CN103894850A - Automatic turning clamp saving space - Google Patents

Abstract

The invention discloses a space-saving automatic turning fixture, which comprises a support seat (1), a turning frame (2), a pressing frame (3), a supporting plate (4), an upper driving cylinder (11), and a lower driving cylinder (12) and the rotating motor (13), the overturning frame (2) is rotatably installed in the shaft hole of the support plate (5) of the support plate (4), and the compression frame (3) is installed on the upper surface of the overturning frame (2) , a support plate (4) is installed in each through hole (10), and the ends of the support plates (4) located at the same height of the same support plate are connected as a whole through the connecting plate, and the connecting plate is connected with the drive cylinder, the rotating motor ( 13) The output shaft is connected to the rotating shaft (6) for transmission. The beneficial effects of the invention are: simple structure, convenient operation, can process both sides of the workpiece, improve processing efficiency, can realize automatic rotation and positioning of the workpiece after clamping, and has a high degree of automation.

Description

A space-saving automatic flip fixture

technical field

The invention relates to the technical field of machine tool auxiliary fixtures, in particular to a space-saving automatic flipping fixture.

Background technique

Lathe processing products are usually processed on one side and clamped again to process the other side, or products with a certain angle are positioned and clamped by tooling according to the angle, and the angle turning is realized through the fixture, and the processing is carried out in sequence, usually in multiple installments Clamping completes a part, and often a product in mass production needs to be realized on several machine tools. For small-batch products, one side is usually processed first, and then the other side is processed. The processing efficiency is relatively low. Emphasis on the concentration of processes, the application of functional fixtures is becoming more and more urgent.

Contents of the invention

The object of the present invention is to overcome the disadvantages of the prior art, and provide a space-saving automatic flip fixture with simple structure, high degree of automation and improved processing efficiency.

The purpose of the present invention is achieved through the following technical solutions: a space-saving automatic flip fixture, which includes a support seat, a flip frame, a pressing frame, a support plate, an upper drive cylinder, a lower drive cylinder and a rotary motor, and the upper part of the support seat There are two supporting plates arranged in parallel, the flipping frame is arranged between the two supporting plates, a rotating shaft is arranged on the edge of the turning frame close to the two supporting plates, and a rotating shaft is arranged on the two supporting plates. Shaft holes, the two rotating shafts on the overturning frame are rotatably installed in the shaft holes of the support plate on the corresponding side, the upper surface of the overturning frame is provided with accommodating grooves, the pressing frame is installed on the upper surface of the overturning frame, and the pressing frame It is connected and fixed with the overturning frame by screws, and the lower surface of the compression frame is provided with accommodating grooves. The central parts of the overturning frame and the compression frame are both connected to the central hole of the accommodating cavity, and through holes are symmetrically arranged on the two support plates. The shape of the through hole matches the cross-section of the support plate. Each support plate is provided with two rows of through holes, and each row of through holes includes at least two through holes located on both sides of the rotating shaft. The through holes in the upper row The top surface of the top surface is flush with the lower surface of the flip frame when the compression frame is horizontally above the flip frame, and the top surface of the through holes in the lower row is flush with the upper surface of the compression frame when the compression frame is horizontally located below the flip frame , the number of support plates is equal to the number of through holes in each row of through holes, a support plate is installed in each through hole, the front end of the support plate penetrates into the corresponding through hole, and the support plates at the same height of the same support plate The end of each connecting plate is connected as a whole through a connecting plate, and each connecting plate is connected with a driving cylinder that drives the support plate to slide along the through hole. The piston rod of the cylinder is connected to the connecting plate B located in the lower row, the rotating motor is fixedly installed on the motor mounting plate, the motor mounting plate is fixedly connected to the support base, and the output shaft of the rotating motor is connected to the rotating shaft on one side of the flip frame through the transmission device. .

The section of the support plate is rectangular.

Each row of through holes includes two through holes, and the two through holes are respectively arranged on two sides of the rotating shaft.

The invention has the following advantages: the invention has simple structure, convenient operation, can process both sides of workpieces, and improves the processing efficiency. Through the rotation of the overturning frame, the compression frame fixedly connected with the overturning frame and the workpiece clamped between the overturning frame and the compression frame are driven to rotate around the axis of rotation. The through hole realizes the support and fixation of the front side of the workpiece or the back side of the workpiece. It realizes two-sided processing in one clamping, reduces clamping errors, avoids pinching of the processing surface, improves work efficiency, and is easy to operate. The rotating motor and driving cylinder are used together with the controller to realize the automatic rotation and positioning of the workpiece after clamping, with a high degree of automation.

Description of drawings

Fig. 1 is a structural representation of the present invention

Fig. 2 is the left view structure schematic diagram of support seat of the present invention

Fig. 3 is the sectional structure schematic diagram of the present invention

Fig. 4 is the cross-sectional structural schematic diagram of the flipping frame of the present invention flipped 180°

In the figure, 1-support seat, 2-overturn frame, 3-pressing frame, 4-support plate, 5-support plate, 6-rotating shaft, 7-accommodating groove, 8-screw, 9-center hole, 10- Through hole, 11-upper drive cylinder, 12-lower drive cylinder, 13-rotary motor, 14-connection plate A, 15-connection plate B. the

Detailed ways

The present invention will be further described below in conjunction with accompanying drawing, protection scope of the present invention is not limited to the following:

As shown in Figures 1 and 3, a space-saving automatic flip fixture includes a support base 1, a flip frame 2, a compression frame 3, a support plate 4, an upper drive cylinder 11, a lower drive cylinder 12 and a rotating motor 13 , as shown in Figure 2, the upper part of the support base 1 is provided with two parallel support plates 5, the overturn frame 2 is arranged between the two support plates 5, and the overturn frame 2 is arranged on the edge close to the two support plates 5 There is a rotating shaft 6, and a shaft hole cooperating with the rotating shaft 6 is arranged on the two supporting plates 5, and the two rotating shafts 6 on the turning frame 2 are all rotatably installed in the shaft holes of the supporting plate 5 on the corresponding side, and the turning frame 2 The upper surface of the upper surface is provided with accommodating groove 7, and the pressing frame 3 is installed on the upper surface of the overturning frame 2, and the pressing frame 3 and the overturning frame 2 are connected and fixed by screws 8, and the lower surface of the pressing frame 3 is provided with an accommodating groove 7. The central parts of the overturning frame 2 and the compression frame 3 are both connected to the central hole 9 of the accommodating cavity, and through holes 10 are symmetrically arranged on the two supporting plates, and the shape of the through holes 10 matches the cross section of the supporting plate 4, In this embodiment, the cross-section of the support plate 4 is rectangular, and each support plate is provided with two rows of through holes 10 up and down, and each row of through holes 10 includes at least two through holes 10 respectively arranged on both sides of the rotating shaft 6. In this embodiment In the example, each row of through holes 10 includes two through holes 10, and the two through holes 10 are respectively arranged on both sides of the rotating shaft 6. The lower surface of the overturning frame 2 is flush, and the top surface of the through holes 10 positioned in the lower row is flush with the upper surface of the compression frame 3 when the compression frame 3 is horizontally located below the overturning frame 2, and the number of supporting plates 4 is the same as that of each The number of through holes 10 in the row of through holes 10 is equal, and a support plate 4 is installed in each through hole 10. The front end of the support plate 4 penetrates into the corresponding through hole 10, and the support plates 4 at the same height of the same support plate The end of each connecting plate is connected as a whole through a connecting plate, and each connecting plate is connected with a driving cylinder that drives the support plate 4 to slide along the through hole 10, and the piston rod of the upper driving cylinder 11 is connected with the connecting plate A14 located in the upper row , the piston rod of the lower drive cylinder 12 is connected to the connecting plate B15 located in the lower row, the rotating motor 13 is fixedly installed on the motor mounting plate, and the motor mounting plate is fixedly connected to the support base 1, and the output shaft of the rotating motor 13 is connected to the rotating machine through the transmission device. The rotating shaft 6 on one side of the frame 2 is connected to the transmission.

The working process of the present invention is as follows: as shown in Fig. 1, Fig. 2 and Fig. 3, the rotary motor 13 drives the overturning frame 2 through the rotating shaft 6 to rotate until its lower surface is flush with the top surface of the upper row of through holes 10, and then the upper layer drives the cylinder The piston rod of 11 stretches out and drives the support plate 4 located in the upper row to be inserted into the upper row of through holes 10, and the support plates 4 in the upper row of through holes 10 of the two support plates extend into the inner side of the support plate symmetrically, and the lower surface of the flip frame The two ends are respectively supported by the supporting plates 4 protruding from the corresponding sides, the workpiece is placed in the accommodation groove 7 of the overturning frame 2, and then the compression frame 3 is fastened to the overturning frame 2, and the upper part of the workpiece is also located on the compression frame 3 In the accommodating groove 7, the overturning frame 2 and the compression frame 3 are connected and fixed by screws 8, so that the workpiece can be clamped by the compression frame 3 and the overturning frame 2. At this time, the processing tool can pass through the compression frame 3 The center of the workpiece is processed on the upper surface of the workpiece. After the upper surface is processed, the piston rod of the upper drive cylinder 11 is retracted, thereby withdrawing the support plates 4 on both sides, and the rotating motor 13 drives the turning frame 2 to rotate 180 degrees around the rotating shaft 6 through the rotating shaft 6. °, then the piston rod of the lower drive cylinder 12 stretches out to drive the support plate 4 located in the lower row to be inserted into the lower through hole 10, and the support plate 4 in the lower through hole 10 of the two support plates extends symmetrically into the inner side of the support plate, The two ends of the lower surface of the overturning frame are respectively supported by the supporting plates 4 protruding from the corresponding sides, so that the upper surface of the pressing frame 3 is fixedly supported by the supporting plates 4, as shown in Figure 4, at this time, the processing tool can be turned over The central hole 9 of the frame processes the lower surface of the workpiece, so that both sides can be processed in one clamping. The present invention reduces the sliding distance of the support plate 4 through the structure of a support plate 4 in each through hole 10, thereby reducing the movement length of the driving cylinder piston rod, and the driving cylinder with a smaller length can be selected, and then The volume of the device is reduced, space is saved, and the support plate 4 operates more stably. the

Claims (3)

1. A space-saving automatic flip fixture, characterized in that it includes a support seat (1), a flip frame (2), a compression frame (3), a support plate (4), an upper drive cylinder (11), a lower Drive the cylinder (12) and the rotary motor (13), the upper part of the support seat (1) is provided with two parallel support plates (5), the flip frame (2) is set between the two support plates (5), and the flip A rotating shaft (6) is provided on the edge of the frame (2) close to the two support plates (5), and a shaft hole matched with the rotating shaft (6) is provided on the two support plates (5), and the frame (2) is turned over ) on the two rotating shafts (6) are both rotatably installed in the shaft holes of the support plate (5) on the corresponding side, and the upper surface of the flip frame (2) is provided with an accommodating groove (7), and the compression frame (3) is installed on the upper surface of the overturning frame (2), and the compression frame (3) and the overturning frame (2) are connected and fixed by screws (8), and the lower surface of the compression frame (3) is provided with accommodating grooves (7). The central parts of the frame (2) and the compression frame (3) are both central holes (9) connected to the accommodation cavity, and through holes (10) are symmetrically arranged on the two support plates, and the shape of the through holes (10) is consistent with the support The cross-sections of the plates (4) match each other, and each support plate is provided with two rows of through holes (10), and each row of through holes (10) includes at least two through holes ( 10), the top surface of the through hole (10) in the upper row is flush with the lower surface of the flip frame (2) when the compression frame (3) is horizontally above the flip frame (2), and the through hole (10) in the lower row ( 10) is flush with the upper surface of the compression frame (3) when the compression frame (3) is horizontally located below the overturned frame (2), and the number of support plates (4) is the same as the number of through holes (10) in each row The number of through holes (10) is equal, and a support plate (4) is installed in each through hole (10), and the front end of the support plate (4) penetrates into the corresponding through hole (10), and is located at the same The ends of the high support plate (4) are connected as a whole through a connecting plate, and each connecting plate is connected with a drive cylinder that drives the support plate (4) to slide along the through hole (10), and the upper drive cylinder (11 ) is connected to the connecting plate A (14) in the upper row, the piston rod of the lower driving cylinder (12) is connected to the connecting plate B (15) in the lower row, and the rotating motor (13) is fixedly installed on the motor mounting plate On the top, the motor mounting plate is fixedly connected to the support seat (1), and the output shaft of the rotating motor (13) is connected to the rotating shaft (6) on one side of the overturning frame (2) for transmission through a transmission device. 2. The space-saving automatic turning fixture according to claim 1, characterized in that: the support plate (4) has a rectangular cross-section. 3. A space-saving automatic flip fixture according to claim 1, characterized in that: each row of through holes (10) includes two through holes (10), and the two through holes (10) are separately arranged on both sides of the rotating shaft (6).

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