Linear motor with protection function

Abstract

The utility model relates to the technical field of linear motors, and discloses a linear motor with a protection function, which comprises a base and an end plate, a protection mechanism is arranged on one side outside the end plate, the protection mechanism comprises a U-shaped seat, a sliding plate is slidably connected inside the U-shaped seat, a connecting block is fixedly connected outside the sliding plate, and the connecting block is fixedly connected with the end plate. A connecting rod is rotationally connected into the connecting block, an extrusion block is rotationally connected to the bottom of the other end of the connecting rod, and a buffering assembly is fixedly connected into the U-shaped base. According to the utility model, when the sliding plate is impacted, the sliding plate slides in the U-shaped seat, the connecting rod is driven by the connecting block, then the extrusion block is driven to slide along the round rod to extrude the rubber round sleeve, the rubber round sleeve can absorb and buffer external impact force, the damage of the end plate caused by the impact of the sliding seat is reduced, and the stability and the service life of the linear motor are improved; the protection capability of the linear motor is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to linear motor technical field especially relates to a linear motor with protection function. BACKGROUND

[0002] Under the big environment of today's science and technology rapid development, the industrial automation process is accelerating, and the demand for efficient and accurate driving system is increasing. Linear motor as a device that can directly convert electrical energy into linear motion mechanical energy, with the advantages of high precision, high speed, high acceleration and no mechanical contact, becomes the key force to promote the technological innovation and upgrading of various industries.

[0003] The working principle of linear motor is similar to that of traditional motor, based on electromagnetic induction principle. Linear motor generates force through current in fixed electromagnetic field, and then pushes the mover to move along the linear direction. Linear motor can be imagined as an unfolded rotary motor, the stator and rotor of the motor are straightened, and linear motion is used instead of rotary motion.

[0004] In the prior art, when the linear motor is running, the slide as the linear motion execution component will inevitably collide with the end plate at both ends of the stroke. Frequent collision will gradually have adverse effects on the structural stability of the linear motor, reduce the service life of the parts, and also cause the loosening of the structure of the entire linear motor, thereby affecting the running accuracy and reliability of the linear motor. Therefore, a linear motor with protection function is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a linear motor with protection function, which aims at improving the problem that the protection performance of part of linear motor in the prior art is low and easy to cause the loosening of the structure of the entire linear motor.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A linear motor with protection function, comprising a base and an end plate, the outer side of the end plate is provided with a protection mechanism, and the other outer side of the end plate is provided with a clamping installation mechanism;

[0008] The protection mechanism comprises a U-shaped seat, the outer side of the U-shaped seat is fixedly connected to the outer side of the end plate, the inner side of the U-shaped seat is slidably connected with a sliding plate, the outer side of the sliding plate is fixedly connected with a connecting block, the inner side of the connecting block is rotatably connected with a connecting rod, the other end of the connecting rod is rotatably connected with a pressing block, and the inner side of the U-shaped seat is fixedly connected with a buffer assembly;

[0009] As a further description of the above technical scheme:

[0010] The clamping mounting mechanism comprises a fixed seat, the outer part of the fixed seat is fixedly connected to the outer part of the end plate, a connecting plate is fixedly connected to the outer part of the base, the outer part of the connecting plate is slidably connected to the inner part of the end plate, the outer part of the connecting plate is slidably connected to the inner part of the fixed seat, and a limiting assembly is slidably connected to the inner part of the fixed seat;

[0011] As a further description of the above technical solution:

[0012] The buffer assembly comprises a round rod, the outer part of the round rod is fixedly connected to the inner part of the U-shaped seat, the outer part of the round rod is sleeved with a rubber sleeve, and the inner part of the extrusion block is slidably connected to the outer part of the round rod;

[0013] As a further description of the above technical solution:

[0014] The limiting assembly comprises a sliding plate, the outer part of the sliding plate is slidably connected to the inner part of the fixed seat, the bottom of the sliding plate is fixedly connected with a limiting rod, and the outer bottom end of the limiting rod is slidably connected to the inner part of the connecting plate;

[0015] As a further description of the above technical solution:

[0016] The inner part of the base is fixedly connected with a stator, and the top of the base is fixedly connected with a sliding rail;

[0017] As a further description of the above technical solution:

[0018] The outer part of the sliding rail is slidably connected with a sliding block, and the outer part of the sliding block is fixedly connected with a rotor;

[0019] As a further description of the above technical solution:

[0020] The top of the sliding block is fixedly connected with a sliding seat, and the top of the rotor is fixedly connected to the bottom of the sliding seat;

[0021] As a further description of the above technical solution:

[0022] One end of the outer part of the rubber sleeve is fixedly connected to the inner wall of the U-shaped seat, and the other end of the rubber sleeve is fixedly connected to the outer part of the extrusion block.

[0023] The utility model has the advantages of:

[0024] 1、The utility model discloses a sliding plate can slide in the U-shaped seat when being impacted, drives a connecting block, further drives an extrusion block to slide along a round rod and extrudes a rubber sleeve, utilizes the elastic deformation of the rubber sleeve, effectively absorbs and buffers external impact force, reduces the damage of the end plate due to the impact of the sliding seat, improves the stability and service life of the linear motor, and enhances the protection capability of the linear motor.

[0025] 2、 The utility model discloses, install base and end plate, connect board is inserted into end plate and fixed seat, and sliding slide plate makes the limiting rod insert connection board, and when disassembling, the limiting rod is separated to the upper slide slide plate, and the installation and disassembly effect of base and end plate convenient and stable are realized, and the linear motor installation and disassembly process is simple and easy to operate, saves time and manpower, and improves the overall performance and reliability of motor. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 A three-dimensional schematic view of a linear motor with a protection function is provided for the utility model;

[0027] Figure 2 A structure schematic view of a slide of a linear motor with a protection function is provided for the utility model;

[0028] Figure 3 For Figure 2 An enlarged view of A in the middle;

[0029] Figure 4 For Figure 2 An enlarged view of B in the middle;

[0030] Figure 5 A structure schematic view of a mover of a linear motor with a protection function is provided for the utility model.

[0031] LEGEND:

[0032] 1, base; 2, end plate; 3, U-shaped seat; 4, slide plate; 5, connecting block; 6, connecting rod; 7, extrusion block; 8, round rod; 9, rubber round sleeve; 10, connecting plate; 11, fixed seat; 12, sliding plate; 13, limiting rod; 14, stator; 15, slide rail; 16, sliding block; 17, mover; 18, slide. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0034] With reference to Figures 1 to 3 , the utility model provides an embodiment: a linear motor with a protection function, including base 1 and end plate 2, base 1 and end plate 2 are mutually supported, and the core component of linear motor is borne, and the outside one side of end plate 2 is equipped with protection mechanism, and end plate 2 provides installation position for protection mechanism and engagement installation mechanism, and the outside other side of end plate 2 is equipped with engagement installation mechanism;

[0035] The protection mechanism includes a U-shaped seat 3, which serves as a basic support of the protection mechanism, provides a sliding space for the sliding plate 4, and can ensure smooth sliding of the sliding plate 4. The U-shaped seat 3 is fixedly connected to the outer side of the end plate 2. The U-shaped seat 3 is slidably connected with the sliding plate 4. The shape and size of the sliding plate 4 are adapted to the internal space of the U-shaped seat 3, so as to ensure that the sliding plate 4 will not shake during sliding. The sliding plate 4 is fixedly connected with a connecting block 5. The connecting block 5 is used to connect the sliding plate 4 and a connecting rod 6, and to transmit motion and force. The connecting block 5 is rotatably connected with the connecting rod 6. The connecting rod 6 converts the motion of the sliding plate 4 into the motion of a pressing block 7, so as to press the buffer assembly. The other end of the connecting rod 6 is rotatably connected with the pressing block 7. The pressing block 7 is pressed by the buffer assembly under the driving of the connecting rod 6, so as to absorb and buffer external force. The U-shaped seat 3 is fixedly connected with the buffer assembly.

[0036] The buffer assembly includes a round rod 8, which serves as a guide and support for the pressing block 7. The round rod 8 is fixedly connected to the inside of the U-shaped seat 3. The round rod 8 is externally sleeved with a rubber sleeve 9, which can absorb and buffer external force through its elastic deformation. The pressing block 7 is slidably connected to the outside of the round rod 8.

[0037] Referring to Figure 1 , Figure 4 and Figure 5 , the clamping and mounting mechanism includes a fixed seat 11, which serves as a basic component of the clamping and mounting mechanism, and provides a mounting space for the limiting assembly. The fixed seat 11 is fixedly connected to the outer side of the end plate 2. The base 1 is fixedly connected with a connecting plate 10. The connecting plate 10 cooperates with the limiting assembly to realize the mounting and fixation of the base 1. The connecting plate 10 is slidably connected to the inside of the end plate 2. The connecting plate 10 is slidably connected to the inside of the fixed seat 11. The fixed seat 11 is slidably connected with the limiting assembly.

[0038] The limiting assembly includes a sliding plate 12, which can drive the limiting rod 13 to move through its sliding. The sliding plate 12 is slidably connected to the inside of the fixed seat 11. The bottom of the sliding plate 12 is fixedly connected with the limiting rod 13. The limiting rod 13 can be inserted into the inside of the connecting plate 10, so as to limit the position of the base 1 through the connecting plate 10. The bottom end of the limiting rod 13 is slidably connected to the inside of the connecting plate 10.

[0039] Referring to Figure 5The inner part of the base 1 is fixedly connected with a stator 14, the stator 14 can generate a uniform and stable magnetic field, and interacts with a mover 17 to realize linear motion, the top of the base 1 is fixedly connected with a sliding rail 15, the sliding rail 15 provides a linear motion track for a sliding block 16, ensures the linear motion precision of the mover 17 and a sliding block 18, the outer part of the sliding rail 15 is slidably connected with the sliding block 16, the sliding block 16 slides on the sliding rail 15, connects the mover 17 and the sliding block 18, and is used for transmitting power, the outer part of the sliding block 16 is fixedly connected with the mover 17, the mover 17 realizes linear motion under the action of the magnetic field generated by the stator 14, the top of the sliding block 16 is fixedly connected with the sliding block 18, the sliding block 18 realizes linear motion under the driving of the sliding block 16, the top of the mover 17 is fixedly connected to the bottom of the sliding block 18, one end of the outer part of the rubber round sleeve 9 is fixedly connected to the inner wall of the U-shaped seat 3, and the other end of the rubber round sleeve 9 is fixedly connected to the outer part of the extrusion block 7.

[0040] Working principle: when the linear motor works, the stator 14 in the base 1 can generate a uniform and stable magnetic field, the mover 17 can obtain power under the action of the magnetic field generated by the stator 14, the mover 17 can slide on the sliding rail 15 through the sliding block 16, so as to drive the sliding block 18 to realize linear motion, and then the basic motion function of the linear motor is completed, when the sliding plate 4 is impacted, the sliding plate 4 can slide in the U-shaped seat 3, the sliding plate 4 drives the connecting rod 6 to move through the connecting block 5, the connecting rod 6 further drives the extrusion block 7 to slide along the round rod 8, the extrusion block 7 extrudes the rubber round sleeve 9, and the rubber round sleeve 9 absorbs and buffers external force through elastic deformation;

[0041] When the base 1 and the end plate 2 are installed, the connecting plate 10 is inserted into the end plate 2 and the fixed seat 11, the sliding plate 12 is slid, the sliding plate 12 can slide in the fixed seat 11 and make the limiting rod 13 inserted into the inner part of the connecting plate 10, so as to limit the position of the base 1, and the installation is completed, when disassembling, the sliding plate 12 is slid upward, the limiting rod 13 is separated from the connecting plate 10, and the connecting plate 10 can slide out of the end plate 2 after being separated from the limiting of the limiting rod 13.

[0042] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A linear motor with a protection function, comprising a base (1) and an end plate (2), characterized in that: The outer side of the end plate (2) is provided with a protection mechanism, and the other outer side of the end plate (2) is provided with a clamping installation mechanism. The protection mechanism comprises a U-shaped seat (3), the outer side of the U-shaped seat (3) is fixedly connected to the outer side of the end plate (2), the inner side of the U-shaped seat (3) is slidably connected with a sliding plate (4), the outer side of the sliding plate (4) is fixedly connected with a connecting block (5), the inner side of the connecting block (5) is rotatably connected with a connecting rod (6), the other end of the connecting rod (6) is rotatably connected with a pressing block (7), the inner side of the U-shaped seat (3) is fixedly connected with a buffer assembly, the buffer assembly comprises a round rod (8), the outer side of the round rod (8) is fixedly connected to the inner side of the U-shaped seat (3), the outer side of the round rod (8) is sleeved with a rubber round sleeve (9), and the inner side of the pressing block (7) is slidably connected to the outer side of the round rod (8).

2. The linear motor with protection function according to claim 1, characterized in that: The clamping installation mechanism comprises a fixed seat (11), the outer side of the fixed seat (11) is fixedly connected to the outer side of the end plate (2), the outer side of the base (1) is fixedly connected with a connecting plate (10), the outer side of the connecting plate (10) is slidably connected to the inner side of the end plate (2), the outer side of the connecting plate (10) is slidably connected to the inner side of the fixed seat (11), and the inner side of the fixed seat (11) is slidably connected with a limiting assembly.

3. The linear motor with protection function according to claim 2, characterized in that: The limiting assembly comprises a sliding plate (12), the outer side of the sliding plate (12) is slidably connected to the inner side of the fixed seat (11), the bottom of the sliding plate (12) is fixedly connected with a limiting rod (13), and the outer bottom end of the limiting rod (13) is slidably connected to the inner side of the connecting plate (10).

4. The linear motor with protection function according to claim 1, characterized in that: The inner side of the base (1) is fixedly connected with a stator (14), and the top of the base (1) is fixedly connected with a sliding rail (15).

5. A linear motor with a protection function according to claim 4, characterized in that: The outer side of the sliding rail (15) is slidably connected with a sliding block (16), and the outer side of the sliding block (16) is fixedly connected with a rotor (17).

6. The linear motor with protection function according to claim 5, characterized in that: The top of the sliding block (16) is fixedly connected with a sliding seat (18), and the top of the rotor (17) is fixedly connected to the bottom of the sliding seat (18).

7. The linear motor with protection function according to claim 1, characterized in that: The outer side of the rubber round sleeve (9) is fixedly connected to the inner wall of the U-shaped seat (3), and the other end of the rubber round sleeve (9) is fixedly connected to the outer side of the pressing block (7).

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