A circular workpiece rapid positioning device

Abstract

The utility model discloses a circular workpiece rapid positioning device, which includes: a base, the top surface of the base includes a first concave groove, the cross section of the first groove along the first surface includes a first side wall and a second side wall formed by tilting from bottom to top; a positioning mechanism, the positioning mechanism includes a cover body, a rotating handle and a balancing block; the cover body is snap-connected with the base, and the rotating handle passes through the cover body; the balancing block is arranged at one end of the rotating handle facing the first groove, and the balancing block includes a second concave groove facing the first groove, and the cross section of the second groove along the first surface includes a third side wall and a fourth side wall formed by tilting from top to bottom; the cover body includes a screw hole, and the outer side of the rotating handle includes a thread matching the screw hole. By means of the structure of the utility model, the balancing block can be pushed to squeeze the workpiece by rotating the rotating handle, so as to achieve rapid and high-precision fixation of the workpiece.

Description

Technical Field

[0001] The utility model relates to a circular workpiece rapid positioning device, belonging to the technical field of processing molds. Background Art

[0002] The description in this section merely provides background information related to the disclosure of the present utility model and does not constitute prior art.

[0003] During the processing of the workpiece, the workpiece itself needs to be accurately positioned. Generally speaking, it is only necessary to apply external force to the workpiece itself to fix it before proceeding to the next step of processing.

[0004] However, in actual operation, there are many workpieces with circular cross-sections or even spherical shapes. It is difficult to achieve simple positioning for such workpieces. Due to the symmetry of circular workpieces and the lack of obvious positioning features, it is difficult to accurately position them during processing, assembly or testing. If the positioning is wrong, it may lead to processing deviation, which not only affects production efficiency, but also may affect the quality of the final product.

[0005] Existing devices for positioning circular workpieces are generally more complicated. Some use magnetic force or vacuum adsorption to fix the spherical body, which is costly and unstable in use, and prone to errors. In other devices for positioning circular workpieces, the workpiece to be fixed is fixed by multi-sided extrusion through physical structure, which is more stable in structure, but the operation is more complicated and the positioning speed is slower.

[0006] Currently, there is no circular workpiece rapid positioning device that can solve the above problems. Utility Model Content

[0007] The utility model aims to provide a circular workpiece rapid positioning device, which can realize rapid and high-precision fixation of the workpiece by rotating a handle to push a balancing block to squeeze the workpiece.

[0008] In order to achieve the above-mentioned object, the utility model discloses the following circular workpiece rapid positioning device, which is used to position the workpiece, wherein the cross section of the workpiece along the first surface is circular; wherein the circular workpiece rapid positioning device comprises:

[0009] A base, wherein the top surface of the base includes a first concave groove, and the cross section of the first groove along the first surface includes a first side wall and a second side wall formed by tilting from bottom to top;

[0010] A positioning mechanism, the positioning mechanism includes a cover body, a rotating handle and a balancing block; the bottom of the cover body is snap-connected with the base, and the rotating handle passes through the cover body; the balancing block is arranged at one end of the rotating handle facing the first groove, and the balancing block includes a concave second groove facing the first groove, and the cross-section of the second groove along the first surface includes a third side wall and a fourth side wall formed by tilting from top to bottom; the cover body includes a screw hole, and the outer side of the rotating handle includes a thread matching the screw hole, so that the rotating handle pushes the second groove toward the first groove by spinning, so that the first groove and the second groove jointly clamp the workpiece.

[0011] Furthermore, the rotating handle includes a fixed ball, the balancing block includes a spherical groove matching the fixed ball, and the fixed ball is clamped in the spherical groove so that the balancing block is swingably connected to the rotating handle.

[0012] Furthermore, the outer periphery of the base includes a plurality of fixing grooves arranged in an array parallel to the movable direction of the balancing weight for the cover to be clamped.

[0013] Furthermore, the base includes two groups of fixing grooves.

[0014] Further, an included angle between the first side wall and the second side wall is the same as an included angle between the third side wall and the fourth side wall.

[0015] Further, when the first groove and the second groove jointly clamp the workpiece, there is no contact between the base and the balancing block.

[0016] Further, a first intersection is defined between the first side wall and the second side wall, a second intersection is defined between the third side wall and the fourth side wall, and a line connecting the first intersection and the second intersection passes through the center of the circular cross-section of the workpiece.

[0017] Furthermore, the rotating handle is bent into two sections with different angles, and one section is arranged on a side of the thread away from the balancing weight.

[0018] By means of the above technical solution, the beneficial effects of the utility model are as follows:

[0019] The circular workpiece rapid positioning device of the utility model can drive the rotating handle in the positioning mechanism to rotate, and with the help of threaded cooperation, the rotating handle drives the second groove on the balancing block to move toward the first groove, and with the help of multiple side wall structures on the first groove and the second groove that match the workpiece, the workpiece can be fixed in all directions, and the conditions for the tightness of the fixation can be freely achieved by only adjusting the rotating handle, and the positioning speed of the workpiece is significantly improved through the simple mechanical structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of this specification or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this specification. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0021] Figure 1 It is a cross-sectional schematic diagram of a circular workpiece rapid positioning device provided in an embodiment of this specification;

[0022] In the figure: 100, workpiece; 1, base; 11, first groove; 111, first side wall; 112, second side wall; 12, fixing groove; 2, positioning mechanism; 21, cover; 211, screw hole; 22, rotating handle; 221, thread; 222, fixing ball; 23, balancing block; 231, second groove; 2311, third side wall; 2312, fourth side wall; 232, spherical groove. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the technical solutions in this specification, the technical solutions in the embodiments of this specification will be clearly and completely described below in conjunction with the drawings in the embodiments of this specification. Obviously, the described embodiments are only part of the embodiments of this specification, not all of the embodiments. Based on the embodiments in this specification, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of this specification.

[0024] In the description of the present utility model, it should be noted that the terms "upper", "middle", "lower", "inner", "outer", "front", "back" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model. The terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The following describes the implementation method of the present utility model based on its overall structure.

[0025] See also Figure 1 , is a circular workpiece rapid positioning device of this embodiment, used for positioning a workpiece 100, wherein the cross section of the workpiece 100 along the first surface is circular; wherein the circular workpiece rapid positioning device comprises:

[0026] The base 1 includes a first concave groove 11 on the top surface of the base 1, and the cross section of the first groove 11 along the first surface includes a first side wall 111 and a second side wall 112 formed by tilting from bottom to top; the base 1 also includes a fixing groove 12, and the fixing groove 12 is arranged at the side of the first groove 11;

[0027] The positioning mechanism 2 includes a cover body 21, a rotating handle 22 and a balancing block 23; the bottom of the cover body 21 is snap-connected with the base 1, and the rotating handle 22 is arranged through the cover body 21; the balancing block 23 is arranged at one end of the rotating handle 22 facing the first groove 11, and the balancing block 23 includes a concave second groove 231 facing the first groove 11, and the cross-section of the second groove 231 along the first surface includes a third side wall 2311 and a fourth side wall 2312 formed by tilting from top to bottom; the cover body 21 includes a screw hole, and the outer side of the rotating handle 22 includes a thread 221 matching the screw hole 211, so that the rotating handle 22 pushes the second groove 231 toward the first groove 11 by spinning, so that the first groove 11 and the second groove 231 jointly clamp the workpiece 100.

[0028] Through the above structure, when operating in this embodiment, the staff first rotates the rotating handle 22 in the positioning mechanism 2 in the opposite direction to allow a larger spatial distance between the balancing block 23 and the base 1 for the workpiece 100 to be placed, and then the workpiece 100 is only required to be pre-placed in the first groove 11 on the base 1. Under the action of the self-weight of the workpiece 100, a portion of the workpiece 100 with a circular cross-section and the first side wall 111 and the second side wall 112 in the first groove 11 naturally conflict with each other, that is, the workpiece 100 contacts at least a portion of the first side wall 111 and at least a portion of the second side wall 112, respectively. Then, the staff rotates the rotating handle 22 in the positioning mechanism 2 in the positive direction, so that the rotating handle 22 moves toward the balancing block 23 at one end of the base 1 toward the workpiece 100. During the displacement process, the second groove 231 in the balancing block 23 touches the workpiece 100, and at least a portion of the third side wall 2311 and / or the fourth side wall 2312 in the second groove 231 applies abutting force to the workpiece 100, causing the workpiece 100 to move. Finally, under the joint action of the first groove 11 and the second groove 231, at least a portion of the four surfaces (the first side wall 111, the second side wall 112, the third side wall 2311 and the fourth side wall 2312) are pressed against the workpiece 100, completing the positioning of the workpiece 100 with a circular cross-section, and at this time, the rotation of the rotating handle 22 is stopped.

[0029] In the above process, with the help of the thread 221 of the rotating handle 22 and the screw hole 211 on the cover body 21 matching the thread 221, the staff only needs to rotate the rotating handle 22 to realize the up and down displacement of the rotating handle 22 with the help of the screw hole 211, thereby realizing the control of the balance block 23, and making the first groove 11 and the second groove 231 of the V-shaped cross-section clamp the workpiece 100 together. Compared with the existing magnetic suction structure, the structure is simpler, and the physical and mechanical structure operates more stably, so that the positioning deviation is smaller.

[0030] In this embodiment, the workpiece 100 is a cylindrical body with a circular cross-section, and the first side wall 111, the second side wall 112, the third side wall 2311 and the fourth side wall 2312 are respectively regular rectangular walls extending perpendicular to the drawing plane, so that the four walls of the first side wall 111, the second side wall 112, the third side wall 2311 and the fourth side wall 2312 are completely abutted against the cylindrical workpiece 100, and the abutting positions are linear, that is, each side wall and the spherical workpiece 100 The contact point is a regularly extended straight line, thereby realizing the positioning of the workpiece 100.

[0031] In the second embodiment, the workpiece 100 is a regular sphere, and the first groove 11 and the second groove 231 are concave conical spaces matching the spherical body of the workpiece 100. During positioning, at least part of the conical annular area of ​​the first groove 11 abuts against the corresponding annular area on the spherical workpiece 100, and at least part of the conical annular area of ​​the second groove 231 also abuts against another corresponding annular area on the spherical workpiece 100, thereby achieving positioning of the workpiece 100.

[0032] In the third embodiment, the workpiece 100 is a regular sphere, the workpiece 100 is a regular sphere, the first side wall 111, the second side wall 112, the third side wall 2311 and the fourth side wall 2312 are respectively regular rectangular walls extending perpendicular to the drawing, so that the four walls of the first side wall 111, the second side wall 112, the third side wall 2311 and the fourth side wall 2312 are completely abutted against the spherical workpiece 100, and the mutual abutment positions are four abutment points on the wall and the spherical body of the workpiece 100, thereby realizing the positioning of the workpiece 100.

[0033] Furthermore, the rotating handle 22 includes a fixed ball 222, and the balancing block 23 includes a spherical groove 232 matching the fixed ball 222, and the fixed ball 222 is clamped in the spherical groove 232, so that the balancing block 23 is swingably connected to the rotating handle 22. Specifically, through the setting of the spherical groove 232 and the fixed ball 222 in the above structure, the balancing block 23 can swing to a certain extent when the workpiece 100 is squeezed by the balancing block 23, so as to better achieve the third side wall 2311 and the fourth side wall 2312 to fit the outer surface of the fixed ball 222. Among them, the swing of the balancing block 23 takes the spherical center point of the fixed ball 222 as the center of the swing, and the maximum swing of the balancing block 23 is determined by the opening width of the spherical groove 232 to meet the actual positioning requirements.

[0034] Furthermore, the outer periphery of the base 1 includes a plurality of groups of fixing grooves 12 arranged in an array parallel to the movable direction of the balancing block 23 for the cover 21 to be clamped. Specifically, the base 1 includes two groups of fixing grooves 12. By providing a plurality of groups of fixing grooves 12, the cover 21 can freely select a fixed height according to the actual size of the workpiece 100 to be positioned, so that the application range of this embodiment is wider.

[0035] Preferably, the angle between the first side wall 111 and the second side wall 112 is the same as the angle between the third side wall 2311 and the fourth side wall 2312, and when the first groove 11 and the second groove 231 clamp the workpiece 100 together, the base 1 and the balancing block 23 do not contact each other, so as to avoid the workpiece 100 being too small and causing the workpiece 100 to be unable to be clamped. At the same time, there is a first intersection between the first side wall 111 and the second side wall 112, and a second intersection between the third side wall 2311 and the fourth side wall 2312. The line between the first intersection and the second intersection passes through the center of the circular cross section of the workpiece 100. That is to say, the base 1, the balancing block 23 and the workpiece 100 after being fixed keep the same axis, so as to minimize the instability during the fixing process, and also make the deviation generated during positioning easier to be discovered from the outside.

[0036] Furthermore, the rotating handle 22 is bent into two sections with different angles, one of which is arranged on the side of the thread 221 away from the balancing block 23. By bending the rotating handle 22, it is convenient for the staff to quickly rotate the rotating handle 22 from the outside to improve the fixing speed and convenience.

[0037] Although different specific embodiments are mentioned in the content of this application, this application is not limited to the situations described in the industry standards or embodiments, etc. Some industry standards or slightly modified implementation plans based on the implementation of the custom methods or embodiments can also achieve the same, equivalent or similar, or predictable implementation effects after deformation of the above embodiments. The embodiments of data acquisition, processing, output, judgment methods, etc. after these modifications or deformations can still fall within the scope of the optional implementation plans of this application.

[0038] Although the present application has been described through embodiments, those skilled in the art will appreciate that there are many modifications and changes to the present application without departing from the spirit of the present application. It is intended that the attached embodiments include these modifications and changes without departing from the present application.

Claims

1. A circular workpiece rapid positioning device for positioning a workpiece, wherein: The cross section of the workpiece along the first surface is circular; characterized in that the circular workpiece rapid positioning device comprises: A base, wherein the top surface of the base includes a first concave groove, and the cross section of the first groove along the first surface includes a first side wall and a second side wall formed by tilting from bottom to top; A positioning mechanism, the positioning mechanism includes a cover body, a rotating handle and a balancing block; the bottom of the cover body is snap-connected with the base, and the rotating handle passes through the cover body; the balancing block is arranged at one end of the rotating handle facing the first groove, and the balancing block includes a concave second groove facing the first groove, and the cross-section of the second groove along the first surface includes a third side wall and a fourth side wall formed by tilting from top to bottom; the cover body includes a screw hole, and the outer side of the rotating handle includes a thread matching the screw hole, so that the rotating handle pushes the second groove toward the first groove by spinning, so that the first groove and the second groove jointly clamp the workpiece.

2. The circular workpiece rapid positioning device according to claim 1, characterized in that: The rotating handle comprises a fixed ball, the balancing block comprises a spherical groove matched with the fixed ball, and the fixed ball is clamped in the spherical groove so that the balancing block is swingably connected to the rotating handle.

3. The circular workpiece rapid positioning device according to claim 1, characterized in that: The outer periphery of the base includes a plurality of fixing grooves arranged in an array parallel to the moving direction of the balancing block for the cover to be clamped.

4. The circular workpiece rapid positioning device according to claim 3, characterized in that: The base comprises two groups of fixing grooves.

5. The circular workpiece rapid positioning device according to claim 1, characterized in that: An included angle between the first side wall and the second side wall is the same as an included angle between the third side wall and the fourth side wall.

6. The circular workpiece rapid positioning device according to claim 1, characterized in that: When the first groove and the second groove clamp the workpiece together, there is no contact between the base and the balancing block.

7. The circular workpiece rapid positioning device according to claim 1, characterized in that: There is a first intersection point between the first side wall and the second side wall, there is a second intersection point between the third side wall and the fourth side wall, and a line between the first intersection point and the second intersection point passes through the center of the circular cross section of the workpiece.

8. The circular workpiece rapid positioning device according to claim 1, characterized in that: The rotating handle is bent into two sections with different angles, and one section is arranged on a side of the thread away from the balancing block.

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