Clamping mechanism of movable positioner

Abstract

The utility model discloses a clamping mechanism of a movable positioner, which comprises an equipment frame, an overturning frame rotatably arranged on the equipment frame, a sliding connection frame slidably arranged on the overturning frame and a distance adjusting mechanism arranged on the overturning frame, a clamp is assembled on the outer side of the sliding connection frame, a telescopic rod is arranged on the sliding connection frame, and the distance adjusting mechanism is arranged on the telescopic rod. A fixing seat is fixedly arranged at the free end of the telescopic rod, a shell frame is fixedly arranged on the outer side of the fixing seat, an inserting rod matched with the clamp in transmission butt joint is arranged in the shell frame in a penetrating and sliding mode, an inserting groove matched with the clamp in inserting connection is formed in the clamp, and a control piece for controlling the inserting rod to stretch out and draw back relative to the inserting rod is arranged on the shell frame. According to the clamp assembling device, a replaced clamp is embedded into the supporting and placing structure on the outer side of the sliding connection frame in a sliding mode, then a worker rotates the sliding arm to drive the inserting rod to be inserted into the inserting groove in a sliding mode, assembling and fixing of the clamp are completed, and the whole assembling process is simple and efficient; and a worker can conveniently and correspondingly replace the positioner clamp according to the end face characteristics of different profiles.

Description

TECHNICAL FIELD

[0001] The utility model relates to a positioner technical field especially relates to a clamping mechanism of mobile positioner. BACKGROUND

[0002] The mobile positioner is a kind of welding auxiliary equipment, it has rotary and overturning function, can change the position of welding piece, welding machine or welder, to complete automatic welding.This equipment has wide application in engineering machinery, automobile manufacturing, container production, steel pipe flange processing and other fields.

[0003] In prior art, the mobile positioner realizes the fixation of workpiece in welding process through the opposite clamping force of clamp, when facing the clamping of workpiece with different surface characteristics, the staff needs to replace the clamp on the positioner correspondingly.The prior art usually adopts the fixed mode of bolt tightening to satisfy the assembly and fixation of clamp and electric drive mechanism output end, and this fixed mode has the problems of complicated operation and low clamp replacement efficiency.

[0004] Based on the above-mentioned defects, a positioner for workpiece welding is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at: in order to solve above-mentioned problem, and propose a kind of clamping mechanism of mobile positioner.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme: a kind of clamping mechanism of mobile positioner, including equipment frame, overturning frame rotatably installed on equipment frame, slidingly installed on overturning frame sliding connection frame, and installation is adjusted on the distance mechanism of overturning frame, the outer side of sliding connection frame is assembled with clamp, the outer side of sliding connection frame is slidably connected with the supporting structure of cooperation clamp, telescopic rod is installed on sliding connection frame, the free end of telescopic rod is fixed with fixed seat, the outer side of fixed seat is fixed with shell frame, the shell frame is slidably penetrated with the plug rod of cooperation clamp transmission docking, the plug groove of cooperation clamp plug-in is formed in clamp, control piece is arranged on the shell frame, and the telescopic control of plug rod relative to it is realized.

[0007] Preferably, the supporting structure includes sliding block slidably connected to the outer side of sliding connection frame, and the bracket slidably embedded on the sliding block is fixed with the cooperation clamp.

[0008] Preferably, the bracket is a ninety-degree bending structure, used to limit the side of clamp away from sliding connection frame.

[0009] Preferably, the plug rod is fixed with a square block, and the sliding groove is formed in the fixed seat, which is matched with the sliding of square block.

[0010] Preferably, the control member comprises a screw sleeve rotationally connected in the shell frame, and a component for driving the screw sleeve to rotate, the screw sleeve being screw-coupled with the insertion rod.

[0011] Preferably, the component for driving the screw sleeve to rotate comprises a first bevel gear rotationally connected inside the shell frame and fixed coaxially with the screw sleeve, and a second bevel gear vertically meshed with the first bevel gear, the shell frame being provided with a combination member for controlling rotation of the second bevel gear.

[0012] Preferably, the combination member for controlling rotation of the second bevel gear comprises a rotating shaft rotationally connected on the shell frame and fixed coaxially with the second bevel gear, a sliding arm being slidingly connected in the rotating shaft, an inner end of the sliding arm being fixedly provided with a blocking rod, a groove adapted to the blocking rod being formed in the shell frame, a compression spring being abutted between the rotating shaft and the sliding arm, the sliding arm being capable of driving the blocking rod to be embedded in the groove under abutment of the compression spring, so as to limit rotation of the rotating shaft relative to the shell frame.

[0013] In summary, due to adoption of the technical scheme, the present application has the following beneficial effects:

[0014] 1. In the present application, the replaced clamp is slidingly embedded in the supporting structure outside the sliding connection frame, then the staff member can drive the insertion rod to be slidingly inserted into the insertion slot by rotating the sliding arm, so as to complete assembly and fixation of the clamp, the whole assembly process is simple and efficient, and is beneficial to replacement of the positioner clamp according to the end face features of different profiles.

[0015] 2. In the present application, when the insertion rod is completely inserted into the insertion slot, the staff member releases the sliding arm, so that the sliding arm drives the blocking rod to be slidingly embedded in the groove under action of the compression spring, thereby limiting rotation of the rotating shaft relative to the shell frame, which is beneficial to maintaining stable insertion of the insertion rod to the clamp, so as to guarantee assembly stability of the clamp. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A perspective view of a turnover machine is shown according to an embodiment of the present application;

[0017] Figure 2 A perspective view of a clamping mechanism is shown according to an embodiment of the present application;

[0018] Figure 3 A bottom view of a shell frame is shown according to an embodiment of the present application;

[0019] Figure 4 An exploded view of an outer side structure of a shell frame is shown according to an embodiment of the present application.

[0020] LEGEND:

[0021] 1, equipment frame; 2, turnover frame; 3, sliding connection frame; 4, distance adjusting mechanism; 5, sliding block; 6, bracket; 7, clamp; 701, slot; 8, telescopic rod; 9, fixed seat; 901, sliding groove; 10, shell frame; 11, plug rod; 1001, groove; 12, screw sleeve; 13, first bevel gear; 14, square block; 15, rotating shaft; 16, sliding arm; 17, stop rod; 18, second bevel gear; 19, compression spring. DETAILED DESCRIPTION

[0022] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a clamping mechanism of mobile positioner, including equipment frame 1, turnover frame 2 being rotatably installed on equipment frame 1, sliding installation is carried out on the sliding connection frame 3 of turnover frame 2, and distance adjusting mechanism 4 is installed on turnover frame 2, the outer side of sliding connection frame 3 is equipped with clamp 7, the outer side of sliding connection frame 3 is slidably connected with the supporting structure matched with clamp 7, telescopic rod 8 is installed on sliding connection frame 3, the free end of telescopic rod 8 is fixed with fixed seat 9, the outer side of fixed seat 9 is fixed with shell frame 10, plug rod 11 is slidably penetrated in shell frame 10, and the drive butt joint of the transmission of clamp 7 is formed in clamp 7 The slot 701 matched with the plug-in of clamp 7 is formed, and control member is arranged on shell frame 10 to control the telescopic rod 11 relative to it.

[0024] Distance adjusting mechanism 4 is the electric drive mobile mechanism of prior art, for controlling the relative position of sliding connection frame 3 relative to turnover frame 2, so as to meet the clamping of clamp 7 to different size workpieces.Telescopic rod 8 is the existing hydraulic or pneumatic telescopic mode.

[0025] The replaced clamp 7 is slidably embedded in the supporting structure of the outer side of sliding connection frame 3, then the staff drives plug rod 11 to be slidably inserted into slot 701 by control member, so that the assembly and fixation of clamp 7 can be completed, the whole assembly process is simple and efficient, and it is beneficial for staff to replace positioner clamp 7 according to the end face characteristics of different profiles.

[0026] Specifically, as shown in Figure 2 The supporting structure includes sliding block 5 slidably connected to the outer side of sliding connection frame 3, and bracket 6 matched with clamp 7 is fixedly arranged on sliding block 5 for embedding and placing.

[0027] The clamp 7 is slidably inserted into the two brackets 6 in side, when the clamp 7 moves along the vertical direction, the slider 5 fixed with the bracket 6 will slide along the slide rail on the slide bracket 3, so as to guarantee the smooth sliding of the clamp 7 along the predetermined track relative to the slide bracket 3, thereby facilitating the clamping and positioning of the workpiece.

[0028] Specifically, as shown in Figures 2-4 The control member includes a screw sleeve 12 rotatably connected in the shell bracket 10, and an assembly for driving the screw sleeve 12 to rotate, and the screw sleeve 12 is screw-coupled with the inserting rod 11.

[0029] Through the sliding fit of the square block 14 and the sliding groove 901, the rotation of the inserting rod 11 relative to the shell bracket 10 is limited, so as to facilitate the screwing of the screw sleeve 12 to drive the inserting rod 11 to extend into or out of the shell bracket 10.

[0030] The assembly for driving the screw sleeve 12 to rotate includes a first bevel gear 13 rotatably connected inside the shell bracket 10 and coaxially fixed with the screw sleeve 12, and a second bevel gear 18 vertically meshed with the first bevel gear 13, and the shell bracket 10 is provided with a joint for controlling the rotation of the second bevel gear 18.

[0031] The joint for controlling the rotation of the second bevel gear 18 includes a rotating shaft 15 rotatably connected on the shell bracket 10 and coaxially fixed with the second bevel gear 18, a sliding arm 16 slidably connected in the rotating shaft 15, a stop rod 17 fixed on the inner end of the sliding arm 16, a recess 1001 formed in the shell bracket 10 and adapted to the stop rod 17, and a compression spring 19 abutting between the rotating shaft 15 and the sliding arm 16, the sliding arm 16 can drive the stop rod 17 to be embedded in the recess 1001 under the abutment of the compression spring 19, thereby limiting the rotation of the rotating shaft 15 relative to the shell bracket 10.

[0032] By pulling the sliding arm 16, the rotating shaft 15 slidably connected with the sliding arm 16 drives the second bevel gear 18 to rotate, and then the first bevel gear 13 meshed with the second bevel gear 18 drives the screw sleeve 12 to rotate, at this time the inserting rod 11 will slide along the shell bracket 10 under the screwing action of the screw sleeve 12, when the inserting rod 11 is completely inserted into the inserting groove 701, the worker releases the sliding arm 16, so that the sliding arm 16 drives the stop rod 17 to slide and embed in the recess 1001 under the action of the compression spring 19, thereby completing the assembly and fixation of the clamp 7.

[0033] The foregoing description of the embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A clamping mechanism of a mobile positioner, comprising a device frame (1), a turnover frame (2) rotatably mounted on the device frame (1), a sliding frame (3) slidably mounted on the turnover frame (2), and a pitch adjusting mechanism (4) mounted on the turnover frame (2), characterized in that, The outer side of the sliding connection frame (3) is assembled with a clamp (7), the outer side of the sliding connection frame (3) is slidingly connected with a supporting structure matched with the clamp (7), a telescopic rod (8) is installed on the sliding connection frame (3), a fixed seat (9) is fixedly arranged at the free end of the telescopic rod (8), a shell frame (10) is fixedly arranged at the outer side of the fixed seat (9), a plug rod (11) is slidingly arranged in the shell frame (10) and is in transmission butt joint with the clamp (7), a slot (701) is formed in the clamp (7) and is in plug joint with the clamp (7), and a control member is arranged on the shell frame (10) and is used for controlling the telescopic movement of the plug rod (11) relative to the shell frame (10).

2. A clamping mechanism for a mobile positioner according to claim 1, characterized in that The supporting structure comprises a sliding block (5) slidingly connected to the outer side of the sliding connection frame (3), and a bracket (6) fixedly arranged on the sliding block (5) and slidingly embedded with the clamp (7).

3. A clamping mechanism for a mobile positioner according to claim 2, characterized in that The bracket (6) is a bending structure with an angle of 90 degrees, and is used for abutting and limiting the side of the clamp (7) away from the sliding connection frame (3).

4. A clamping mechanism for a mobile positioner according to claim 1, characterized in that A square block (14) is fixedly arranged on the plug rod (11), and a sliding groove (901) is formed in the fixed seat (9) and is used for abutting and sliding with the square block (14).

5. A clamping mechanism for a mobile positioner according to claim 1, characterized in that, The control member comprises a screw sleeve (12) rotatingly connected in the shell frame (10) and in screw joint with the plug rod (11), and an assembly for driving the screw sleeve (12) to rotate.

6. A clamping mechanism for a mobile positioner according to claim 5, characterized in that The assembly for driving the screw sleeve (12) to rotate comprises a first bevel gear (13) rotatingly connected to the inner side of the shell frame (10) and fixedly arranged on the same axis with the screw sleeve (12), and a second bevel gear (18) vertically meshing with the first bevel gear (13), and the shell frame (10) is provided with a combination member for controlling the rotation of the second bevel gear (18).

7. A clamping mechanism for a mobile positioner according to claim 6, characterized in that The combination member for controlling the rotation of the second bevel gear (18) comprises a rotating shaft (15) rotatingly connected to the shell frame (10) and fixedly arranged on the same axis with the second bevel gear (18), a sliding arm (16) slidingly connected in the rotating shaft (15), a stop rod (17) fixedly arranged at the inner end of the sliding arm (16), a groove (1001) formed in the shell frame (10) and matched with the stop rod (17), a compression spring (19) abutting between the rotating shaft (15) and the sliding arm (16), and the sliding arm (16) can drive the stop rod (17) to be embedded in the groove (1001) under the abutment of the compression spring (19), so as to limit the rotation of the rotating shaft (15) relative to the shell frame (10).

Images