CN216178718U

CN216178718U - Fixing and clamping device for numerical control machining center

Info

Publication number: CN216178718U
Application number: CN202122673991.8U
Authority: CN
Inventors: 柴琦; 杨连胜; 保立国; 王玉龙
Original assignee: Cangzhou Maosheng Hardware Manufacturing Co ltd
Current assignee: Cangzhou Maosheng Hardware Manufacturing Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-04-05
Anticipated expiration: 2031-11-03

Abstract

The utility model discloses a fixed clamping device for a numerical control machining center, which comprises a base, a driving cylinder and a stabilizing mechanism, wherein the driving cylinder is fixed at the top of the base, a movable clamping plate is arranged at the end part of the driving cylinder, a fixed clamping plate is also arranged on the upper surface of the base, the stabilizing mechanism comprises a vertical frame, transverse frames, a stabilizing assembly and mounting screws, two ends of the U-shaped vertical frame are respectively fixed on the front surface and the rear surface of the base through the screws, one ends of the two transverse frames are mounted on the vertical frame through the mounting screws, and the other ends of the transverse frames are provided with the stabilizing assembly; according to the utility model, the fixing mechanism is arranged, so that clamping, fixing and processing of the workpiece are not influenced, the exposed part of the workpiece can be supported stably, the situation that the processing position of the exposed part of the workpiece is changed due to deviation in processing is avoided, the probability of influencing the processing precision of the workpiece is reduced, and the clamping and stabilizing space of the whole stabilizing mechanism is adjustable.

Description

Fixing and clamping device for numerical control machining center

Technical Field

The utility model belongs to the technical field of fixed clamping devices, particularly relates to a fixed clamping device for a numerical control machining center, and particularly relates to a pneumatic clamp for the numerical control machining center.

Background

Numerical control machining refers to a process method for machining parts on a numerical control machine tool, and the process rules of numerical control machine machining and traditional machine tool machining are consistent on the whole, but are obviously changed. The machining method uses digital information to control the displacement of parts and tools. The pneumatic clamp is one of devices used in a numerical control machining center, and is a clamp for positioning and clamping a workpiece by using compressed air pressure.

When an existing pneumatic clamp fastens a workpiece clamp, the size of some workpieces is irregular or the whole length of the workpieces is long, so that a part of the workpieces is exposed outside, the exposed part of the workpieces possibly deviates due to impact during machining, and the machining precision is affected due to the deviation of the machining position of the workpieces.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fixing and clamping device for a numerical control machining center, which aims to solve the problem that when a pneumatic clamp provided in the background technology clamps and fastens a workpiece, part of the workpiece is exposed outside due to irregular size or long overall length of the workpiece, and the processing precision is affected due to the fact that the processing position of the workpiece deviates due to impact when the exposed part of the workpiece is processed.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a fixed clamping device for numerical control machining center, includes the base, drives actuating cylinder and stabilizing mean, it fixes at the base top to drive actuating cylinder, it installs movable splint to drive actuating cylinder tip, the base upper surface still is provided with solid fixed splint, stabilizing mean includes grudging post, crossbearer, firm subassembly and mounting screw, the U type the grudging post both ends are passed through the screw and are fixed respectively at base front and back surface, two crossbearer one end is passed through mounting screw and is installed on the grudging post, firm subassembly, two are installed to the crossbearer other end firm subassembly is located movable splint top relatively.

Preferably, the stabilizing assembly comprises an installation clamping plate, a rotating plate, a ball head screw, a sliding rod and a limiting ring, the U-shaped installation clamping plate is fixed at the end part of the cross frame, the rotating plate is rotatably installed in the installation clamping plate, the ball head screw is vertically installed on the rotating plate, and the sliding rod and the limiting ring are arranged between the installation clamping plate and the rotating plate.

Preferably, an arc-shaped sliding hole is formed in the surface of the mounting clamping plate, the lower end of the sliding rod is fixed to the surface of the rotating plate, the upper end of the sliding rod penetrates through the arc-shaped sliding hole and is exposed to the outside, and the limiting ring is sleeved at the end of the sliding rod in a rotating mode and is in contact limiting with the outer surface of the mounting clamping plate.

Preferably, a rotating shaft is arranged between the rotating plate and the mounting clamping plate, and the ball head screw is in threaded connection with the rotating plate.

Preferably, the cross frame comprises a lower plate, an upper plate and connecting bolts, the lower plate is fixed on the upper surface of the vertical frame, a plurality of grooves are uniformly formed in the surface of the lower plate, the upper plate is located above the lower plate, and the connecting bolts penetrate through the upper plate and are in threaded connection with the grooves.

Preferably, a plurality of thread grooves are uniformly formed in the surface of the vertical frame, and the mounting screws penetrate through the transverse frame and extend into the thread grooves.

Preferably, a piston rod is arranged in the driving cylinder, and the end part of the piston rod is fixed on the side surface of the movable clamping plate.

Compared with the prior art, the utility model has the beneficial effects that:

(1) according to the utility model, the fixing mechanism is arranged, so that clamping, fixing and processing of the workpiece are not influenced, the exposed part of the workpiece can be supported stably, the situation that the processing position of the exposed part of the workpiece is changed due to deviation in processing is avoided, the probability of influencing the processing precision of the workpiece is reduced, and the clamping and stabilizing space of the whole stabilizing mechanism is adjustable.

(2) The utility model utilizes the adjustability of the length of the cross frame to conveniently adjust the position of the stabilizing assembly according to the clamping position of the workpiece, so that the stabilizing assembly is positioned at the proper position for supporting and stabilizing the workpiece, and the use convenience of the whole stabilizing mechanism and the pneumatic clamp is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the securing mechanism of the present invention;

FIG. 3 is a schematic structural view of a stabilizing assembly of the present invention;

FIG. 4 is an enlarged partial view of the cross-frame of the present invention;

in the figure: 1. a base; 2. a driving cylinder; 3. a movable splint; 4. a stabilizing mechanism; 41. erecting a frame; 42. a cross frame; 421. a lower plate; 422. an upper plate; 423. a connecting bolt; 43. a stabilizing assembly; 431. mounting a clamping plate; 432. a rotating plate; 433. a ball head screw; 434. a slide bar; 435. a limiting ring; 44. mounting screws; 5. fixing the clamping plate; 6. an arc-shaped sliding hole.

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. 1-4, the present invention provides a technical solution: a fixed clamping device for a numerical control machining center comprises a base 1, a driving cylinder 2 and a stabilizing mechanism 4, wherein the driving cylinder 2 is fixed at the top of the base 1 and is connected with the base 1 through a screw, a subsequent driving cylinder 2 can be disassembled, a movable clamping plate 3 is installed at the end part of the driving cylinder 2, a fixed clamping plate 5 is further arranged on the upper surface of the base 1, the stabilizing mechanism 4 comprises a vertical frame 41, a transverse frame 42, a stabilizing component 43 and a mounting screw 44, two ends of the U-shaped vertical frame 41 are respectively fixed on the front surface and the rear surface of the base 1 through screws, the subsequent vertical frame 41 can be disassembled, one end of each transverse frame 42 is installed on the vertical frame 41 through the mounting screw 44, the positions of the two transverse frames 42 on the vertical frame 41 can be changed, the stabilizing component 43 is installed at the other end of each transverse frame 42, the two stabilizing components 43 are relatively positioned above the movable clamping plate 3, and the two stabilizing components 43 can support and stabilize the exposed part of a workpiece, through being provided with stabilizing mean 4, neither influence the tight fixed of clamp and the processing to the work piece, can expose the part to support firm again to the work piece that exposes, avoid the work piece to expose the part because the skew appears in the processing and cause the condition that the processing position changed to reduce the probability that influences work piece machining precision, and the 4 chucking of whole stabilizing mean stabilizes the space and is adjustable.

In this embodiment, preferably, the stabilizing assembly 43 includes a mounting clamping plate 431, a rotating plate 432, a ball-end screw 433, a sliding rod 434 and a limiting ring 435, the U-shaped mounting clamping plate 431 is fixed at the end of the cross frame 42, the rotating plate 432 is rotatably mounted in the mounting clamping plate 431, the angle of the rotating plate 432 can be changed, so as to change the supporting and stabilizing angle of the ball-end screw 433, the ball-end screw 433 is vertically mounted on the rotating plate 432, the sliding rod 434 and the limiting ring 435 are disposed between the mounting clamping plate 431 and the rotating plate 432, an arc-shaped sliding hole 6 is formed on the surface of the mounting clamping plate 431, the lower end of the sliding rod 434 is fixed on the surface of the rotating plate 432, the upper end of the sliding rod 434 passes through the arc-shaped sliding hole 6 and is exposed to the outside, the limiting ring 435 is rotatably sleeved on the end of the sliding rod 434 and is in contact with the outer surface of the mounting clamping plate 431 for limiting, the position of the sliding rod 434 is limited by the frictional resistance of the contact, so as to limit the angle of the rotating plate 432, by disposing the stabilizing assembly 43, the ball head screw 433 can be adjusted according to the exposed part of the workpiece to support the stable angle and position, and can be always in contact with the surface of the workpiece to support in a certain range, so that the installation and use range of the whole stable mechanism 4 is enlarged.

In this embodiment, preferably, a rotating shaft is disposed between the rotating plate 432 and the mounting clamping plate 431, the rotating plate 432 can be rotated conveniently by the rotating shaft, the ball screw 433 is connected with the rotating plate 432 in a threaded manner, and the ball screw 433 can be rotated and moved, so that the ball end of the ball screw 433 is supported in contact with the surface of the workpiece.

In this embodiment, preferably, the cross frame 42 includes a lower plate 421, an upper plate 422 and a connecting bolt 423, the lower plate 421 is fixed on the upper surface of the vertical frame 41, and a plurality of grooves are uniformly formed in the surface, which is convenient for changing the position of the connecting bolt 423, the upper plate 422 is located above the lower plate 421, the length between the two is adjustable, the connecting bolt 423 penetrates through the upper plate 422 and is in threaded connection with the grooves, the position of the stabilizing component 43 is convenient to adjust according to the clamping position of the workpiece by utilizing the adjustability of the length of the cross frame 42, so that the stabilizing component 43 is located at a proper position for supporting the workpiece, and the use convenience of the whole stabilizing mechanism 4 and the pneumatic fixture is improved.

In this embodiment, preferably, a plurality of thread grooves are uniformly formed on the surface of the stand 41, the mounting screws 44 pass through the cross frame 42 and extend into the thread grooves, and the distance between the two cross frames 42 can be adjusted by combining the thread grooves with the mounting screws 44.

In this embodiment, preferably, a piston rod is disposed inside the driving cylinder 2, and an end of the piston rod is fixed on a side surface of the movable clamp plate 3.

The type of the driving cylinder 2 is SC 50-100-50-S-FA.

The working principle and the using process of the utility model are as follows: when the utility model is used, the stabilizing mechanism 4 is fixed on the surface of the base 1 through screws, the connecting bolt 423 can be taken down according to the size of a batch of workpieces to be processed, the length between the upper plate 421 and the lower plate 422 is adjusted to be proper, the upper plate and the lower plate 422 are fixed through the connecting bolt 423, the stabilizing component 43 is at a proper supporting position, the workpieces are placed between the fixed clamping plate 5 and the movable clamping plate 3, the driving cylinder 2 works, the inner piston rod extends out to drive the movable clamping plate 3 to move, the movable clamping plate 3 is in contact with the surface of the workpieces for clamping, the rotating plate 432 can rotate for the exposed parts of the workpieces, the supporting angle of the ball head screw 433 is changed, the sliding rod 434 moves in the arc-shaped sliding hole 6 until the angle of the ball head screw 433 is proper, the screwing limiting ring 435 is in contact with the surface of the mounting clamping plate 431 for limiting the angle of the sliding rod 434 and the rotating plate 432, the outer end of the ball head screw 433 is held to rotate and move, until the inner ends of the two ball head screws 433 are in contact with the surface of the workpiece for supporting, the exposed part of the workpiece is stably clamped, the situation that the processing position of the exposed part of the workpiece is changed due to deviation in processing is avoided, and therefore the probability of influencing the processing precision of the workpiece is reduced.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fixed clamping device for numerical control machining center, includes base (1), drives actuating cylinder (2) and stabilizing mean (4), it fixes at base (1) top to drive actuating cylinder (2), it installs movable splint (3) to drive actuating cylinder (2) tip, base (1) upper surface still is provided with solid fixed splint (5), its characterized in that: firm mechanism (4) are including grudging post (41), crossbearer (42), firm subassembly (43) and construction screw (44), the U type grudging post (41) both ends are passed through the screw and are fixed respectively at base (1) front and back surface, two crossbearer (42) one end is passed through construction screw (44) and is installed on grudging post (41), firm subassembly (43), two are installed to crossbearer (42) other end firm subassembly (43) is located movable splint (3) top relatively.

2. The fixing and clamping device for the numerical control machining center according to claim 1 is characterized in that: the stabilizing assembly (43) comprises an installation clamping plate (431), a rotating plate (432), a ball head screw (433), a sliding rod (434) and a limiting ring (435), the U-shaped installation clamping plate (431) is fixed at the end of the cross frame (42), the rotating plate (432) is rotatably installed in the installation clamping plate (431), the ball head screw (433) is vertically installed on the rotating plate (432), and the sliding rod (434) and the limiting ring (435) are arranged between the installation clamping plate (431) and the rotating plate (432).

3. The fixing and clamping device for the numerical control machining center according to claim 2 is characterized in that: the surface of the mounting clamping plate (431) is provided with an arc-shaped sliding hole (6), the lower end of the sliding rod (434) is fixed on the surface of the rotating plate (432), the upper end of the sliding rod (434) penetrates through the arc-shaped sliding hole (6) to be exposed to the outside, and the limiting ring (435) is sleeved at the end part of the sliding rod (434) in a screwing manner and is in contact limiting with the outer surface of the mounting clamping plate (431).

4. The fixing and clamping device for the numerical control machining center according to claim 2 is characterized in that: a rotating shaft is arranged between the rotating plate (432) and the mounting clamping plate (431), and the ball head screw rod (433) is in threaded connection with the rotating plate (432).

5. The fixing and clamping device for the numerical control machining center according to claim 1 is characterized in that: the transverse frame (42) comprises a lower plate (421), an upper plate (422) and connecting bolts (423), the lower plate (421) is fixed on the upper surface of the vertical frame (41), a plurality of grooves are uniformly formed in the surface of the lower plate, the upper plate (422) is located above the lower plate (421), and the connecting bolts (423) penetrate through the upper plate (422) to be in threaded connection with the grooves.

6. The fixing and clamping device for the numerical control machining center according to claim 1 is characterized in that: a plurality of thread grooves are uniformly formed in the surface of the vertical frame (41), and the mounting screws (44) penetrate through the transverse frame (42) and extend into the thread grooves.

7. The fixing and clamping device for the numerical control machining center according to claim 1 is characterized in that: a piston rod is arranged in the driving cylinder (2), and the end part of the piston rod is fixed on the side surface of the movable clamping plate (3).