Multi-station clamp for frame welding

Abstract

The utility model discloses a multi-station clamp for frame welding. The multi-station clamp comprises an adjusting mechanism and a driving motor installed in the adjusting mechanism. A clamping mechanism and a hydraulic cylinder mounted at the bottom end of the clamping mechanism are arranged at the top of the adjusting mechanism; the adjusting mechanism comprises a base, a plurality of fixing frames are fixedly connected to the front side and the rear side of the interior of the base, the number of the fixing frames is three, and the fixing frames are evenly distributed on the two sides of the base; a threaded rod is rotationally connected to the interior of the fixed frame, a worm gear is fixedly connected to one end of the threaded rod, a worm is connected to one side of the worm gear in a meshed mode, and one end of the worm penetrates through the base and is fixedly connected with a handle; the outer side of the threaded rod is in threaded connection with a threaded sleeve, one end of the threaded sleeve penetrates through the base and is fixedly connected with a support, the left-right movement of the clamping mechanism can be adjusted through the adjusting mechanism, meanwhile, the angle of the clamping mechanism can be changed, and the practicability of the device can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding equipment, in particular to a multi-station frame welding fixture. Background Art

[0002] At present, multi-station welding equipment will install different fixtures to fix the welding objects according to different welding objects, which can ensure that the fixtures will not shake during welding, thereby ensuring the quality of welding.

[0003] Publication No. CN214602814U discloses a fixture for multi-station welding equipment. By adding an annular pressing block, a fixing block, a No. 1 fixing spring, a No. 2 fixing spring and a pressing spring, no other tools are required when disassembling and assembling the fixture. The fixture can be disassembled and installed by pressing the pressing block, and the fixture after installation can be guaranteed not to shake. This not only ensures the use effect of the fixture, but also increases the disassembly and assembly speed and reduces the workload of disassembling and assembling the fixture. However, the patent still has the following problems in actual use:

[0004] Although the fixture of the multi-station welding equipment can be disassembled and installed by pressing a pressing block, and the fixture after installation can be guaranteed not to shake, the angle of the fixture cannot be adjusted and internal clamping cannot be performed, thereby reducing the practicality of the device.

[0005] A multi-station frame welding fixture is proposed to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a multi-station frame welding clamp to solve the problem proposed in the above-mentioned background technology that the clamp can be disassembled and installed by only pressing a pressing block, and the installed clamp can be guaranteed not to shake, but the angle of the clamp cannot be adjusted and internal clamping cannot be performed, thereby reducing the practicality of the device.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-station frame welding fixture, comprising an adjustment mechanism, and a driving motor installed inside the adjustment mechanism;

[0008] The top of the adjusting mechanism is provided with a clamping mechanism, and a hydraulic cylinder installed at the bottom end of the clamping mechanism;

[0009] Also includes:

[0010] The adjustment mechanism includes a base, and a plurality of fixed frames are fixedly connected to the front and rear sides of the base. The number of the fixed frames is three, and the fixed frames are evenly distributed on both sides of the base.

[0011] Wherein, a threaded rod is rotatably connected inside the fixed frame, one end of the threaded rod is fixedly connected to a worm wheel, one side of the worm wheel is meshingly connected to a worm, and one end of the worm wheel passes through the base and is fixedly connected to a handle;

[0012] The outer side of the threaded rod is threadedly connected with a threaded sleeve, and one end of the threaded sleeve passes through the base and is fixedly connected with a bracket.

[0013] Preferably, the top of the bracket is fixedly connected to a support plate, the center position of the bottom side of the support plate is fixedly connected to the drive motor, the output end of the drive motor passes through the support plate and is fixedly connected to a driving wheel, one side of the driving wheel is meshingly connected to a driven wheel, and the center position inside the driven wheel is fixedly connected to a roller shaft.

[0014] Preferably, the bottom end of the roller is rotatably connected to the support plate, the top end of the roller is fixedly connected to a fixed block, the interior of the fixed block is rotatably connected to a first connecting rod, and the left and right ends of the first connecting rod are fixedly connected to a second connecting rod.

[0015] Preferably, the end of the second connecting rod away from the first connecting rod is fixedly connected to a steel ball, the outer side of the steel ball is slidably connected to a ring, the left and right ends of the bottom side of the ring are fixedly connected to telescopic rods, and the bottoms of the two telescopic rods are fixedly connected to the support plate.

[0016] Preferably, the clamping mechanism comprises a connecting block, the interior of the connecting block is fixedly connected to the first connecting rod, and one end of the connecting block is fixedly connected to the hydraulic cylinder.

[0017] Preferably, both left and right sides of the hydraulic cylinder output end are rotatably connected with clamping blocks, the inner sides of the two clamping blocks are fixedly connected with rubber blocks, and one end of the clamping block away from the hydraulic cylinder is threadedly connected with a rubber rod.

[0018] Preferably, a first limit block is fixedly connected to the outer side of the two clamping blocks, one end of the first limit block is rotatably connected to a connecting rod, one end of the connecting rod away from the first limit block is rotatably connected to a second limit block, and one end of the second limit block is fixedly connected to the hydraulic cylinder.

[0019] Compared with the prior art, the utility model has the following beneficial effects: the multi-station frame welding fixture can not only adjust the left and right movement of the clamping mechanism through the adjustment mechanism, but also change the angle of the clamping mechanism, thereby improving the practicality of the device. The clamping mechanism can not only perform external clamping on frame tubes of different thicknesses, but also perform internal clamping. The specific contents are as follows:

[0020] 1. By setting the adjustment mechanism, not only can the clamping mechanism be adjusted to move left and right, but also the angle of the clamping mechanism can be changed, which can improve the practicality of the device. The worm is driven to rotate by the handle, and the meshing action between the worm and the worm wheel is utilized to drive the threaded rod to rotate. The thread action between the threaded rod and the threaded sleeve is utilized to drive the clamping mechanism to move left and right in the fixed frame. The driving motor drives the driving wheel to rotate, and the meshing action between the driving wheel and the driven wheel is utilized to drive the roller shaft to rotate, which can change the angle of the clamping mechanism in the horizontal direction. The telescopic rod drives the ring to move up and down, thereby driving the first connecting rod to rotate, which can change the angle of the clamping mechanism in the vertical direction. It can be adjusted according to actual conditions.

[0021] 2. By setting up the clamping mechanism, not only can frame tubes of different thicknesses be clamped externally, but also internally, thereby improving the practicability of the device. The two clamping blocks are driven to move by the hydraulic cylinder, and the connecting rod is used to limit the clamping blocks, so that the two clamping blocks can rotate around the output end of the hydraulic cylinder at the same time, thereby clamping the frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the top view structure of the utility model;

[0024] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0025] Figure 4 For this utility model Figure 1 The enlarged structural diagram at B in the middle;

[0026] Figure 5 This is a schematic diagram of the side view structure of the driving wheel of the utility model;

[0027] Figure 6 This is a schematic diagram of the structure of the telescopic rod of the utility model in the extended state;

[0028] Figure 7 For this utility model Figure 4 The enlarged structural diagram of the two locations is shown in the figure.

[0029] In the figure: 1. adjusting mechanism; 101. base; 102. fixed frame; 103. threaded rod; 104. worm gear; 105. worm; 106. handle; 107. threaded sleeve; 108. bracket; 109. support plate; 110. driving motor; 111. driving wheel; 112. driven wheel; 113. roller; 114. fixing block; 115. first connecting rod; 116. second connecting rod; 117. steel ball; 118. ring; 119. telescopic rod; 2. clamping mechanism; 201. connecting block; 202. hydraulic cylinder; 203. clamping block; 204. rubber block; 205. rubber rod; 206. first limit block; 207. connecting rod; 208. second limit block. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-7 The utility model provides a technical solution: a multi-station frame welding fixture, comprising an adjustment mechanism 1, and a driving motor 110 installed inside the adjustment mechanism 1; a clamping mechanism 2 and a hydraulic cylinder 202 installed at the bottom of the clamping mechanism 2 are arranged on the top of the adjustment mechanism 1; the adjustment mechanism 1 comprises a base 101, and a plurality of fixed frames 102 are fixedly connected to the front and rear sides of the base 101, and the number of the fixed frames 102 is three, and the fixed frames 102 are evenly distributed on both sides of the base 101. By arranging a plurality of fixed frames 102, different positions of the frame can be clamped, thereby improving the stability of the clamping;

[0032] A threaded rod 103 is rotatably connected inside the fixed frame 102, one end of the threaded rod 103 is fixedly connected to a worm wheel 104, one side of the worm wheel 104 is meshedly connected to a worm 105, one end of the worm 105 passes through the base 101 and is fixedly connected to a handle 106, the handle 106 drives the worm 105 to rotate, and the meshing action between the worm 105 and the worm wheel 104 drives the threaded rod 103 to rotate;

[0033] The outer side of the threaded rod 103 is threadedly connected with a threaded sleeve 107, one end of the threaded sleeve 107 passes through the base 101 and is fixedly connected with a bracket 108, and the position of the clamping mechanism 2 is changed by the threaded action between the threaded rod 103 and the threaded sleeve 107;

[0034] The top of the bracket 108 is fixedly connected with a support plate 109, the center position of the bottom side of the support plate 109 is fixedly connected with a driving motor 110, the output end of the driving motor 110 passes through the support plate 109 and is fixedly connected with a driving wheel 111, one side of the driving wheel 111 is meshedly connected with a driven wheel 112, and the center position inside the driven wheel 112 is fixedly connected with a roller shaft 113, the driving motor 110 drives the driving wheel 111 to rotate, and the meshing action between the driving wheel 111 and the driven wheel 112 is utilized to drive the roller shaft 113 to rotate;

[0035] The bottom end of the roller shaft 113 is rotatably connected to the support plate 109, the top end of the roller shaft 113 is fixedly connected to a fixing block 114, the interior of the fixing block 114 is rotatably connected to a first connecting rod 115, and the left and right ends of the first connecting rod 115 are fixedly connected to a second connecting rod 116. The fixing block 114 can limit the rotation range of the first connecting rod 115.

[0036] The end of the second connecting rod 116 away from the first connecting rod 115 is fixedly connected with a steel ball 117, and the outer side of the steel ball 117 is slidably connected with a ring 118, and the left and right ends of the bottom side of the ring 118 are fixedly connected with telescopic rods 119, and the bottoms of the two telescopic rods 119 are fixedly connected to the support plate 109. The telescopic rods 119 are provided to drive the ring 118 to move, and the limiting effect of the fixed block 114 is utilized to drive the first connecting rod 115 to rotate, thereby changing the angle of the clamping mechanism 2 in the vertical direction;

[0037] The clamping mechanism 2 includes a connecting block 201, the interior of the connecting block 201 is fixedly connected to the first connecting rod 115, one end of the connecting block 201 is fixedly connected to the hydraulic cylinder 202, the left and right sides of the output end of the hydraulic cylinder 202 are rotatably connected with clamping blocks 203, the inner sides of the two clamping blocks 203 are fixedly connected with rubber blocks 204, and one end of the clamping block 203 away from the hydraulic cylinder 202 is threadedly connected with a rubber rod 205. By setting the rubber block 204, not only the friction force can be increased, but also a small frame can be clamped;

[0038] A first limit block 206 is fixedly connected to the outer side of the two clamping blocks 203, one end of the first limit block 206 is rotatably connected to a connecting rod 207, one end of the connecting rod 207 away from the first limit block 206 is rotatably connected to a second limit block 208, one end of the second limit block 208 is fixedly connected to the hydraulic cylinder 202, and the connecting rod 207 is used to limit the clamping blocks 203, so that the two clamping blocks 203 can rotate around the output end of the hydraulic cylinder 202 at the same time, so as to clamp the frame.

[0039] Working principle: Before using this multi-station frame welding fixture, you need to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 7As shown, firstly, the vehicle frame is placed on the surface of the base 101, and then the position of the clamping mechanism 2 is adjusted according to the actual situation. Firstly, the worm 105 is driven to rotate by the handle 106, and the meshing action between the worm 105 and the worm wheel 104 is utilized to drive the threaded rod 103 to rotate, and the thread action between the threaded rod 103 and the threaded sleeve 107 is utilized to drive the clamping mechanism 2 to move left and right in the fixed frame 102 to move it to a suitable position;

[0040] Secondly, the driving motor 110 drives the driving wheel 111 to rotate, and the meshing action between the driving wheel 111 and the driven wheel 112 drives the roller shaft 113 to rotate, so as to change the angle of the clamping mechanism 2 in the horizontal direction. Then, the telescopic rod 119 drives the ring 118 to move up and down, thereby driving the first connecting rod 115 to rotate, so as to change the angle of the clamping mechanism 2 in the vertical direction.

[0041] Finally, the hydraulic cylinder 202 is started to drive the two clamping blocks 203 to move, and the connecting rod 207 is used to limit the clamping blocks 203, so that the two clamping blocks 203 rotate around the output end of the hydraulic cylinder 202 at the same time, so as to clamp the frame.

[0042] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A multi-station frame welding fixture, comprising an adjustment mechanism (1), and a drive motor (110) installed inside the adjustment mechanism (1); The top of the adjusting mechanism (1) is provided with a clamping mechanism (2), and a hydraulic cylinder (202) installed at the bottom end of the clamping mechanism (2); It is characterized in that Also includes: The adjustment mechanism (1) comprises a base (101), and a plurality of fixed frames (102) are fixedly connected to the front and rear sides of the base (101), the number of the fixed frames (102) is three, and the fixed frames (102) are evenly distributed on both sides of the base (101); The fixed frame (102) is internally rotatably connected to a threaded rod (103), one end of the threaded rod (103) is fixedly connected to a worm wheel (104), one side of the worm wheel (104) is meshingly connected to a worm (105), and one end of the worm (105) passes through the base (101) and is fixedly connected to a handle (106); The outer side of the threaded rod (103) is threadedly connected to a threaded sleeve (107), and one end of the threaded sleeve (107) passes through the base (101) and is fixedly connected to a bracket (108).

2. A multi-station frame welding fixture according to claim 1, characterized in that: The top end of the bracket (108) is fixedly connected to a support plate (109), the center position of the bottom side of the support plate (109) is fixedly connected to a driving motor (110), the output end of the driving motor (110) passes through the support plate (109) and is fixedly connected to a driving wheel (111), one side of the driving wheel (111) is meshedly connected to a driven wheel (112), and the center position inside the driven wheel (112) is fixedly connected to a roller shaft (113).

3. A multi-station frame welding fixture according to claim 2, characterized in that: The bottom end of the roller shaft (113) is rotatably connected to the support plate (109), the top end of the roller shaft (113) is fixedly connected to a fixing block (114), the interior of the fixing block (114) is rotatably connected to a first connecting rod (115), and the left and right ends of the first connecting rod (115) are fixedly connected to a second connecting rod (116).

4. A multi-station frame welding fixture according to claim 3, characterized in that: One end of the second connecting rod (116) away from the first connecting rod (115) is fixedly connected to a steel ball (117), and a circular ring (118) is slidably connected to the outer side of the steel ball (117). The left and right ends of the bottom side of the circular ring (118) are fixedly connected to telescopic rods (119), and the bottoms of the two telescopic rods (119) are fixedly connected to the support plate (109).

5. The multi-station frame welding fixture according to claim 1, characterized in that: The clamping mechanism (2) comprises a connecting block (201), the interior of the connecting block (201) is fixedly connected to the first connecting rod (115), and one end of the connecting block (201) is fixedly connected to the hydraulic cylinder (202).

6. A multi-station frame welding fixture according to claim 5, characterized in that: The left and right sides of the output end of the hydraulic cylinder (202) are both rotatably connected with clamping blocks (203), the inner sides of the two clamping blocks (203) are fixedly connected with rubber blocks (204), and one end of the clamping block (203) away from the hydraulic cylinder (202) is threadedly connected with a rubber rod (205).

7. The multi-station frame welding fixture according to claim 6, characterized in that: A first limit block (206) is fixedly connected to the outer sides of the two clamping blocks (203); one end of the first limit block (206) is rotatably connected to a connecting rod (207); one end of the connecting rod (207) away from the first limit block (206) is rotatably connected to a second limit block (208); one end of the second limit block (208) is fixedly connected to the hydraulic cylinder (202).

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