Pick-up trolley type floating positioning mechanism

Abstract

The present invention discloses a pick-up trolley type floating positioning mechanism, comprising a floating positioning trolley and a trolley positioning frame, wherein the floating positioning trolley is closely connected to the side of the trolley positioning frame, and a quick-change tooling moved by an operating robot or a truss manipulator can be placed on the floating positioning trolley, and the trolley positioning floating frame provided on the floating positioning trolley is fitted on the trolley lifting frame via an I-shaped floating positioning pin and a coarse positioning pin. The I-shaped floating pin is designed to be released during the lifting process, and the four sets of hole pins are adapted to be connected from precise fit to loose fit and then to precise fit on other mechanisms, thereby automatically completing the floating positioning function and simplifying the operation of the positioning quick-change tooling. The present invention can effectively reduce manual handling and realize automatic and stable positioning and fitting of the quick-change tooling, which not only reduces labor costs but also improves the safety of use.

Description

Technical Field

[0001] The invention relates to a pick-up trolley type floating positioning mechanism, belonging to the technical field of mechanical processing. Background Art

[0002] Tooling refers to process equipment: it refers to the general term for various tools used in the manufacturing process, including various types of cutting tools, fixtures, molds, measuring tools, inspection tools, auxiliary tools, bench tools and work station equipment.

[0003] At present, a set of quick-change tooling is usually installed on a robotic arm or truss robot. When the quick-change tooling is replaced regularly, manual cooperation is required to cut off the air each time. Since the quick-change tooling is large and heavy and not convenient to open, two or more operators are often required to carry the corresponding quick-change tooling. The operation process is cumbersome and time-consuming, and it is also easy to cause injuries and damage to the quick-change tooling.

[0004] Therefore, it is necessary to design a floating positioning mechanism so that the quick-change tooling can be accurately placed on the pick-up trolley to achieve recycling, improve work efficiency and save manpower. Summary of the Invention

[0005] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a pick-up trolley type floating positioning mechanism.

[0006] The purpose of the present invention is achieved through the following technical solutions:

[0007] A pick-up trolley floating positioning mechanism of the present invention includes a floating positioning trolley and a trolley positioning frame, the floating positioning trolley is closely connected to the side of the trolley positioning frame, and the quick-changing tooling moved by the working robot or the truss manipulator can be placed on the floating positioning trolley, the floating positioning trolley is assembled by the trolley positioning floating frame, the trolley lifting frame and the trolley frame, wherein the trolley positioning floating frame is located at the top and is fitted on the trolley lifting frame through an I-shaped floating positioning pin and a coarse positioning pin, the trolley lifting frame is fixed to the trolley frame by fastening screws, and a hand wheel is installed on one side of the trolley lifting frame, the trolley positioning floating frame is provided with hole one, hole two, hole three and hole four respectively near the four corners, and the trolley positioning frame is provided with pin one, pin two, pin three and pin four corresponding to hole one, hole two, hole three and hole four.

[0008] Its characteristics are: a docking bushing is provided at the connection between the hole 1 and the trolley positioning floating frame, two groups of limit blocks are respectively provided on both sides, and the two groups of limit blocks are connected to the trolley lifting frame by fastening screws, the I-shaped floating positioning pin is installed on the trolley positioning floating frame through a first hexagonal cylindrical head screw, and the I-shaped floating positioning pin is further positioned and fixed through the positioning bushing, and a rising brake block is installed at the bottom thereof through a second hexagonal cylindrical head screw, which can prevent the trolley positioning floating frame from being disengaged from the trolley lifting frame, and the pin 1 is fixed to the trolley positioning frame through a third hexagonal cylindrical head screw. When the trolley positioning floating frame descends to the trolley positioning frame, the docking bushings provided on the pin 1 and the hole 1 are relative to each other, the apertures of the two are equal and the center axes coincide with each other, thereby completing the docking assembly of the hole 1 and the pin 1.

[0009] Furthermore, in the above-mentioned shuttle trolley type floating positioning mechanism, the hole one and the hole two are set as precision holes, and the inner diameter error range of the hole one and the hole two is ±0.01 to 0.03 mm, and the hole three and the hole four are set as through holes.

[0010] Furthermore, in the above-mentioned shuttle trolley type floating positioning mechanism, pin one and pin two are set as precision size pins, and the diameter error range of pin one and pin two is ±0.01 to 0.03 mm, and pin three and pin four are set as through-hole pins.

[0011] Furthermore, in the above-mentioned shuttle trolley type floating positioning mechanism, a large washer is provided at the upper end of the I-shaped floating positioning pin, and the I-shaped floating positioning pin is tightly installed with the trolley positioning floating frame through the large washer.

[0012] Furthermore, in the above-mentioned shuttle trolley type floating positioning mechanism, a plurality of groups of concave slots are evenly distributed on the upper end surface of the floating positioning trolley, and the quick-change tooling is docked and fixed through the plurality of groups of concave slots.

[0013] Compared with the prior art, the present invention has significant advantages and beneficial effects, which are specifically embodied in:

[0014] The trolley positioning floating frame provided in the present invention is fitted on the trolley lifting frame through an I-shaped floating positioning pin and a coarse positioning pin, completing the adaptive connection between the four sets of hole pins, realizing floating positioning before operation change, so as to accurately place the quick-change tooling, facilitate debugging and assembly, and improve work efficiency.

[0015] Other features and advantages of the present invention will be described in the following description, and in part will become apparent from the description, or will be understood by practicing the specific embodiments of the present invention. The purposes and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the written description and the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 : A schematic structural diagram of the present invention as a whole;

[0018] Figure 2 : An exploded schematic diagram of the present invention as a whole;

[0019] Figure 3 : Schematic diagram of the floating positioning trolley of the present invention;

[0020] Figure 4 : Schematic diagram of the trolley positioning floating frame structure of the present invention;

[0021] Figure 5 : Side view of the floating positioning trolley of the present invention;

[0022] Figure 6 :for Figure 5 BB cross-sectional view;

[0023] Figure 7 :for Figure 6 A magnified view of the structure of part F;

[0024] Figure 8 : It is a side view structural diagram of the trolley positioning floating frame of the present invention when it is about to descend;

[0025] Figure 9 :for Figure 8 CC cross-sectional view;

[0026] Figure 10 :for Figure 9 A magnified view of the structure of part G;

[0027] Figure 11 : is a side structural diagram of the present invention during the descent process of the trolley positioning floating frame (when a precise fit jam occurs);

[0028] Figure 12 :for Figure 11 DD cross-sectional view;

[0029] Figure 13 :for Figure 12 A magnified view of the H part structure;

[0030] Figure 14: It is a side structural schematic diagram of the trolley positioning floating frame of the present invention completing the descent (adaptively installed with the trolley positioning frame);

[0031] Figure 15 :for Figure 14 EE cross-sectional view;

[0032] Figure 16 :for Figure 15 A magnified view of the J part of the structure.

[0033] The meanings of the reference numerals in the figures are shown in the table below:

[0034] DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present invention.

[0036] It should be noted that similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings. At the same time, in the description of the present invention, directional terms and order terms are only used to distinguish the description and should not be understood as indicating or implying relative importance.

[0037] like Figure 1 and Figure 2 As shown, a shuttle trolley type floating positioning mechanism of the present invention includes a floating positioning trolley 1, a trolley positioning frame 2 and a quick-change tooling 23. The floating positioning trolley 1 is closely connected to the side of the trolley positioning frame 2, and the quick-change tooling 23 moved by an operating robot or a truss manipulator can be placed on the floating positioning trolley 1. Several groups of concave slots are evenly distributed on the upper end surface of the floating positioning trolley 1, which is docked and fixed with the quick-change tooling 23 through the several groups of concave slots, thereby improving the placement stability of the quick-change tooling 23.

[0038] According to the technical solution of the present invention, Figure 3 and Figure 4As shown, the floating positioning trolley 1 is assembled from a trolley positioning floating frame 15, a trolley lifting frame 4 and a trolley frame 14, wherein the trolley positioning floating frame 15 is located at the top and is fitted on the trolley lifting frame 4 through an I-shaped floating positioning pin 7 and a coarse positioning pin 16. The trolley lifting frame 4 is fixed to the trolley frame 14 by fastening screws, and a handwheel 24 is installed on one side of the trolley lifting frame 4. The trolley positioning floating frame 15 is provided with holes 3 near the four corners. , hole 17, hole 3, hole 18 and hole 4, 19. Pin 11, pin 20, pin 3, 21 and pin 4, 22 corresponding to hole 13, hole 217, hole 3, 18 and hole 4, 19 are distributed on the trolley positioning frame 2. After the operator rotates and lifts the floating positioning trolley 1 through the hand wheel 24, pushes it to the inside and fixes it tightly, and then manually rotates the hand wheel 24 in the opposite direction to match hole 13, hole 217, hole 3, 18 and hole 4, 19 with pin 11, pin 20, pin 3, 21 and pin 4, 22 one by one.

[0039] Preferably, if Figures 5 to 16 As shown, in the above structure: the connection between the hole 13 and the trolley positioning floating frame 15 is provided with a docking bushing, and two groups of limit blocks 13 are respectively provided on both sides. The two groups of limit blocks 13 are connected to the trolley lifting frame 4 by fastening screws. The upper end of the I-shaped floating positioning pin 7 is provided with a large washer 8. The I-shaped floating positioning pin 7 is installed on the trolley positioning floating frame 15 through the first hexagon socket head screw 9, and the I-shaped floating positioning pin 7 is further positioned and fixed through the positioning bushing 6, and its bottom The lifting brake block 5 is installed on the trolley positioning floating frame 15 through the second hexagon socket head screw 10. The lifting brake block 5 can prevent the trolley positioning floating frame 15 from being disengaged from the trolley lifting frame 4. The pin 11 is fixed to the trolley positioning frame 2 through the third hexagon socket head screw 12. When the trolley positioning floating frame 15 descends to the trolley positioning frame 2, the docking bushings provided on the pin 10 and the hole 1 3 are relative to each other, the apertures of the two are equal and the center axes coincide with each other, so the hole 1 3 and the pin 10 complete the docking assembly.

[0040] Preferably, the hole 1 3 and the hole 2 17 are set as precision holes, the hole 3 18 and the hole 4 19 are set as through holes; the pin 1 11 and the pin 2 20 are set as precision size pins, and the pin 3 21 and the pin 4 22 are set as through-hole pins, so as to ensure that the four groups of hole-pin structures are accurately matched.

[0041] like Figure 11 、 Figure 13 and Figure 16As shown, in specific application, when the trolley positioning floating frame 15 is lifted and close to the inner side of the trolley positioning frame 2, the trolley positioning floating frame 15 is ready to be lowered, and the trolley positioning floating frame is lowered to the process of matching the hole 3 and the pin 11. At the same time, the trolley positioning floating frame will be temporarily stuck due to the precise matching between the hole 3 and the pin 11. The operator needs to rotate the handwheel 24 to continue to lower the trolley lifting frame 4, so that the I-shaped floating positioning pin 7 is completely disengaged from the positioning bushing 6 until it moves to the I-shaped At the slightly thinner part in the middle of the floating positioning pin 7, the trolley positioning floating frame 15 of the floating positioning trolley 1 descends to the trolley positioning frame 3, that is, the limit block 13 is close to the side of the trolley positioning frame 2, and the pin 11 is also completely inserted into the hole 1 3 for stable cooperation, so that the hole 1 3, hole 2 17, hole 3 18 and hole 4 19 correspond to the pin 1 11, pin 2 20, pin 3 21 and pin 4 22. After completing the positioning, a robot or a truss manipulator with a quick-change tooling 23 can be used to accurately place it on the floating positioning trolley 1.

[0042] To sum up, the trolley positioning floating frame provided in the present invention is fitted on the trolley lifting frame through the I-shaped floating positioning pin and the coarse positioning pin, completing the adaptive connection between the four sets of hole pins, and automatically completing the floating positioning function, so as to accurately place the quick-change tooling; moreover, through the unhooking design of the I-shaped floating pin during the lifting process, from precise fit to loose fit and then to precise fit to other mechanisms, the operation of positioning the quick-change tooling is simplified, and it can also be applied to other floating positioning mechanisms with automated control.

[0043] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Various modifications and variations are readily apparent to those skilled in the art. Any modifications, equivalent substitutions, improvements, and the like made within the spirit and principles of the present invention are intended to be included within the scope of protection of the present invention. It should be noted that similar reference numerals and letters denote similar items in the following figures. Therefore, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

[0044] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with this technical field can easily think of changes or replacements within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

[0045] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

Claims

1. A pick-up trolley type floating positioning mechanism, comprising a floating positioning trolley (1) and a trolley positioning frame (2), wherein the floating positioning trolley (1) is closely connected to the trolley positioning frame (2) on its side, and a quick-change tool (23) moved by an operating robot or a truss manipulator can be placed on the floating positioning trolley (1), characterized in that: The floating positioning trolley (1) is assembled from a trolley positioning floating frame (15), a trolley lifting frame (4) and a trolley frame (14), wherein the trolley positioning floating frame (15) is located at the top and is fitted on the trolley lifting frame (4) through an I-shaped floating positioning pin (7) and a coarse positioning pin (16), and the trolley lifting frame (4) is fixed to the trolley frame (14) by fastening screws. The trolley positioning floating frame (15) is provided with a hole 1 (3), a hole 2 (17), a hole 3 (18) and a hole 4 (19) at positions near the four corners, and the trolley positioning frame (2) is provided with a pin 1 (11), a pin 2 (20) corresponding to the hole 1 (3), the hole 2 (17), the hole 3 (18) and the hole 4 (19). , pin three (21) and pin four (22), the I-shaped floating positioning pin (7) is installed on the trolley positioning floating frame (15) through the first hexagon socket head screw (9), and the I-shaped floating positioning pin (7) is further positioned and fixed through the positioning bushing (6), and the bottom thereof is installed with a rising brake block (5) through the second hexagon socket head screw (10), and the rising brake block (5) can prevent the trolley positioning floating frame (15) from being disengaged from the trolley lifting frame (4), the pin one (11) is fixed to the trolley positioning frame (2) through the third hexagon socket head screw (12), and when the trolley positioning floating frame (15) descends to the trolley positioning frame (2), the hole one (3) and the pin one (11) complete the docking assembly.

2. The shuttle trolley type floating positioning mechanism according to claim 1, characterized in that: The hole one (3) and the hole two (17) are set as fine holes, and the hole three (18) and the hole four (19) are set as through holes.

3. The shuttle trolley type floating positioning mechanism according to claim 1 or 2, characterized in that: A docking bushing is provided at the connection between the hole 1 (3) and the trolley positioning floating frame (15), and two groups of limit blocks (13) are provided on both sides. Both groups of limit blocks (13) are connected to the trolley lifting frame (4) through fastening screws.

4. The shuttle trolley type floating positioning mechanism according to claim 1, characterized in that: The pin one (11) and the pin two (20) are set as precision-sized pins, and the pin three (21) and the pin four (22) are set as through-hole pins.

5. The shuttle trolley type floating positioning mechanism according to claim 1 or 4, characterized in that: The pin 1 (11) and the hole 1 (3) are provided with docking bushings in opposite positions, and the apertures of the two are equal in size and the central axes coincide with each other.

6. The shuttle trolley type floating positioning mechanism according to claim 1, characterized in that: A large washer (8) is provided at the upper end of the I-shaped floating positioning pin (7), and the I-shaped floating positioning pin (7) is tightly mounted on the trolley positioning floating frame (15) via the large washer (8).

7. The shuttle trolley type floating positioning mechanism according to claim 1, characterized in that: A hand wheel (24) is installed on one side of the trolley lifting frame (4).

8. The shuttle trolley type floating positioning mechanism according to claim 1, characterized in that: Several groups of concave slots are evenly distributed on the upper end surface of the floating positioning trolley (1), and are docked and fixed with the quick-change tooling (23) through the several groups of concave slots.

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