Screw locking device

Abstract

The technical scheme belongs to the technical field of motor assembling equipment, and particularly relates to a screw locking device which comprises a main rack, a screw locking mechanism arranged on the main rack and used for screwing a motor cover, and a reducing mechanism arranged on the screw locking mechanism and used for reducing the diameter of the motor cover. The adjusting mechanism is used for adjusting the working position of the screw locking mechanism to adapt to motor shells and motor covers of different models; the screw locking mechanism comprises a screw lifting assembly, a screw locking assembly and a screw locking assembly, and the screw lifting assembly is arranged on the main rack and used for driving a screw to ascend and descend; and the screw screwing assembly is arranged on the screw lifting assembly and used for screwing a screw into a screw hole in the motor cover.

Description

TECHNICAL FIELD

[0001] The technical scheme relates to the technical field of motor assembling equipment, in particular to a screw locking device. BACKGROUND

[0002] The motor assembling equipment is special equipment for producing and assembling motors, covering the whole process from parts to finished motors, and generally comprises a rotor pressing device, a screw locking device and a fan blade pressing device. The existing screw locking device cannot adjust the screw position, so it cannot be applied to the splicing of motor shells and motor covers of different specifications, which leads to the limitation of the motor assembling equipment. SUMMARY

[0003] The technical scheme aims to provide a motor assembling equipment for a fan blade motor, which adjusts the screw position by a screw locking device to adapt to different types of motors, and solves the problems of low production efficiency and low adaptability of the original equipment.

[0004] The technical scheme is achieved as follows:

[0005] The screw locking device comprises a main frame, a screw locking mechanism arranged on the main frame and used for screwing screws onto a motor cover, and a variable diameter mechanism arranged on the screw locking mechanism and used for adjusting the working position of the screw locking mechanism to adapt to motor shells and motor covers of different types. The screw locking mechanism comprises a screw lifting assembly arranged on the main frame and used for lifting screws, and a screw screwing assembly arranged on the screw lifting assembly and used for screwing screws into screw holes on the motor cover.

[0006] Preferably, the screw lifting assembly comprises a lifting frame arranged on the main frame, a lifting driving member arranged on the lifting frame, a lifting sliding rail arranged on the lifting frame and provided with a lifting sliding block, and a lifting mounting plate arranged on the lifting sliding block. The lifting sliding block is connected to the output end of the lifting driving member, and the screw screwing assembly is arranged on the lifting sliding block.

[0007] Preferably, the screwing assembly comprises: a screwing mounting plate one arranged on the lifting mounting plate; a screwing driving member one arranged on the screwing mounting plate one and having a screwing mounting plate two arranged at the output end; a screwing driving member two arranged on the screwing mounting plate two and having a screwing rod arranged at the output end; and a screwing shaft sleeve arranged on the screwing mounting plate one; wherein the screwing mounting plate two is movably arranged on the lifting slide rail, the lower end of the screwing rod extends into the screwing shaft sleeve, the screwing shaft sleeve has a screw feeding opening, the screw can be placed into the screwing shaft sleeve through the screw feeding opening after the screwing rod is lifted by the screwing driving member one, and the screwing rod is rotated by the screwing driving member two to complete screwing after the screwing shaft sleeve is lowered to approach the screwing position by the lifting driving member.

[0008] Preferably, the diameter changing mechanism comprises: a diameter changing driving member arranged on the screwing mounting plate one; a diameter changing mounting plate arranged on the lifting mounting plate; a plurality of diameter changing mounting rods rotatably arranged on the diameter changing mounting plate and connected to the output end of the diameter changing driving member or the screwing mounting plate one; a diameter changing shaft sleeve sleeved on the diameter changing mounting rods; and a diameter changing linkage sleeved on the diameter changing shaft sleeve; wherein the screwing shaft sleeve is arranged on the diameter changing linkage, the diameter changing driving member drives the diameter changing linkage to move through the diameter changing shaft sleeve, and the working position of the screwing shaft sleeve is adjusted.

[0009] Preferably, a screwing linkage is arranged between the screwing rod and the screwing driving member two; the diameter changing mechanism further comprises: a diameter changing slide rail arranged on the diameter changing mounting plate; a diameter changing slide block arranged on the diameter changing slide rail; and a diameter changing clamping plate clamped on the diameter changing linkage and arranged on the diameter changing slide block; wherein the screwing shaft sleeve is arranged on the diameter changing clamping plate, and the diameter changing linkage drives the screwing shaft sleeve to move through the diameter changing clamping plate.

[0010] Preferably, the screw locking device further comprises a receiving disc rotatably arranged on the lifting frame, and the receiving disc is used to rotate to below the screwing shaft sleeve to receive the screws loosened.

[0011] The technical scheme has the advantages that:

[0012] The screw locking device designed by the technical scheme can be used for screwing the motor cover, and all the screwing positions can be synchronously adjusted through the diameter changing mechanism, so that different models of motor assemblies can be adapted, the single nature that the original equipment can only screw one model of motor is avoided, and the moving error is minimized to ensure the precision of motor assembly and improve the product yield. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the technical solution.

[0014] Figure 2 It is a structural schematic diagram of the screw locking mechanism.

[0015] Figure 3 It is a structural schematic diagram of the variable diameter mechanism.

[0016] Reference signs: 1, main frame; 11, index plate turntable; 12, feeding seat;

[0017] 31, screw locking mechanism; 311, screw lifting assembly; 3111, lifting frame; 3112, lifting driving part; 3113, lifting slide rail; 3114, lifting slide block; 3115, lifting mounting plate; 312, screw tightening assembly; 3121, tightening mounting plate one; 3122, tightening driving part one; 3123, tightening mounting plate two; 3124, tightening driving part two; 3125, screw tightening rod; 3126, screw tightening shaft sleeve; 3127, feeding port; 32, variable diameter mechanism; 321, variable diameter driving part; 322, variable diameter mounting plate; 323, variable diameter mounting rod; 324, variable diameter shaft sleeve; 325, variable diameter linkage; 326, tightening shaft coupling; 327, variable diameter slide rail; 328, variable diameter slide block; 329, variable diameter clamping plate; 33, material receiving disc. DETAILED DESCRIPTION

[0018] The specific embodiments of the technical solution will be further described in detail below in combination with the drawings.

[0019] As shown in Figure 1 and Figure 2 , a screw locking device includes a screw locking mechanism 31 and a variable diameter mechanism 32, the screw locking mechanism 31 is used to lock screws on the motor cover 101 and the motor shell 100, and the variable diameter mechanism 32 is used to adjust the working position of the screw locking mechanism 31 to adapt to different models of the motor shell 100 and the motor cover 101.

[0020] As shown in Figures 1-3As shown, the screw locking mechanism 31 comprises a screw lifting assembly 311 and a screw tightening assembly 312, the screw lifting assembly 311 is used to drive the screw lifting to make the screw close to the screw hole on the motor cover 101, and the screw tightening assembly 312 is used to tighten the screw, the screw lifting assembly 311 comprises a lifting frame 3111, a lifting driving part 3112, lifting slide rails 3113, lifting slide blocks 3114 and a lifting mounting plate 3115, the lifting frame 3111 is arranged on the main frame 1, the lifting driving part 3112 is arranged on the lifting frame 3111, the lifting slide rails 3113 are arranged on both sides of the lifting frame 3111, the lifting slide blocks 3114 are arranged on the lifting slide rails 3113, the lifting mounting plate 3115 is arranged on the lifting slide blocks 3114 and connected to the output end of the lifting driving part 3112, and the screw tightening assembly 312 is arranged on the lifting slide blocks 3114, so that the lifting driving part 3112 can drive the screw tightening assembly 312 to move up and down through the lifting slide blocks 3114.

[0021] As shown, Figures 1-3 The screw tightening assembly 312 comprises a tightening mounting plate one 3121, a tightening driving part one 3122, a tightening mounting plate two 3123, a tightening driving part two 3124, a screw tightening shaft sleeve 3126 and a screw tightening rod 3125, the tightening mounting plate one 3121 and the tightening driving part one 3122 are matched to drive the tightening mounting plate two 3123 and the tightening driving part two 3124 to move up and down, the tightening driving part two 3124 is used to drive the screw tightening rod 3125 to rotate and screw, and the screw tightening shaft sleeve 3126 is used to store the screw.

[0022] Specifically, the tightening mounting plate one 3121 is arranged on the lifting mounting plate 3115, the tightening driving part one 3122 is arranged on the tightening mounting plate one 3121, the tightening mounting plate two 3123 is arranged at the output end of the tightening driving part one 3122, the tightening driving part two 3124 is arranged on the tightening mounting plate two 3123, the screw tightening rod 3125 is arranged at the output end of the tightening driving part two 3124, and the screw tightening shaft sleeve 3126 is arranged on the tightening mounting plate one 3121.

[0023] Further, the tightening mounting plate two 3123 is movably arranged on the lifting slide rail 3113, and the arrangement manner is the same as that of the tightening mounting plate one 3121 arranged on the lifting slide rail 3113, the lower end of the screw tightening rod 3125 extends into the inside of the screw tightening shaft sleeve 3126, the screw tightening shaft sleeve 3126 has a screw feeding port 3127, after the tightening driving part one 3122 drives the screw tightening rod 3125 to rise, the screw can be placed into the screw tightening shaft sleeve 3126 from the screw feeding port 3127 and clamped in the screw tightening shaft sleeve 3126, after the lifting driving part 3112 drives the screw tightening shaft sleeve 3126 to descend to close to the place for screwing, the tightening driving part two 3124 drives the screw tightening rod 3125 to rotate to complete the screwing.

[0024] As Figure 3 shown, the diameter changing mechanism 32 includes a diameter changing driving member 321, a diameter changing mounting plate 322, a plurality of diameter changing mounting rods 323, a diameter changing shaft sleeve 324 and a diameter changing linkage 325, the diameter changing mechanism 32 is used to change the position of the screw rotating shaft sleeve 3126 synchronously, so that the screwing position is changed to adapt to different models of motor shell 100 and motor cover 101, the diameter changing driving member 321 is arranged on the rotating mounting plate, the diameter changing mounting plate 322 is arranged on the lifting mounting plate 3115, one end of the diameter changing mounting rod 323 is rotationally arranged on the diameter changing mounting plate 322, and the other end is connected to the output end of the diameter changing driving member 321 or the rotating mounting plate, the diameter changing shaft sleeve 324 is sleeved outside the diameter changing mounting rod 323, and the diameter changing linkage 325 is sleeved outside the diameter changing shaft sleeve 324; wherein the screw rotating shaft sleeve 3126 is arranged on the diameter changing linkage 325, the diameter changing driving member 321 drives the diameter changing linkage 325 to move through the diameter changing shaft sleeve 324, and then the working position of the screw rotating shaft sleeve 3126 is adjusted.

[0025] Further, in order to cooperate with the work of the diameter changing mechanism 32, the screw coupling 326 is arranged between the screw rotating rod 3125 and the rotating driving member two 3124, and in order to increase the stability of the diameter changing of the screw rotating shaft sleeve 3126, the diameter changing slide rail 327, the diameter changing slide block 328 and the diameter changing clamping plate 329 are further arranged, the diameter changing slide rail 327 is arranged on the diameter changing mounting plate 322, the diameter changing slide block 328 is arranged on the diameter changing slide rail 327, the diameter changing clamping plate 329 is clamped on the diameter changing linkage 325 and arranged on the diameter changing slide block 328, and the screw rotating shaft sleeve 3126 is arranged on the diameter changing clamping plate 329, and the diameter changing linkage 325 drives the screw rotating shaft sleeve 3126 to move through the diameter changing clamping plate 329.

[0026] Further, the screw locking device 3 further includes the material receiving disc 33 rotationally arranged on the lifting frame 3111, and the material receiving disc 33 is used to rotate to below the screw rotating shaft sleeve 3126 to receive the screws loosened.

[0027] The basic principles and main features of the technical solution and the advantages of the technical solution are shown and described above. It should be understood by those skilled in the art that the technical solution is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the technical solution, and various changes and improvements can be made to the technical solution without departing from the spirit and scope of the technical solution, and these changes and improvements all fall within the scope of the claimed technical solution. The scope of protection of the technical solution is defined by the appended claims and their equivalents.

Claims

1. A screw locking device, characterized by, The utility model relates to a screw locking device for motor cover, comprising: A main frame (1): A screw locking mechanism (31) arranged on the main frame (1) for screwing screws on the motor cover; and A variable diameter mechanism (32) arranged on the screw locking mechanism (31) for adjusting the working position of the screw locking mechanism (31) to adapt to different models of motor shells (100) and motor covers (101); Wherein, the screw locking mechanism (31) comprises: A screw lifting assembly (311) arranged on the main frame (1) for lifting screws; and A screw tightening assembly (312) arranged on the screw lifting assembly (311) for tightening screws on the screw holes of the motor cover (101).

2. A screw locking device according to claim 1, wherein The screw lifting assembly (311) comprises: A lifting frame (3111) arranged on the main frame (1); A lifting drive (3112) arranged on the lifting frame (3111); A lifting slide rail (3113) arranged on the lifting frame (3111), wherein the lifting slide rail (3113) is provided with a lifting slide block (3114); and A lifting mounting plate (3115) arranged on the lifting slide block (3114); Wherein, the lifting slide block (3114) is connected to the output end of the lifting drive (3112); and the screw tightening assembly (312) is arranged on the lifting slide block (3114).

3. A screw locking device according to claim 2, wherein The screw tightening assembly (312) comprises: A tightening mounting plate one (3121) arranged on the lifting mounting plate (3115); A tightening drive one (3122) arranged on the tightening mounting plate one (3121), wherein the output end of the tightening drive one (3122) is provided with a tightening mounting plate two (3123); A tightening drive two (3124) arranged on the tightening mounting plate two (3123), wherein the output end of the tightening drive two (3124) is provided with a screw tightening rod (3125); and A screw tightening shaft sleeve (3126) arranged on the tightening mounting plate one (3121); Wherein, the tightening mounting plate two (3123) is movably arranged on the lifting slide rail (3113), the lower end of the screw tightening rod (3125) extends into the screw tightening shaft sleeve (3126), and the screw tightening shaft sleeve (3126) is provided with a screw feeding port (3127); After the tightening drive one (3122) drives the screw tightening rod (3125) to ascend, the screw can be placed in the screw tightening shaft sleeve (3126) from the screw feeding port (3127) and clamped therein; After the lifting drive (3112) drives the screw tightening shaft sleeve (3126) to descend to approach the screwing position, the tightening drive two (3124) drives the screw tightening rod (3125) to rotate to complete the screwing.

4. A screw locking device according to claim 3, wherein The variable diameter mechanism (32) comprises: A variable diameter drive (321) arranged on the tightening mounting plate one (3121); A variable diameter mounting plate (322) arranged on the lifting mounting plate (3115); A plurality of variable-diameter installation rods (323) are rotationally arranged on the variable-diameter installation plate (322) at one end and connected to the output end of the variable-diameter driving member (321) or the screwing installation plate one (3121) at the other end; A variable-diameter shaft sleeve (324) is sleeved on the outside of the variable-diameter installation rod (323); and A variable-diameter linkage member (325) is sleeved on the outside of the variable-diameter shaft sleeve (324); The screwing shaft sleeve (3126) is arranged on the variable-diameter linkage member (325), the variable-diameter driving member (321) drives the variable-diameter linkage member (325) to move through the variable-diameter shaft sleeve (324), and the working position of the screwing shaft sleeve (3126) is adjusted.

5. A screw locking device according to claim 4, wherein: A screwing shaft sleeve (3126) is arranged on the variable-diameter linkage member (325), the variable-diameter driving member (321) drives the variable-diameter linkage member (325) to move through the variable-diameter shaft sleeve (324), and the working position of the screwing shaft sleeve (3126) is adjusted. The screwing rod (3125) and the screwing driving member two (3124) are provided with a screwing shaft coupling (326); the variable-diameter mechanism (32) further comprises: A variable-diameter sliding rail (327) is arranged on the variable-diameter installation plate (322); A variable-diameter sliding block (328) is arranged on the variable-diameter sliding rail (327); and A variable-diameter clamping plate (329) is clamped on the variable-diameter linkage member (325) and arranged on the variable-diameter sliding block (328); 6. A screw locking device according to claim 3, wherein: The screwing shaft sleeve (3126) is arranged on the variable-diameter clamping plate (329), and the variable-diameter linkage member (325) drives the screwing shaft sleeve (3126) to move through the variable-diameter clamping plate (329). A receiving disc (33) rotationally arranged on the elevator frame (3111) is further included, the receiving disc (33) is used to rotate to below the screwing shaft sleeve (3126) to receive the screws loosened.

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