High-precision adjustable FDS process test piece positioning tool

Abstract

The utility model relates to the technical field of automobile process test tools, in particular to a high-precision adjustable FDS process test piece positioning tool which comprises a base, the base comprises a base, a connecting plate is detachably connected to the upper portion of the base, and the top face of the connecting plate is connected with a positioning mechanism and a clamping mechanism through bolts. The positioning mechanism comprises a calibration hole, and the calibration hole is formed in the top surface of the positioning mechanism; the clamping mechanism comprises a support and a clamping block; the two ends of the base are in pivot connection with fixed handles respectively, and the connecting plate is connected with the base through the fixed handles. The FDS robot positioning debugging device can be suitable for test pieces with different thicknesses under different working conditions, can be quickly switched, and solves the problems that an FDS robot in the prior art is long in positioning debugging period, low in efficiency and high in labor intensity of personnel.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile process test fixtures, in particular to a high-precision adjustable FDS process test specimen positioning fixture. Background Art

[0002] With the development of lightweight automobile bodies, the FDS process has been widely used in body manufacturing. During the process preparation of the FDS process, it is necessary to conduct process tests on sheets of different thicknesses, different materials, and different types of self-tapping screws to determine reasonable process parameters. The debugging process requires frequent switching of sheet combinations. The current solution mainly uses a clamp to clamp the sheet combination and place it on the platform. In order to ensure that the FDS equipment will not be damaged due to deviations in the sheet placement position, the robot's tester needs to accurately adjust the FDS working area to the designated processing position of the sheet before conducting process tests, which makes the debugging cycle long, the efficiency low, and the labor intensity high.

[0003] CN210967309U A flexible clamping fixture for automobile bumpers, which relates to the technical field of automobile production equipment; it comprises a base assembly, a first support clamping assembly, a second support clamping assembly, a height support assembly, a third support clamping assembly, a fourth support clamping assembly, a first support dust suction assembly, and a second support dust suction assembly. The flexible clamping fixture for automobile bumpers described in the utility model has novel structure, fast positioning, accurate and reliable, strong stability, high repeated positioning, and can meet the flexible clamping of bumpers of different models and sizes.

[0004] CN220744442U discloses a battery base FDS tooling, which belongs to the field of battery processing technology. The transport unit includes a pair of parallel transverse slide rail assemblies, and the workpiece is slidably placed on the transverse slide rail assemblies; each transverse slide rail assembly is respectively connected to a power assembly, and the two power assemblies drive the two transverse slide rail assemblies to move closer or farther; the lifting unit is located between the two transverse slide rails, and the lifting unit is used to lift or lower the workpiece; the positioning unit is located below the lifting unit; when the lifting unit lowers the workpiece, the positioning unit locates the position of the workpiece; the suction cup assembly is located below the lifting unit; when the lifting unit lowers the workpiece, the suction cup assembly adsorbs the workpiece. The utility model adds a motion unit, a lifting unit, a positioning unit and a suction cup assembly to the tooling, reduces the operation between personnel and material frames, reduces the handling of personnel, and at the same time improves production efficiency and processing quality, and reduces product scrapping and the like.

[0005] Existing technologies rarely involve FDS process test specimen positioning tooling, and the problems of long FDS robot positioning and debugging cycle, low efficiency, and high labor intensity have not been well solved. Utility Model Content

[0006] The purpose of the utility model is to provide a high-precision adjustable FDS process test specimen positioning tool, which can be suitable for test specimens of different thicknesses under different working conditions and can be quickly switched, thereby solving the problems of long positioning and debugging cycle, low efficiency and high labor intensity of FDS robots in the prior art.

[0007] The utility model provides the following solutions

[0008] A high-precision adjustable FDS process test specimen positioning tool comprises a base, wherein the base comprises a pedestal, a connecting plate is detachably connected to the pedestal, a positioning mechanism and a clamping mechanism are bolted to the top surface of the connecting plate respectively; the positioning mechanism comprises a calibration hole, and the calibration hole is arranged on the top surface of the positioning mechanism.

[0009] Furthermore, the clamping mechanism includes a support, the support is bolted to the connecting plate, a placement groove is provided in the middle of the support, and a clamping block is threadedly connected to the top surface of the side wall of the placement groove.

[0010] The placement groove can limit the horizontal displacement of the test piece, and the clamping block can limit the vertical displacement of the test piece, making the clamping more firm and reliable.

[0011] Furthermore, both ends of the base are pivotally connected with fixed handles, and the connecting plate is connected to the base through the fixed handles.

[0012] The connecting plate is connected to the base through a fixed handle. For different forms of test conditions, the corresponding connecting plate, positioning mechanism and clamping mechanism can be replaced together, making the switching of different working conditions simple and fast.

[0013] Furthermore, a connection plate positioning pin is disposed on the top surface of the base, and a connection plate positioning hole matching with the connection plate positioning pin is disposed on the connection plate, and the connection plate positioning hole is sleeved on the connection plate positioning pin.

[0014] The connecting plate of the base is fixed in the designated position by the positioning pin and the fixing handle, thus ensuring the firmness and accurate positioning of the tooling as a whole;

[0015] Furthermore, the positioning mechanism includes a positioning block, which is bolted to the connecting plate, the calibration hole is arranged on the top surface of the positioning block, and a positioning block positioning pin is also arranged on the positioning block. A positioning block positioning hole matching the positioning block positioning pin is arranged at a corresponding position of the connecting plate, and the positioning block positioning pin is inserted into the positioning block positioning hole.

[0016] The positioning block is fixed to the base by positioning pins and bolts. There are position calibration holes on the positioning block. The position of the tooling and the robot can be calibrated regularly through the calibration holes to ensure the relative position accuracy between the tooling and the robot.

[0017] Furthermore, the support includes a left support and a right support that are symmetrically arranged; a gap is left between the left and right supports, and an FDS self-tapping screw avoidance hole is provided on the connecting plate at a position corresponding to the gap.

[0018] A gap is reserved between the left and right supports for the FDS self-tapping screws to pass through, and FDS self-tapping screw avoidance holes are provided at corresponding positions of the connecting plate to avoid damaging the connecting plate or the self-tapping screws.

[0019] Furthermore, the clamping block includes a clamping seat, a spring and a clamping bolt. The clamping seat is a semicircular columnar structure, and a groove for accommodating the spring is provided on its top surface. A through hole is provided on the bottom surface of the groove. The clamping bolt passes through the through hole and is threadedly connected to the top surface of the side wall of the placement groove of the support. The spring is arranged in the groove and sleeved on the outside of the clamping bolt. The top end of the spring stops on the bottom surface of the nut of the clamping bolt, and the bottom end stops on the bottom surface of the groove. The clamping seat is slidably sleeved with the clamping bolt.

[0020] The clamping block can adjust the clamping height through a spring, is suitable for test specimens of different thicknesses, reduces the adjustment workload of the process, and thus improves the efficiency of the FDS process test process.

[0021] Furthermore, the fixed handle includes a rotating shaft, and the fixed handle is pivotally connected to the base via the rotating shaft; the fixed handle also includes a fastening screw and a fastening nut, the fastening nut is fixedly connected to the fastening screw, and the fastening screw is threadedly connected to the rotating shaft.

[0022] Furthermore, a rotation groove is provided at the connection between the base and the fixed handle, and U-shaped holes matching with the fixed handle are provided at both ends of the connecting plate.

[0023] Compared with the prior art, the utility model has the following advantages:

[0024] The high-precision adjustable FDS process test specimen positioning tooling provided by the utility model mainly includes a base, a positioning mechanism and a clamping mechanism. The connecting plate of the base is fixed at a specified position by a positioning pin and a fixed handle, thereby ensuring the firmness of the tooling as a whole and accurate positioning; the positioning block is fixed to the base by a positioning pin and a bolt, and there is a position calibration hole on the positioning block, through which the position of the tooling and the robot can be regularly calibrated, thereby ensuring the relative position accuracy with the robot; the connecting plate is connected to the base by a fixed handle, and the clamping mechanism is connected to the connecting plate by bolts. For different forms of test conditions, the corresponding clamping mechanism can be replaced, or the connecting plate, the positioning mechanism and the clamping mechanism can be replaced together, so that the switching of different working conditions is simple and fast; at the same time, the clamping block can adjust the clamping height through a spring, which is suitable for test specimens of different thicknesses, reducing the adjustment workload of the process, thereby improving the efficiency of the FDS process test process. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Attached Figure 1 This is a structural schematic diagram of the high-precision adjustable FDS process test piece positioning tooling of the utility model;

[0027] Attached Figure 2 This is a schematic diagram of the structure explosion of the high-precision adjustable FDS process test piece positioning tooling of the utility model;

[0028] Attached Figure 3 It is a schematic diagram of the explosion structure of the base of the utility model;

[0029] Attached Figure 4 It is a schematic diagram of the exploded structure of the positioning mechanism of the utility model;

[0030] Attached Figure 5 It is a schematic diagram of the structural explosion of the clamping mechanism of the utility model.

[0031] In the figure:

[0032] 1-base, 11-pedestal, 111-fixed handle, 1111-rotating shaft, 1112-fastening screw, 1113-fastening nut, 112-connecting plate locating pin, 12-connecting plate, 121-connecting plate locating hole, 122-locating block locating hole, 123-U-shaped hole, 124-FDS self-tapping screw avoidance hole, 2-positioning mechanism, 21-positioning block, 211-calibration hole, 22-positioning block locating pin, 23-mounting bolt, 3-clamping mechanism, 31-support, 311-left support, 312-right support, 313-placement groove, 32-clamping block, 321-clamping seat, 322-spring, 323-clamping bolt, 4-test piece. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solutions and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application.

[0034] The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. The singular forms "a", "said" and "the" used in the embodiments of the present application and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings, and "multiple" generally includes at least two.

[0035] It should be understood that the term "and / or" used in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0036] It should be understood that although the terms first, second, third, etc. may be used to describe in the embodiments of the present application, these descriptions should not be limited to these terms. These terms are only used to distinguish the descriptions. For example, without departing from the scope of the embodiments of the present application, the first may also be referred to as the second, and similarly, the second may also be referred to as the first.

[0037] As used herein, the words "if" and "if" may be interpreted as "at the time of" or "when" or "in response to determining" or "in response to detecting", depending on the context. Similarly, the phrases "if it is determined" or "if (stated condition or event) is detected" may be interpreted as "when it is determined" or "in response to determining" or "when detecting (stated condition or event)" or "in response to detecting (stated condition or event)", depending on the context.

[0038] It should also be noted that the term "includes", "comprising" or any other variation thereof is intended to cover non-exclusive inclusion, so that a commodity or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such commodity or device. In the absence of more restrictions, the elements defined by the sentence "comprising a ..." do not exclude the existence of other identical elements in the commodity or device including the elements.

[0039] It should be particularly noted that any symbols and / or numbers in the specification that are not marked in the accompanying drawings are not drawing marks.

[0040] Example 1, please refer to Figure 1 As shown, the embodiment of the utility model provides a high-precision adjustable FDS process test specimen positioning tool, including a base 1, a positioning mechanism 2 and a clamping mechanism 3. The base 1 is a rectangular parallelepiped structure, and the positioning mechanism 2 and the clamping mechanism 3 are respectively fixed to the two ends of the top surface of the base 1 by bolts.

[0041] Specifically, see Figure 2 and Figure 3 As shown, the base 1 includes a base 11 and a connecting plate 12, and the base 11 is fixed on the ground. In this embodiment, two positioning pin holes and four countersunk holes are set at the positions near the two ends of the base 11, and the base 11 is fixed to the specified position on the cement floor by using expansion bolts to pass through the countersunk holes; a connecting plate positioning pin 112 is set at the top surface of the base 11 near the two ends, which is used to accurately position the connecting plate 12; a fixed handle 111 is pivotally connected at both ends of the base 11 for fixing the connecting plate 12, and the fixed handle 111 includes a rotating shaft 1111, a fastening screw 1112 and a fastening nut 1113, and a threaded hole matching the fastening screw 1112 is provided on the rotating shaft 1111, and the fastening nut 1113 is welded or integrally formed with the fastening screw 1112, and a rotating groove is provided at the connection between the base 11 and the fixed handle 111, and the fixed handle 111 can rotate around the rotating shaft 1111, and the fastening screw 1112 can be extended and retracted relative to the threaded hole by rotation.

[0042] The connecting plate 12 is arranged on the top surface of the base 11, and includes two connecting plate positioning holes 121 that cooperate with the connecting plate positioning pins 112 on the base 11. The connecting plate positioning holes 121 are sleeved on the connecting plate positioning pins 112 to realize the positioning of the connecting plate 12; the top surface of the connecting plate 12 is also provided with mounting threaded holes for installing the fixed positioning mechanism 2 and the clamping mechanism 3; the two ends of the connecting plate 12 are respectively provided with a U-shaped hole 123 that cooperates with the fixing handle 111, and the connecting plate 12 can be fixed or loosened by rotating the fixing handle 111 and rotating the fastening screw 1112.

[0043] Specifically, see Figure 2 and Figure 4 As shown, the positioning mechanism 2 includes a positioning block 21, which is bolted to the connecting plate 12 by means of mounting bolts 23. A calibration hole 211 is provided on the top surface of the positioning block 21 for positioning and calibration of the FDS robot. A positioning block locating pin 22 is also provided on the positioning block 21, and a positioning block locating hole 122 matching the positioning block locating pin 22 is provided at a corresponding position of the connecting plate 12. The positioning block locating pin 22 is inserted into the positioning block locating hole 122 to realize precise positioning of the positioning mechanism 2.

[0044] Specifically, see Figure 2 and Figure 5 As shown, the clamping mechanism 3 includes a support 31, which is bolted to the connecting plate 12 by means of mounting bolts 23. A placement groove 313 is provided in the middle of the support 31 for placing the test specimen 4 for the test. Preferably, the support 31 includes two left and right parts symmetrically arranged along the long axis of the base 1, namely a left support 311 and a right support 312; a gap is left between the left and right supports for the FDS self-tapping screws to pass through; the support 31 can also be integral, with a hollow portion in the middle for the FDS self-tapping screws to pass through; preferably, an FDS self-tapping screw avoidance hole 124 is provided at the corresponding position of the connecting plate 12 to avoid damaging the connecting plate 12 or the self-tapping screws.

[0045] The clamping mechanism 3 also includes two clamping blocks 32, which are bolted to the left and right supports 312 respectively, and are used to clamp the test piece 4. The clamping block 32 includes a clamping seat 321, a spring 322 and a clamping bolt 323. The clamping seat 321 is a semicircular columnar structure, and a groove for accommodating the spring 322 is provided on the top surface thereof, and a through hole is provided on the bottom surface of the groove. The clamping bolt 323 passes through the through hole and is threadedly connected to the top surface of the side wall of the placement groove 313 of the support 31. The spring 322 is arranged in the groove and sleeved on the outside of the clamping bolt 323. The top end of the spring 322 stops at the bottom surface of the nut of the clamping bolt 323, and the bottom end stops at the bottom surface of the groove. The clamping seat 321 can rotate around the clamping bolt 323 and can slide up and down.

[0046] When in use, first place the connecting plate 12 fixed with the positioning mechanism 2 and the clamping mechanism 3 on the base 11, turn the fixing handle 111 so that the fastening screw 1112 is located in the U-shaped hole 123, then rotate the fastening screw 1112 until the fastening nut 1113 presses the connecting plate 12, that is, the fixing of the connecting plate 12 is completed; then rotate the clamping seats 321 of the two clamping blocks 32 respectively until the semicircular straight edges coincide with the edges of the placement groove 313, at this time, the FDS process test specimen 4 can be placed in the placement groove 313, then slide upward and rotate the clamping seat 321 so that the curved edge of the clamping seat 321 is placed on the top surface of the specimen 4, at this time, due to the elastic force of the spring 322, the specimen 4 is clamped; finally, align the test head of the FDS robot with the calibration hole 211 of the positioning mechanism 2, that is, the positioning work is completed, and the FDS process test can be started. After the test is completed, the clamping seat 321 can be rotated again to remove and replace the specimen 4.

[0047] The high-precision adjustable FDS process test specimen positioning tooling provided in this embodiment has a connecting plate 12 of the base 1 fixed at a specified position by a positioning pin and a fixed handle 111, thereby ensuring that the tooling is firm as a whole and accurately positioned; the positioning block 21 is fixed to the base 1 by a positioning pin and a bolt, and a position calibration hole 211 is provided on the positioning block 21, and the position of the tooling and the robot can be calibrated regularly through the calibration hole 211, thereby ensuring the relative position accuracy between the tooling and the robot; the connecting plate 12 is connected to the base 11 by a fixed handle 111, and the clamping mechanism 3 is connected to the connecting plate 12 by bolts. For different forms of test conditions, the corresponding clamping mechanism 3 can be replaced, or the connecting plate 12, the positioning mechanism 2 and the clamping mechanism 3 can be replaced together, so that the switching of different working conditions is simple and fast; at the same time, the clamping block 32 can adjust the clamping height by a spring 322, which is suitable for test specimens 4 of different thicknesses, reducing the adjustment workload of the process, thereby improving the efficiency of the FDS process test process.

[0048] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A high-precision adjustable FDS process test specimen positioning tool, characterized in that: The base (1) comprises a pedestal (1), wherein the pedestal (11) comprises a base (11), a connecting plate (12) is detachably connected to the top of the base (11), a positioning mechanism (2) and a clamping mechanism (3) are respectively bolted to the top surface of the connecting plate (12); the positioning mechanism (2) comprises a calibration hole (211), and the calibration hole (211) is arranged on the top surface of the positioning mechanism (2).

2. The high-precision adjustable FDS process test specimen positioning tool according to claim 1 is characterized in that: The clamping mechanism (3) comprises a support (31), the support (31) is bolted to the connecting plate (12), a placement groove (313) is provided in the middle of the support (31), and a clamping block (32) is threadedly connected to the top surface of the side wall of the placement groove (313).

3. The high-precision adjustable FDS process test specimen positioning tool according to claim 1 is characterized in that: Both ends of the base (11) are pivotally connected to fixed handles (111), and the connecting plate (12) is connected to the base (11) via the fixed handles (111).

4. The high-precision adjustable FDS process test specimen positioning tool according to claim 1 is characterized in that: The top surface of the base (11) is provided with a connecting plate positioning pin (112), and the connecting plate (12) is provided with a connecting plate positioning hole (121) that matches the connecting plate positioning pin (112), and the connecting plate positioning hole (121) is sleeved on the connecting plate positioning pin (112).

5. The high-precision adjustable FDS process test specimen positioning tool according to claim 1 is characterized in that: The positioning mechanism (2) comprises a positioning block (21), the positioning block (21) being bolted to the connecting plate (12), the calibration hole (211) being arranged on the top surface of the positioning block (21), the positioning block (21) being further provided with a positioning block positioning pin (22), a positioning block positioning hole (122) matching with the positioning block positioning pin (22) being arranged at a corresponding position of the connecting plate (12), and the positioning block positioning pin (22) being inserted into the positioning block positioning hole (122).

6. The high-precision adjustable FDS process test specimen positioning tool according to claim 2 is characterized in that: The support (31) comprises a left support (311) and a right support (312) which are symmetrically arranged; a gap is left between the left and right supports, and an FDS self-tapping screw avoidance hole (124) is provided on the connecting plate (12) at a position corresponding to the gap.

7. The high-precision adjustable FDS process test specimen positioning tool according to claim 2 is characterized in that: The clamping block (32) comprises a clamping seat (321), a spring (322) and a clamping bolt (323). The clamping seat (321) is a semicircular columnar structure, and a groove for accommodating the spring (322) is provided on its top surface. A through hole is provided on the bottom surface of the groove. The clamping bolt (323) passes through the through hole and is threadedly connected to the top surface of the side wall of the placement groove (313) of the support (31). The spring (322) is arranged in the groove and sleeved on the outside of the clamping bolt (323). The top end of the spring (322) stops at the bottom surface of the nut of the clamping bolt (323), and the bottom end stops at the bottom surface of the groove. The clamping seat (321) and the clamping bolt (323) are slidably sleeved.

8. The high-precision adjustable FDS process test specimen positioning tool according to claim 3 is characterized in that: The fixed handle (111) comprises a rotating shaft (1111), and the fixed handle (111) is pivotally connected to the base (11) via the rotating shaft (1111); the fixed handle (111) further comprises a fastening screw (1112) and a fastening nut (1113), and the fastening nut (1113) is fixedly connected to the fastening screw (1112), and the fastening screw (1112) is threadedly connected to the rotating shaft (1111).

9. The high-precision adjustable FDS process test specimen positioning tool according to claim 8, characterized in that: A rotation groove is provided at the connection between the base (11) and the fixed handle (111), and U-shaped holes (123) matching with the fixed handle (111) are provided at both ends of the connecting plate (12).

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