Welding tool clamp

Abstract

The utility model relates to a welding tool clamp, which belongs to the technical field of welding and comprises a workpiece, a tool plate, a left large tooth piece positioning component, a right large tooth piece positioning component, a left small tooth piece pressing cylinder component, a right small tooth piece pressing cylinder component, a small tooth piece positioning component, a left pressing rod cylinder component and a right pressing rod cylinder component. According to the welding tool clamp, a left large tooth piece positioning assembly is moved leftwards by operating a first hand rotating valve, a workpiece is placed in, the angle of a large tooth piece is positioned by adjusting a conical spring pin, a small tooth piece is directly placed on a small iron block meshed with the small tooth piece, then the first hand rotating valve is operated to abut against a long rod of the workpiece, and a second hand rotating valve is operated to press the long rod; and after welding is completed, the first hand rotating valve is operated to move the large tooth piece positioning assembly on the left side leftwards, a workpiece is taken out, the whole process is convenient to operate, the working efficiency is greatly improved, meanwhile, the positioning part can be adjusted at any time in the using process, and the percent of pass of the workpiece and the durability of the tool are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to a welding tooling fixture. Background Art

[0002] Welding is a processing technology and connection method that makes two same or different workpieces generate atomic bonding through heating, pressurization or both. A tooling fixture is a process device used to fix a workpiece during processing to keep the machine tool, tool and workpiece in the correct relative positions. There are many types, such as welding fixtures, inspection fixtures, assembly fixtures, machine tool fixtures, etc. During the welding process, each component needs to be fixed. Therefore, a welding tooling fixture for this workpiece is required to facilitate clamping and forming of each part and improve the welding efficiency.

[0003] During the welding process, a tooling fixture is needed to clamp and fix the workpiece. The Chinese utility model patent with the publication number CN218745878U discloses a welding tooling fixture, which includes a tooling fixture body. The tooling fixture body includes a base, a fixed seat is fixed on the base, a support seat and a movable seat are respectively movably installed on the top of the fixed seat, a power mechanism is fixedly installed on the movable seat, a rotating plate is installed on the power mechanism, a support plate is movably installed at the inner wall of the support seat, the support plate is installed on the support seat through a fixed shaft, a cavity is formed in the support plate, a limiting component is rotatably installed inside the cavity, and the limiting component is installed on the support plate through a rotating rod. When this utility model is used, the workpiece is placed between the support plate and the movable plate, and the workpiece is pushed by the support plate to be clamped and limited between the support plate and the rotating plate. Later, the support plate and the movable plate are moved upward. After moving, the power mechanism rotates the workpiece through the rotating plate to change the welding position for use.

[0004] However, during the use of this utility model, it can only clamp and fix the components on a single workpiece. When there are multiple components on the workpiece to be welded, these multiple components cannot be positioned and fixed, which may lead to poor welding effect and cannot meet the production requirements. Therefore, a welding tooling fixture is proposed to solve the problems raised above. Summary of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a welding tooling fixture, which has the advantage of being convenient for fixing multiple components, and solves the problem that it can only clamp and fix the components on a single workpiece. When there are multiple components on the workpiece to be welded, these multiple components cannot be positioned and fixed, which may lead to poor welding effect and cannot meet the production requirements.

[0006] To achieve the above object, the utility model provides the following technical solutions: A welding tooling fixture, including a workpiece, a tooling plate, a left large tooth piece positioning component, a right large tooth piece positioning component, a left small tooth piece pressing cylinder component, a right small tooth piece pressing cylinder component, a small tooth piece positioning component, a left pressing rod cylinder component, a right pressing rod cylinder component, a hand-operated valve 1, a hand-operated valve 2, a hand-operated valve 3, and a pressure regulating valve. The tooling plate is integrally fixed on the welding robot positioner by screws. The workpiece is composed of a workpiece long rod, a workpiece left large tooth piece, a workpiece left small tooth piece, a workpiece right small tooth piece, and a workpiece right large tooth piece;

[0007] The left large tooth piece positioning component includes a linear slide cylinder, a rotary clamping cylinder, and a large tooth piece positioning block. The linear slide cylinder presses against the long rod of the part during welding and retracts to the left before and after welding to facilitate the picking and placing of the part. The rotary clamping cylinder is used to fix the workpiece left large tooth piece, and the workpiece left large tooth piece is positioned by a conical spring pin against the through hole on the workpiece left large tooth piece;

[0008] The small tooth piece positioning component includes a small tooth piece positioning seat, a left small tooth piece positioning block A, a left small tooth piece positioning block B, a right small tooth piece positioning block A, and a right small tooth piece positioning block B. The hand-operated valve 1, the hand-operated valve 2, the hand-operated valve 3, and the pressure regulating valve are connected to the cylinders in each component through PU hoses. The hand-operated valve 1 controls the linear slide cylinder on the left large tooth piece positioning component, the hand-operated valve 2 controls the two pressing cylinders on the left and right sides, and the hand-operated valve 3 controls the rotary clamping cylinders for pressing the four tooth pieces.

[0009] Further, the workpiece left large tooth piece and the workpiece right large tooth piece are respectively located at the left and right ends of the workpiece long rod, and the workpiece left small tooth piece and the workpiece right small tooth piece are both located in the middle position of the workpiece long rod.

[0010] Further, the small tooth piece positioning component is positioned by a small iron block that can engage with the small tooth piece, and the angular distances of the small iron block in the up, down, left, right, front, and back directions can be finely adjusted through the setscrew structure on the component.

[0011] Further, the right large tooth piece positioning component mainly includes a large tooth piece positioning block and a rotary clamping cylinder. The rotary clamping cylinder is used to fix the workpiece right large tooth piece, and the workpiece right large tooth piece is positioned by a conical spring pin against the through hole on the workpiece right large tooth piece.

[0012] Further, the left small tooth piece pressing cylinder component mainly includes a rotary clamping cylinder, which presses the workpiece left small tooth piece during welding, and the setscrew structure on it can finely adjust the position of the pressing piece.

[0013] Furthermore, the right small tooth piece pressing cylinder assembly and the left small tooth piece pressing cylinder assembly have the same structure. When welding, the workpiece's right small tooth piece is pressed, and the set screw structure on it can finely adjust the position of the pressing piece.

[0014] Furthermore, the left pressing rod cylinder assembly and the right pressing rod cylinder assembly have similar structures. When welding, the long rod is pressed.

[0015] Furthermore, the first hand-operated valve, the second hand-operated valve, and the third hand-operated valve are all four-port three-position valves. The first hand-operated valve, the second hand-operated valve, and the third hand-operated valve respectively control the linear slide cylinder on the left large tooth piece positioning assembly, the pressing cylinders on the left and right sides, and the rotary clamping cylinders of the four pressing tooth pieces. The valve and the cylinder are connected by a PU hose.

[0016] Compared with the prior art, the present utility model provides a welding tooling fixture, which has the following beneficial effects:

[0017] For this welding tooling fixture, by operating the first hand-operated valve, the left large tooth piece positioning assembly is moved to the left to open, the workpiece is placed in, the conical spring pin is adjusted to position the angle of the large tooth piece, and the small tooth piece is directly placed on the small iron block that meshes with it. Then, operate the first hand-operated valve to press the long rod of the workpiece, operate the second hand-operated valve to press the long rod, operate the third hand-operated valve to press the four tooth pieces. After welding, operate the first hand-operated valve to move the left large tooth piece positioning assembly to the left to open, and take out the workpiece. The whole process is convenient to operate, greatly improving the work efficiency. At the same time, the positioning part can be adjusted at any time during use, ensuring the qualification rate of the workpiece and the durability of the tooling, and solving the problem that only the components on a single workpiece can be clamped and fixed. When there are multiple components on the workpiece to be welded, these multiple components cannot be positioned and fixed, which may lead to poor welding effects and inability to meet production requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural diagram of the present utility model;

[0019] Figure 2 is a schematic structural diagram of the lower right perspective of the present utility model;

[0020] Figure 3 is a schematic structural diagram of the upper right perspective of the present utility model;

[0021] Figure 4 is a schematic structural diagram of the lower left perspective of the present utility model;

[0022] Figure 5 is a schematic structural diagram of the small tooth piece positioning assembly of the present utility model;

[0023] Figure 6 is a schematic structural diagram of the workpiece of the present utility model.

[0024] In the figure: 1, workpiece; 2, tooling plate; 3, left large tooth piece positioning assembly; 4, left pressure rod cylinder assembly; 5, right small tooth piece clamping cylinder assembly; 6, small tooth piece positioning assembly; 7, left small tooth piece clamping cylinder assembly; 8, right pressure rod cylinder assembly; 9, right large tooth piece positioning assembly; 10, hand valve one; 11, hand valve two; 12, hand valve three; 13, pressure regulating valve; 101, workpiece long rod; 102, left large tooth piece of workpiece; 103, left small tooth piece of workpiece; 104, right small tooth piece of workpiece; 105, right large tooth piece of workpiece; 601, small tooth piece positioning seat; 602, left small tooth piece positioning block A; 603, left small tooth piece positioning block B; 604, right small tooth piece positioning block A; 605, right small tooth piece positioning block B. DETAILED DESCRIPTION

[0025] 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 described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0026] See also Figures 1 to 6 A welding fixture in this embodiment includes a workpiece 1, a fixture plate 2, a left large tooth plate positioning assembly 3, a right large tooth plate positioning assembly 9, a left small tooth plate pressing cylinder assembly 7, a right small tooth plate pressing cylinder assembly 5, a small tooth plate positioning assembly 6, a left pressure rod cylinder assembly 4, a right pressure rod cylinder assembly 8, a hand-turned valve 10, a hand-turned valve 2 11, a hand-turned valve 3 12, and a pressure regulating valve 13. The feature is that the fixture plate 2 is used to fix the fixture as a whole on the welding robot positioner by screws, and the workpiece 1 is composed of a workpiece long rod 101, a left workpiece The left side large tooth piece 102, the small tooth piece 103 on the left side of the workpiece, the small tooth piece 104 on the right side of the workpiece and the large tooth piece 105 on the right side of the workpiece. The left large tooth piece positioning assembly 3 includes a linear slide cylinder, a rotary clamping cylinder and a large tooth piece positioning block. The linear slide cylinder presses the long rod of the part during welding and moves to the left before and after welding to facilitate the placement of parts. The rotary clamping cylinder is used to fix the large tooth piece 102 on the left side of the workpiece. The large tooth piece 102 on the left side of the workpiece uses a conical spring pin to hold the through hole on the large tooth piece 102 on the left side of the workpiece to position it.

[0027] The large tooth piece 102 on the left side of the workpiece and the large tooth piece 105 on the right side of the workpiece are respectively located at the left and right ends of the workpiece long rod 101 , and the small tooth piece 103 on the left side of the workpiece and the small tooth piece 104 on the right side of the workpiece are both located in the middle of the workpiece long rod 101 .

[0028] It should be noted that before welding, according to the qualified samples, adjust the top screw structure on the left large tooth plate positioning assembly 3, the right large tooth plate positioning assembly 9, the left small tooth plate clamping cylinder assembly 4, the right small tooth plate clamping cylinder assembly 8, the small tooth plate positioning assembly 6, the left pressure rod cylinder assembly 7, and the right pressure rod cylinder assembly 5, adjust each module into place, and adjust the pressure regulating valve 13 to make the cylinder pressure appropriate.

[0029] In this embodiment, the small tooth piece positioning assembly 6 includes a small tooth piece positioning seat 601, a left small tooth piece positioning block A602, a left small tooth piece positioning block B603, a right small tooth piece positioning block A604 and a right small tooth piece positioning block B605. The hand-turned valve 10, the hand-turned valve 2 11, the hand-turned valve 3 12 and the pressure regulating valve 13 are connected to the cylinders in each assembly through a PU hose. The hand-turned valve 10 controls the linear slide cylinder on the left large tooth piece positioning assembly 3, the hand-turned valve 2 11 controls the two clamping cylinders on the left and right sides, and the hand-turned valve 3 12 controls the rotary clamping cylinders of the four clamping teeth.

[0030] Among them, the small tooth piece positioning component 6 is positioned by a small iron block that can bite each other with the small tooth piece, and the angle distance of the small iron block up, down, left, right, front and back can be fine-tuned by the top screw structure on the component.

[0031] In this embodiment, the right side large tooth plate positioning assembly 9 mainly includes a large tooth plate positioning block and a rotary clamping cylinder. The rotary clamping cylinder is used to fix the large tooth plate 105 on the right side of the workpiece. The large tooth plate 105 on the right side of the workpiece uses a conical spring pin to support the through hole on the large tooth plate 105 on the right side of the workpiece to position it.

[0032] In this embodiment, the left small tooth plate clamping cylinder assembly 7 mainly includes a rotary clamping cylinder, which presses the small tooth plate 103 on the left side of the workpiece during welding, and the top screw structure thereon can fine-tune the position of the pressing plate. The right small tooth plate clamping cylinder assembly 5 and the left small tooth plate clamping cylinder assembly 7 have the same structure. When welding, the right small tooth plate 104 on the workpiece is pressed, and the top screw structure thereon can fine-tune the position of the pressing plate.

[0033] In this embodiment, the left pressure rod cylinder assembly 4 and the right pressure rod cylinder assembly 8 are similar in structure, and the long rod is compressed during welding.

[0034] In this embodiment, the hand-turned valve 10, the hand-turned valve 2 11 and the hand-turned valve 3 12 are all four-port three-position valves. The hand-turned valve 10, the hand-turned valve 2 11 and the hand-turned valve 3 12 respectively control the linear slide cylinder on the left large gear positioning assembly 3, the clamping cylinders on the left and right sides and the rotary clamping cylinders of the four clamping gears. The valves and cylinders are connected by PU hoses.

[0035] Among them, the air inlet of the pressure regulating valve 13 is connected to the external air source, and the air outlet is respectively connected to the manual valve 10, the manual valve 2 11 and the manual valve 3 12, and the function is to adjust the pressure of the pneumatic device.

[0036] The working principle of the above embodiments is as follows:

[0037] First, the operator operates the first hand-operated valve 10 to move the linear slide cylinder on the left large tooth piece positioning assembly 3 away, places the left large tooth piece 102, the left small tooth piece 103, the right small tooth piece 104, and the right large tooth piece 105 of the workpiece at the approximate position of the tooling, passes the workpiece long rod 101 through each tooth piece, adjusts the relative positions of the small tooth piece positioning assembly 6, the left small tooth piece 103, and the right small tooth piece 104 of the workpiece so that the teeth on them engage with each other to ensure accurate positioning, operates the first hand-operated valve 10 and the second hand-operated valve 11 respectively to tighten and press the workpiece long rod 101, operates the third hand-operated valve 12 to press the four tooth pieces on the workpiece 1, then starts welding. After welding is completed, operates the first hand-operated valve 10 to move the left large tooth piece positioning assembly to the left and take out the workpiece.

[0038] All the electrical components mentioned in the text are electrically connected to the main controller and the power supply. The main controller can be a conventional known device such as a computer for control, and the existing publicly disclosed electrical connection technology also belongs to the common knowledge in this field and will not be elaborated in the text.

[0039] It should be noted that in this text, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0040] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A welding fixture, comprising a workpiece (1), a fixture plate (2), a left large tooth plate positioning assembly (3), a right large tooth plate positioning assembly (9), a left small tooth plate pressing cylinder assembly (7), a right small tooth plate pressing cylinder assembly (5), a small tooth plate positioning assembly (6), a left pressure rod cylinder assembly (4), a right pressure rod cylinder assembly (8), a hand valve 1 (10), a hand valve 2 (11), a hand valve 3 (12), and a pressure regulating valve (13), characterized in that: The tooling plate (2) is used to fix the tooling as a whole on the welding robot positioner by screws, and the workpiece (1) is composed of a workpiece long rod (101), a large tooth piece (102) on the left side of the workpiece, a small tooth piece (103) on the left side of the workpiece, a small tooth piece (104) on the right side of the workpiece, and a large tooth piece (105) on the right side of the workpiece; The left side large tooth piece positioning assembly (3) comprises a linear slide cylinder, a rotary clamping cylinder and a large tooth piece positioning block. The linear slide cylinder presses against the long rod of the part during welding and moves away to the left before and after welding to facilitate the placement of the part. The rotary clamping cylinder is used to fix the left side large tooth piece (102) of the workpiece. The left side large tooth piece (102) of the workpiece uses a conical spring pin to press against the through hole on the left side large tooth piece (102) of the workpiece to position it. The small tooth piece positioning assembly (6) comprises a small tooth piece positioning seat (601), a left small tooth piece positioning block A (602), a left small tooth piece positioning block B (603), a right small tooth piece positioning block A (604) and a right small tooth piece positioning block B (605). The hand-operated valve 1 (10), the hand-operated valve 2 (11), the hand-operated valve 3 (12) and the pressure regulating valve (13) are connected to the cylinders in each assembly through a PU hose. The hand-operated valve 1 (10) controls the linear slide cylinder on the left large tooth piece positioning assembly (3), the hand-operated valve 2 (11) controls the two clamping cylinders on the left and right sides, and the hand-operated valve 3 (12) controls the rotary clamping cylinders of the four clamping tooth pieces.

2. A welding fixture according to claim 1, characterized in that: The large tooth piece (102) on the left side of the workpiece and the large tooth piece (105) on the right side of the workpiece are respectively located at the left and right ends of the workpiece long rod (101), and the small tooth piece (103) on the left side of the workpiece and the small tooth piece (104) on the right side of the workpiece are both located in the middle of the workpiece long rod (101).

3. A welding fixture according to claim 1, characterized in that: The small tooth piece positioning assembly (6) is positioned by a small iron block that can interlock with the small tooth piece, and the up-down, left-right, front-back angle distance of the small iron block can be fine-tuned by a top screw structure on the assembly.

4. A welding fixture according to claim 1, characterized in that: The right side large tooth plate positioning assembly (9) mainly comprises a large tooth plate positioning block and a rotary clamping cylinder. The rotary clamping cylinder is used to fix the right side large tooth plate (105) of the workpiece. The right side large tooth plate (105) of the workpiece is positioned by using a conical spring pin to support the through hole on the right side large tooth plate (105) of the workpiece.

5. A welding fixture according to claim 1, characterized in that: The left side small tooth plate pressing cylinder assembly (7) mainly comprises a rotary clamping cylinder, which presses the left side small tooth plate (103) of the workpiece during welding, and the top screw structure on the cylinder can finely adjust the position of the pressing plate.

6. A welding fixture according to claim 4, characterized in that: The right side small tooth plate pressing cylinder assembly (5) and the left side small tooth plate pressing cylinder assembly (7) have the same structure. During welding, the right side small tooth plate (104) of the workpiece is pressed, and the top screw structure thereon can fine-tune the position of the pressing plate.

7. A welding fixture according to claim 1, characterized in that: The left-side pressure rod cylinder assembly (4) is similar in structure to the right-side pressure rod cylinder assembly (8), and the long rod is pressed tightly during welding.

8. The welding fixture according to claim 1, characterized in that: The hand-turned valve 1 (10), the hand-turned valve 2 (11) and the hand-turned valve 3 (12) are all four-port three-position valves. The hand-turned valve 1 (10), the hand-turned valve 2 (11) and the hand-turned valve 3 (12) respectively control the linear slide cylinder on the left large tooth plate positioning assembly (3), the clamping cylinders on the left and right sides and the rotary clamping cylinders of the four clamping tooth plates. The valves and the cylinders are connected by PU hoses.

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