Turnover jig

Abstract

The utility model relates to the technical field of overturning jigs, in particular to an overturning jig which comprises a suspension frame, a rotating air cylinder and a main shaft, the main shaft is rotatably installed on the suspension frame, an installation frame is arranged on one side of the rotating air cylinder, the rotating air cylinder is installed on the bottom edge of the suspension frame through the installation frame, and a transmission assembly is installed between the tail end of the main shaft and the output end of the rotating air cylinder. A sliding rail is fixedly arranged in the middle of the main shaft, a sliding block is detachably installed on the sliding rail, a suspension is matched with the main shaft to load a long-stroke clamping jaw air cylinder and is matched with a rotating air cylinder to achieve overturning clamping operation, the main shaft and the rotating air cylinder are connected through a transmission assembly, and an S-shaped plate spring with an adjustable compression stroke is arranged in the transmission assembly. The device can be used for compensating stroke errors, absorbing vibration and impact, adjusting torque output, improving system response speed, simplifying structural design and enhancing system stability, mechanical abrasion can be effectively reduced through the elastic characteristic of the device, and the device adapts to different load conditions.

Description

TECHNICAL FIELD

[0001] The utility model relates to a turnover fixture technical field, concretely is a kind of turnover fixture. BACKGROUND

[0002] Turnover fixture is a kind of auxiliary equipment used in industrial production, mainly used in processing or assembly process to overturn workpiece, so as to operate from different angles, it is usually composed of mechanical arm, fixture and control system, can realize the accurate overturning and positioning of workpiece, turnover fixture is widely used in automobile manufacturing, aerospace, electronic assembly and other fields, can improve production efficiency, reduce manual operation, ensure product quality.

[0003] Turnover fixture can work with other production equipment, realize efficient and accurate production process, but it still has some problems: 1) part of pneumatic turnover fixture may produce slight shaking when running to the end of stroke, this shaking not only affects the precision of workpiece processing, but also may cause unstable clamping force, thereby causing adverse effects on overall production efficiency and product quality;2) for the turnover fixture of direct-connection rotary cylinder, the radial stress of rotary cylinder is unbalanced, easy to produce wear, and the running load is large;Therefore, in view of the above status, it is urgent to develop a kind of turnover fixture to overcome the shortcomings in current actual application, meet the current demand. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of turnover fixture to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of turnover fixture, including suspension, rotary cylinder and main shaft, main shaft is rotatably installed on suspension, one side of rotary cylinder is equipped with mounting bracket, rotary cylinder is installed in the bottom edge of suspension by mounting bracket, transmission assembly is installed between the end of main shaft and rotary cylinder output, the middle position of main shaft is fixed with slide rail, slide block is detachably installed on slide rail, the bottom end of slide block is fixed with clamping jaw cylinder;

[0006] Transmission assembly includes transmission disc a, adjusting ring a, retainer, locking block, serpentine plate spring, adjusting ring b and transmission disc b, transmission disc a, transmission disc b are rotatably installed on the two sides of retainer, adjusting ring a is rotatably installed between transmission disc a and retainer, adjusting ring b is rotatably installed between transmission disc b and retainer, serpentine plate spring is embedded and installed in the inside of retainer, locking block for locking adjusting ring a, adjusting ring b is penetrated and arranged on retainer.

[0007] Preferably, the outer wall center position of the transmission disc a is connected with the main shaft, the inner wall middle position of the transmission disc a is fixedly provided with a positioning disc, and the inner wall edge position of the transmission disc a is welded with a boss a, and specifically, the two sides of the boss a are tightly attached to the serpentine plate spring and the boss b respectively, and the middle position plays a transmission effect, so that the transmission disc a drives the main shaft to rotate and reset.

[0008] Preferably, the inner wall of the adjusting ring a is welded with a positioning block a, the outer wall of the adjusting ring a is welded with an adjusting handle a, the inner wall of the adjusting ring b is welded with a positioning block b, the outer wall of the adjusting ring b is welded with an adjusting handle b, and the retainer is provided with a through groove for the adjusting handle a and the adjusting handle b to move, and specifically, the positioning block a and the positioning block b of the adjusting ring a and the adjusting ring b can limit the stroke of the boss b and the serpentine plate spring respectively.

[0009] Preferably, the outer wall middle position of the transmission disc b is connected with the output end of the rotary air cylinder, and the inner wall edge position of the transmission disc b is welded with a boss b, and specifically, the boss b can drive the boss a and the transmission disc a to rotate.

[0010] Preferably, the side wall of the retainer is welded with a mounting lug, and the retainer is connected with the suspension through the mounting lug.

[0011] Compared with the prior art, the utility model provides a turnover jig, which has the following beneficial effects:

[0012] It adopts the suspension matched with the main shaft to load the long-stroke clamping jaw cylinder, realizes the turnover clamping operation in cooperation with the rotary air cylinder, adopts the transmission assembly to connect between the main shaft and the rotary air cylinder, the transmission assembly is internally provided with the serpentine plate spring of adjustable compression stroke, can be used for compensating stroke error, absorbing vibration and impact, adjusting torque output, improving system response speed, simplifying structure design and enhancing system stability, the elastic property can effectively reduce mechanical wear, adapts to different load conditions, ensures transmission stability and precision, improves overall performance and reliability, and can guarantee that the rotary air cylinder is balanced in radial stress. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without paying the creative labor:

[0014] Figure 1 It is the front structure schematic view of the utility model;

[0015] Figure 2 It is the overall side view of the utility model;

[0016] Figure 3The utility model discloses transmission assembly explosion map;

[0017] Figure 4 The utility model discloses transmission assembly side view.

[0018] In the drawing: 10, suspension; 20, rotary cylinder; 201, mounting frame; 30, transmission assembly; 301, transmission disc a; 3011, positioning disc; 3012, boss a; 302, adjusting ring a; 3021, positioning block a; 3022, adjusting handle a; 303, retainer; 304, locking pad; 305, serpentine plate spring; 306, adjusting ring b; 3061, positioning block b; 3062, adjusting handle b; 307, transmission disc b; 3071, boss b; 40, main shaft; 50, slide rail; 60, sliding block; 70, clamping jaw cylinder. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the scope of protection of the utility model.

[0020] In the utility model, unless another explicit provision and limitation, the terms "mounting", "connecting", "connecting", "fixing" and other terms should be understood broadly, for example, can be fixed connection, can be detachable connection, or integrated, can be mechanical connection, can be electrical connection, can be direct connection, can be indirect connection through intermediate medium, can be the communication of two elements or the interaction of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0021] Embodiment:

[0022] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a turnover fixture, including suspension 10, rotary cylinder 20 and main shaft 40, main shaft 40 can be rotatably installed on suspension 10, one side of rotary cylinder 20 is equipped with mounting frame 201, rotary cylinder 20 is installed at the bottom edge of suspension 10 by mounting frame 201, transmission assembly 30 is installed between the output end of rotary cylinder 20 and the end of main shaft 40, the middle position of main shaft 40 is fixed with slide rail 50, slide rail 50 is detachably installed with sliding block 60, the bottom end of sliding block 60 is fixed with clamping jaw cylinder 70;

[0023] The transmission assembly 30 comprises a transmission disc a301, an adjusting ring a302, a retainer 303, a locking block 304, a serpentine plate spring 305, an adjusting ring b306 and a transmission disc b307. The transmission disc a301 and the transmission disc b307 are rotatably installed on both sides of the retainer 303. The adjusting ring a302 is rotatably installed between the transmission disc a301 and the retainer 303. The adjusting ring b306 is rotatably installed between the transmission disc b307 and the retainer 303. The serpentine plate spring 305 is embeddedly installed in the interior of the retainer 303. The locking block 304 for locking the adjusting ring a302 and the adjusting ring b306 is arranged on the retainer 303.

[0024] Preferably, the outer wall of the transmission disc a301 is connected with the main shaft 40 at the center position. The positioning disc 3011 is fixedly arranged at the middle position of the inner wall of the transmission disc a301. The boss a3012 is welded at the edge position of the inner wall of the transmission disc a301. Specifically, the boss a3012 is tightly arranged on both sides of the serpentine plate spring 305 and the boss b3071, thereby achieving the transmission effect and driving the main shaft 40 to rotate and reset.

[0025] Preferably, the positioning block a3021 is welded on the inner wall of the adjusting ring a302. The adjusting handle a3022 is welded on the outer wall of the adjusting ring a302. The positioning block b3061 is welded on the inner wall of the adjusting ring b306. The adjusting handle b3062 is welded on the outer wall of the adjusting ring b306. The through slot is arranged on the retainer 303 for the adjusting handle a3022 and the adjusting handle b3062 to move. Specifically, the positioning block a3021 and the positioning block b3061 of the adjusting ring a302 and the adjusting ring b306 can limit the stroke of the boss b3071 and the serpentine plate spring 305, respectively.

[0026] Preferably, the outer wall of the transmission disc b307 is connected with the output end of the rotary air cylinder 20 at the middle position. The boss b3071 is welded on the edge position of the inner wall of the transmission disc b307. Specifically, the boss b3071 can drive the boss a3012 and the transmission disc a301 to rotate.

[0027] Preferably, the mounting lug is welded on the side wall of the retainer 303. The retainer 303 is connected with the suspension 10 through the mounting lug.

[0028] Working principle: through the suspension 10 is installed to the station, first by the gripper cylinder 70 in the initial grabbing position of the material for grabbing, then by rotating cylinder 20 cooperation transmission assembly 30 driven spindle 40 rotation, when the spindle 40 rotates to the set angle to unload, the gripper cylinder 70 will put down the material grabbed, realize a process of grabbing material and turning, here to explain, can be through the adjustment of the slider 60 on the slide rail 50 on the installation position, to adjust the stroke radius of the gripper cylinder 70, can be through the adjustment of transmission assembly 30 to control the transmission strength of rotating cylinder 20, rotating cylinder 20 will drive transmission disc b307 of transmission assembly 30 rotation, in turn by the boss b3071 push and contact with the boss a3012 synchronous rotation, thus drive transmission disc a301 and spindle 40 synchronous rotation, in this process, can be through the adjustment of handle a3022 drive adjusting ring 302 rotation, thus adjusting the position of positioning block a3021, limit the initial position of boss b3070, can be through the adjustment of handle b3062 drive adjusting ring b306 rotation, thus adjusting the position of positioning block b3061, limit the stroke end of the serpentine plate spring 305, so as to control the compression stroke of the serpentine plate spring 305, boss a3012 rotation will compress the serpentine plate spring 305, the serpentine plate spring 305 to its play error compensation, absorption of vibration and impact, etc.

[0029] It should be noted that in this text, such as first and second relationship terms are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "include", "contain" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent in such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the existence of other identical elements in the process, method, article or equipment including the element.

Claims

1. A flipper tool, characterized by: It includes a suspension (10), a rotary cylinder (20) and a main shaft (40), the main shaft (40) is rotatably mounted on the suspension (10), one side of the rotary cylinder (20) is provided with a mounting bracket (201), the rotary cylinder (20) is mounted on the bottom edge of the suspension (10) through the mounting bracket (201), a transmission assembly (30) is mounted between the end of the main shaft (40) and the output end of the rotary cylinder (20), a slide rail (50) is fixedly arranged at the middle position of the main shaft (40), a sliding block (60) is detachably mounted on the slide rail (50), a clamping jaw cylinder (70) is fixedly arranged at the bottom end of the sliding block (60); The transmission assembly (30) includes a transmission disc a (301), an adjusting ring a (302), a retainer (303), a locking block (304), a serpentine plate spring (305), an adjusting ring b (306) and a transmission disc b (307), the transmission disc a (301) and the transmission disc b (307) are rotatably mounted on both sides of the retainer (303), the adjusting ring a (302) is rotatably mounted between the transmission disc a (301) and the retainer (303), the adjusting ring b (306) is rotatably mounted between the transmission disc b (307) and the retainer (303), the serpentine plate spring (305) is embeddedly arranged in the retainer (303), the locking block (304) for locking the adjusting ring a (302) and the adjusting ring b (306) is arranged on the retainer (303).

2. The flipper of claim 1, wherein: The outer wall center of the transmission disc a (301) is connected with the main shaft (40), the inner wall middle of the transmission disc a (301) is fixedly provided with a positioning disc (3011), and the inner wall edge of the transmission disc a (301) is welded with a boss a (3012).

3. The flipper of claim 1, wherein: The inner wall of the adjusting ring a (302) is welded with a positioning block a (3021), the outer wall of the adjusting ring a (302) is welded with an adjusting handle a (3022), the inner wall of the adjusting ring b (306) is welded with a positioning block b (3061), the outer wall of the adjusting ring b (306) is welded with an adjusting handle b (3062), and the retainer (303) is provided with a through groove for the adjusting handle a (3022) and the adjusting handle b (3062).

4. The flipper of claim 1, wherein: The outer wall middle of the transmission disc b (307) is connected with the output end of the rotary cylinder (20), and the inner wall edge of the transmission disc b (307) is welded with a boss b (3071).

5. The flipper of claim 1, wherein: The side wall of the retainer (303) is welded with a mounting lug, and the retainer (303) is connected with the suspension (10) through the mounting lug.

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