11 is fixedly sleeved outside the center of the screw 8, a rotating shaft 12 longitudinally and movably penetrates through the upper end of the clamp frame 6, and a second bevel gear 13 meshed with the first bevel gear 11 is fixedly connected to the lower end of the rotating shaft 12.

Wherein, the circular track 3 outside evenly is provided with the mounting hole 301 that the multiunit runs through, the mounting hole 301 outside runs through the fastener 302 that is provided with grafting sliding seat 4, and fastener 302 cooperation nut is fixed in the outside of circular track 3 with sliding seat 4, the sliding seat 4 in the circular track 3 outside of slip processing platform 1 upper end drives the anchor clamps frame 6 of upper end and slides and adjust the position of anchor clamps frame 6 in the lump, fix sliding seat 4 on circular track 3 behind the mounting hole 301 in grafting sliding seat 4 and the circular track 3 outside through fastener 302.

Wherein, the movable rod 7 and the mounting plate 5 and the rotating shaft 12 and the clamp frame 6 are connected in a matching and rotating way through bearings.

The handle 701 is fixedly sleeved at the outer side end of the movable rod 7 at one side, the ratchet disc 702 is fixedly sleeved at the outer side end of the movable rod 7 at the other side, the pawl 703 in butt joint with the ratchet disc 702 is arranged at the outer side of the mounting plate 5 at the side, and the angle of the adjusted clamp frame 6 is fixed by the butt joint matching of the ratchet disc 702 and the pawl 703 at the outer side of the movable rod 7 at the other side.

Wherein, the screw thread that the screw rod 8 outside was provided with opposite direction, and screw thread that the screw rod 8 outside opposite direction respectively with between the splint 10 of two sets of symmetries threaded connection, can drive the angle between two sets of splint 10 of moving in opposite directions or back to back under the cooperation of spacing slide bar 9 through the screw thread that the screw rod 8 outside opposite direction, realize pressing from both sides the work piece of different specification and dimension and get.

Wherein, the butt joint face of two sets of splint 10 all is provided with the friction pad of rubber material, and the friction pad multiplicable splint 10 presss from both sides the power of getting to the work piece, plays anti-skidding anti-drop effect.

The embodiment of the utility model is as follows: when the utility model is used, the sliding seat 4 slides on the sliding seat 4 outside the circular track 3 at the upper end of the processing platform 1, the sliding seat 4 drives the clamp frame 6 at the upper end to slide together and adjust the position of the clamp frame 6, and then the sliding seat 4 is fixed on the circular track 3 after the sliding seat 4 and the mounting hole 301 at the outer side of the circular track 3 are inserted through the fastening piece 302. Subsequently, the angle of the clamp frame 6 is adjusted according to the production and processing requirements of the numerical control device 2, the limiting of the pawl 703 and the ratchet disc 702 is removed in advance, then the movable rod 7 on one side of the clamp frame 6 is driven to rotate through the handle 701, the movable rod 7 on the other side of the clamp frame 6 is matched with the movable rod 7 to drive the clamp frame 6 to rotate to adjust the clamping angle, and then the adjusted angle of the clamp frame 6 is fixed through the butt joint and matching of the ratchet disc 702 on the outer side of the movable rod 7 on the other side and the pawl 703. Finally, the rotating shaft 12 is driven to rotate through a rotating handle at the upper end of the rotating shaft 12, a second bevel gear 13 at the inner cavity end of the clamp frame 6 of the rotating shaft 12 is meshed with a first bevel gear 11 at the outer side of the driving screw rod 8, so that the screw rod 8 is driven to rotate, and threads in opposite directions on the outer side of the screw rod 8 drive the two groups of clamping plates 10 to move relatively, so that the distance between the two groups of clamping plates 10 is adjusted to be suitable for clamping workpieces with different sizes.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed; secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict; and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a multistation numerical control machining center, includes processing platform (1) and anchor clamps frame (6), processing platform (1) upper end central point puts and is provided with numerical control equipment (2), and the outside that processing platform (1) upper end lies in numerical control equipment (2) is provided with annular circular track (3), its characterized in that: a plurality of groups of sliding seats (4) are arranged at the upper end of the circular track (3) in a sliding way, two groups of mounting plates (5) are symmetrically arranged at the upper end of the sliding seats (4), the two sides of the clamp frame (6) are both fixedly connected with movable rods (7), the movable rods (7) at the two sides respectively and movably penetrate through the mounting plates (5) at the two sides and extend to the outer sides of the mounting plates (5), a screw rod (8) and a slide rod (9) are transversely and rotatably arranged in the clamp frame (6), the clamp frame (6) is symmetrically provided with two groups of clamping plates (10) extending to the outer side, the clamping plate (10) is movably sleeved outside the screw rod (8) and the sliding rod (9), a first bevel gear (11) is fixedly sleeved on the outer side of the central position of the screw rod (8), a rotating shaft (12) is longitudinally and movably penetrated at the upper end of the clamp frame (6), and the lower end of the rotating shaft (12) is fixedly connected with a second bevel gear (13) which is meshed with the first bevel gear (11).

2. The multi-station numerical control machining center according to claim 1, characterized in that: the circular track (3) outside evenly is provided with multiunit mounting hole (301) that run through, fastener (302) that the mounting hole (301) outside was run through and is provided with grafting sliding seat (4), and fastener (302) cooperation nut is fixed in the outside of circular track (3) with sliding seat (4).

3. The multi-station numerical control machining center according to claim 1, characterized in that: the movable rod (7) and the mounting plate (5) and the rotating shaft (12) and the clamp frame (6) are in matched rotating connection through bearings.

4. The multi-station numerical control machining center according to claim 1, characterized in that: the handle (701) is fixedly sleeved at the outer side end of the movable rod (7) at one side, the ratchet disc (702) is fixedly sleeved at the outer side end of the movable rod (7) at the other side, and the pawl (703) in butt joint with the ratchet disc (702) is arranged at the outer side of the mounting plate (5) at the side.

5. The multi-station numerical control machining center according to claim 1, characterized in that: the outer side of the screw rod (8) is provided with threads in opposite directions, and the threads in opposite directions on the outer side of the screw rod (8) are in threaded connection with the two groups of symmetrical clamping plates (10) respectively.

6. The multi-station numerical control machining center according to claim 1, characterized in that: the butt joint surfaces of the two groups of clamping plates (10) are provided with friction pads made of rubber.