Modularized assembly type servo linear module

Abstract

The utility model discloses a modular assembly type servo linear module which comprises at least two racks and a moving table in sliding fit with the upper portions of the racks, and the two ends of each rack are in butt joint through a connecting part. According to the implementation mode, the rack is relatively fixed, and the actual part finally participating in external transmission is the moving table; meanwhile, the device further comprises a linear driving assembly, and the linear driving assembly outputs a linear freedom degree to the moving table. According to the utility model, through the mechanical linkage and mutual cooperation between the linear driving assembly and the driving assembly and the cooperation principle between related structural members, automatic assembly is realized according to stroke parameters required by actual assembly or transmission, and rapid shaping and standardized assembly are realized through modularized design; and different transmission requirements proposed by different actual occasions are effectively met, and the actual practicability and economical efficiency requirements are effectively met.

Description

Technical Field

[0001] The utility model relates to the technical field of servo transmission modules, in particular to a modular assembly type servo linear module. Background Art

[0002] Servo linear modules generally refer to a component that converts rotary motion into linear motion, or converts linear motion into rotary motion. They are the most commonly used transmission elements in tool machinery and precision machinery. Their main function is to convert rotary motion into linear motion, or torque into axial repetitive force. They also have the characteristics of high precision, reversibility and high efficiency. They are widely used in various industrial equipment and precision instruments.

[0003] In the prior art, since it is essentially a component that participates in the transmission or specific function requirements of non-standard devices, it requires special processing based on the non-standard design concept, which is essentially contrary to the current standardized design concept;

[0004] To this end, a modular assembled servo linear module is proposed, which is used to solve the problem of special design required for actual non-standard occasions in traditional technology, and is used to reduce design costs and control the rapid prototyping of theoretical stage designs. Utility Model Content

[0005] In view of this, the embodiment of the utility model hopes to provide a modular assembled servo linear module to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice;

[0006] The technical solution of the embodiment of the utility model is implemented as follows: a modular assembled servo linear module, comprising a frame and a moving platform slidably matched to the upper part of the frame, the number of the frames is not less than two, and the two ends of each frame are connected to each other through a connecting part;

[0007] In the above embodiment: the frame is relatively fixed, and the actual component that ultimately participates in the external transmission is the moving platform;

[0008] At the same time, the device also includes a linear drive component, which outputs a linear degree of freedom to the mobile platform, and the actual stroke of the linear degree of freedom is a multiple of the stroke of a single group of the linear degree of freedom, and the multiple is the same as that of the frame.

[0009] In the above embodiment: the linear degree of freedom is based on the core degree of freedom of the transmission of the present device, which is used to connect and cooperate with the driving of the moving platform.

[0010] At the same time, based on the modular design proposed by the device, the actual transmission amount of the linear degree of freedom can be independently formulated based on modular assembly.

[0011] In one embodiment, the connection portion is a recessed groove and a flange respectively provided at two ends of the frame and capable of being engaged with each other; and more than two frames are butted against each other via the recessed groove and the flange.

[0012] In the above embodiment: As described above, the actual transmission amount of the linear degree of freedom can be self-determined based on modular assembly, so the frame as the overall size of the device and the actual spatial trajectory of the linear degree of freedom should also have the function of self-determining the length.

[0013] In one embodiment, a driving assembly is further included, and the driving assembly is used to drive the linear driving assembly to output the linear degree of freedom. The linear driving assembly includes a ball screw, a moving nut threadedly engaged with the ball screw, and couplings of the same number as the rack; the ball screw and the moving nut form the linear degree of freedom, and the moving nut is detachably connected to the moving platform; the length of the coupling is shorter than that of the moving nut, and the outer diameter of the coupling is the same as the major diameter of the outer thread of the ball screw.

[0014] In the above embodiment: the driving component drives the generation of the linear degree of freedom, based on which, a coupling is used to connect two groups of the linear degrees of freedom and integrate them into one linear degree of freedom, that is, the linear degree of freedom required by the device itself.

[0015] In one embodiment: the driving assembly includes a servo power component, a connecting frame and a fixed block; the servo power component is fixedly connected to one end of the frame through the connecting frame; the servo power component is used to drive the ball screw to rotate; the number of the fixed blocks is at least two, which are used to cooperate with the two end shaft heads of the ball screw through bearings.

[0016] In the above embodiment: the servo power element is preferably a servo motor.

[0017] In one embodiment, the frame and the moving platform are slidably matched with each other through a slide assembly. In one embodiment, the slide assembly includes a slider and a slide rail that are slidably matched with each other.

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model realizes self-assembly according to the stroke parameters required for actual assembly or transmission through the mechanical linkage and mutual cooperation between the linear drive components and the drive components, and the cooperation principle between related structural parts, and realizes rapid prototyping and standardized assembly through modular design, effectively responds to different transmission requirements raised in different actual occasions, and effectively meets the actual practicality and economy requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from one perspective;

[0021] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from another perspective;

[0022] Figure 3 It is a schematic diagram of the three-dimensional structure of the linear drive assembly of the utility model;

[0023] Figure 4 It is a schematic diagram of the three-dimensional structure of part of the frame and drive components of the utility model;

[0024] Figure 5 It is a schematic diagram of the three-dimensional structure of the mobile platform of the utility model when viewed from an upward angle.

[0025] Reference numerals: 1, frame; 101, recessed groove; 102, flange; 103, moving platform;

[0026] 2. Linear drive assembly; 201. Ball screw; 202. Moving nut; 203. Coupling;

[0027] 3. Driving assembly; 301. Servo power component; 302. Connecting frame; 303. Fixing block;

[0028] 4. Slide assembly. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model. Therefore, the utility model is not limited to the specific embodiments disclosed below;

[0030] It should be noted that the terms "first", "second", "symmetrical", "array", etc. are only used to distinguish between description and position description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the definition of "first", "symmetrical", etc. can explicitly or implicitly include one or more of these features; similarly, when the quantity of certain features is not limited in the form of words such as "two" or "three", it should be noted that this feature also explicitly or implicitly includes one or more feature quantities;

[0031] In the present invention, unless otherwise clearly specified and limited, the terms such as "installation", "connection", "fixation" and the like should be understood in a broad sense; for example, it can be a fixed connection, a detachable connection, or an integral molding; it can be a mechanical connection, a direct connection, welding, or an indirect connection through an intermediate medium, or 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 based on the description and drawings combined with specific circumstances.

[0032] Based on standardized assembly concept and modular design, please refer to Figure 1-5 , the utility model provides a technical solution: a modular assembled servo linear module, including a frame 1 and a moving platform 103 slidably matched on the upper part of the frame 1, the number of the frames 1 is not less than two, and the two ends of each frame are connected to each other through a connecting part;

[0033] At the same time, it also includes a linear drive component 2, which outputs a linear degree of freedom to the moving platform 103, and the actual stroke of the linear degree of freedom is a multiple of the stroke of a single group of linear degrees of freedom, and the multiple is the same as that of the frame 1.

[0034] In some specific embodiments of this application, please refer to Figure 2 and 4 : The connecting portion is a recessed groove 101 and a flange 102 which are respectively opened at both ends of the frame 1 and can be engaged with each other; two or more frames 1 are connected to each other through the recessed groove 101 and the flange 102.

[0035] In this solution, the linear degree of freedom is the core degree of freedom based on the transmission of this device, which is used to connect and cooperate with the driving of the moving platform 103; therefore, since the actual stroke of the above linear degree of freedom is determined by the length of the frame 1 itself, when the actual stroke of the linear degree of freedom is a multiple of the stroke of a single set of linear degrees of freedom, that is, the stroke modular assembly adjustment is performed based on the actual application requirements in actual application, based on this point, the frame 1 itself also needs to be quantitatively adjusted in length;

[0036] The specific adjustment method is to form two or more frames 1 by butting them together through the concave groove 101 and the flange 102;

[0037] Specifically, threaded holes are provided on the outside of the concave grooves 101 and the flanges 102 of two or more racks 1 for inserting bolts during docking to achieve a stable fit.

[0038] In some specific embodiments of this application, please refer to Figure 4 : The device also includes a driving component 3, which is used to drive the linear driving component 2 to output linear degrees of freedom.

[0039] Based on the above specific manner, the linear drive assembly 2 preferably includes a ball screw 201, a moving nut 202 threadedly matched to the ball screw 201, and couplings 203 of the same number as the frame 1;

[0040] The ball screw 201 and the moving nut 202 are threadedly matched with each other, and a linear degree of freedom is formed when the ball screw 201 rotates, and the moving nut 202 and the moving platform 103 are detachably connected;

[0041] The length of the coupling 203 is shorter than that of the moving nut 202 , and the outer diameter of the coupling 203 is the same as the major diameter of the outer thread of the ball screw 201 .

[0042] In this solution, since this device is selected based on the design requirements of an external non-standard device, the moving nut 202 and the moving platform 103 should be detachably matched to facilitate the staff to perform corresponding operations;

[0043] In this solution, based on the above, the actual stroke of the linear degree of freedom is a multiple of the stroke of a single set of linear degrees of freedom, that is, the stroke is modularly assembled and adjusted based on actual application requirements in actual applications; so in this solution, the coupling 203 is used to double-end-butt the two sets of ball screws 201 to achieve the control of the stroke of the linear degree of freedom;

[0044] Specifically, after the coupling 203 is connected to two sets of ball screws 201 at both ends, the other two ends of the two ball screws 201 can also be connected to other ball screws 201 according to other couplings 203; the number of connections determines the linear freedom stroke of the device, and the specific use is based on the actual application requirements and modular assembly;

[0045] It should be pointed out that in this specific embodiment, since the length of the coupling 203 is shorter than that of the moving nut 202, and the outer diameter of the coupling 203 is the same as the major diameter of the outer thread of the ball screw 201; therefore, when the moving nut 202 moves on the ball screw 201, when it passes through the coupling 203, the moving nut 202 first contacts the coupling 203, and since the size specifications are consistent, no mechanical interference will occur. At the same time, although this end is first disengaged from the threaded fit, the other end of the moving nut 202 is still in contact with the front ball screw 201, so it will not be disengaged from the threaded fit and transmission; at the same time, since the length of the coupling 203 is shorter than that of the moving nut 202, when one end of the moving nut 202 travels over the length of the entire coupling 203 and contacts the next set of ball screws 201, it is synchronously engaged in the threaded fit; and the other end of the moving nut 202, as described above, will not be disengaged from the threaded fit, so the requirements of synchronous transmission can be met.

[0046] In some specific embodiments of this application, please refer to Figure 4 : The driving assembly 3 includes a servo power piece 301, a connecting frame 302 and a fixing block 303; the servo power piece 301 is fixedly connected to one end of the frame 1 through the connecting frame 302; the servo power piece 301 is used to drive the ball screw 201 to rotate;

[0047] In this solution, the servo power part 301 preferably uses a servo motor, and the output shaft of the servo motor controls the rotation of the ball screw 201 to achieve transmission; at the same time, the servo motor is fixedly connected to one end of the frame 1 through the connecting frame 302;

[0048] In this solution, based on the above, both ends of the ball screw 201 need corresponding support, so there are at least two fixing blocks 303, which are used to match the shaft heads at both ends of the ball screw 201 through bearings. The fixing blocks 303 themselves are installed on the frame 1.

[0049] It should be pointed out that, in this specific implementation, the frame 1 and the moving platform 103 are slidably matched with each other via the slide assembly 4 .

[0050] In this solution, the slide assembly 4 includes a slider and a slide rail that slide with each other, and is respectively connected to the moving platform 103 and the frame 1 through the slider and the slide rail, so as to achieve stable cooperation with the frame 1 for transmission.

[0051] The technical features of the above-described specific embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described specific embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0052] Example

[0053] S1. Determine the assembly requirements of external non-standard devices or other special parts;

[0054] S2. Based on S1, determine the specific length and transmission parameters of the device;

[0055] S3, modular docking assembly frame 1, linear drive assembly 2 and drive assembly 3;

[0056] S4, installing functional elements required by the external non-standard device on the mobile platform 103, or connecting the transmission components required by the external non-standard device;

[0057] S5. Complete the assembly.

[0058] The above-mentioned embodiments only express the implementation methods of the relevant practical applications of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A modular assembled servo linear module, comprising a frame (1) and a moving platform (103) slidably fitted on the upper part of the frame (1), characterized in that: The number of the racks (1) is no less than two, and both ends of the racks (1) are butt-jointed with each other via a connecting portion; It also includes a linear drive component (2), which outputs a linear degree of freedom to the moving platform (103), and the actual stroke of the linear degree of freedom is a multiple of the stroke of a single group of the linear degrees of freedom, and the multiple is the same as that of the frame (1).

2. A modular assembled servo linear module according to claim 1, characterized in that: The connecting portion is a recessed groove (101) and a flange (102) respectively provided at two ends of the frame (1) and capable of being engaged with each other; Two or more frames (1) are butted against each other via the recessed groove (101) and the flange (102).

3. A modular assembled servo linear module according to claim 1, characterized in that: It also comprises a driving component (3), wherein the driving component (3) is used to drive the linear driving component (2) to output the linear degree of freedom.

4. The modular assembled servo linear module according to claim 3, characterized in that: The linear drive assembly (2) comprises a ball screw (201), a moving nut (202) threadedly engaged with the ball screw (201), and couplings (203) of the same number as the frame (1); The ball screw (201) and the moving nut (202) form the linear degree of freedom, and the moving nut (202) is detachably connected to the moving platform (103); The length of the coupling (203) is shorter than that of the movable nut (202), and the outer diameter of the coupling (203) is the same as the major diameter of the external thread of the ball screw (201).

5. The modular assembled servo linear module according to claim 4, characterized in that: The driving assembly (3) comprises a servo power component (301), a connecting frame (302) and a fixing block (303); The servo power component (301) is fixedly connected to one end of the frame (1) via the connecting frame (302); The servo power component (301) is used to drive the ball screw (201) to rotate; The number of the fixing blocks (303) is at least two, and they are used to match the shaft heads at both ends of the ball screw (201) through bearings.

6. A modular assembled servo linear module according to any one of claims 1 to 5, characterized in that: The frame (1) and the moving platform (103) are slidably matched with each other via a sliding platform assembly (4).

7. The modular assembled servo linear module according to claim 6, characterized in that: The slide assembly (4) comprises a slide block and a slide rail which slide with each other.

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