CN223531971U - Machining overturning clamp - Google Patents

Abstract

This utility model discloses a machining flipping fixture, including a base with a pair of support seats on the base. A turntable is respectively mounted on the opposite surface of each support seat, and each turntable is rotatably mounted on its corresponding support seat via a rotating shaft. One set of rotating shafts is connected to a driving mechanism, and the two sets of turntables are connected together by a connecting plate. The connecting plate is equipped with a clamping mechanism for fixing the workpiece. This utility model enables rapid and precise adjustment of the workpiece tilt angle during machining, meeting the workpiece machining requirements while improving machining quality and efficiency. Furthermore, this application enables simultaneous unclamping of the completed workpiece and clamping of the workpiece to be processed during machining, or simultaneous clamping of two sets of workpieces, further improving machining efficiency.

Description

Machining overturning clamp

Technical Field

The utility model belongs to the technical field of machining, and particularly relates to a machining overturning clamp.

Background

The machining fixture is, in short, a process equipment specially designed and manufactured for accurately positioning and reliably clamping a workpiece in the machining process so as to facilitate machining operations such as cutting, milling, drilling, grinding and the like. The clamp has the main functions of ensuring the position precision of a workpiece in the machining process, preventing the workpiece from moving or deforming due to the action of cutting force, gravity or other external forces, and further ensuring that the machined part meets the design requirements.

In the machining process, a workpiece is often required to be set at a certain inclination angle so as to meet the requirement of workpiece machining, at present, wedges at different angles are usually used for realizing the setting of different inclination angles of the workpiece, but the setting mode cannot meet the requirement of continuous adjustment of different inclination angles of the workpiece, and the adjustment is time-consuming and labor-consuming and seriously affects the machining efficiency, so that a machining overturning clamp is required to be designed, thereby effectively solving the technical problems

Disclosure of utility model

In order to solve the problems in the prior art, the utility model aims to provide a machining overturning clamp which can realize the adjustment of the angle of a workpiece while clamping the workpiece, and improve the machining quality and the machining efficiency.

In order to achieve the technical purposes and effects, the utility model is realized by the following technical scheme:

A machining overturning clamp comprises a base, wherein a pair of supporting seats are arranged on the base, a turntable is respectively arranged on the opposite surfaces of the supporting seats, the turntables are respectively and rotatably arranged on the corresponding supporting seats through a rotating shaft, one group of the rotating shafts are connected with a driving mechanism, the two groups of the turntables are connected together through a connecting plate, and a clamping mechanism capable of fixing a workpiece is arranged on the connecting plate.

Further, the supporting seats comprise lower supports fixedly connected with the base and upper supports arranged on the lower supports, and the turntables are rotatably arranged on the corresponding upper supports through the rotating shafts.

Further, a limiting block is arranged between the lower support and the upper support.

Further, a circle of scales is carved on the side wall of one group of the turntables, and an arrow is arranged on the upper support on which the turntables with the scales are installed.

Further, the clamping mechanism comprises a pair of bearing blocks, a movable clamping plate is arranged between the pair of bearing blocks, a fixed clamping block is respectively arranged at two ends of the pair of bearing blocks, a rotatable screw rod is arranged between the pair of fixed clamping blocks, and one end of the screw rod is connected with a first driving motor through a synchronous belt wheel assembly while the screw rod penetrates through the movable clamping plate.

Further, the fixture comprises a pair of bearing blocks, a pair of movable clamping plates are arranged between the pair of bearing blocks, a pair of fixed clamping blocks are respectively arranged at two ends of the pair of bearing blocks, a rotatable screw rod is arranged between the pair of fixed clamping blocks, and one end of the screw rod is connected with a first driving motor through a synchronous belt wheel assembly while the screw rod penetrates through the pair of movable clamping plates.

Furthermore, the left and right half parts of the screw rod are provided with threads in opposite directions, and the left and right half parts are respectively provided with the movable clamping plates.

Further, the clamping mechanism further comprises a pair of linear guide rails, the pair of linear guide rails are respectively arranged at two ends of the movable clamping plate, and the direction of the pair of linear guide rails is parallel to the screw rod.

Further, a positioning groove is formed in the connecting plate.

Further, the driving mechanism main body is a second driving motor, and the second driving motor is connected with the corresponding rotating shaft through a coupler.

The utility model has the beneficial effects that the quick and accurate adjustment of the inclination angle of the workpiece in the machining process is realized, the machining quality and the machining efficiency are improved while the machining requirement of the workpiece is met, and secondly, the synchronous clamping of the workpiece to be machined and the workpiece to be machined is realized or the clamping of two groups of workpieces is simultaneously carried out in the machining process, so that the machining efficiency is further improved.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of a first embodiment of a clamp according to the present utility model;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

FIG. 3 is a cross-sectional view of a first embodiment of the clamp of the present utility model;

FIG. 4 is a schematic view of a first embodiment of a clamping mechanism according to the present utility model;

FIG. 5 is a schematic view of a first embodiment of a clamping mechanism according to the present utility model;

FIG. 6 shows the present utility model a connecting plate structure schematic diagram;

FIG. 7 is a schematic view of a second embodiment of a clamping mechanism according to the present utility model;

fig. 8 is a partial schematic view of a screw in a second embodiment of the present utility model.

The reference numerals in the drawing indicate that 1, a base, 2, a supporting seat, 3, a turntable, 4, a rotating shaft, 5, a driving mechanism, 6, a connecting plate, 7, a clamping mechanism, 21, a lower support, 22, an upper support, 23, a limiting block, 31, scales, 51, a second driving motor, 52, a coupler, 71, a bearing block, 72, a movable clamping plate, 73, a fixed clamping block, 74, a screw rod, 75, a synchronous pulley assembly, 76, a first driving motor, 77, a linear guide rail, 221 and an arrow.

Detailed Description

The utility model will be described in detail below with reference to the drawings in combination with embodiments.

It should be noted that all directional indicators (such as up, down, left, right, front, rear, upper, lower, top, bottom) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.

Example 1

Referring to fig. 1 and 3, a machining turnover fixture comprises a base 1, wherein a pair of supporting seats 2 are arranged on the base 1, rotating discs 3 are respectively arranged on opposite surfaces of the supporting seats 2, the rotating discs 3 are respectively and rotatably arranged on the corresponding supporting seats 2 through a rotating shaft 4, one group of the rotating shafts 4 is connected with a driving mechanism 5, two groups of the rotating discs 3 are connected together through a connecting plate 6, and a clamping mechanism 7 capable of fixing workpieces is arranged on the connecting plate 6.

Further, referring to fig. 3, in this embodiment, the supporting base 2 includes a lower supporting base 21 and an upper supporting base 22, when the device is installed, the lower supporting base 21 is locked on the base 1 by a corresponding locking bolt, and the upper supporting base 22 is locked on the lower supporting base 21 by a corresponding locking bolt, wherein, in order to position the upper supporting base 22 and the lower supporting base 21 and avoid mutual play after the two are connected, a limiting block 23 is disposed between the lower supporting base 21 and the upper supporting base 22, and the turntable 3 is rotatably disposed on the corresponding upper supporting base 22 by the rotating shaft 4.

Further, referring to fig. 2, in this embodiment, a circle of scales 31 is engraved on a side wall of one group of the turntable 3, and an arrow 221 is disposed on the upper support 22 on which the turntable 3 engraved with the scales 31 is mounted, and during adjustment, the rotation angle of the turntable 3 can be precisely controlled by matching the arrow 221 with the scales 31, so that precise control of the inclination angle of the workpiece clamped on the clamping mechanism 7 is realized, thereby improving the machining quality, and simultaneously improving the adjustment rate, and further improving the machining efficiency.

Further, referring to fig. 4-5, in this embodiment, the clamping mechanism 7 includes a pair of bearing blocks 71, a movable clamping plate 72 is disposed between a pair of the bearing blocks 71, a fixed clamping block 73 is disposed at two ends of a pair of the bearing blocks 71, a rotatable screw 74 is disposed between a pair of the fixed clamping blocks 73, the screw 74 passes through the movable clamping plate 72, and one end of the screw 74 is connected to a first driving motor 76 through a synchronous pulley assembly 75, and the first driving motor 76 adopts a servo motor.

In the mounting process, a pair of bearing blocks 71 and a pair of fixed clamping blocks 73 are fixed on the upper end surface of the connecting plate 6, and the first driving motor 76 is connected and fixed on the lower end surface of the connecting plate 6 through a corresponding motor bracket, before clamping, it is firstly required to say that in the embodiment, the movable clamping plate 72 can clamp a workpiece through matching with any group of fixed clamping blocks 73, when clamping, after the workpiece is placed on the pair of bearing blocks 71, the first driving motor 76 drives the screw rod 74 to rotate through the synchronous pulley assembly 75, so as to drive the movable clamping plate 72 to move along the screw rod 74, thereby realizing clamping of the workpiece between the movable clamping plate 72 and the fixed clamping blocks 73, wherein the moving direction of the movable clamping plate 72 is realized, or the moving direction of the movable clamping plate 72 is understood to be matched with the fixed clamping blocks 73, the rotating direction of the screw rod 74 is controlled through the first driving motor 76, and in the arrangement, the clamping efficiency of the workpiece can be realized, and the workpiece can be machined when the clamping is completed, and the clamping efficiency is realized.

Further, as shown in fig. 4-5, in this embodiment, in order to ensure that the movable clamping plate 72 can keep stable during moving and avoid shaking or shifting, the clamping mechanism 7 further includes a pair of linear guide rails 77, where the pair of linear guide rails 77 are separately disposed at two ends of the movable clamping plate 72, and the direction in which the pair of linear guide rails 77 are disposed is parallel to the screw rod 74, and when the movable clamping plate is mounted, the guide rails of the pair of linear guide rails 77 are fixed on the connecting plate 6, and the sliding table of the linear guide rails 77 is connected with the movable clamping plate 72 on the corresponding side, and when the movable clamping plate 72 is clamped, the movable clamping plate 72 is driven by the screw rod 74 to move back and forth along the pair of linear guide rails 77.

Further, referring to fig. 6, in this embodiment, in order to improve the accuracy and stability of the bearing blocks 71, the fixed clamping blocks 73, and the linear guide rails 77 of the clamping mechanism 7 with the connecting plate 6, positioning grooves 61 for positioning the bearing blocks 71, the fixed clamping blocks 73, and the linear guide rails are formed in the connecting plate 6.

Further, referring to fig. 3, in this embodiment, the main body of the driving mechanism 5 is a second driving motor 51, and after the second driving motor 51 is fixed on the upper support 22 through a corresponding bracket, the second driving motor 51 is connected to the corresponding rotating shaft 4 through a coupling 52, and the second driving motor 51 is a servo motor.

Example two

Referring to fig. 7-8, unlike the embodiment, in the clamping mechanism 7, a pair of movable clamping plates 72 are disposed between a pair of bearing blocks 71, and the left and right halves of the screw rod 74 are provided with opposite screw threads, after the screw rod 74 passes through the pair of movable clamping plates 72, the left and right halves of the screw rod 74 are respectively provided with one movable clamping plate 72, and in driving, the first driving motor 76 drives the screw rod 74 to rotate through the synchronous pulley assembly 75, so as to drive the pair of movable clamping plates 72 to approach or separate from each other, and in clamping, in this embodiment, the pair of movable clamping plates 72 are respectively matched with the fixed clamping blocks 73 on the corresponding sides thereof, so as to clamp two groups of workpieces at the same time, so that the machining efficiency is effectively improved.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A machining overturning clamp is characterized by comprising a base (1), wherein a pair of supporting seats (2) are arranged on the base (1), a turntable (3) is respectively arranged on the opposite surfaces of the supporting seats (2), the turntables (3) are respectively and rotatably arranged on the corresponding supporting seats (2) through a rotating shaft (4), one group of the rotating shafts (4) is connected with a driving mechanism (5), the two groups of the turntables (3) are connected together through a connecting plate (6), and a clamping mechanism (7) capable of fixing workpieces is arranged on the connecting plate (6).

2. The machining overturning clamp according to claim 1, wherein the supporting seats (2) comprise lower supports (21) fixedly connected with the base (1) and upper supports (22) arranged on the lower supports (21), and the rotary table (3) is rotatably arranged on the corresponding upper supports (22) through the rotary shafts (4).

3. The turning fixture for machining according to claim 2, wherein a limiting block (23) is arranged between the lower support (21) and the upper support (22).

4. The machining overturning jig as claimed in claim 2, wherein a circle of graduations (31) is engraved on the side wall of one group of the turntables (3), and an arrow (221) is provided on the upper support (22) on which the turntables (3) engraved with the graduations (31) are mounted.

5. The machining turnover fixture as set forth in claim 1, wherein the clamping mechanism (7) comprises a pair of bearing blocks (71), a movable clamping plate (72) is arranged between the pair of bearing blocks (71), fixed clamping blocks (73) are respectively arranged at two ends of the pair of bearing blocks (71), a rotatable screw rod (74) is arranged between the pair of fixed clamping blocks (73), and one end of the screw rod (74) is connected with a first driving motor (76) through a synchronous pulley assembly (75) while the screw rod (74) passes through the movable clamping plate (72).

6. The machining turnover fixture as set forth in claim 1, wherein the clamping mechanism (7) comprises a pair of bearing blocks (71), a pair of movable clamping plates (72) are arranged between the pair of bearing blocks (71), a fixed clamping block (73) is respectively arranged at two ends of the pair of bearing blocks (71), a rotatable screw rod (74) is arranged between the pair of fixed clamping blocks (73), and one end of the screw rod (74) is connected with a first driving motor (76) through a synchronous pulley assembly (75) while the screw rod (74) passes through the pair of movable clamping plates (72).

7. The turning fixture for machining according to claim 6, wherein the screw (74) has opposite screw directions for the left and right halves, and the left and right halves are provided with the movable clamping plates (72), respectively.

8. The turning fixture for machining according to claim 5 or 6, wherein the clamping mechanism (7) further comprises a pair of linear guide rails (77), the pair of linear guide rails (77) are respectively arranged at two ends of the movable clamping plate (72), and the direction in which the pair of linear guide rails (77) are arranged is parallel to the screw rod (74).

9. The machining overturning clamp as claimed in claim 1, wherein the connecting plate (6) is provided with a positioning groove (61).

10. The turning fixture for machining according to claim 1, wherein the driving mechanism (5) is a second driving motor (51), and the second driving motor (51) is connected with the corresponding rotating shaft (4) through a coupling (52).