Novel linear motor module driver

Abstract

The utility model discloses a novel linear motor module driver. The novel linear motor module driver comprises a main body bracket and a driving motor arranged at the lower end part of the main body bracket, a vertically-penetrating support through hole is formed in the core portion of the body support, a power output shaft of the driving motor is provided with a driving rotating shaft stretching into the support through hole, and the driving rotating shaft is provided with a rotating shaft protruding column protruding outwards in the radial direction. A movable block capable of moving up and down is embedded in a bracket through hole of the main body bracket; the upper end part of the movable block protrudes out of the upper end surface of the main body bracket; a first spiral spring is arranged between the movable block and the driving rotating shaft in the support through hole, the upper end of the first spiral spring is connected with the movable block in a fastening mode, the lower end of the first spiral spring abuts against the driving rotating shaft, and a rotating shaft protruding column of the driving rotating shaft extends into a screw pitch gap of the first spiral spring. By means of the structural design, the structure has the advantages of being novel in design, good in structural compactness and low in manufacturing cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to linear motor module technical field especially relates to a new linear motor module driver. BACKGROUND

[0002] Linear motor module is a kind of mechanical module structure that the rotation action of motor is converted into linear action;Among them, the existing linear motor module generally adopts the combination structure form of motor cooperation screw rod transmission pair, motor drives slider linear movement through screw rod transmission pair, for example, the Chinese utility model patent with patent No.: ZL202420940382.5, patent name: a screw rod transmission linear module, the screw rod transmission linear module includes adjusting seat, adjusting seat outer wall is fixedly installed with motor, the output end of motor penetrates adjusting seat and is fixedly installed with threaded rod in adjusting seat interior, and the outer wall of threaded rod is threadedly connected with slider, and threaded rod and slider jointly form screw rod transmission pair.

[0003] It should be pointed out that for the above linear motor module, the following defects exist, in particular:

[0004] Defect 1, the screw rod transmission linear module is converted into linear action by screw rod transmission pair to the rotation action of motor, and the machining precision and assembly precision requirement of screw rod transmission pair is higher, which will obviously increase the cost of screw rod transmission linear module;

[0005] Defect 2, the space occupied by overall structure is relatively large, and the compactness of structure is poor. UTILITY MODEL CONTENTS

[0006] The utility model aims at the deficiency of prior art and provides a new linear motor module driver, which is novel in design, compact in structure and low in preparation cost.

[0007] To achieve the above object, the utility model realizes by the following technical scheme.

[0008] A new linear motor module driver, comprising a main body support, a driving motor installed at the lower end of the main body support;

[0009] The core of the main body support is provided with a vertical through hole, and the power output shaft of the driving motor is provided with a driving shaft extending into the through hole, and the driving shaft is provided with a shaft protrusion protruding radially outward;

[0010] The through hole of the main body support is embedded with a movable block movable up and down, and the upper end of the movable block protrudes from the upper end surface of the main body support;

[0011] A first coil spring is arranged between the movable block and the driving shaft in the bracket through hole, the upper end of the first coil spring is fixedly connected with the movable block, the lower end of the first coil spring is in abutment with the driving shaft, and the shaft protruding column of the driving shaft extends into the pitch gap of the first coil spring.

[0012] The side wall of the bracket through hole is provided with a guide hole which is radially outwardly opened and vertically extended, and the movable block is provided with a guide column which is arranged in the guide hole of the main bracket.

[0013] The upper end of the movable block is peripherally sleeved with a second coil spring, and the lower end of the second coil spring is in abutment with the guide column.

[0014] The inner wall of the bracket through hole is provided with a bracket shoulder at the upper end, and the upper end of the second coil spring is in abutment with the bracket shoulder.

[0015] The movable block is provided with a fastening buckle corresponding to the first coil spring, and the upper end of the first coil spring is fixedly connected with the fastening buckle.

[0016] The lower end of the driving shaft is provided with a shaft shoulder below the shaft protruding column, the first coil spring is sleeved on the periphery of the upper end of the driving shaft, and the lower end of the first coil spring is in abutment with the shaft shoulder.

[0017] The driving shaft is provided with a shaft pin hole corresponding to the shaft protruding column, and the inner end of the shaft protruding column is fixedly embedded in the shaft pin hole of the driving shaft.

[0018] The upper end of the power output shaft of the driving motor is provided with a flat part, the lower end of the driving shaft is provided with a flat hole which is downwardly opened and flat-shaped, and the flat part of the power output shaft of the driving motor is embedded in the flat hole of the driving shaft.

[0019] Compared with the prior art, the novel linear motor module driver has the advantages of novel design, compact structure and low preparation cost. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model will be further described below by using the drawings, but the embodiments in the drawings do not constitute any limitation to the utility model.

[0021] Figure 1 It is the structural schematic diagram of the utility model.

[0022] Figure 2 The exploded view of the present application.

[0023] Figure 3 The exploded view of another perspective of the present application.

[0024] Figure 4 The cross-sectional view of the present application.

[0025] In Figures 1 to 4 comprising:

[0026] 1 - main support; 11 - support through hole; 12 - guide hole; 13 - support shoulder; 2 - drive motor; 3 - drive shaft; 31 - shaft protrusion; 32 - shaft shoulder; 4 - movable block; 41 - guide column; 42 - fastening buckle; 5 - first spiral spring; 6 - second spiral spring; 71 - flat part; 72 - flat hole. DETAILED DESCRIPTION

[0027] The present application will be described below in conjunction with specific embodiments.

[0028] Embodiment one, as shown in the figure, a new linear motor module driver, comprising a main support 1, installed on the lower end of the main support 1 drive motor 2. Figures 1 to 4

[0029] Among them, as shown in the figure and Figure 3 and Figure 4 The core of the main support 1 is provided with a vertical through hole 11, the power output shaft of the drive motor 2 is provided with a drive shaft 3 extending into the support through hole 11, and the drive shaft 3 is provided with a shaft protrusion 31 protruding radially outward.

[0030] Further, as shown in the figure, Figures 1 to 4 The movable block 4 is embedded in the support through hole 11 of the main support 1, the upper end of the movable block 4 protrudes from the upper end surface of the main support 1; the movable block 4 of the present application is used as the driving end structure of the driver.

[0031] Further, as shown in the figure, Figures 2 to 4 The first spiral spring 5 is installed between the movable block 4 and the drive shaft 3 in the support through hole 11, the upper end of the first spiral spring 5 is fastened to the movable block 4, the lower end of the first spiral spring 5 abuts against the drive shaft 3, and the shaft protrusion 31 of the drive shaft 3 extends into the pitch gap of the first spiral spring 5.

[0032] ​In the process of realizing linear action of the new linear motor module driver in this embodiment, the drive motor 2 starts and drives the drive shaft 3 to rotate through its power output shaft. The shaft protrusion 31 rotates synchronously with the drive shaft 3. Since the shaft protrusion 31 extends into the pitch gap of the first helical spring 5, the shaft protrusion 31 drives the first helical spring 5 to perform extension and retraction. Since the upper end of the first helical spring 5 is fastened to the movable block 4, when the first helical spring 5 performs extension and retraction, the first helical spring 5 drives the movable block 4 to move up and down within the bracket through hole 11 of the main body bracket 1 to realize the lifting linear action.

[0033] It should be noted that in this embodiment, the moving part is driven to move up and down by a drive structure consisting of a drive shaft 3, a shaft protrusion 31 and a first helical spring 5. Compared with the screw drive pair structure in the prior art, the drive structure in this embodiment is simpler, lower in cost and more compact.

[0034] In summary, the novel linear motor module driver of this embodiment has the advantages of novel design, compact structure and low manufacturing cost through the above structural design.

[0035] Example 2, as Figures 1 to 4 As shown, the difference between this embodiment 2 and embodiment 1 is that: the side wall of the through hole 11 of the bracket is provided with a guide hole 12 that opens radially outward and extends vertically, and the movable block 4 is equipped with a guide post 41 corresponding to the guide hole 12. The guide post 41 of the movable block 4 is inserted into the guide hole 12 of the main bracket 1.

[0036] Through the guide pair structure composed of guide post 41 and guide hole 12, this embodiment 2 can ensure that the movable block 4 can move up and down accurately relative to the main support 1.

[0037] Example 3, as Figures 1 to 4 As shown, the difference between this embodiment 3 and embodiment 2 is that: the upper end of the movable block 4 is fitted with a second helical spring 6, and the lower end of the second helical spring 6 abuts against the guide post 41.

[0038] The upper end of the inner wall of the bracket through hole 11 is provided with a bracket shoulder 13, and the upper end of the second helical spring 6 abuts against the bracket shoulder 13.

[0039] It should be noted that, for the second helical spring 6 in this embodiment 3, it elastically abuts against the movable block 4 downwards. The movable block 4 is limited and fixed by the cooperation of the first helical spring 5 and the second helical spring 6 and their compression of the movable block 4 from top to bottom.

[0040] Example 4, as Figure 3 and Figure 4As shown in the embodiment four, the difference between the embodiment four and the embodiment one is that the movable block 4 is provided with a fastening buckle 42 corresponding to the first coil spring 5, and the upper end of the first coil spring 5 is fastened to the fastening buckle 42.

[0041] As shown in the embodiment five, Figure 2 and Figure 4 the difference between the embodiment five and the embodiment one is that the lower end of the driving shaft 3 is provided with a shaft shoulder 32 below the shaft protrusion 31, the first coil spring 5 is sleeved on the outer periphery of the upper end of the driving shaft 3, and the lower end of the first coil spring 5 abuts against the shaft shoulder 32.

[0042] The embodiment six, the difference between the embodiment six and the embodiment one is that the driving shaft 3 is provided with a shaft pin hole corresponding to the shaft protrusion 31, and the inner end of the shaft protrusion 31 is embedded and fixed in the shaft pin hole of the driving shaft 3.

[0043] As shown in the embodiment seven, Figures 2 to 4 the difference between the embodiment seven and the embodiment one is that the upper end of the power output shaft of the driving motor 2 is provided with a flat portion 71, the lower end of the driving shaft 3 is provided with a flat hole 72 which is downwardly opened and flat-shaped, and the flat portion 71 of the power output shaft of the driving motor 2 is embedded in the flat hole 72 of the driving shaft 3.

[0044] In the process of installing the driving shaft 3, the driving shaft 3 is sleeved on the flat portion 71 of the power output shaft of the driving motor 2 through the flat hole 72, so as to realize the quick rotation-stopping connection between the driving shaft 3 and the power output shaft of the driving motor 2.

[0045] The above is only the preferred embodiment of the present application, and for the ordinary skilled in the art, according to the idea of the present application, the specific implementation and application range can be changed, and the content of the specification should not be understood as the limitation of the present application.

Claims

1. A novel linear motor module driver, comprising a main support (1), a driving motor (2) arranged at the lower end of the main support (1); characterized in that The core of the main support (1) is provided with a vertically penetrating support through hole (11), the power output shaft of the driving motor (2) is provided with a driving shaft (3) extending into the support through hole (11), and the driving shaft (3) is provided with a shaft protruding column (31) protruding radially outward; The support through hole (11) of the main support (1) is embedded with a movable block (4) which moves up and down, and the upper end of the movable block (4) protrudes from the upper end surface of the main support (1); The first spiral spring (5) is arranged between the movable block (4) and the driving shaft (3) in the support through hole (11), the upper end of the first spiral spring (5) is tightly connected with the movable block (4), the lower end of the first spiral spring (5) abuts against the driving shaft (3), and the shaft protruding column (31) of the driving shaft (3) extends into the pitch gap of the first spiral spring (5).

2. A novel linear motor module drive according to claim 1, characterized in that: The sidewall of the support through hole (11) is provided with a vertically extending guide hole (12) which opens radially outward, and the movable block (4) is provided with a guide column (41) corresponding to the guide hole (12), and the guide column (41) of the movable block (4) is inserted into the guide hole (12) of the main support (1).

3. A novel linear motor module drive according to claim 2, characterized in that: The upper end of the movable block (4) is surrounded by a second spiral spring (6), and the lower end of the second spiral spring (6) abuts against the guide column (41); The inner wall of the support through hole (11) is provided with a support shoulder (13) at the upper end, and the upper end of the second spiral spring (6) abuts against the support shoulder (13).

4. The linear motor module drive of claim 1, wherein: The movable block (4) is provided with a fastening buckle (42) corresponding to the first spiral spring (5), and the upper end of the first spiral spring (5) is tightly connected with the fastening buckle (42).

5. The novel linear motor module drive of claim 1, wherein: The lower end of the driving shaft (3) is provided with a shaft shoulder (32) below the shaft protruding column (31), the first spiral spring (5) is arranged around the upper end of the driving shaft (3), and the lower end of the first spiral spring (5) abuts against the shaft shoulder (32).

6. The novel linear motor module drive of claim 1, wherein: The driving shaft (3) is provided with a shaft pin hole corresponding to the shaft protruding column (31), and the inner end of the shaft protruding column (31) is embedded and fixed in the shaft pin hole of the driving shaft (3).

7. The linear motor module drive of claim 1, wherein: The upper end of the power output shaft of the driving motor (2) is provided with a flat part (71), the lower end of the driving shaft (3) is provided with a flat hole (72) which opens downward and has a flat shape, and the flat part (71) of the power output shaft of the driving motor (2) is embedded in the flat hole (72) of the driving shaft (3).

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