CN211029014U - Automatic alignment fixture for motor shell - Google Patents

Abstract

The utility model belongs to the technical field of frock clamp, especially, relate to an automatic alignment anchor clamps of motor housing, including bottom plate, monomer base, top fixing device and automatic positioning device, on the monomer base was fixed in the bottom plate, two automatic positioning device installed respectively in two relative bights of monomer base, and two automatic positioning device all are provided with the elastic positioning head that is used for the fillet concave surface at two relative diagonal angles of butt location motor housing respectively, and top fixing device sets up in the top of monomer base and is connected with the monomer base. The utility model discloses an automatic alignment anchor clamps of motor housing can realize that the convenience of clamping process is succinct, and the automatic positioning of motor housing clamping can also improve machining efficiency moreover.

Description

Automatic alignment fixture for motor shell

Technical Field

The utility model belongs to the technical field of frock clamp, especially, relate to an automatic alignment anchor clamps of motor housing.

Background

the motor shell generally needs to be processed with tooth holes, the traditional technology generally adopts a clamp similar to an L-shaped block to position two surfaces of the motor shell, then when the motor shell is locked, the clamp is pushed tightly by hands in the direction of the clamp to ensure that the motor shell is locked and then the tooth holes are processed, however, the product of the current motor shell is characterized in that 1, the shape is an extruded section, the size is not uniform, or a large or small floating range exists, 2, the finished product is the motor shell, the processing position comprises an inner hole end face and all tooth holes, the shape is not processed, but in order to ensure that the inner part and the outer part of the product after being processed have no wall difference, if the inner part and the outer part can not be automatically aligned, the wall thickness difference can not be avoided.

That is, the conventional fixture for machining the motor housing of the existing extruded profile inevitably has the following defects: 1. the sizes of two sides of the product are not consistent, the center of a positioned circle of the motor shell deviates due to the size difference when two surfaces are used for positioning, and the machined reference tooth hole has a risk of deviating when positioned for a subsequent procedure, so that the problems of uneven wall thickness and unstable position degree can be caused, and finally the product can be scrapped due to the position degree being out of tolerance; 2. the clamping is inconvenient, the product needs to be pressed by hands, otherwise, the product is possibly moved when being locked; 3. the inconvenient a plurality of motor housing that also lead to unable simultaneous processing of clamping, and then lead to production efficiency low.

SUMMERY OF THE UTILITY MODEL

The invention aims to provide an automatic alignment clamp for a motor shell, and aims to solve the technical problems that when a clamp in the prior art is used for clamping and processing the motor shell of an extruded section, positioning deviation is easy to generate, the clamping effect is poor, clamping is inconvenient and the processing efficiency is low.

In order to achieve the above object, an embodiment of the utility model provides a pair of automatic alignment anchor clamps of motor housing, including bottom plate, monomer base, top fixing device and automatic positioning device, the monomer base is fixed in on the bottom plate, automatic positioning device is provided with two, and two automatic positioning device install respectively in the relative two pairs of bights of monomer base, two automatic positioning device all is provided with the elastic positioning head that is used for butt positioning motor housing's the fillet concave surface at two relative diagonal angles respectively, top fixing device set up in the top of monomer base and with the monomer base is connected in order to be used for fixed motor housing.

Optionally, the automatic positioning device further comprises a positioning seat, a sliding rod, a spring and a limiting screw, the positioning seat is installed at a corner of the single base, the positioning seat is provided with a sliding hole, the sliding rod is arranged in the sliding hole, the spring is sleeved outside the sliding rod and located in the sliding hole, the limiting screw extends into the sliding hole at the outer end of the sliding hole, is connected with one end of the sliding rod and abuts against the outer side of the positioning seat, and the elastic positioning head is connected with the other end of the sliding rod and extends out of the inner end of the sliding hole and is used for abutting against a fillet concave surface of the motor shell.

Optionally, the corners of the single base are provided with chutes, the bottoms of the positioning seats are provided with bosses matched with the chutes, the bosses slide into the chutes, and the positioning seats are connected with the single base in a locking manner through a plurality of bolts.

Optionally, the elastic positioning heads of the two automatic positioning devices are arranged opposite to each other at two opposite corners of the single base, and end surfaces of the elastic positioning heads are arc-shaped surfaces.

Optionally, the top of bottom plate is equipped with heavy platform, be equipped with on the monoblock base with heavy platform matched with step circle, step circle embedding is heavy in the platform, the monoblock base through a plurality of bolts with bottom plate locking connection.

Optionally, the top fixing device includes a pressing block and a screw rod, a threaded hole is formed in the single base, the pressing block is arranged above the single base and used for pressing the top of the motor housing, and the screw rod penetrates through the pressing block and the motor housing and is connected with the threaded hole.

Optionally, the screw rod penetrates through the central part of the pressing block and is connected with the threaded hole in the central part of the single base.

Optionally, a circular truncated cone matched with the inner side surface of the motor shell is arranged on the single base.

Optionally, the circular truncated cone is disposed on a central portion of the single base.

Optionally, the bottom plate is provided with a plurality of bolt holes for bolts to penetrate through to be fixed on a workbench of the machine tool.

One or more technical solutions in the automatic alignment fixture for the motor housing provided by this embodiment have at least one of the following technical effects: the utility model discloses an automatic alignment anchor clamps of motor housing, during the use, when putting into anchor clamps with motor housing, align motor housing and place on monomer base, the concave surface contact of automatic positioning device's elastic locating head and motor housing diagonal part this moment, because automatic positioning device's elastic locating head has certain elasticity, then under elastic effect, the elastic locating head can be along the concave surface of the diagonal part of the automatic top tight motor housing of only direction, let motor housing automatic alignment, finally, rethread top fixing device sets up at motor housing's top, and with monomer base fixed connection, thereby realize fixing motor housing between monomer base and top fixing device; so, even carry out the clamping to the motor housing of the inhomogeneous extrusion section bar of wall thickness, still can realize automatic alignment to it to the process of clamping is simple and convenient more than prior art, and then can improve production efficiency greatly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of an automatic alignment fixture for a motor housing provided by an embodiment of the present invention.

Fig. 2 is the utility model provides an automatic alignment anchor clamps of motor housing hide the structure decomposition sketch map behind the bottom plate.

Fig. 3 is a sectional view of the elastic positioning head of the automatic alignment fixture for motor housing provided by the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of the positioning seat of the automatic alignment fixture for the motor housing provided by the embodiment of the present invention.

Fig. 5 is a schematic structural view of a single base of the automatic alignment fixture for the motor housing provided by the embodiment of the present invention.

Fig. 6 is a schematic structural diagram of another view angle of the single base of the automatic alignment fixture for the motor housing according to the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-bottom plate 20-single base 21-chute

22-round platform 23-step circle 24-threaded hole

30-top fixing device 31-pressing block 32-screw

40-automatic positioning device 41-elastic positioning head 42-positioning seat

43-sliding rod 44-spring 45-limit screw

50-motor housing 421-slide hole 422-boss.

Detailed Description

Reference will now be made in detail to 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 function throughout. The embodiments described below with reference to fig. 1-6 are exemplary and intended to be used to illustrate embodiments of the present invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1-2, an automatic alignment fixture for motor housing 50 is provided, which comprises a bottom plate 10, a single base 20, a top fixing device 30 and an automatic positioning device 40, wherein the single base 20 is fixed on the bottom plate 10, the automatic positioning device 40 is provided with two automatic positioning devices 40 respectively installed at two opposite corners of the single base 20, two automatic positioning devices 40 are respectively provided with an elastic positioning head 41 for positioning the fillet concave surface of the two opposite corners of the motor housing 50 by abutting, the top fixing device 30 is arranged above the single base 20 and connected with the single base 20 for fixing the motor housing 50.

The utility model discloses an automatic alignment anchor clamps of motor housing 50, when motor housing 50 put into anchor clamps, two elastic positioning heads 41 of two automatic positioning device 40 and the concave surface contact of motor housing 50 diagonal part, because the elastic head of automatic positioning device 40 has certain elasticity, so under elastic effect, elastic positioning head 41 can be along the concave surface of the diagonal part of unique direction automatic top tight motor housing 50, thereby let motor housing 50 automatic alignment, finally, rethread top fixing device 30 sets up at the top of motor housing 50, and with monomer base 20 fixed connection, thereby realize fixing motor housing 50 between monomer base 20 and top fixing device 30; so, even carry out the clamping to the motor housing 50 of the inhomogeneous extrusion section of wall thickness, still can realize automatic alignment to it to the process of clamping is simple and convenient more than prior art, and then can improve production efficiency greatly.

In another embodiment of the present invention, as shown in fig. 3 to 5, the automatic positioning device 40 further includes a positioning seat 42, a sliding rod 43, a spring 44 and a limit screw 45, the positioning seat 42 is installed at a corner of the single base 20, the single base 20 is generally a rectangular base with four corners, and then two positioning seats 42 are respectively installed at two opposite corners of the rectangular single base 20. The positioning seat 42 is provided with a sliding hole 421, the sliding rod 43 is disposed in the sliding hole 421, the spring 44 is sleeved outside the sliding rod 43 and is located in the sliding hole 421, the limiting screw 45 extends into the sliding hole 421 at the outer end of the sliding hole 421, is connected with one end of the sliding rod 43 and abuts against the outer side of the positioning seat 42, and the elastic positioning head 41 is connected with the other end of the sliding rod 43 and extends out of the inner end of the sliding hole 421 and is used for abutting against the round concave surface of the motor housing 50. Specifically, the sliding rod 43 is slidably connected in the sliding hole 421, and the sliding rod 43 can move relative to the positioning seat 42, so that the elastic positioning head 41 connected with the sliding rod 43 can move relative to the positioning seat 42, and since the sliding rod 43 is externally sleeved with the spring 44 in the sliding hole 421, the sliding rod 43 and the elastic positioning head 41 can be reset after moving under the action of the spring 44, and finally, the sliding rod 43 and the elastic positioning head 41 can be prevented from being separated from the connection with the positioning seat 42 under the action of the connection of the limiting screw 45 and the sliding rod 43. Furthermore, two opposite corners of the single base 20 with a rectangular structure are respectively provided with a positioning seat 42, when the motor housing 50 is clamped, a fillet concave surface at the opposite corner of the motor housing 50 is contacted with an elastic positioning head 41 in the automatic positioning device 40, at this time, the elastic positioning head 41 receives a thrust of the fillet concave surface at the opposite corner of the motor housing 50, the elastic positioning head 41 receives a horizontal thrust to press the sliding rod 43 in the sliding hole 421 and compress the spring 44, and under the action of the spring 44, the sliding rod 43 is driven to move along the direction of the force until one end of the sliding rod 43 abuts against one end of the limiting screw 45 in the sliding hole 421, so that the motor housing 50 is automatically positioned; so, electricity under the automatic installation positioner's of this embodiment effect, the installation of shell can realize automatic positioning, and such clamping process is simple and convenient.

In another embodiment of the present invention, as shown in fig. 3 to 5, the corner of the single base 20 is provided with the chute 21, the single base 20 generally adopts a rectangular base, which has four corners, so that two chutes 21 are respectively disposed at two opposite corners of the single base 20 with a rectangular structure, the bottom of the positioning seat 42 is provided with a boss 422 engaged with the chute 21, the boss 422 slides into the chute 21, and the positioning seat 42 is locked and connected with the single base 20 through a plurality of bolts. Specifically, two opposite corners of the single base 20 with a rectangular structure are respectively provided with a chute 21, the positioning seat 42 of the automatic positioning device 40 is provided with a boss 422 matched with the chute 21 for matching, and the positioning seat 42 and the single base 20 are locked by a plurality of bolts; thus, the automatic positioning device 40 can be detached and replaced at any time when the automatic positioning device fails, and the matching mode of the chute 21 and the boss 422 is favorable for installation and the stability of the installed positioning seat 42.

In another embodiment of the present invention, as shown in fig. 2, two elastic positioning heads 41 of two automatic positioning devices 40 are opposite to each other at the corner of the single base 20, and the end surface of the elastic positioning head 41 is a circular arc surface. Specifically, one end of the elastic positioning head 41 of the automatic positioning device 40 is installed in the sliding hole 421 of the positioning seat 42, the other end of the elastic positioning head 41 is an arc surface, when the motor housing 50 is installed, the arc surface of the elastic positioning head 41 contacts with the round concave surface of the motor housing 50, and one ends of the two elastic positioning heads 41 respectively installed on the two positioning seats 42 are opposite to each other; thus, the arc-shaped surface of the elastic positioning head 41 can make the installation and positioning effects of the motor housing 50 better, and damage such as scratch to the concave surface of the motor housing 50 can not be caused.

In another embodiment of the present invention, as shown in fig. 6, the top of the bottom plate 10 is provided with a sinking platform, the single base 20 is provided with a step circle 23 matched with the sinking platform, the step circle 23 is embedded into the sinking platform, and the single base 20 is connected with the bottom plate 10 through a plurality of bolts. Specifically, when the single base 20 is installed, the step circle 23 on the single base 20 is embedded into the sinking platform at the top of the bottom plate 10, and the bottom plate 10 and the single base 20 are locked by a plurality of bolts; thus, due to the matching of the step circle 23 and the sinking platform, the single base 20 and the bottom plate 10 can be quickly positioned, and the stability of the structure can be firmer after the installation and the matching.

In another embodiment of the present invention, as shown in fig. 2, the top fixing device 30 includes a pressing block 31 and a screw rod 32, the single base 20 is provided with a threaded hole 24, the pressing block 31 is disposed above the single base 20 and used for pressing the top of the motor housing 50, and the screw rod 32 passes through the pressing block 31 and the motor housing 50 and is connected to the threaded hole 24. Specifically, the motor housing 50 is clamped, when the bottom of the motor housing 50 reaches the positioning surface of the clamp, the pressing block 31 of the top fixing device 30 is placed on the top of the motor housing 50, a screw 32 penetrates through the pressing block 31 and the inside of the motor housing 50 to be connected to the threaded hole 24 of the single base 20, and the motor housing 50 is fixed by screwing the screw 32; the motor shell 50 is convenient to move up and down in the machining process through manual operation, so that the machining precision of the motor shell 50 is improved.

In another embodiment of the present invention, as shown in fig. 2, the screw 32 passes through the central portion of the pressing block 31 and is connected to the threaded hole 24 at the central portion of the single base 20. Specifically, a hole for the screw 32 to pass through is provided at the center of the pressing block 31 of the top fixing device 30, preferably, the hole is a threaded hole 24, the threaded hole 24 on the single base 20 corresponds to the center hole of the pressing block 31, the hole diameter is equal, and the screw 32 is vertically connected to the threaded hole 24 on the single base 20 through the pressing block 31; in this way, the center of the pressing block 31 is opposite to the threaded hole 24 of the single base 20, and the screw 32 can better connect the top fixing device 30 with the single base 20.

In another embodiment of the present invention, as shown in fig. 5, a circular truncated cone 22 for matching with the inner side surface of the motor housing 50 is disposed on the single base 20. Specifically, be equipped with the round platform 22 that can match with 50 medial surfaces of motor housing on the monomer base 20, when motor housing 50 adorned anchor clamps, with the inboard round platform 22 on monomer base 20 of having good alignment of motor housing 50, place motor housing 50 again on monomer base 20, make motor housing 50 bottom arrive on the anchor clamps locating surface, can make the quick location of motor housing 50 like this, the clamping is also more convenient.

In another embodiment of the present invention, as shown in fig. 5, the circular truncated cone 22 is disposed on a central portion of the single base 20. Specifically, the circular truncated cone 22 on the single base 20 is arranged at the central position of the single base 20, and when the motor housing 50 is mounted on the positioning seat 42, the circular truncated cone 22 is positioned, and the circular truncated cone 22 is arranged at the central position of the single base 20, so that the requirement of the bottom of the motor housing 50 on the area of the single base 20 can be reduced while the central position of the motor housing 50 can be better found.

In another embodiment of the present invention, as shown in fig. 1, a plurality of single bases 20 are provided, and each single base 20 is arranged on the bottom plate 10 in a rectangular array. Specifically, the base plate 10 may be provided with a plurality of single bases 20 arranged in a rectangular array, and when the motor housing 50 is mounted on the fixture, the same number of motor housings 50 may be simultaneously mounted according to the number of the single bases 20, so as to implement the processing of a plurality of motor housings 50 and improve the processing efficiency.

In another embodiment of the present invention, as shown in fig. 1, a plurality of bolt holes for bolts to pass through are provided on the bottom plate 10 for fixing on the worktable of the machine tool. Specifically, when the motor housing 50 aligning jig is mounted, the motor housing 50 aligning jig is fixed to the table of the machine tool by a plurality of bolts through a plurality of bolt holes provided in the base plate 10, so that the motor housing 50 can be smoothly processed.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides an automatic alignment anchor clamps of motor housing which characterized in that: including bottom plate, monomer base, top fixing device and automatic positioning device, the monomer base is fixed in on the bottom plate, automatic positioning device is provided with two, and two automatic positioning device install respectively in two relative diagonal portions of monomer base, two automatic positioning device all is provided with the elastic positioning head that is used for the fillet concave surface at two relative diagonal angles of butt positioning motor housing respectively, top fixing device set up in the top of monomer base and with the monomer base is connected in order to be used for fixed motor housing.

2. The automatic alignment fixture for motor housings of claim 1, characterized in that: the automatic positioning device further comprises a positioning seat, a sliding rod, a spring and a limiting screw, wherein the positioning seat is installed at the corner of the single base, the positioning seat is provided with a sliding hole, the sliding rod is arranged in the sliding hole, the spring is sleeved outside the sliding rod and positioned in the sliding hole, the limiting screw extends into the sliding hole at the outer end of the sliding hole, is connected with one end of the sliding rod and abuts against the outer side of the positioning seat, and the elastic positioning head is connected with the other end of the sliding rod and extends out of the inner end of the sliding hole and is used for abutting against a fillet concave surface of the motor shell.

3. The automatic alignment fixture for motor housings of claim 2, characterized in that: the corner of the single base is provided with a chute, the bottom of the positioning seat is provided with a boss matched with the chute, the boss slides into the chute, and the positioning seat is in locking connection with the single base through a plurality of bolts.

4. The automatic alignment fixture for motor housings of claim 1, characterized in that: the elastic positioning heads of the two automatic positioning devices are oppositely arranged at two opposite angles of the single base, and the end surfaces of the elastic positioning heads are arc-shaped surfaces.

5. The automatic alignment fixture for motor housings of claim 1, characterized in that: the top of bottom plate is equipped with heavy platform, be equipped with on the monomer base with heavy platform matched with step circle, step circle embedding is heavy in the platform, the monomer base through a plurality of bolts with bottom plate locking connection.

6. The automatic alignment clamp for the motor housing according to any one of claims 1 to 5, wherein: the top fixing device comprises a pressing block and a screw rod, a threaded hole is formed in the single base, the pressing block is arranged above the single base and used for pressing the top of the motor shell, and the screw rod penetrates through the pressing block and the motor shell and is connected with the threaded hole.

7. The automatic alignment fixture of motor housing of claim 6, characterized in that: the screw rod penetrates through the central part of the pressing block and is connected with the threaded hole in the central part of the single base.

8. The automatic alignment clamp for the motor housing according to any one of claims 1 to 5, wherein: and the single base is provided with a circular truncated cone matched with the inner side surface of the motor shell.

9. The automatic alignment clamp for the motor housing according to any one of claims 1 to 5, wherein: the single base is provided with a plurality of single bases, and each single base is arranged on the bottom plate in a rectangular array.

10. The automatic alignment clamp for the motor housing according to any one of claims 1 to 5, wherein: the bottom plate is provided with a plurality of bolt holes for bolts to penetrate through and be fixed on a workbench of the machine tool.

Images