Positioning device
By designing a positioning device including a first positioning mechanism, a second positioning mechanism and a third positioning mechanism, the problem that the workpiece and accessories are difficult to fix relative positions during welding is solved, and the stable positioning of the workpiece and accessories is achieved, and the welding quality is improved.
Patent Information
- Application Number
- CN202421373857.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-06-17
AI Technical Summary
During the welding process, it is difficult to fix the curved surface shape of the workpiece or accessories relative to each other, resulting in easy sliding during the welding process and dislocation.
A positioning device is designed, including a first positioning mechanism, a second positioning mechanism and a third positioning mechanism. The first positioning mechanism presses the workpiece into the first positioning groove through the first positioning base and the pressing mechanism. The second positioning mechanism is separately inserted through the positioning hole and the top rod to fix the axial position of the workpiece. The third positioning mechanism is used to carry the accessories to ensure that it is in a preset welding position.
Through the use of positioning devices, the relative positions of workpieces and accessories can be effectively fixed, avoid misalignment caused by sliding during welding, and improve positioning accuracy and welding quality.
Smart Images
Figure CN222660599U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of welding, in particular to a positioning device. Background Art
[0002] During the production and processing process, it is often necessary to weld the workpiece and the accessories. Since the surface shape of the workpiece or the accessory may be a curved surface, it is usually difficult to fix the relative position of the workpiece and the accessory. During the welding process, the workpiece and the accessory are prone to relative sliding and cause misalignment.
[0003] Therefore, there is an urgent need to provide a positioning device to solve the above problems. Utility Model Content
[0004] The utility model aims to provide a positioning device, which can fix the relative positions of a workpiece and an accessory, and prevent the workpiece and the accessory from sliding and causing misalignment during welding.
[0005] To achieve this purpose, the utility model adopts the following technical solutions:
[0006] A positioning device for limiting the position of a workpiece and an accessory, wherein the positioning device comprises:
[0007] A first positioning mechanism, the first positioning mechanism comprising a first positioning base and a clamping mechanism, the first positioning base is provided with a first positioning groove, and the clamping mechanism is configured to clamp the workpiece in the first positioning groove;
[0008] A second positioning mechanism, wherein a positioning hole is provided on the circumferential side surface of the workpiece, and the second positioning mechanism can be detachably inserted into the positioning hole;
[0009] A third positioning mechanism, wherein the third positioning mechanism is used to carry the accessory.
[0010] Furthermore, the circumferential side surface of the workpiece is an arc surface, and the width of the first positioning groove gradually decreases from top to bottom.
[0011] Furthermore, the number of the first positioning bases is at least two, at least two of the first positioning bases are arranged at intervals along the X direction, and the distance between two adjacent first positioning bases is adjustable;
[0012] The X direction is parallel to the axial direction of the workpiece carried in the first positioning groove.
[0013] Furthermore, the number of the first positioning bases is two, the clamping mechanism is located between the two first positioning bases, and the clamping mechanism and the two first positioning bases are not on the same straight line.
[0014] Furthermore, the second positioning mechanism includes a fixing portion and a push rod, and the push rod is movably disposed on the fixing portion and detachably inserted into the positioning hole.
[0015] Furthermore, the push rod is threadedly connected to the fixing portion.
[0016] Furthermore, the positioning device also includes a positioning platform, and the first positioning mechanism, the second positioning mechanism and the third positioning mechanism are all arranged on the positioning platform.
[0017] Furthermore, the third positioning mechanism includes at least one second positioning base, and the second positioning base is provided with a second positioning groove for clamping the accessory.
[0018] Furthermore, the second positioning base is mounted on the positioning platform in an adjustable manner.
[0019] Furthermore, the clamping mechanism is a quick clamp.
[0020] Beneficial effects of the utility model:
[0021] The utility model provides a positioning device for limiting the position of a workpiece and an accessory. The positioning device includes a first positioning mechanism, a second positioning mechanism and a third positioning mechanism. The first positioning mechanism includes a first positioning base and a clamping mechanism. The first positioning base is provided with a first positioning groove. The clamping mechanism is configured to clamp the workpiece in the first positioning groove, thereby fixing the position of the workpiece in the circumferential direction; the circumferential side of the workpiece is provided with a positioning hole, and the second positioning mechanism can be detachably inserted into the positioning hole, thereby fixing the position of the workpiece in the axial direction and preventing the workpiece from rotating; the third positioning mechanism is used to carry the accessory, so that the accessory is in a preset welding position, preventing the workpiece and the accessory from sliding relative to each other, and facilitating welding of the workpiece and the accessory. The first positioning mechanism and the second positioning mechanism are used to limit the position of the workpiece in the circumferential and axial directions. The position of the accessory is fixed by the third positioning mechanism, thereby locking the relative position of the workpiece and the accessory, avoiding the sliding of the workpiece and the accessory during the welding process to cause dislocation, improving the positioning accuracy of the workpiece and the accessory, and thus improving the welding quality of the workpiece and the accessory. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a structural schematic diagram of the workpiece and accessories of the utility model;
[0023] Figure 2 It is a structural schematic diagram of the positioning device provided by the utility model;
[0024] Figure 3 It is a structural schematic diagram of the workpiece and accessories of the utility model installed on the positioning device;
[0025] Figure 4 It is a structural schematic diagram of the positioning device provided by the utility model from another viewing angle;
[0026] Figure 5 It is a structural schematic diagram of the clamping mechanism provided by the utility model.
[0027] In the figure:
[0028] 100, workpiece; 101, positioning hole; 200, accessories; 300, positioning platform;
[0029] 1. first positioning mechanism; 11. first positioning base; 111. first positioning groove; 12. pressing mechanism; 121. first support; 1211. limiting protrusion; 122. first abutment member; 123. limiting member
[0030] 2. second positioning mechanism; 21. fixing portion; 22. ejector rod;
[0031] 3. Third positioning mechanism; 31. Second positioning base; 311. Second positioning groove. DETAILED DESCRIPTION
[0032] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.
[0033] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0034] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
[0035] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.
[0036] like Figure 1 As shown, the workpiece 100 of this embodiment is a tubular part, and an arc-shaped groove is formed on the attachment 200, and the arc-shaped groove is adapted to the surface of the workpiece 100. The operator needs to weld the attachment 200 to the surface of the workpiece 100. However, since the outer peripheral surface of the workpiece 100 is an arc surface, it is usually difficult to fix the relative position of the workpiece 100 and the attachment 200. During the welding process, the workpiece 100 and the attachment 200 are prone to relative sliding, thereby causing the attachment 200 to deviate from the preset welding position, affecting the welding effect.
[0037] To solve the above problems, Figure 2 to Figure 4 As shown, this embodiment provides a positioning device for limiting the workpiece 100 and the accessory 200, including a first positioning mechanism 1, a second positioning mechanism 2 and a third positioning mechanism 3. The first positioning mechanism 1 includes a first positioning base 11 and a clamping mechanism 12. The first positioning base 11 is provided with a first positioning groove 111. The clamping mechanism 12 presses the workpiece 100 in the first positioning groove 111, thereby fixing the position of the workpiece 100 in the circumferential direction; a positioning hole 101 is provided on the circumferential side of the workpiece 100, and the second positioning mechanism 2 can be detachably inserted into the positioning hole 101, thereby fixing the position of the workpiece 100 in the axial direction and preventing the workpiece 100 from rotating; the third positioning mechanism 3 is used to carry the accessory 200, so that the accessory 200 is in a preset welding position, preventing the workpiece 100 and the accessory 200 from relative sliding, and facilitating the welding of the workpiece 100 and the accessory 200. The first positioning mechanism 1 and the second positioning mechanism 2 are used to limit the workpiece 100 in both the circumferential and axial directions, and the third positioning mechanism 3 is used to fix the position of the accessory 200, thereby locking the relative position of the workpiece 100 and the accessory 200, preventing the workpiece 100 and the accessory 200 from sliding and causing misalignment during the welding process, thereby improving the positioning accuracy of the workpiece 100 and the accessory 200, and thus improving the welding quality of the workpiece 100 and the accessory 200.
[0038] In this embodiment, the circumferential side surface of the workpiece 100 is an arc surface, so the width of the first positioning groove 111 gradually decreases from top to bottom, which can adapt to workpieces 100 of various different diameters, thereby improving the versatility of the first positioning base 11 .
[0039] In this embodiment, the groove wall of the first positioning groove 111 on the first positioning base 11 is a planar structure, which is convenient for processing. Of course, in other embodiments, the groove wall of the first positioning groove 111 of the first positioning base 11 can also be set to a curved surface structure to increase the contact area between the first positioning groove 111 and the workpiece 100, and further improve the stability of the first positioning base 11 on the workpiece 100.
[0040] It should be noted that the positioning device provided in this embodiment can not only position the tubular workpiece 100, but the shape of the workpiece 100 includes but is not limited to a prism, a pyramid, a cone or a sphere, etc., which is not specifically limited here; the shape of the first positioning groove 111 can be adaptively improved according to the shape of the workpiece 100 to carry workpieces 100 of various shapes, and the cross-sectional shape of the first positioning groove 111 includes but is not limited to a V-shape or an arc shape, etc., which is not specifically limited here.
[0041] Furthermore, the positioning device further comprises a positioning platform 300, and the first positioning mechanism 1, the second positioning mechanism 2 and the third positioning mechanism 3 are all arranged on the positioning platform 300, so that the positioning device has a compact structure and is convenient for overall transportation.
[0042] For ease of description, Figure 3 As shown, the length direction of the positioning platform 300 is taken as the X direction, and the axial direction of the workpiece 100 carried in the first positioning groove 111 is parallel to the X direction.
[0043] In order to improve the versatility of the positioning device, the number of first positioning bases 11 is at least two, at least two first positioning bases 11 are arranged at intervals along the X direction, and the distance between two adjacent first positioning bases 11 is adjustable. According to the length of the workpiece 100, the operator can adaptively select the number of first positioning bases 11 and adjust the distance between two adjacent first positioning bases 11 to provide a stable and balanced support force to the workpiece 100 to prevent the workpiece 100 from tilting.
[0044] Furthermore, there are two first positioning bases 11, and the clamping mechanism 12 is located between the two first positioning bases 11, so that the workpiece 100 is subjected to balanced force, and the warping phenomenon of the end with less force caused by uneven force on the workpiece 100 is avoided, thereby improving the stability of the workpiece 100 in the first positioning groove 111. The clamping mechanism 12 and the two first positioning bases 11 are not on the same straight line, that is, the clamping mechanism 12 and the first positioning base 11 are staggered to avoid the workpiece 100 and provide a placement space for the workpiece 100.
[0045] like Figure 2 and Figure 4As shown, the second positioning mechanism 2 includes a fixing portion 21 and a push rod 22. The push rod 22 is movably arranged on the fixing portion 21 and can be detachably inserted into the positioning hole 101, thereby limiting the workpiece 100 in the axial direction and preventing the workpiece 100 from rotating, thereby ensuring that the workpiece 100 and the accessory 200 will not slide relative to each other during the welding process.
[0046] Specifically, the push rod 22 is threadedly connected to the fixing portion 21, and the operator only needs to screw the push rod 22 to adjust the length of the push rod 22 protruding from the fixing portion 21, which is easy to operate and improves the clamping efficiency of the positioning device. According to the different sizes of the workpiece 100, the operator can flexibly adjust the length of the push rod 22 protruding from the fixing portion 21, so that workpieces 100 of various sizes can be limited.
[0047] In this embodiment, the push rod 22 has an avoidance position for avoiding the workpiece 100 and a limit position connected to the workpiece 100. The operator first adjusts the length of the push rod 22 protruding from the fixing portion 21 so that the push rod 22 is in the avoidance position to avoid collision with the workpiece 100 until the workpiece 100 is placed in the first positioning groove 111. Then the operator rotates the workpiece 100 so that the positioning hole 101 is located on the moving path of the push rod 22, and then adjusts the length of the push rod 22 protruding from the fixing portion 21 so that the push rod 22 is inserted into the positioning hole 101. At this time, the push rod 22 is in the limit position. After the processing is completed, the push rod 22 is adjusted from the limit position to the avoidance position to take out the finished product consisting of the workpiece 100 and the accessory 200.
[0048] like Figure 3 As shown, the third positioning mechanism 3 includes at least one second positioning base 31. According to the number of accessories 200, the operator can adaptively set the number of second positioning bases 31. The second positioning base 31 is provided with a second positioning groove 311 for clamping the accessory 200. The accessory 200 is clamped in the second positioning groove 311 to limit the position of the accessory 200 in the axial direction of the workpiece 100 to prevent the accessory 200 from deviating from the preset welding position. In this embodiment, since the number of accessories 200 to be welded is two, two second positioning bases 31 are provided on the positioning platform 300, wherein the widths of the two second positioning grooves 311 are respectively adapted to the widths of the two accessories 200, so that the accessory 200 can be clamped in the corresponding second positioning groove 311.
[0049] Furthermore, the preset welding positions may be different for different workpieces 100, so the second positioning base 31 is adjustably installed on the positioning platform 300, so that the operator can easily adjust the position of the second positioning base 31 so that the accessory 200 clamped by the second positioning base 31 is in the preset welding position.
[0050] In this embodiment, the clamping mechanism 12 is a quick clamp, which has a simple structure and is easy to operate, and can quickly clamp and release the workpiece 100 .
[0051] Specifically, Figure 3 and Figure 5 As shown, the clamping mechanism 12 includes a first support 121, a first abutment 122 and a limiting member 123. The first end of the first abutment 122 is hinged to the first support 121 so that the second end of the first abutment 122 is close to or away from the workpiece 100. The limiting member 123 is hinged to the first support 121. The limiting member 123 is configured to limit the first abutment 122 so that the second end of the first abutment 122 is pressed against the workpiece 100. The specific structure of the limiting member 123 is prior art and will not be elaborated herein.
[0052] Furthermore, a limiting protrusion 1211 is provided on the first support 121, and the limiting protrusion 1211 is used to limit the moving stroke of the limiting member 123. The quick clamp of this embodiment is a mature product, which can be obtained by outsourcing at a low cost. The manual operation process of the quick clamp is not described in detail. It is understandable that the above-mentioned quick clamp can also realize the rotation of the limiting member 123 through a driving member such as a motor, thereby realizing the automatic clamping of the quick clamp.
[0053] Optionally, in other embodiments, the clamping mechanism 12 may also be an automatic clamping mechanism, for example, a conventional driving member such as a motor or a hydraulic cylinder drives the clamping rod to move telescopically, so that the clamping rod presses against or releases the workpiece 100. The automatic clamping mechanism only needs to be able to press against or release the workpiece 100, and will not be listed here one by one.
[0054] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.
Claims
1. A positioning device for limiting the position of a workpiece (100) and an accessory (200), characterized in that: The positioning device comprises: A first positioning mechanism (1), the first positioning mechanism (1) comprising a first positioning base (11) and a pressing mechanism (12), the first positioning base (11) being provided with a first positioning groove (111), the pressing mechanism (12) being configured to press the workpiece (100) into the first positioning groove (111); A second positioning mechanism (2), wherein a positioning hole (101) is provided on a circumferential side surface of the workpiece (100), and the second positioning mechanism (2) can be detachably inserted into the positioning hole (101); A third positioning mechanism (3), the third positioning mechanism (3) is used to carry the accessory (200).
2. The positioning device according to claim 1, characterized in that: The circumferential side surface of the workpiece (100) is an arc surface, and the width of the first positioning groove (111) gradually decreases from top to bottom.
3. The positioning device according to claim 2, characterized in that: The number of the first positioning bases (11) is at least two, at least two of the first positioning bases (11) are arranged at intervals along the X direction, and the distance between two adjacent first positioning bases (11) is adjustable; Wherein, the X direction is parallel to the axial direction of the workpiece (100) carried in the first positioning groove (111).
4. The positioning device according to claim 3, characterized in that: The number of the first positioning bases (11) is two, the clamping mechanism (12) is located between the two first positioning bases (11), and the clamping mechanism (12) and the two first positioning bases (11) are not on the same straight line.
5. The positioning device according to claim 1, characterized in that: The second positioning mechanism (2) comprises a fixing portion (21) and a push rod (22); the push rod (22) is movably arranged on the fixing portion (21) and can be detachably inserted into the positioning hole (101).
6. The positioning device according to claim 5, characterized in that: The push rod (22) is threadedly connected to the fixing portion (21).
7. The positioning device according to claim 1, characterized in that: The positioning device further comprises a positioning platform (300), and the first positioning mechanism (1), the second positioning mechanism (2) and the third positioning mechanism (3) are all arranged on the positioning platform (300).
8. The positioning device according to claim 7, characterized in that: The third positioning mechanism (3) comprises at least one second positioning base (31), and the second positioning base (31) is provided with a second positioning groove (311) for clamping the accessory (200).
9. The positioning device according to claim 8, characterized in that: The second positioning base (31) is mounted on the positioning platform (300) in an adjustable manner.
10. The positioning device according to any one of claims 1 to 9, characterized in that: The clamping mechanism (12) is a quick clamp.