CN217656545U - Linear motor module - Google Patents

Abstract

The utility model provides a linear motor module, which comprises a stator module and a rotor module, wherein the stator module comprises a base, a stator unit and an iron block, the base is provided with a stator groove for limiting the stator unit, the bottom of the stator groove is also provided with a fixing groove for installing the iron block, the stator unit is fixed above the iron block, the bottom of the base is also provided with a screw hole for fixing the linear motor module, and the screw hole extends from bottom to top; the rotor module comprises a rotor end cover and a rotor unit, the rotor end cover is sleeved on the rotor unit, and the rotor unit is located above the stator unit. The utility model provides a linear electric motor module can reduce linear electric motor module's thickness to reduce linear electric motor module's volume, satisfy the miniaturized design demand of equipment.

Description

Linear motor module

Technical Field

The embodiment of the utility model provides a but not limited to motor technical field especially relates to a linear electric motor module.

Background

The linear motor module is a transmission device capable of providing linear motion, and along with the continuous development of automatic control technology, the linear motor module is widely applied in the industrial field. Linear motor module in the correlation technique is bulky, and occupation space is big, can't satisfy the miniaturized demand of equipment.

SUMMERY OF THE UTILITY MODEL

The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a linear electric motor module can reduce linear electric motor module's thickness to reduce linear electric motor module's volume, satisfy the user demand.

The embodiment of the utility model provides a linear electric motor module, include:

the stator module comprises a base, a stator unit and an iron block, wherein the base is provided with a stator groove for limiting the stator unit, the bottom of the stator groove is also provided with a fixing groove for mounting the iron block, the stator unit is fixed above the iron block, the bottom of the base is also provided with a screw hole for fixing the linear motor module, and the screw hole extends from bottom to top;

the rotor module comprises a rotor end cover and a rotor unit, the rotor end cover is sleeved on the rotor unit, and the rotor unit is located above the stator unit.

According to the utility model discloses linear electric motor module has following beneficial effect at least: set up fixed recess bottom the stator recess of base to the iron plate can be nested to be fixed inside the base, and the stator unit is fixed in the iron plate top through magnetism and is nested inside the base, consequently can reduce the thickness of stator module, saves space, and simultaneously, the iron plate can share partial pressure for the stator unit, alleviates the pressure that the stator unit receives, improves the performance of linear electric motor module. In addition, the screw hole for fixing the linear motor module is located at the bottom of the base and extends from bottom to top, so that the bolt is installed below the screw hole, the situation that the bolt is located above the base to influence the movement of the rotor unit is avoided, the rotor unit does not need to improve the gap between the rotor unit and the base, the thickness of the linear motor module is reduced, the space is saved, and the requirement for equipment miniaturization is met.

According to the utility model discloses some embodiments, the stator recess inboard still is provided with and is used for preventing the stopper of stator unit dislocation, stator unit can be fixed to the stopper, prevents that stator unit from dislocating.

According to the utility model discloses some embodiments, the screw is located the bottom of fixed recess can pass through the bolt fastening iron plate.

According to the utility model discloses some embodiments, fixed recess's width is greater than the width of stator recess increases the area of contact of iron plate and base, is favorable to the iron plate to undertake the holding down force for the stator unit.

According to the utility model discloses some embodiments of embodiment, active cell end cover both sides are provided with and are used for fixing active cell unit's centre gripping arm, the active cell end cover passes through the centre gripping arm is fixed in the top of base, the active cell end cover passes through the centre gripping arm of both sides and fixes in the top of base, can improve the stability that active cell module and stator module are connected.

According to the utility model discloses some embodiments, the both sides of base are provided with to the sunken first ball spout of stator recess, the centre gripping arm be provided with first ball spout assorted second ball spout mutually supports through centre gripping arm and base and forms the ball passageway, saves space.

According to the utility model discloses some embodiments, still install on the centre gripping arm and be used for sealing first ball spout with the end cover that returns to of second ball spout, it is provided with the gyration spout that is used for the ball to turn to in the end cover to return, the one end of gyration spout is located first ball spout with between the second ball spout, return to the end cover and can seal the ball spout and prolong ball sliding path, be favorable to improving the performance of linear electric motor module.

According to the utility model discloses some embodiments of the embodiment, the centre gripping arm has still been offered and is used for the gliding ball track of ball, the ball track is located one side of second ball spout, the gyration spout with ball rail connection saves space, prolongs ball slip path, improves the performance of linear electric motor module.

According to the utility model discloses some embodiments, turn back the end cover be equipped with first ball spout assorted limit baffle, the centre gripping arm passes through limit baffle install in the both sides of base, limit baffle can restrict the centre gripping arm and remove along first ball spout when can restricting the ball roll-off.

According to the utility model discloses some embodiments, the lateral wall of active cell end cover is offered and is used for connecting the pipeline of being qualified for the next round of competitions of active cell unit realizes being qualified for the next round of competitions in active cell module side, saves the vertical space of linear electric motor module, reduces the volume of linear electric motor module.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the technical aspects of the present invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present invention, and together with the description, serve to explain the technical aspects of the present invention.

Fig. 1 is a schematic structural diagram of a linear motor module according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of the linear motor module shown in fig. 1;

fig. 3 is a schematic structural view of a mover module in the linear motor module shown in fig. 1;

fig. 4 is a schematic structural view of a return end cap in the linear motor module shown in fig. 1.

Reference numerals: the linear motor module 100, the base 110, the stator groove 111, the fixing groove 112, the first ball chute 113, the stator unit 120, the iron block 130, the screw hole 140, the mover end cover 150, the clamping arm 151, the second ball chute 152, the rotary chute 153, the ball track 154, the limit baffle 155, the return end cover 156, the mover unit 160, and the outlet pipeline 170.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the directional descriptions, such as the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means is one or more, a plurality of means is two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The utility model provides a linear electric motor module sets up fixed recess in the stator recess bottom of base to the iron plate can be nested to be fixed inside the base, and the stator unit is fixed in the iron plate top through magnetism and nested inside the base, consequently can reduce stator module's thickness, saves space, and simultaneously, the iron plate can share partial pressure for the stator unit, alleviates the pressure that the stator unit receives, improves the performance of linear electric motor module. In addition, the screw hole for fixing the linear motor module is located at the bottom of the base and extends from bottom to top, so that the bolt is installed below the screw hole, the situation that the bolt is located above the base to influence the movement of the rotor unit is avoided, the rotor unit does not need to improve the gap between the rotor unit and the base, the thickness of the linear motor module is reduced, the space is saved, and the requirement for equipment miniaturization is met.

The embodiments of the present invention will be further explained with reference to the drawings.

In conjunction with fig. 1, it can be understood that the linear motor module 100 includes a stator module and a mover module, wherein the stator module includes a base 110, a stator unit 120 and an iron block 130, and the mover module includes a mover end cover 150 and a mover unit 160. The base 110 is formed with a stator groove 111, and the bottom of the stator groove 111 is also formed with a fixing groove 112. The fixing groove 112 can be nested with the iron block 130, so that the iron block 130 is installed inside the base 110, and does not occupy the longitudinal space of the linear motor module 100. The stator unit 120 can be magnetically fixed above the iron block 130 through the stator groove 111, so as to prevent the stator unit 120 from being dislocated to affect the performance of the linear motor module 100. The stator unit 120 may be installed inside the base 110 through the stator groove 111, so as to reduce the thickness of the stator module, thereby reducing the volume of the linear motor module 100. The mover unit 160 in the mover module is located above the stator unit 120, and the mover end cap 150 is sleeved outside the mover unit 160, and the mover end cap 150 can fix the mover unit 160 above the stator module. Therefore, the stator unit 120 may also be installed in the stator groove 111 and the stator unit 120 is higher than the stator groove 111, so that in the process that the mover unit 160 moves on the stator unit 120, the contact between the mover unit 160 and the base 110 may be reduced, the friction of the mover module may be reduced, and the performance of the linear motor module 100 may be improved. The stator unit 120 is mounted on the iron block 130, and the iron block 130 is nested in the fixing groove 112, so that the stator unit 120 can transmit the downward pressure of the mover module to the base 110 through the iron block 130, and therefore, the iron block 130 can bear partial pressure for the stator unit 120, reduce the abrasion of the stator unit 120, and improve the performance of the linear motor module 100.

With reference to fig. 2, it can be understood that the bottom of the sliding base is provided with a screw hole 140, the screw hole 140 formed in the bottom of the sliding base can install and fix the linear motor module 100 on the equipment through a bolt, and the screw hole 140 extends from bottom to top, that is, the bolt is installed and fixed from bottom to top, so that the bolt is located at the bottom of the base 110, and the bolt is prevented from being installed at the top of the base 110 to affect the movement of the mover module, thereby the gap between the mover module and the base 110 does not need to be increased, the thickness of the linear motor module 100 is reduced, the space is saved, and the use requirement of the miniaturized equipment is met.

It can be understood that a plurality of limiting blocks are further disposed on the inner side of the stator groove 111, the limiting blocks can fix the stator unit 120, the stator unit 120 is prevented from being dislocated due to the magnetic attraction effect, and meanwhile, the stator unit 120 is prevented from being shifted to influence the movement of the mover module and influence the performance of the linear motor module 100. The stopper can be located the lateral wall of stator recess 111 to the stopper can set up equidistantly, improves linear electric motor module 100's stability.

It should be noted that the stator groove 111 may be provided with a limiting block for fixing the stator unit 120, the sidewall of the fixing groove 112 may also be provided with a positioning block for fixing the iron blocks 130, the fixing groove 112 may be internally installed with a plurality of iron blocks 130, the positioning block may prevent the iron blocks 130 from moving, and unevenness of joints of the plurality of iron blocks 130 is avoided, so that the stator unit 120 is displaced to make the mover module move unstably, and therefore, the positioning block may improve the moving stability of the mover unit 160.

It can be understood that the screw holes 140 are located at the bottom of the base 110, wherein the screw holes 140 may be located at both sides of the fixing groove 112, and the bolts can be installed inside the base 110, saving space. The screw hole 140 may also be located at the bottom of the fixing groove 112, so that the bolt may pass through the fixing groove 112 to fix the iron block 130 on the fixing groove 112 while fixing the base 110, thereby improving the stability of the stator module. In addition, the stator units 120 may be disposed on the iron blocks 130 at equal intervals, and the screw holes 140 may also be disposed at the bottom of the fixing groove 112 at equal intervals, so that bolts can pass through the iron blocks 130 to dispose the iron blocks 130 and the base 110 on both sides of the stator units 120, limit the stator units 120, prevent the stator units 120 from shifting, and improve the stability of the stator module.

It should be noted that the screw hole 140 may also be located below the stator unit 120, so that the bolt can fix the iron block 130 and the stator unit 120 while fixing through the screw hole 140, thereby improving the stability of the stator module.

With reference to fig. 2, it can be understood that the width of the fixing groove 112 may be greater than the width of the stator groove 111, that is, the width of the iron block 130 may be greater than the width of the stator unit 120, and the greater the width of the iron block 130, the greater the contact area between the iron block 130 and the fixing groove 112 is, so that the stator unit 120 can uniformly transmit the downward pressure to the base 110 through the iron block 130, and the iron block 130 can bear part of the pressure for the stator unit 120, thereby improving the stability of the stator module.

It should be noted that the fixing groove 112 may be a dovetail groove, which helps to fix the iron block 130, and increases the contact area between the fixing groove 112 and the iron block 130, which helps to make the force applied uniform.

With reference to fig. 3, it can be understood that clamping arms 151 are disposed on both sides of the mover end cover 150, a mover mounting groove is disposed between the clamping arms 151, and the mover unit 160 is mounted in the mover mounting groove, that is, the mover unit 160 is located between the clamping arms 151, wherein the height of the mover unit 160 is smaller than that of the mover mounting groove, so that in the case that the mover unit 160 abuts against the stator unit 120, the contact between the mover end cover 150 and the base 110 can be reduced, and the performance of the linear motor module 100 can be improved. In addition, the clamping arms 151 at both sides of the mover end cap 150 can be fixed at both sides of the base 110, so that the mover end cap 150 can be fixed above the base 110 through the clamping arms 151, and the mover module is restricted from performing a linear motion on the base 110, thereby improving the performance of the linear motor module 100, and simultaneously reducing the thickness and the volume of the linear motor module 100.

It can be understood that, the two sides of the base 110 are provided with the first ball sliding grooves 113, and the clamping arm 151 is further provided with the second ball sliding grooves 152, and the first ball sliding grooves 113 are matched with the second ball sliding grooves 152, so that the balls can slide between the first ball sliding grooves 113 and the second ball sliding grooves 152, and the linear guiding precision of the linear motor module 100 is improved. In addition, the balls can be mounted or dismounted by dismounting the mover end cover 150, so that the balls can be conveniently adjusted by a user. Through setting up first ball spout 113 in the both sides of base 110, set up second ball spout 152 at the inside wall of centre gripping arm 151, utilize first ball spout 113 and the combination of second ball spout 152 to form the ball passageway, can reduce linear electric motor module 100's width, save space to can adopt more wide active cell unit 160 and stator unit 120, consequently can reduce linear electric motor module 100 occupation space improves linear electric motor module 100's performance.

With reference to fig. 4, it can be understood that the two side clamping arms 151 are respectively provided with the return end caps 156, and the return end caps 156 are respectively located at two ends of the second ball sliding groove 152, so that the return end caps 156 can seal the ball passages formed by the first ball sliding groove 113 and the second ball sliding groove 152, and the balls are prevented from sliding out to affect the linear guiding precision of the linear motor module 100. In addition, a rotary sliding groove 153 is further arranged in the return end cover 156, and one end of the rotary sliding groove 153 is located between the first ball sliding groove 113 and the second ball sliding groove 152, so that the ball sliding grooves can be turned and buffered through the rotary sliding groove 153, and the phenomenon that the return end cover 156 is damaged due to overlarge impact force of balls, the balls slide out, and the performance of the linear motor module 100 is affected is avoided.

It can be understood that the clamping arm 151 is further provided with a ball rail 154, the ball rail 154 is located on one side of the second ball sliding groove 152, wherein the ball rail 154 may be located obliquely above the second ball sliding groove 152, may also be located above the second ball sliding groove 152, and may also be horizontally disposed with the second ball sliding groove 152, so as to save the thickness of the mover end cap 150. The ball rail 154 is connected to the other end of the rotation sliding groove 153, so that the balls can slide in a reciprocating manner through the rotation sliding groove 153 in a ball passage formed by the ball rail 154 and the first and second ball sliding grooves 113 and 152, infinite linear motion is achieved, linear guide accuracy of the linear motor module 100 is improved, the size of the mover module can be reduced, and the space of the linear motor module 100 is saved.

It can be understood that, turn to end cover 156 and still be provided with limit baffle 155, limit baffle 155 is located the inboard, and limit baffle 155 and first ball spout 113 phase-match, thereby limit baffle 155 and first ball spout 113 are mutually supported, prevent the ball roll-off of first ball spout 113, and limit baffle 155 can the joint in first ball spout 113, the both sides at base 110 can be installed through limit baffle 155 to clamping arm 151 promptly, active cell end cover 150 can move on first ball spout 113 through limit baffle 155, prevent active cell end cover 150 from shifting in the linear motion process, improve linear electric motor module 100's high accuracy.

It can be understood that the side wall of the mover end cover 150 is further provided with an outlet pipeline 170, the outlet pipeline 170 extends from the side wall of the mover end cover 150 to the mover unit 160, and the mover unit 160 can place a wire along the outlet pipeline 170, so that the mover unit 160 can be led out from one side of the mover end cover 150 without being led out from the top of the mover end cover 150, the longitudinal space of the mover module can be saved, the size of the linear motor module 100 is saved, and the design requirement of miniaturization of equipment is met.

While the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. Linear electric motor module, its characterized in that includes:

the stator module comprises a base, a stator unit and an iron block, wherein the base is provided with a stator groove for limiting the stator unit, the bottom of the stator groove is also provided with a fixing groove for mounting the iron block, the stator unit is fixed above the iron block, the bottom of the base is also provided with a screw hole for fixing the linear motor module, and the screw hole extends from bottom to top;

the rotor module comprises a rotor end cover and a rotor unit, the rotor end cover is sleeved on the rotor unit, and the rotor unit is located above the stator unit.

2. The linear motor module according to claim 1, wherein a limiting block for preventing the stator unit from dislocating is further disposed inside the stator groove.

3. The linear motor module of claim 1, wherein the screw hole is located at a bottom of the fixing groove.

4. The linear motor module of claim 1, wherein the width of the fixing groove is greater than the width of the stator groove.

5. The linear motor module as claimed in claim 1, wherein clamping arms for fixing the mover unit are disposed on both sides of the mover end cover, and the mover end cover is fixed above the base by the clamping arms.

6. The linear motor module according to claim 5, wherein first ball sliding grooves recessed toward the stator grooves are formed in both sides of the base, and second ball sliding grooves matched with the first ball sliding grooves are formed in the clamping arms.

7. The linear motor module according to claim 6, wherein a return end cap for sealing the first ball sliding groove and the second ball sliding groove is further mounted on the clamping arm, a revolving sliding groove for ball turning is provided in the return end cap, and one end of the revolving sliding groove is located between the first ball sliding groove and the second ball sliding groove.

8. The linear motor module according to claim 7, wherein the clamping arm further defines a ball track for sliding balls, the ball track is located at one side of the second ball sliding slot, and the revolving sliding slot is connected to the ball track.

9. The linear motor module according to claim 7, wherein the return end cap is provided with a limit baffle matched with the first ball chute, and the clamping arms are mounted on two sides of the base through the limit baffle.

10. The linear motor module as claimed in claim 1, wherein a side wall of the mover end cover is opened with a wire outlet pipe for connecting the mover unit.

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