Press fitting device

Abstract

The invention discloses a press-fitting device. The press-fitting device comprises a bottom plate, a top plate, stand columns and a movable plate. A rotating shaft of the motor is located on the side, facing the bottom plate, of the top plate. The stand columns are arranged between the bottom plate and the top plate. The moving plate is located between the top plates and is in sliding fit with the stand columns in the axial direction. The driving assembly is arranged between the moving plate and the bottom plate; due to the fact that the positioning disc is detachably arranged on the side, facing the top plate, of the movable plate of the press-fitting device, the positioning piece is arranged on the positioning disc, and the positioning piece is provided with the transmission piece coaxial with the rotating shaft, transmission pieces of different sizes or different shapes can be positioned by replacing the positioning discs with the positioning pieces of different sizes and different shapes, and the press-fitting efficiency is improved. Therefore, the press-fitting device improves the uniformity and application range of equipment, and reduces the production cost.

Description

Technical Field

[0001] The invention relates to the technical field of motor manufacturing, and in particular to a press-fitting device. Background Art

[0002] At present, when assembling servo motors for medium-sized robots, the motors are heavy overall and need to be placed horizontally on a plane for assembly. During the assembly process, press-fitting is required. Manual press-fitting is prone to errors. The alignment and assembly of the motor shaft and the transmission gear require a certain amount of time. The assembly personnel have a high workload and cannot guarantee the accuracy and efficiency of the motor assembly. Therefore, equipment is generally used to press the transmission gear onto the motor shaft. However, the current equipment can only clamp transmission gears of a certain size, resulting in low compatibility of the equipment. Summary of the invention

[0003] The object of the present invention is to provide a press-fitting device, aiming to solve the technical problem of low compatibility of installation equipment for the rotating shaft and transmission gear of the motor in the related art.

[0004] In order to solve the above problem, according to one aspect of the present application, an embodiment of the present invention provides a press-fitting device, the press-fitting device comprising:

[0005] Base plate;

[0006] A top plate, wherein a motor is detachably mounted on the top plate, and a rotating shaft of the motor is located on a side of the top plate facing the bottom plate;

[0007] A column, disposed between the bottom plate and the top plate;

[0008] A movable plate, located between the top plate and the bottom plate and slidably matched with the column along the axial direction;

[0009] A driving assembly, disposed between the moving plate and the bottom plate;

[0010] Wherein, a positioning plate is detachably provided on one side of the movable plate facing the top plate, a positioning member is provided on the positioning plate, and the positioning member is provided with a transmission member coaxial with the rotating shaft.

[0011] In some embodiments, there are at least two positioning plates, and the two positioning plates are respectively provided with insertion holes of different diameters, and positioning members of different diameters are respectively inserted into the insertion holes of different diameters to position transmission members of different diameters.

[0012] In some embodiments, a positioning groove is formed on a side of the movable plate facing the top plate, and the positioning plate is disposed in the positioning groove.

[0013] In some embodiments, a recessed hole is formed at the bottom of the positioning groove and extends through the side of the movable plate facing the top plate. The recessed hole is coaxial with the insertion hole, and an inner diameter of the recessed hole is larger than an inner diameter of the insertion hole.

[0014] In some embodiments, the press-fitting device further comprises two toggle clamps for fixing the motor on the base plate, and the base plate has an adjustment structure capable of adjusting the positions of the two toggle clamps thereon.

[0015] In some embodiments, the adjustment structure includes a first locking member and two groups of adjustment slot groups opened on the top plate, the two groups of adjustment slot groups each include at least two adjustment slots arranged along a first radial direction of the motor, the adjustment slots extend along a second radial direction of the motor, the angle between the first radial direction and the second radial direction is greater than 0° and less than 180°, and the elbow clamp is locked at any adjustment slot in the adjustment slot group through the first locking member; or; the adjustment structure includes a second locking member and two groups of adjustment hole groups opened on the top plate, the two groups of adjustment hole groups each include at least two rows of hole systems arranged along a third radial direction of the motor, the hole systems include multiple adjustment holes arranged along a fourth radial direction of the motor, the angle between the third radial direction and the fourth radial direction is greater than 0° and less than 180°, and the elbow clamp is locked at any adjustment hole in the adjustment hole group through the second locking member.

[0016] In some embodiments, the two toggle clamps are centrally symmetrical with the axis of the motor as the center;

[0017] The two groups of adjustment slots are centrally symmetrical with the axis of the motor as the center, or the two groups of adjustment holes are centrally symmetrical with the axis of the motor as the center.

[0018] In some embodiments, the elbow clamp includes a base, a first connecting rod, a second connecting rod, a handle and a pressing head. The base is adjustably set on the top plate through the adjustment structure, the pressing head is set on the second connecting rod, the handle and the second connecting rod are both hinged to the base, and the first connecting rod is hinged to the handle and the second connecting rod. When the handle is moved, the first connecting rod can drive the second connecting rod to drive the pressing head to press the motor onto the top plate.

[0019] In some embodiments, the press-fitting device also includes a bushing, a through hole is opened on the top plate, a portion of the bushing is inserted into the through hole, and the remaining portion is clamped on a side of the top plate away from the bottom plate, and one end of the motor is inserted into the bushing.

[0020] In some embodiments, the column includes two guide columns, which are respectively located at two diagonal positions close to the top plate, and linear bearings are provided on the guide columns, which are connected to the movable plate; and / or, the column includes two support columns, which are respectively located at the other two diagonal positions close to the top plate, and shoulders are provided on the support columns, and when the press-fitting device is in an initial state, the side of the movable plate facing the bottom plate is against the shoulders.

[0021] Compared with the prior art, the press-fitting device of the present invention has at least the following beneficial effects:

[0022] An embodiment of the present invention discloses a press-fitting device, which includes a bottom plate, a top plate, a column and a movable plate; the top plate is detachably provided with a motor, and the rotating shaft of the motor is located on the side of the top plate facing the bottom plate; the column is arranged between the bottom plate and the top plate; the movable plate is located between the top plate and the top plate and axially slides with the column; the driving assembly is arranged between the movable plate and the bottom plate; since the movable plate of the press-fitting device of the present invention is detachably provided with a positioning plate on the side facing the top plate, a positioning member is provided on the positioning plate, and a transmission member coaxial with the rotating shaft is provided on the positioning member, therefore, transmission members of different sizes or shapes can be positioned by replacing the positioning plate with positioning members of different sizes and shapes, therefore, the press-fitting device of the present invention improves the compatibility and application range of the equipment and reduces the production cost.

[0023] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying any creative work.

[0025] Figure 1 A schematic diagram of the three-dimensional structure of a press-fitting device provided in an embodiment of the present invention;

[0026] Figure 2 A schematic diagram of the three-dimensional structure of a press-fitting device provided in an embodiment of the present invention;

[0027] Figure 3 for Figure 2 Cross-sectional view at AA in the middle;

[0028] Figure 4 for Figure 2Cross-section at the middle BB;

[0029] Figure 5 A schematic diagram of the exploded structure of a moving plate, a positioning plate and a positioning member of a press-fitting device provided in an embodiment of the present invention;

[0030] Figure 6 A schematic diagram of the exploded structure of a top plate, a toggle clamp and a bushing of a press-fitting device provided in an embodiment of the present invention;

[0031] Figure 7 A schematic structural diagram of a toggle clamp of a press-fitting device provided in an embodiment of the present invention;

[0032] Figure 8 A schematic diagram of the exploded structure of a toggle clamp of a press-fitting device provided in an embodiment of the present invention;

[0033] Fig. 9 A schematic structural diagram of a bushing of a press-fitting device provided in an embodiment of the present invention;

[0034] Fig.10 A schematic diagram of the three-dimensional structure of another press-fitting device provided in an embodiment of the present invention.

[0035] Description of reference numerals:

[0036] 1. Bottom plate;

[0037] 2. Top plate; 21. Through hole; 22. Adjustment slot; 23. Adjustment hole;

[0038] 31. Guide column; 32. Support column; 321. Shaft shoulder;

[0039] 4. Moving plate; 41. Positioning plate; 411. Insertion hole; 42. Positioning piece; 43. Positioning groove; 431. Secluded hole;

[0040] 5. Drive components;

[0041] 6. elbow clamp; 61. base; 62. first connecting rod; 63. second connecting rod; 64. handle; 65. pressure head;

[0042] 7. Bushing;

[0043] 9. Linear bearings;

[0044] 10. Motor; 101. Rotating shaft; 102. Transmission part. DETAILED DESCRIPTION

[0045] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation methods, structures, features and effects of the present invention application are described in detail below in conjunction with the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "embodiment" does not necessarily refer to the same embodiment. In addition, specific features, structures, or characteristics in one or more embodiments may be combined in any suitable form.

[0046] In the description of the present invention, it should be clarified that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, but are not necessarily used to describe a specific order or sequence; the terms "vertical", "lateral", "longitudinal", "front", "rear", "left", "right", "up", "down", "horizontal", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention, and do not mean that the referred device or element must have a specific direction or position, and therefore cannot be understood as a limitation on the present invention.

[0047] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0048] Example 1

[0049] like Figure 1-10 As shown, an embodiment of the present invention provides a press-fitting device, the press-fitting device comprising:

[0050] Bottom plate 1;

[0051] A top plate 2, wherein the top plate 2 is detachably provided with a motor 10, and a rotating shaft 101 of the motor 10 is located on a side of the top plate 2 facing the bottom plate 1;

[0052] A column, arranged between the bottom plate 1 and the top plate 2;

[0053] The movable plate 4 is located between the top plates 2 and the top plates 2 and is axially slidably matched with the columns;

[0054] A driving assembly 5 is disposed between the moving plate 4 and the bottom plate 1;

[0055] A positioning plate 41 is detachably provided on one side of the movable plate 4 facing the top plate 2 , a positioning member 42 is provided on the positioning plate 41 , and a transmission member 102 coaxial with the rotating shaft 101 is provided on the positioning member 42 .

[0056] In this embodiment, the pressing device includes a bottom plate 1, a top plate 2, a column and a movable plate 4; the top plate 2 is detachably equipped with a motor 10, and the rotating shaft 101 of the motor 10 is located on the side of the top plate 2 facing the bottom plate 1; the column is arranged between the bottom plate 1 and the top plate 2; the movable plate 4 is located between the top plate 2 and the top plate 2 and is axially slidably matched with multiple columns; the driving component 5 is arranged between the movable plate 4 and the bottom plate 1; the driving component 5 can be a telescopic driving device such as a jack, a cylinder, an electric cylinder hydraulic press, etc., because the movable plate 4 of the pressing device of this embodiment is detachably provided with a positioning plate 41 on the side facing the top plate 2, and a positioning member 42 is provided on the positioning plate 41, and the positioning member 42 is provided with a transmission member 102 coaxial with the rotating shaft 101, therefore, the transmission members 102 of different sizes or shapes can be positioned by replacing the positioning plate 41 with positioning members 42 of different sizes and shapes, therefore, the pressing device of this embodiment improves the compatibility and application range of the equipment and reduces the production cost.

[0057] The positioning member 42 is provided with a transmission member 102 coaxial with the rotating shaft 101, so as to ensure that the transmission member 102 is safely and stably pressed into the rotating shaft 101 of the motor 10, thereby improving the safety of the work and effectively ensuring the matching accuracy of the motor press-fitting.

[0058] In some embodiments, there are at least two positioning plates 41, and the two positioning plates 41 are respectively provided with insertion holes 411 of different diameters. Positioning members 42 of different diameters are respectively inserted into the insertion holes 411 of different diameters to position transmission members 102 of different diameters. Transmission members 102 of different sizes or shapes can be positioned by replacing the positioning plates 41 with positioning members 42 of different sizes and shapes. Therefore, the pressing device of this embodiment improves the compatibility and application range of the equipment and reduces the production cost.

[0059] In some embodiments, a positioning groove 43 is provided on the side of the movable plate 4 facing the top plate 2, and the positioning plate 41 is arranged in the positioning groove 43. In this embodiment, by providing a positioning groove 43 on the side of the movable plate 4 facing the top plate 2, it is convenient to position the positioning plate 41, thereby reducing the equipment debugging and assembly time, improving the positioning accuracy, and ensuring the quality of the press-fitting.

[0060] In some embodiments, a relief hole 431 is provided at the bottom of the positioning groove 43 and extends through the side of the movable plate 4 facing the top plate 2. The relief hole 431 is coaxial with the insertion hole 411, and the inner diameter of the relief hole 431 is larger than the inner diameter of the insertion hole 411, so as to prevent the positioning member 42 from interfering with the bottom of the positioning groove 43.

[0061] In some embodiments, the press-fitting device further includes two toggle clamps 6 for fixing the motor 10 on the base plate 1 , and the base plate 1 has an adjustment structure that enables the positions of the two toggle clamps 6 thereon to be adjustable.

[0062] In this embodiment, the motor 10 is fixed to the base plate 1 by two toggle clamps 6, so that the motor 10 can be fixed to the base plate 1, thereby improving the installation efficiency of the motor 10. By providing an adjustment structure on the base plate 1 that allows the positions of the two toggle clamps 6 to be adjustable, it is convenient to fix motors 10 of different sizes, thereby improving the compatibility and application range of the equipment and reducing the production cost.

[0063] In some embodiments, the adjustment structure includes a first locking member and two groups of adjustment slots formed on the top plate 2, the two groups of adjustment slots each including at least two adjustment slots 22 arranged along a first radial direction of the motor 10, the adjustment slots 22 extending along a second radial direction of the motor 10, an angle between the first radial direction and the second radial direction being greater than 0° and less than 180°, an angle between the first radial direction and the second radial direction being preferably 90°, and the elbow clamp 6 being locked to any adjustment slot 22 in the adjustment slot group through the first locking member.

[0064] This embodiment achieves adjustable positions of the two toggle clamps 6 through the first locking member and two groups of adjustment slots provided on the top plate 2, which facilitates fixing motors 10 of different sizes, improves the compatibility and application range of the equipment, and reduces production costs.

[0065] In some embodiments, the two toggle clamps 6 are centrally symmetrical with the axis of the motor 10 as the center; the two groups of adjustment slot groups are centrally symmetrical with the axis of the motor 10 as the center, and the motor 10 is fixed diagonally by the two toggle clamps 6 to ensure the reliability of the fixation.

[0066] In some embodiments, the adjustment structure includes a second locking member and two groups of adjustment holes opened on the top plate 2, the two groups of adjustment holes each include at least two rows of holes arranged along the third radial direction of the motor 10, the hole system includes a plurality of adjustment holes 23 arranged along the fourth radial direction of the motor 10, the angle between the third radial direction and the fourth radial direction is greater than 0° and less than 180°, the angle between the third radial direction and the fourth radial direction is preferably 90°, and the elbow clamp 6 is locked to any one of the adjustment holes 23 in the adjustment hole group through the second locking member.

[0067] This embodiment achieves adjustable positions of the two toggle clamps 6 through the second locking member and two groups of adjustment holes provided on the top plate 2, which facilitates fixing motors 10 of different sizes, improves the compatibility and application range of the equipment, and reduces production costs.

[0068] In some embodiments, the two toggle clamps 6 are centrally symmetrical with the axis of the motor 10 as the center; the two groups of adjustment holes are centrally symmetrical with the axis of the motor 10 as the center. The motor 10 is fixed diagonally by the two toggle clamps 6 to ensure the reliability of the fixation.

[0069] In some embodiments, the elbow clamp 6 includes a base 61, a first connecting rod 62, a second connecting rod 63, a handle 64 and a pressing head 65. The base 61 is adjustably set on the top plate 2 through the adjustment structure, the pressing head 65 is set on the second connecting rod 63, the handle 64 and the second connecting rod 63 are both hinged to the base 61, the first connecting rod 62 is hinged to the handle 64 and the second connecting rod 63, and when the handle 64 is moved, the first connecting rod 62 can drive the second connecting rod 63 to drive the pressing head 65, so as to press the motor 10 onto the top plate 2.

[0070] like Figure 7 and 8 As shown, the elbow clamp 6 of this embodiment cooperates with the base 61, the first connecting rod 62, the second connecting rod 63, the handle 64 and the pressing head 65. When the handle 64 is turned, the first connecting rod 62 can drive the second connecting rod 63 to drive the pressing head 65, so that the motor 10 can be pressed on the top plate 2, which is convenient for fixing and disassembling the motor 10.

[0071] In some embodiments, the pressing device also includes a bushing 7, a through hole 21 is opened on the top plate 2, a portion of the bushing 7 is inserted into the through hole 21, and the remaining portion is clamped on the side of the top plate 2 away from the bottom plate 1, and one end of the motor 10 is inserted into the bushing 7. This embodiment can quickly position different motors 10 by replacing different bushings 7, thereby improving the positioning efficiency of the motor 10.

[0072] In some embodiments, the column includes two guide columns 31, and the two guide columns 31 are respectively located near the two diagonals of the top plate 2. The guide columns 31 are sleeved with linear bearings 9, and the linear bearings 9 are connected to the movable plate 4. In this embodiment, the linear bearings 9 are used in conjunction with the guide columns 31 to achieve the up and down linear motion of the movable plate 4. Since the load-bearing ball of the linear bearing 9 is in point contact with the shaft, the load is small, and the steel ball rotates with very small friction resistance, thereby obtaining a high-sensitivity, high-precision and stable linear motion, which plays a supporting and guiding role. The linear bearing 9 also makes the entire assembly process coherent with its high precision, high load-bearing capacity and good stability, reduces the labor intensity of the workers, ensures safety and improves the efficiency of press-fit assembly.

[0073] In some embodiments, the column includes two support columns 32, and the two support columns 32 are respectively located at the other two diagonals close to the top plate 2. The support columns 32 have shoulders 321. When the pressing device is in the initial state, the movable plate 4 is against the shoulder 321 on the side facing the bottom plate 1.

[0074] The initial state of the press fitting device is when the press fitting device starts working.

[0075] The bottom plate 1, top plate 2 and moving plate 4 are arranged in parallel, and the axes of the two guide pillars 31 and the axes of the two support pillars 32 are arranged perpendicular to the bottom plate 1, top plate 2 and moving plate 4. The transmission member 102 on the positioning member 42 is coaxial with the rotating shaft 101, ensuring that the transmission member 102 is safely and stably pressed into the rotating shaft 101 of the motor 10, improving the safety of the work and effectively ensuring the matching accuracy of the motor press-fitting.

[0076] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the above-described equipment, devices and units can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0077] 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 the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present invention, and these modifications or replacements should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. A press-fitting device, characterized in that: The press-fitting device comprises: Base plate; A top plate, wherein a motor is detachably mounted on the top plate, and a rotating shaft of the motor is located on a side of the top plate facing the bottom plate; A column, disposed between the bottom plate and the top plate; A movable plate, located between the top plate and the bottom plate and slidably matched with the column along the axial direction; A driving assembly, disposed between the moving plate and the bottom plate; Wherein, a positioning plate is arranged on one side of the movable plate facing the top plate, a positioning member is arranged on the positioning plate, and the positioning member is arranged with a transmission member coaxial with the rotating shaft.

2. The press-fitting device according to claim 1, characterized in that: There are at least two positioning plates, and the two positioning plates are respectively provided with insertion holes of different diameters, and positioning members of different diameters are respectively inserted into the insertion holes of different diameters to position transmission members of different diameters.

3. The press-fitting device according to claim 2, characterized in that: A positioning groove is formed on one side of the movable plate facing the top plate, and the positioning plate is arranged in the positioning groove.

4. The press-fitting device according to claim 3, characterized in that: A recessed hole is formed at the bottom of the positioning groove and penetrates to the side of the movable plate facing the top plate. The recessed hole is coaxial with the insertion hole, and the inner diameter of the recessed hole is larger than the inner diameter of the insertion hole.

5. The press-fitting device according to claim 1, characterized in that: The press-fitting device further comprises two toggle clamps for fixing the motor on the base plate, and the base plate is provided with an adjustment structure capable of adjusting the positions of the two toggle clamps thereon.

6. The press-fitting device according to claim 5, characterized in that: The adjustment structure includes a first locking member and two groups of adjustment slot groups opened on the top plate, the two groups of adjustment slot groups each include at least two adjustment slots arranged along a first radial direction of the motor, the adjustment slots extend along a second radial direction of the motor, the angle between the first radial direction and the second radial direction is greater than 0° and less than 180°, and the elbow clamp is locked at any adjustment slot in the adjustment slot group through the first locking member; or; the adjustment structure includes a second locking member and two groups of adjustment hole groups opened on the top plate, the two groups of adjustment hole groups each include at least two rows of hole systems arranged along a third radial direction of the motor, the hole systems include a plurality of adjustment holes arranged along a fourth radial direction of the motor, the angle between the third radial direction and the fourth radial direction is greater than 0° and less than 180°, and the elbow clamp is locked at any adjustment hole in the adjustment hole group through the second locking member.

7. The press-fitting device according to claim 6, characterized in that: The two toggle clamps are centrally symmetrical with the axis of the motor as the center; The two groups of adjustment slots are centrally symmetrical with the axis of the motor as the center, or the two groups of adjustment holes are centrally symmetrical with the axis of the motor as the center.

8. The press-fitting device according to claim 5, characterized in that: The elbow clamp includes a base, a first connecting rod, a second connecting rod, a handle and a pressing head. The base is adjustably arranged on the top plate through the adjustment structure. The pressing head is arranged on the second connecting rod. The handle and the second connecting rod are both hinged to the base. The first connecting rod is hinged to the handle and the second connecting rod. When the handle is moved, the first connecting rod can drive the second connecting rod to drive the pressing head, so as to press the motor onto the top plate.

9. The press-fitting device according to claim 1, characterized in that: The press-fitting device also includes a bushing, a through hole is opened on the top plate, a part of the bushing is inserted into the through hole, and the remaining part is clamped on a side of the top plate away from the bottom plate, and one end of the motor is inserted into the bushing.

10. The press-fitting device according to claim 1, characterized in that: The column includes two guide columns, which are respectively located at two diagonal positions close to the top plate, and linear bearings are sleeved on the guide columns, which are connected to the movable plate; and / or, the column also includes two support columns, which are respectively located at the other two diagonal positions close to the top plate, and shoulders are provided on the support columns, and when the press-fitting device is in an initial state, the movable plate is against the shoulder on the side facing the bottom plate.

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