Tool clamp for balancing weight welding and balancing weight welding workstation

Abstract

The utility model provides a tool clamp for balancing weight welding and a balancing weight welding workstation. The tool clamp for balancing weight welding comprises a support, a fixing plate and a fixing assembly, the fixing plate is connected to the top end of the support, and the fixing assembly is connected to the fixing plate; a central round hole and an arc-shaped hole are formed in the fixing plate, and the arc-shaped hole and the central round hole share the same circle center and are annularly formed in the peripheral side of the central round hole; the fixing assembly comprises a round rod, a base plate, a limiting sleeve and a nut, a limiting step is arranged in the middle of the round rod, and threads are arranged at the two ends of the round rod. A first through hole and a second through hole are formed in the base plate, and the first through hole is aligned with the central round hole; the second through hole is aligned with the arc-shaped hole, and the lower end of the round rod penetrates through the second through hole and the arc-shaped hole; the limiting sleeve is arranged on the round rod in a sleeving mode and located between the limiting step and a nut connected to the upper end of the round rod. The tool clamp for balancing weight welding can adapt to various balancing weights with different hole positions, is high in compatibility, can avoid frequent replacement of the tool clamp when different balancing weights are welded, and improves the welding efficiency.

Description

Technical Field

[0001] The present application relates to the technical field of welding equipment, and in particular to a fixture for counterweight welding and a counterweight welding workstation. Background Art

[0002] Welding is an important mechanical processing method in modern industrial production, especially when manufacturing large structural parts or complex machine parts, the welding process is even more indispensable. The counterweight welding workstation is an automated welding system that uses robots for welding work. It has the characteristics of fast welding speed, high welding quality, high welding stability and high degree of automation.

[0003] The welding workstation is usually composed of a welding positioner and a welding robot. The welding positioner is used to rotate and flip the workpiece, which can adjust the position of the workpiece during the welding process, achieve the best weld position welding, and reduce the labor intensity of manual workpiece handling. The welding robot can coordinate with the welding positioner to automatically weld at various welding positions of the workpiece.

[0004] For the welding of counterweights for heavy machinery such as excavators and forklifts, specific fixtures are usually used to fix the counterweights on the positioner. Due to the wide variety of heavy machinery models, the sizes of counterweights for various models are inconsistent, and these fixtures are usually used for a specific type of counterweight, with poor compatibility, resulting in the need for more fixtures, and frequent replacement of fixtures is also troublesome, reducing welding efficiency. Summary of the invention

[0005] The embodiment of the present application provides a counterweight welding workstation, comprising a support, a fixing plate and a fixing assembly, wherein the fixing plate is connected to the top of the support, and the fixing assembly is connected to the fixing plate;

[0006] The fixing plate is provided with a central circular hole and an arc-shaped hole, wherein the arc-shaped hole is cocentric with the central circular hole and is arranged around the outer circumference of the central circular hole;

[0007] The fixing assembly comprises a round rod, a backing plate, a limiting sleeve and a nut, a limiting step is provided in the middle of the round rod, and threads are provided at both ends of the round rod;

[0008] The backing plate is provided with a first through hole and a second through hole, the first through hole is aligned with the central circular hole, and the backing plate is connected to the fixing plate by inserting bolts into the first through hole and the central circular hole;

[0009] The second through hole is aligned with the arc-shaped hole, the lower end of the round rod passes through the second through hole and the arc-shaped hole, and the backing plate is clamped between the fixing plate and the limiting step by a nut connected to the lower end of the round rod;

[0010] The limiting sleeve is sleeved on the round rod, and a nut is connected to the upper end of the round rod. The limiting sleeve is located between the limiting step and the nut connected to the upper end of the round rod.

[0011] The fixture for welding counterweight blocks in the embodiment of the present application can be adapted to various counterweight blocks with different hole positions, has strong compatibility, can avoid frequent replacement of the fixture when welding different counterweight blocks, and improves the welding efficiency.

[0012] In one possible implementation manner, for the fixture for welding counterweight blocks provided in the embodiment of the present application, a plurality of central circular holes are provided on the fixing plate, and an arc-shaped hole is correspondingly arranged on the outer peripheral side of each central circular hole.

[0013] In one possible implementation manner, for the fixture for welding counterweight blocks provided in the embodiment of the present application, a plurality of fixing components are provided on the fixing plate.

[0014] In one possible implementation manner, for the fixture for welding counterweight blocks provided in the embodiment of the present application, an annular flange is provided at the bottom end of the sleeve.

[0015] In one possible implementation manner, for the fixture for welding counterweight blocks provided in the embodiment of the present application, the support includes a cross beam and a column. The cross beam and the column are connected at 90° to form the L-shaped support, and the fixing plate is connected to the top end of the column.

[0016] In one possible implementation manner, for the fixture for welding counterweight blocks provided in the embodiment of the present application, a reinforcing plate is connected between the cross beam and the column.

[0017] In one possible implementation manner, for the fixture for welding counterweight blocks provided in the embodiment of the present application, a buffer cushion block is provided at the top end of the fixing plate.

[0018] The embodiment of the present application further provides a counterweight block welding workstation, including the above-mentioned fixture for welding counterweight blocks.

[0019] In one possible implementation manner, for the counterweight block welding workstation provided in the embodiment of the present application, it further includes a welding positioner, a welding robot and a welding machine. The fixture for welding counterweight blocks is installed on the welding positioner.

[0020] In one possible implementation manner, for the counterweight block welding workstation provided in the embodiment of the present application, the welding positioner is an H-shaped positioner.

[0021] Since the counterweight block welding workstation provided in the embodiment of the present application includes the above-mentioned fixture for welding counterweight blocks, it has the beneficial effects and advantages of this working fixture. Brief Description of the Drawings

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0023] Figure 1 It is a schematic structural diagram of a fixture for welding counterweight blocks;

[0024] Figure 2 It is a schematic structural diagram of a support;

[0025] Figure 3 It is a schematic structural diagram of a fixing component;

[0026] Figure 4 It is an exploded view of the fixing component;

[0027] Figure 5 It is an installation schematic diagram of the fixture for welding counterweight blocks and the counterweight block (sectioned);

[0028] Figure 6 It is Figure 5 An enlarged schematic diagram of part A in;

[0029] Figure 7 It is a connection schematic diagram of the fixture for welding counterweight blocks and a welding positioner;

[0030] Figure 8 It is a schematic structural diagram of a counterweight block welding workstation.

[0031] Description of the Reference Numerals:

[0032] 10 - Fixture for welding counterweight blocks;

[0033] 11 - Support;

[0034] 111 - Cross beam;

[0035] 112 - Column;

[0036] 113 - Reinforcing plate;

[0037] 12 - Fixed plate;

[0038] 121 - Central circular hole;

[0039] 122 - Arc-shaped hole;

[0040] 123 - Buffer cushion block;

[0041] 13 - Fixing component;

[0042] 131 - Round rod;

[0043] 1311 - Limiting step;

[0044] 132 - Cushion plate;

[0045] 1321 - First through hole;

[0046] 1322 - Second through hole;

[0047] 133 - Limiting sleeve;

[0048] 1331 - Annular flange;

[0049] 134 - Nut;

[0050] 14 - Buffer cushion block;

[0051] 15 - Bolt;

[0052] 20 - Welding positioner;

[0053] 30 - Welder;

[0054] 40 - Counterweight block;

[0055] 50 - Welding robot. Detailed implementation manners

[0056] To make the objectives, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the preferred embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar components or components with the same or similar functions throughout. The described embodiments are some, but not all, of the embodiments of the present application. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and should not be construed as limiting the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative efforts fall within the scope of protection of the present application.

[0057] Figure 1 It is a structural schematic diagram of a fixture for welding a counterweight block; Figure 2 It is a structural schematic diagram of a support; Figure 3 It is a structural schematic diagram of a fixing component; Figure 4 It is an exploded schematic diagram of a fixing component; Figure 5 It is an installation schematic diagram of a fixture for welding a counterweight block and a counterweight block (sectioned); Figure 6 It is Figure 5 An enlarged schematic diagram at A in Figure 7 It is a connection schematic diagram of a fixture for welding a counterweight block and a welding positioner;Figure 8 It is a structural schematic diagram of a counterweight welding workstation. Embodiment

[0058] See Figures 1 to 7 As shown, a tooling fixture 10 for welding counterweights includes a support 11, a fixing plate 12, and a fixing component 13, where:

[0059] The support 11 is used to connect to a welding positioner 20. The support 11 includes a cross beam 111 and a column 112. The cross beam 111 and the column 112 are connected at a 90° angle to form an L-shaped support 11, and the fixing plate 12 is connected to the top of the column 112.

[0060] The fixing plate 12 is used to hold the counterweight 40. The fixing plate 12 is provided with a central circular hole 121 and an arc-shaped hole 122. The arc-shaped hole 122 and the central circular hole 121 are concentric and are arranged around the outer peripheral side of the central circular hole 121. Generally, a plurality of central circular holes 121 are provided on the fixing plate 12, and an arc-shaped hole 122 is correspondingly arranged on the outer peripheral side of each central circular hole 121.

[0061] The fixing component 13 is used to install the counterweight 40 on the fixing plate 12. Generally, there are at least two groups of fixing components 13. The fixing component 13 includes a round rod 131, a backing plate 132, a limiting sleeve 133, and a nut 134. A limiting step 1311 is provided in the middle of the round rod 131, and threads are provided at both ends of the round rod 131.

[0062] The backing plate 132 is provided with a first through hole 1321 and a second through hole 1322. The first through hole 1321 is aligned with the central circular hole 121, and the backing plate 132 can be connected to the fixing plate 12 by inserting a bolt 15 into the first through hole 1321 and the central circular hole 121.

[0063] The second through hole 1322 is aligned with the arc-shaped hole 122. The lower end of the round rod 131 passes through the second through hole 1322 and the arc-shaped hole 122, and the backing plate 132 can be clamped between the fixing plate 12 and the limiting step 1311 by a nut 134 connected to the lower end of the round rod 131.

[0064] The limiting sleeve 133 is sleeved on the round rod 131, and a nut 134 is connected to the upper end of the round rod 131. The limiting sleeve 133 is located between the limiting step 1311 and the nut 134 connected to the upper end of the round rod 131.

[0065] In use, first fix the support 11 on the welding positioner 20. Then, place the backing plate 132 on the fixing plate 12, align the first through hole 1321 with the central circular hole 121, and align the second through hole 1322 with the arc-shaped hole 122. Insert the bolt 15 into the first through hole 1321 and the central circular hole 121, and pass the lower end of the round rod 131 through the second through hole 1322 and the arc-shaped hole 122. At this time, with the bolt 15 inserted into the central circular hole 121 as the axis, the lower end of the round rod 131 can move along the arc-shaped hole 122, so that its position can be adjusted, and then the distance between the round rods 131 of each fixing component 13 can be changed, so that the round rod 131 can adapt to various counterweight blocks 40 with different hole positions. After adjusting the distance and position between multiple round rods 131 to a state suitable for the installation of the counterweight block 40, the backing plate 132 is clamped between the fixing plate 12 and the limiting step 1311 through the nut 134 connected to the lower end of the round rod 131. Then, the mounting holes on the counterweight block 40 are correspondingly inserted onto the round rods 131, and then the limiting sleeve 133 is sleeved on the round rod 131, and a nut 134 is screwed onto the upper end of the round rod 131 to press down the limiting sleeve 133, so that the counterweight block 40 is clamped between the cushion block and the limiting sleeve 133, completing the fixing of the counterweight block 40.

[0066] The fixture 10 for welding counterweight blocks in the embodiment of the present application can adapt to various counterweight blocks 40 with different hole positions, has strong compatibility, and can avoid frequent replacement of the fixture when welding different counterweight blocks 40, improving the welding efficiency.

[0067] Specifically, an annular flange 1331 is provided at the bottom end of the sleeve, and the annular flange 1331 can increase the stress area.

[0068] Specifically, a reinforcing plate 113 is connected between the cross beam 111 and the column 112, which can improve the strength.

[0069] Specifically, a buffer cushion block 14 is provided at the top end of the fixing plate 12, which can reduce the impact. Embodiment

[0070] See Figure 8 As shown, a counterweight block welding workstation includes the fixture 10 for welding counterweight blocks in Embodiment 1, a welding positioner 20, a welding robot 50, and a welding machine 30. The fixture 10 for welding counterweight blocks is installed on the welding positioner 20. The welding positioner 20 is an H-type positioner.

[0071] In the description of the embodiments of the present application, it should be understood that, unless otherwise clearly specified and limited, the terms "install", "connect", and "couple" should be understood in a broad sense. For example, it may be a fixed connection, or an indirect connection through an intermediate medium, or the internal connection or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances. The orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present application. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically and precisely defined.

[0072] The terms "first", "second", "third", "fourth", etc. in the specification, claims and above-mentioned drawings of the present application are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances, so as to implement the embodiments of the present application described herein. For example, it can be implemented in an order other than those illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0073] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A fixture for welding a counterweight, characterized in that: It includes a support, a fixing plate and a fixing assembly, wherein the fixing plate is connected to the top of the support, and the fixing assembly is connected to the fixing plate; The fixing plate is provided with a central circular hole and an arc-shaped hole, wherein the arc-shaped hole is cocentric with the central circular hole and is arranged around the outer circumference of the central circular hole; The fixing assembly comprises a round rod, a backing plate, a limiting sleeve and a nut, a limiting step is provided in the middle of the round rod, and threads are provided at both ends of the round rod; The backing plate is provided with a first through hole and a second through hole, the first through hole is aligned with the central circular hole, and the backing plate is connected to the fixing plate by inserting bolts into the first through hole and the central circular hole; The second through hole is aligned with the arc-shaped hole, the lower end of the round rod passes through the second through hole and the arc-shaped hole, and the backing plate is clamped between the fixing plate and the limiting step by a nut connected to the lower end of the round rod; The limiting sleeve is sleeved on the round rod, the upper end of the round rod is connected to a nut, and the limiting sleeve is located between the limiting step and the nut connected to the upper end of the round rod.

2. The fixture for welding the counterweight according to claim 1, characterized in that: The fixing plate is provided with a plurality of the central circular holes, and an arc-shaped hole is correspondingly provided on the outer peripheral side of each of the central circular holes.

3. The fixture for welding the counterweight according to claim 2, characterized in that: A plurality of fixing components are arranged on the fixing plate.

4. The fixture for welding the counterweight according to claim 1, characterized in that: The bottom end of the sleeve is provided with an annular flange.

5. The fixture for welding the counterweight according to claim 1, characterized in that: The support comprises a crossbeam and a column, wherein the crossbeam and the column are connected at 90 degrees to form an L-shaped support, and the fixing plate is connected to the top of the column.

6. The fixture for welding the counterweight according to claim 5, characterized in that: A reinforcing plate is connected between the cross beam and the column.

7. The fixture for welding the counterweight according to claim 1, characterized in that: A buffer block is arranged on the top of the fixing plate.

8. A counterweight welding workstation, characterized in that: It comprises the fixture for welding the counterweight block as described in any one of claims 1 to 7.

9. A counterweight welding workstation, characterized in that: It also includes a welding positioner, a welding robot and a welding machine, and the tooling fixture for welding the counterweight block is installed on the welding positioner.

10. The counterweight welding workstation according to claim 9, characterized in that: The welding positioner is an H-type positioner.

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