Clamping type clamp

Abstract

The utility model discloses a clamping type clamp which comprises an overturning air cylinder and a clamping mechanism, the overturning air cylinder can drive the clamping mechanism to overturn by 90 degrees, the clamping mechanism comprises a clamping air cylinder, a fixed clamping jaw assembly and a movable clamping jaw assembly, and the clamping air cylinder can drive the movable clamping jaw assembly to move in the direction facing or backing on to the fixed clamping jaw assembly. By means of the design, the clamping air cylinder can clamp circular flange workpieces with different diameters by stretching out and drawing back by different lengths, and overturning is achieved; the clamp is applied to hoisting or transferring of the circular flange workpiece, the labor intensity of workers can be reduced, and the assembling efficiency of the circular flange is improved. And meanwhile, the clamp can firmly clamp the workpiece, so that the workpiece is prevented from accidentally falling off and hurting workers.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the assembly technical field of circular flange workpieces, and particularly relates to a clamping type clamp. BACKGROUND

[0002] At present, circular flange workpieces need to be frequently moved manually during hoisting or transfer, and due to different flange diameters and weights, workers have to work hard, and the hoisting or transfer efficiency is low; in addition, for some workpieces with large volume and weight, the workpieces are prone to falling due to unstable gripping during manual transfer, and thus safety accidents occur. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a clamping type clamp, and aims to solve the problems of high labor intensity of workers and low hoisting or transfer efficiency in the prior art.

[0004] The utility model is implemented in the following manner: a clamping type clamp is used for hoisting or transferring circular flanges with different diameters, and the clamp comprises a turnover air cylinder and a clamping mechanism; the piston rod of the turnover air cylinder is hinged to the clamping mechanism; the turnover air cylinder can drive the clamping mechanism to turn 90 degrees; the clamping mechanism comprises a clamping air cylinder, a fixed jaw assembly and a movable jaw assembly; the piston rod of the clamping air cylinder is fixedly connected to the movable jaw assembly; the clamping air cylinder can drive the movable jaw assembly to move towards or away from the fixed jaw assembly, so as to clamp or release the circular flange.

[0005] In a preferred embodiment, the clamping mechanism further comprises a jaw mounting rack, and the fixed jaw assembly and the movable jaw assembly are respectively mounted on two sides of the jaw mounting rack; the movable jaw assembly comprises a movable jaw, a movable jaw mounting arm and a sliding plate; the jaw mounting rack is fixedly provided with a sliding rail; the sliding plate is slidingly embedded in the sliding rail; the sliding plate is fixedly connected to the movable jaw mounting arm; and the movable jaw is mounted on the movable jaw mounting arm.

[0006] In a preferred embodiment, the movable jaw is hinged to the movable jaw mounting arm; the back surface of the movable jaw is provided with elastic pressing members at both ends; the elastic pressing members are mounted on the movable jaw mounting arm and press the back surface of the movable jaw.

[0007] In a preferred embodiment, the fixed jaw assembly comprises a fixed jaw and a fixed jaw mounting arm; the fixed jaw is hinged to the fixed jaw mounting arm; the back surface of the fixed jaw is provided with elastic pressing members at both ends; and the elastic pressing members are mounted on the fixed jaw mounting arm and press the back surface of the fixed jaw.

[0008] In a preferred embodiment, the clamping mechanism further comprises two sets of supporting components, each set of the supporting components comprising a supporting plate, a supporting plate rotating shaft and a supporting plate operating member, the supporting plate being fixed at the bottom end of the supporting plate rotating shaft, and the supporting plate operating member being fixed at the top end of the supporting plate rotating shaft, and each of the fixed jaw mounting arm and the movable jaw mounting arm being provided with a set of the supporting components.

[0009] In a preferred embodiment, the clamp further comprises a rotating gear, a driven gear and a turnover shaft, the piston rod of the turnover cylinder being hingedly connected with the rotating gear, the rotating gear being in mesh with the driven gear, the driven gear being coaxially connected with the turnover shaft, and the turnover shaft being fixedly connected with the jaw mounting frame.

[0010] In a preferred embodiment, the clamp further comprises a connecting flange, an L-shaped connecting arm, a horizontal connecting arm, a vertical connecting arm and a floating cylinder, the connecting flange being used for connecting with external equipment, the L-shaped connecting arm being fixed at the bottom of the connecting flange and having a horizontal end and a vertical end, the top end of the floating cylinder being hingedly connected with the horizontal end of the L-shaped connecting arm, the piston rod of the floating cylinder being hingedly connected with one end of the horizontal connecting arm, and the other end of the horizontal connecting arm being hingedly connected with the vertical end of the L-shaped connecting arm, the top end of the vertical connecting arm being fixedly connected with the horizontal connecting arm, and the bottom end of the vertical connecting arm being fixedly connected with the clamping mechanism, and the floating cylinder being capable of driving the vertical connecting arm to swing up and down when working so as to adjust the horizontal inclination angle of the clamping mechanism.

[0011] In a preferred embodiment, the clamp further comprises a limiting baffle, a movable stop component and a connecting sleeve, the connecting sleeve being fixed at the bottom end of the vertical connecting arm, the turnover shaft and the driven gear being rotatably mounted in the connecting sleeve, the connecting sleeve being provided with a clearance gap corresponding to the position of the driven gear, the limiting baffle being fixed on the outer periphery of the connecting sleeve, and the movable stop component being fixed on the jaw mounting frame and abutting against the limiting baffle when the clamping mechanism is turned over by 90 degrees.

[0012] In a preferred embodiment, the clamp further comprises a control handle, a plurality of function buttons being arranged on the control handle, the function buttons being electrically connected with the corresponding cylinders in the clamp, and the corresponding cylinders in the clamp being capable of being controlled to work by manually controlling the function buttons.

[0013] In a preferred embodiment, the movable jaw assembly further comprises an L-shaped jaw connecting plate, one side of the L-shaped end of the L-shaped jaw connecting plate being fixedly connected with the movable jaw mounting arm, and the other side of the L-shaped end of the L-shaped jaw connecting plate being fixedly connected with the piston rod of the clamping cylinder, and a flexible protective layer being arranged on the side of the L-shaped jaw connecting plate facing the clamping space.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] The clamping fixture provided by the utility model is provided with a turnover air cylinder and a clamping mechanism, the turnover air cylinder can drive the clamping mechanism to turn over 90 degrees, the clamping mechanism comprises a clamping air cylinder, a fixed jaw assembly and a movable jaw assembly, and the clamping air cylinder can drive the movable jaw assembly to move in the direction towards or away from the fixed jaw assembly. Through the above design, the clamping air cylinder can clamp circular flange workpieces of different diameters by stretching and retracting to different lengths, and turnover is realized. The clamping fixture is applied to the hoisting or transfer of circular flange workpieces, so that the labor intensity of workers can be reduced, and the assembly efficiency of the circular flange is improved. Meanwhile, the clamping fixture can firmly clamp the workpiece, so that the workpiece is prevented from accidentally falling and hurting the worker. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a perspective structural schematic view of the clamping fixture provided by the embodiment of the application;

[0017] Figure 2 is Figure 1 is a perspective structural schematic view of the clamping fixture from another angle;

[0018] Figure 3 is a perspective structural schematic view of the clamping mechanism provided by the embodiment of the application;

[0019] Figure 4 is a partial structural schematic view of the clamping fixture provided by the embodiment of the application;

[0020] Figure 5 is a transmission structural schematic view of the turnover air cylinder and the turnover shaft provided by the embodiment of the application.

[0021] Markings in the figure:

[0022] 1, turnover air cylinder; 2, jaw mounting frame; 3, clamping air cylinder; 41, movable jaw; 42, movable jaw mounting arm; 43, sliding plate; 44, L-shaped jaw connecting plate; 51, fixed jaw; 52, fixed jaw mounting arm; 5, sliding rail; 6, flexible protective layer; 7, elastic pressing piece; 8, supporting assembly; a, rotating gear; b, driven gear; c, turnover shaft; d, connecting flange; e, L-shaped connecting arm; f, horizontal connecting arm; g, vertical connecting arm; h, floating air cylinder; i, limiting baffle; j, movable stopper assembly; k, connecting sleeve; m, control handle. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0024] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and is not used to indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model; the terms "first", "second", "third" are only used for description purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two components. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] Please refer to Figure 1 and Figure 2 , a clamping type clamp provided by the embodiment is shown, which comprises a turnover air cylinder 1 and a clamping mechanism, the piston rod of the turnover air cylinder 1 is hinged with the clamping mechanism, the turnover air cylinder 1 can drive the clamping mechanism to overturn 90 degrees, and the clamping mechanism can clamp or release the circular flange workpiece with different diameters.

[0026] Specifically, please refer to Figure 3 , the clamping mechanism comprises a clamping jaw mounting frame 2, a clamping cylinder 3, a fixed clamping jaw assembly and a movable clamping jaw assembly. The fixed clamping jaw assembly and the movable clamping jaw assembly are respectively installed on both sides of the clamping jaw mounting frame 2. The piston rod of the clamping cylinder 3 is fixedly connected with the movable clamping jaw assembly, and the clamping cylinder 3 can drive the movable clamping jaw assembly to move in the direction towards or away from the fixed clamping jaw assembly, so as to clamp or release the circular flange workpiece.

[0027] The movable clamp jaw assembly comprises a movable clamp jaw 41, a movable clamp jaw mounting arm 42, a sliding plate 43 and an L-shaped clamp jaw connecting plate 44. The clamp jaw mounting frame 2 is fixed with a sliding rail 5, the sliding plate 43 is slidingly embedded in the sliding rail 5, the sliding plate 43 is fixedly connected with the movable clamp jaw mounting arm 42, and the movable clamp jaw 41 is mounted on the movable clamp jaw mounting arm 42. The L-shaped end of the L-shaped clamp jaw connecting plate 44 is fixedly connected with the movable clamp jaw mounting arm 42 on one side, and the L-shaped end is fixedly connected with the piston rod of the clamping cylinder 3 on the other side. A flexible protective layer 6 is arranged on the side of the L-shaped clamp jaw connecting plate 44 facing the clamping space, so as to avoid hard collision between the workpiece and the L-shaped clamp jaw connecting plate 44.

[0028] Further, the movable clamp jaw 41 is hinged with the movable clamp jaw mounting arm 42, and the movable clamp jaw 41 can rotate relative to the movable clamp jaw mounting arm 42, so that the movable clamp jaw 41 has a certain swing range to adapt to the arc-shaped edges of the circular flange workpieces of different diameters. The back ends of the movable clamp jaw 41 are provided with elastic pressing members 7, the elastic pressing members 7 are mounted on the movable clamp jaw mounting arm 42 and press the back of the movable clamp jaw 41, and by arranging the elastic pressing members 7, the movable clamp jaw 41 can be prevented from swinging excessively to a certain extent, and the elastic pressing members 7 can also play a buffering role to avoid hard contact between the movable clamp jaw 41 and the workpiece and damage to the workpiece.

[0029] The fixed clamp jaw assembly comprises a fixed clamp jaw 51 and a fixed clamp jaw mounting arm 52. Similarly, the fixed clamp jaw 51 is hinged with the fixed clamp jaw mounting arm 52, and the fixed clamp jaw 51 can rotate relative to the fixed clamp jaw mounting arm 52, so that the fixed clamp jaw 51 has a certain swing range to adapt to the arc-shaped edges of the circular flange workpieces of different diameters. The back ends of the fixed clamp jaw 51 are provided with elastic pressing members 7, the elastic pressing members 7 are mounted on the fixed clamp jaw mounting arm 52 and press the back of the fixed clamp jaw 51, and by arranging the elastic pressing members 7, the fixed clamp jaw 51 can be prevented from swinging excessively to a certain extent, and the elastic pressing members 7 can also play a buffering role to avoid hard contact between the fixed clamp jaw 51 and the workpiece and damage to the workpiece.

[0030] Further, the clamping mechanism further comprises two sets of supporting assemblies 8, each set of supporting assembly 8 comprises a supporting plate, a supporting plate rotating shaft and a supporting plate operating member, the supporting plate is fixed at the bottom end of the supporting plate rotating shaft, and the supporting plate operating member is fixed at the top end of the supporting plate rotating shaft. One set of supporting assembly 8 is arranged on the fixed clamp jaw mounting arm 42 and the movable clamp jaw mounting arm 52; by operating the supporting plate operating member, the supporting plate can be swung and enter the bottom of the clamping space to play a role of supporting the workpiece.

[0031] In this embodiment, please refer to Figure 4 and Figure 5The clamping type clamp further comprises a rotating gear a, a driven gear b, a turnover shaft c, a connecting flange d, an L-shaped connecting arm e, a horizontal connecting arm f, a vertical connecting arm g, a floating air cylinder h, a limiting baffle i, a movable stop component j, a connecting sleeve k and a control handle m.

[0032] The piston rod of the turnover air cylinder 1 is hinged to the rotating gear a, the rotating gear a is engaged with the driven gear b, the driven gear b is coaxially connected to the turnover shaft c, and the turnover shaft c is fixedly connected to the clamping jaw mounting frame 2.

[0033] The connecting flange d is used for connecting with external equipment, the L-shaped connecting arm e is fixed at the bottom of the connecting flange d and has a horizontal end and a vertical end, the top end of the floating air cylinder h is hinged to the horizontal end of the L-shaped connecting arm e, the piston rod of the floating air cylinder h is hinged to one end of the horizontal connecting arm f, and the other end of the horizontal connecting arm f is hinged to the vertical end of the L-shaped connecting arm e; the top end of the vertical connecting arm g is fixedly connected to the horizontal connecting arm f, and the bottom end is fixedly connected to the clamping mechanism, and when the floating air cylinder h works, the vertical connecting arm g can swing up and down to adjust the horizontal inclination angle of the clamping mechanism and the workpiece.

[0034] The connecting sleeve k is fixed at the bottom end of the vertical connecting arm g, the turnover shaft c and the driven gear b are rotatably installed in the connecting sleeve k, the connecting sleeve k is provided with a gap at the position corresponding to the driven gear b, the limiting baffle i is fixed on the outer periphery of the connecting sleeve k, and the movable stop component j is fixed on the clamping jaw mounting frame 2; when the clamping mechanism is turned over by 90 degrees, the movable stop component j abuts against the limiting baffle i to stop the turnover of the clamping mechanism, so that the workpiece is turned over by 90 degrees.

[0035] The clamp of the embodiment sets the control system on the operation handle, a plurality of function buttons are arranged on the control handle m, the function buttons are electrically connected to the corresponding air cylinders in the clamp, and by manually operating the function buttons, the corresponding air cylinders on the clamp can be controlled to work, such as controlling the clamp to start, stop urgently, turn over the workpiece, adjust the horizontal inclination angle of the workpiece and the like.

[0036] As described above, the clamp of the embodiment can control the clamping air cylinder 3 to extend and retract by different lengths to clamp different diameter circular flange workpieces and realize turnover. When the clamp is applied to hoisting or transferring the circular flange workpiece, the labor intensity of workers can be reduced and the assembly efficiency of the circular flange can be improved. Meanwhile, the clamp can firmly clamp the workpiece to avoid the workpiece from falling and hurting the workers.

[0037] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A clamping fixture for lifting or transferring circular flanges of different diameters, characterized in that, The clamping fixture includes a tilting cylinder and a clamping mechanism. The piston rod of the tilting cylinder is hinged to the clamping mechanism, and the tilting cylinder can drive the clamping mechanism to tilt 90 degrees. The clamping mechanism includes a clamping cylinder, a fixed jaw assembly, and a movable jaw assembly. The piston rod of the clamping cylinder is fixedly connected to the movable jaw assembly, and the clamping cylinder can drive the movable jaw assembly to move in a direction toward or away from the fixed jaw assembly to clamp or release the circular flange.

2. The clamping fixture according to claim 1, characterized in that, The clamping mechanism further includes a gripper mounting frame, and the fixed gripper assembly and the movable gripper assembly are respectively mounted on both sides of the gripper mounting frame; wherein, the movable gripper assembly includes a movable gripper, a movable gripper mounting arm and a sliding plate, a slide rail is fixed on the gripper mounting frame, the sliding plate is slidably embedded in the slide rail, the sliding plate is fixedly connected to the movable gripper mounting arm, and the movable gripper is mounted on the movable gripper mounting arm.

3. The clamping fixture according to claim 2, characterized in that, The movable gripper is hinged to the movable gripper mounting arm. Elastic pressing members are arranged at both ends of the back side of the movable gripper. The elastic pressing members are installed on the movable gripper mounting arm and press against the back side of the movable gripper.

4. The clamping fixture according to claim 3, characterized in that, The fixed gripper assembly includes a fixed gripper and a fixed gripper mounting arm. The fixed gripper is hinged to the fixed gripper mounting arm. Elastic pressing members are arranged at both ends of the back side of the fixed gripper. The elastic pressing members are mounted on the fixed gripper mounting arm and press against the back side of the fixed gripper.

5. The clamping fixture according to claim 4, characterized in that, The clamping mechanism also includes two sets of support components. Each set of support components includes a support plate, a support plate pivot, and a support plate operating component. The support plate is fixed to the bottom end of the support plate pivot, and the support plate operating component is fixed to the top end of the support plate pivot. Each set of the support components is provided on the fixed gripper mounting arm and the movable gripper mounting arm.

6. The clamping fixture according to claim 2, characterized in that, It also includes a rotating gear, a driven gear, and a tilting shaft. The piston rod of the tilting cylinder is hinged to the rotating gear, the rotating gear meshes with the driven gear, the driven gear is coaxially connected to the tilting shaft, and the tilting shaft is fixedly connected to the gripper mounting bracket.

7. The clamping fixture according to claim 6, characterized in that, It also includes a connecting flange, an L-shaped connecting arm, a horizontal connecting arm, a vertical connecting arm, and a floating cylinder; the connecting flange is used to connect with external equipment, the L-shaped connecting arm is fixed to the bottom of the connecting flange and has a horizontal end and a vertical end, the top end of the floating cylinder is hinged to the horizontal end of the L-shaped connecting arm, the piston rod of the floating cylinder is hinged to one end of the horizontal connecting arm, and the other end of the horizontal connecting arm is hinged to the vertical end of the L-shaped connecting arm; the top end of the vertical connecting arm is fixedly connected to the horizontal connecting arm, and its bottom end is fixedly connected to the clamping mechanism; when the floating cylinder is working, it can drive the vertical connecting arm to swing up and down to adjust the horizontal tilt angle of the clamping mechanism.

8. The clamping fixture according to claim 7, characterized in that, It also includes a limiting baffle, a movable stop assembly, and a connecting sleeve. The connecting sleeve is fixed to the bottom end of the vertical connecting arm. The flip shaft and the driven gear are rotatably installed inside the connecting sleeve. The connecting sleeve has a clearance notch corresponding to the position of the driven gear. The limiting baffle is fixed on the outer periphery of the connecting sleeve. The movable stop assembly is fixed on the gripper mounting bracket. When the clamping mechanism is flipped 90 degrees, the movable stop assembly abuts against the limiting baffle.

9. The clamping fixture according to claim 1, characterized in that, It also includes a control handle, which is equipped with a variety of function buttons. The function buttons are electrically connected to the corresponding cylinders in the fixture. By manually operating the function buttons, the corresponding cylinders on the fixture can be controlled to work.

10. The clamping fixture according to claim 2, characterized in that, The movable gripper assembly also includes an L-shaped gripper connecting plate. One side of the L-shaped end of the L-shaped gripper connecting plate is fixedly connected to the movable gripper mounting arm, and the other side of the L-shaped end is fixedly connected to the piston rod of the clamping cylinder. A flexible protective layer is provided on the side of the L-shaped gripper connecting plate facing the clamping space.

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