Clamping device convenient to assemble

Abstract

The utility model relates to the technical field of welding tools, in particular to a clamping device convenient to assemble, which comprises a base, a fixed plate and a movable plate opposite to the fixed plate are vertically arranged on the base, and a central tube fixing block is arranged on one side of the fixed plate facing the movable plate. And a first lifting lug seat fixing plate and a second lifting lug seat fixing plate are respectively arranged at the upper ends of the fixed plate and the movable plate. During assembly, the fixed plate and the movable plate are matched to vertically clamp the central pipe, then the lifting lug seat is assembled on the upper side of the central pipe, and the lifting lug seat and the central pipe are clamped through the first lifting lug seat fixing plate and the second lifting lug seat fixing plate, so that the lifting lug seat and the central pipe can be well fixed before being welded; and subsequent welding operation is facilitated, and the problem that in the prior art, no proper clamping device is used for rapidly assembling the lifting lug base and the multiple center pipes is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding tools, in particular to a clamping device which is convenient for assembly. Background Art

[0002] During welding, the workpiece and the solder melt to form a molten area, and the molten pool cools and solidifies to form a connection between the materials. During this process, pressure is usually required. There are many sources of energy for welding, including gas flame, arc, laser, electron beam, friction and ultrasonic.

[0003] At present, welding technology is widely used in all walks of life. In the welding process, two or more parts need to be assembled together and then welded by welding equipment. If pure manual assembly is used, the assembly is troublesome and the weld is easily offset during welding, resulting in reduced product quality. Therefore, in the prior art, most welding processes require the assistance of tools, so that the product is assembled before welding, and then welded by operators or robotic arms.

[0004] Currently in Figure 1 When welding the lug seat and the center tube shown, the center tube needs to be inserted into the jack of the lug seat, and then the joint is welded in the groove of the lug seat by welding equipment. The difficulties are: 1. The welding position is difficult to operate, and 2. At least two center tubes need to be welded on one lug seat at the same time. Based on the above reasons, there is no clamping device in the prior art that can assemble and fix the product well for subsequent welding. Therefore, the utility model proposes a clamping device for this type of product, which can fix the lug seat and multiple center tubes at the same time, so as to facilitate rapid welding. Utility Model Content

[0005] The utility model aims to provide a clamping device which is easy to assemble, so as to solve the problem in the prior art that when a central tube is welded to a lifting lug seat, there is no suitable clamping device to quickly assemble the lifting lug seat and a plurality of central tubes.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A clamping device that is easy to assemble includes a base, a fixed plate is vertically arranged on the base, and a movable plate is arranged opposite to the fixed plate. A central tube fixing block is arranged on the side of the fixed plate facing the movable plate, and a first lifting ear seat fixing plate and a second lifting ear seat fixing plate are respectively arranged at the upper ends of the fixed plate and the movable plate.

[0008] A further technical solution is that a mounting plate is vertically arranged on the upper side of the base on the side of the movable plate away from the fixed plate, and a sliding hole is arranged on the mounting plate facing the movable plate and passing through both sides, and a first driving rod is slidably arranged in the sliding hole, one end of the first driving rod is connected to the side of the movable plate, and the other end is connected to a driving mechanism above the base for driving the first driving rod to move in the sliding hole.

[0009] A further technical solution is that the driving mechanism includes a driving seat, a driving hole is provided on the driving seat toward the first driving rod, a second driving rod is slidably provided in the driving hole, one end of the second driving rod is connected to an end of the first driving rod away from the movable plate; a driving groove is provided on the upper side of the driving seat with an opening facing upward, the driving hole is communicated with the groove wall of the driving groove, a driving handle is installed in the driving groove, and an end of the second driving rod away from the first driving rod is inserted into the driving groove and connected to the driving handle.

[0010] A further technical solution is that a first drive bar and a second drive bar are provided in the drive groove, the side surface of one end of the first drive bar is rotationally connected to the side surface of one end of the second drive rod placed in the drive groove, the side surface of the other end of the first drive bar is rotationally connected to the side surface of one end of the second drive bar, the side surface of the other end of the second drive bar is rotationally connected to the groove wall of the drive groove, and the drive handle is connected to the upper side of the second drive bar.

[0011] A further technical solution is that a pressure hole is provided at one end of the second driving rod connected to the first driving rod, and one end of the first driving rod connected to the second driving rod is slidably set in the pressure hole and connected to the bottom of the pressure hole through a spring in the pressure hole.

[0012] A further technical solution is that a guide hole parallel to the sliding hole is arranged on the mounting plate, a guide rod is slidably arranged in the guide hole, and one end of the guide rod is connected to the movable plate.

[0013] A further technical solution is that a matching block aligned with the central tube fixing block is provided on one side of the movable plate facing the fixed plate, and a clamping notch is provided on the opposite side of the matching block and the central tube fixing block.

[0014] A further technical solution is that side fixing plates are arranged on opposite sides of the first lifting ear seat fixing plate facing the second lifting ear seat fixing plate.

[0015] A further technical solution is that a reinforcing rib is provided on a side of the fixed plate away from the movable plate.

[0016] Compared with the prior art, the utility model has at least one of the following beneficial effects: 1. During assembly, the center tube is vertically clamped by the cooperation of the fixed plate and the movable plate, and then the ear seat is assembled on the upper side of the center tube, and is clamped by the first ear seat fixing plate and the second ear seat fixing plate, so that the ear seat and the center tube can be well fixed before welding, which is convenient for subsequent welding operations and solves the problem in the prior art that there is no suitable clamping device to quickly assemble the ear seat and multiple center tubes; 2. By setting a center tube fixing block, the center tube can be better clamped and fixed in cooperation with the movable plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a finished product picture after the lifting lug seat and the center tube of the utility model are welded.

[0018] Figure 2 The utility model is an overall schematic diagram of a clamping device which is easy to assemble.

[0019] Figure 3 The utility model is a top view of a clamping device that is easy to assemble.

[0020] Figure 4 The utility model is a side sectional view of a clamping device which is easy to assemble.

[0021] Figure 5 The utility model is a partial schematic diagram of a fixed plate and a movable plate of a clamping device which is easy to assemble.

[0022] Icon: 1-base, 2-fixed plate, 3-movable plate, 4-center tube fixing block, 5-first ear seat fixing plate, 6-second ear seat fixing plate, 7-mounting plate, 8-sliding hole, 9-first driving rod, 10-driving seat, 11-driving hole, 12-second driving rod, 13-driving groove, 14-driving handle, 15-first driving bar, 16-second driving bar, 17-pressure hole, 18-spring, 19-guide hole, 20-guide rod, 21-matching block, 22-clamping notch, 23-side fixing plate, 24-reinforcement rib, 25-center tube, 26-ear seat, 27-first rotating axis, 28-second rotating axis, 29-third rotating axis. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] Figures 2 to 5 Shown is an embodiment of the utility model.

[0025] Embodiment 1:

[0026] like Figure 2 , 3 As shown, a clamping device that is easy to assemble includes a base 1, a fixed plate 2 is vertically arranged on the base 1, and a movable plate 3 is arranged opposite to the fixed plate 2, a central tube fixing block 4 is arranged on the side of the fixed plate 2 facing the movable plate 3, and a first hanging ear seat fixing plate 5 and a second hanging ear seat fixing plate 6 are respectively arranged at the upper ends of the fixed plate 2 and the movable plate 3. When assembling, the central tube 25 is vertically clamped by the cooperation of the fixed plate 2 and the movable plate 3, and then the hanging ear seat 26 is assembled on the upper side of the central tube 25, and is clamped by the first hanging ear seat fixing plate 5 and the second hanging ear seat fixing plate 6, so that the hanging ear seat 26 and the central tube 25 can be well fixed before welding, which is convenient for subsequent welding operations, and solves the problem in the prior art that there is no suitable clamping device to quickly assemble the hanging ear seat 26 and multiple central tubes 25. By setting the central tube fixing block 4, the central tube 25 can be better clamped and fixed in cooperation with the movable plate 3.

[0027] A mounting plate 7 is vertically arranged on the upper side of the base 1 at the side of the movable plate 3 away from the fixed plate 2, and a sliding hole 8 is arranged on the mounting plate 7, which is facing the movable plate 3 and passing through both sides, and a first driving rod 9 is slidingly arranged in the sliding hole 8, one end of the first driving rod 9 is connected to the side of the movable plate 3, and the other end is connected to a driving mechanism for driving the first driving rod 9 to move in the sliding hole 8 above the base 1. With such a setting, when the clamping device is used for assembly, the first driving rod 9 is driven by the driving mechanism to separate the movable plate 3 from the fixed plate 2 by a certain distance, and then the central tube 25 is placed between the central tube fixing block 4 and the movable plate 3, and then the central tube 25 can be quickly fixed between the fixed plate 2 and the movable plate 3 by driving the movable plate 3 toward the fixed plate 2 through the driving mechanism.

[0028] Embodiment 2:

[0029] Based on the above embodiments, Figure 4As shown, the driving mechanism includes a driving seat 10, the driving seat 10 is provided with a driving hole 11 facing the first driving rod 9, a second driving rod 12 is slidably provided in the driving hole 11, one end of the second driving rod 12 is connected to the end of the first driving rod 9 away from the movable plate 3; the upper side of the driving seat 10 is provided with a driving groove 13 with an opening facing upward, the driving hole 11 is connected to the groove wall of the driving groove 13, a driving handle 14 is installed in the driving groove 13, and the end of the second driving rod 12 away from the first driving rod 9 penetrates into the driving groove 13 and is connected to the driving handle 14. By providing the driving hole 11, the second driving rod 12 can be linearly moved along the driving hole 11, so that the first driving rod 9 can be pushed to drive the movable plate 3 to move linearly, so that when clamping the central tube 25 and the ear seat 26, pressure can be uniformly generated on the central tube 25 and the ear seat 26 to fix the central tube 25 and the ear seat 26. By providing the driving handle 14, the second driving rod 12 can be driven to move in the driving hole 11.

[0030] The driving groove 13 is provided with a first driving bar 15 and a second driving bar 16. The side surface of one end of the first driving bar 15 is rotatably connected to the side surface of one end of the second driving rod 12 placed in the driving groove 13. The side surface of the other end of the first driving bar 15 is rotatably connected to the side surface of one end of the second driving bar 16. The side surface of the other end of the second driving bar 16 is rotatably connected to the groove wall of the driving groove 13. The driving handle 14 is connected to the upper side of the second driving bar 16. The first driving bar 15 is rotatably connected to the second driving rod 12 via the first rotating shaft 27, the first driving bar 15 is rotatably connected to the second driving bar 16 via the second rotating shaft 28, and the second driving bar 16 is rotatably connected to the groove wall of the driving groove 13 via the third rotating shaft 29. When it is necessary to drive the second driving rod 12 to move toward the driving groove 13, the driving handle 14 is pulled in a direction away from the movable plate 3, and the second driving bar 16 is driven to rotate around the third rotation axis 29 through the driving handle 14, so that the end of the second driving bar 16 connected to the first driving bar 15 can be tilted, so that the second driving rod 12 is driven to move toward the driving groove 13 through the first driving bar 15, so that the movable plate 3 can be driven away from the fixed plate 2. Conversely, when the driving handle 14 is pulled toward the direction of the first driving bar 15 again, the first driving bar 15 can drive the second driving rod 12 to move toward the driving hole 11, so that the movable plate 3 can be driven to move toward the fixed plate 2.

[0031] A pressure hole 17 is provided at one end of the second driving rod 12 connected to the first driving rod 9, and one end of the first driving rod 9 connected to the second driving rod 12 is slidably provided in the pressure hole 17, and is connected to the bottom of the pressure hole 17 through a spring 18 in the pressure hole 17. By providing the spring 18, when the spring 18 is compressed, the elastic force of the spring 18 can be used to push the first driving rod 9 to drive the movable plate 3 to press the central tube 25 and the lug seat 26. After the second driving rod 12 is moved into place, the spring 18 can be compressed by the first driving rod 9 to different lengths to adjust the distance between the movable plate 3 and the fixed plate 2, thereby adapting to the diameter of the central tube 25 of different sizes.

[0032] The mounting plate 7 is provided with a guide hole 19 parallel to the sliding hole 8, a guide rod 20 is slidably provided in the guide hole 19, and one end of the guide rod 20 is connected to the movable plate 3. By providing the guide hole 19 and the guide rod 20, the first driving rod 9 can be guided to push the movable plate 3 to move, so that the movable plate 3 will not deviate during the movement and clamping process.

[0033] Embodiment 3:

[0034] Based on the above embodiments, Figure 5 As shown, a matching block 21 aligned with the central tube fixing block 4 is provided on one side of the movable plate 3 facing the fixed plate 2, and a clamping notch 22 is provided on the opposite side of the matching block 21 and the central tube fixing block 4. By providing the matching block 21, the central tube 25 can be fixed together with the central tube fixing block 4, and by providing the clamping notch, the central tube 25 can be better fixed. The matching block 22 on the central tube fixing block 4 and the matching block 21 can prevent the central tube 25 from being offset when the central tube 25 is clamped.

[0035] Side fixing plates 23 are provided on opposite sides of the first ear seat fixing plate 5 facing the second ear seat fixing plate 6. By providing the side fixing plates 23, the first ear seat fixing plate 5 and the second ear seat fixing plate 6 can be used to simultaneously fix and clamp the four sides of the ear seat 26, so that the ear seat 26 will not easily deviate or rotate during the welding process, thus making the product quality after welding higher and improving the qualified rate of the finished product.

[0036] A reinforcing rib 24 is provided on one side of the fixed plate 2 away from the movable plate 3. By providing the reinforcing rib, the strength of the fixed plate 2 can be improved to prevent the fixed plate 2 from bending during long-term use, thereby preventing the clamping device from malfunctioning.

[0037] Although the utility model is described herein with reference to a plurality of illustrative embodiments of the utility model, it should be understood that those skilled in the art may devise many other modifications and implementations that fall within the scope and spirit of the principles disclosed herein. More specifically, within the scope of the disclosure, drawings, and claims of the present application, various modifications and improvements may be made to the components and / or layout of the subject combination layout. In addition to the modifications and improvements made to the components and / or layout, other uses will also be apparent to those skilled in the art.

Claims

1. A clamping device that is easy to assemble, characterized in that: The invention comprises a base (1), a fixed plate (2) is vertically arranged on the base (1), and a movable plate (3) is arranged opposite to the fixed plate (2), a central tube fixing block (4) is arranged on the side of the fixed plate (2) facing the movable plate (3), and a first lifting ear seat fixing plate (5) and a second lifting ear seat fixing plate (6) are respectively arranged at the upper ends of the fixed plate (2) and the movable plate (3).

2. A clamping device for easy assembly according to claim 1, characterized in that: A mounting plate (7) is vertically arranged on the upper side of the base (1) at a side of the movable plate (3) away from the fixed plate (2); a sliding hole (8) is arranged on the mounting plate (7) facing the movable plate (3) and passing through both sides; a first driving rod (9) is slidably arranged in the sliding hole (8); one end of the first driving rod (9) is connected to the side of the movable plate (3), and the other end is connected to a driving mechanism above the base (1) for driving the first driving rod (9) to move in the sliding hole (8).

3. A clamping device for easy assembly according to claim 2, characterized in that: The driving mechanism comprises a driving seat (10), wherein the driving seat (10) is provided with a driving hole (11) facing the first driving rod (9), a second driving rod (12) is slidably arranged in the driving hole (11), one end of the second driving rod (12) is connected to an end of the first driving rod (9) away from the movable plate (3); a driving groove (13) with an upward opening is provided on the upper side of the driving seat (10), the driving hole (11) is communicated with a groove wall of the driving groove (13), a driving handle (14) is installed in the driving groove (13), and an end of the second driving rod (12) away from the first driving rod (9) penetrates into the driving groove (13) and is connected to the driving handle (14).

4. A clamping device for easy assembly according to claim 3, characterized in that: A first driving bar (15) and a second driving bar (16) are arranged in the driving groove (13); the side surface of one end of the first driving bar (15) is rotationally connected to the side surface of one end of the second driving rod (12) placed in the driving groove (13); the side surface of the other end of the first driving bar (15) is rotationally connected to the side surface of one end of the second driving bar (16); the side surface of the other end of the second driving bar (16) is rotationally connected to the groove wall of the driving groove (13); and the driving handle (14) is connected to the upper side of the second driving bar (16).

5. A clamping device for easy assembly according to claim 4, characterized in that: A pressure hole (17) is provided at one end of the second driving rod (12) connected to the first driving rod (9); one end of the first driving rod (9) connected to the second driving rod (12) is slidably disposed in the pressure hole (17) and is connected to the bottom of the pressure hole (17) via a spring (18) in the pressure hole (17).

6. A clamping device for easy assembly according to claim 2, characterized in that: The mounting plate (7) is provided with a guide hole (19) parallel to the sliding hole (8), a guide rod (20) is slidably arranged in the guide hole (19), and one end of the guide rod (20) is connected to the movable plate (3).

7. A clamping device for easy assembly according to claim 1, characterized in that: A matching block (21) aligned with the central tube fixing block (4) is provided on one side of the movable plate (3) facing the fixed plate (2), and a clamping notch (22) is provided on the opposite side of the matching block (21) and the central tube fixing block (4).

8. The clamping device for easy assembly according to claim 1, characterized in that: Side fixing plates (23) are provided on opposite sides of the first lifting ear seat fixing plate (5) facing the second lifting ear seat fixing plate (6).

9. The clamping device for easy assembly according to claim 1, characterized in that: A reinforcing rib (24) is provided on a side of the fixed plate (2) away from the movable plate (3).

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