CN220271581U - Motor casing positive and negative detection mechanism - Google Patents

Abstract

The utility model relates to the field of motor production, in particular to a motor shell positive and negative detection mechanism, which comprises: the detection table is provided with a containing groove for placing the motor shell; the measuring standard component can extend into the motor casing, is abutted with the inner wall of one end of the motor casing, and is provided with a detection point; and the distance detector detects the distance between a datum point and a detection point of the distance detector when the gauge component is abutted against the inner wall of the motor casing, and the distance is used as a basis for judging whether the motor casing is put forward or put backward. When the motor casing is used, the motor casing can be placed in the accommodating groove, and for motor casings placed in the forward direction and the reverse direction, the position of the measuring mark component is different when the measuring mark component contacts the inner wall or the step of the motor casing main body, so that the distance measured by the distance detector is different, the distance can be used as a basis for judging whether the motor casing is placed in the forward direction or placed in the reverse direction, the information of the distance is butted to a control device of an automatic production system of a workshop, and the forward and reverse judgment of the motor casing can be completed.

Description

Motor casing positive and negative detection mechanism

Technical Field

The utility model belongs to the technical field of motor production, and particularly relates to a motor shell forward and reverse detection mechanism.

Background

In the production process of the motor, one step is to place and feed the motor shell after the motor shell is identified and positive and negative so as to carry out subsequent installation and end cover pressing. Referring to fig. 1, the main body of the motor casing is a cylinder, a circle of raised steps is provided at the inner side of one end of the main body, the other end has no steps, and the motor casing is distinguished to be positive or negative when being placed according to the steps up or down, for example, the steps are taken to be positive from down and are taken to be negative from up.

At present, recognition and placement of the motor shell are completed manually, however, due to the fact that the step size in the motor shell is smaller, manual detection has a certain probability of detection errors, the motor shell is reversely arranged, end cover pressing fails, material waste is caused, and the degree of automation of manual detection feeding is lower, so that labor cost is wasted.

In order to further improve the automation degree of the motor production process, a detection mechanism is needed to detect the front and the back of the motor shell and to be connected to a control device of an automatic production system of a workshop in a butt joint mode, so that the production system can automatically complete the front and the back judgment of the motor shell.

Disclosure of Invention

The embodiment of the utility model provides a motor casing forward and reverse detection mechanism, which aims to meet the butt joint requirement of a workshop production system on a motor casing automatic forward and reverse detection mechanism.

The embodiment of the utility model is realized as follows:

a motor housing positive and negative detection mechanism, comprising:

the detection table is provided with a containing groove for placing the motor shell;

the measuring standard component can extend into the motor casing and is abutted against the inner wall of one end of the motor casing, and the measuring standard component is provided with a detection point;

and the distance detector is used for detecting the distance between a datum point of the distance detector and the detection point when the gauge assembly is abutted to the inner wall of the motor casing, and the distance is used as a basis for judging whether the motor casing is put forward or put backward.

Still further, the gage assembly includes:

the detection mark can extend into the motor shell from an initial position, and the detection point is positioned on the detection mark;

the abutting driver can drive the detection target to move to abut against the inner wall of the motor shell and drive the detection target to move to the initial position;

the distance between the detection mark and the main body of the motor casing in the initial position is larger than the protruding distance of the step in the motor casing relative to the main body of the motor casing.

Further, the abutting driver is a pneumatic clamping jaw, and the detection target is fixed on one clamping finger of the pneumatic clamping jaw;

when the pneumatic clamping jaw clamps, the detection mark is in an initial position, and when the pneumatic clamping jaw is opened, the detection mark is abutted to the inner wall of the motor casing.

Still further, the gage assembly further comprises:

the telescopic driver is connected with the abutting driver and is used for driving the detection mark to extend into the motor casing from the initial position and withdraw from the motor casing.

Further, the part of the detection mark provided with the detection point is positioned outside the motor shell;

the distance detector is a laser displacement sensor, and the laser of the laser displacement sensor irradiates on the detection point.

Further, the laser of the laser displacement sensor is parallel to the movement path of the detection target driven by the abutment driver.

Furthermore, the detection table comprises a bearing surface and a positioning block fixed on the bearing surface, one side of the positioning block is provided with a notch which is used for the motor casing to enter and is matched with the motor casing in shape, and the bearing surface and the notch form the accommodating groove.

Furthermore, both ends of the opening of the notch are connected with guide surfaces, and the distance between the two guide surfaces is sequentially reduced from outside to inside.

Furthermore, an opening is formed in the bottom surface of the accommodating groove, and the measuring mark assembly extends into the motor casing from the opening.

Still further, the motor casing positive and negative detection mechanism also comprises an on-site sensor, wherein the on-site sensor is used for detecting whether the motor casing exists in the accommodating groove.

The beneficial effects achieved by the utility model are as follows:

the motor casing forward and backward detection mechanism can place the motor casing to be distinguished in the accommodating groove when in use, the gauge assembly stretches into the motor casing and is abutted against the inner wall, the distance detector detects the distance, the gauge assembly contacts the step when in forward and backward placement for the motor casing which is placed in two different modes, and the gauge assembly contacts the inner wall of the motor casing main body when in backward placement, so that the positions of the gauge assembly are different, the distance measured by the distance detector is also different, and the distance can be used as the basis for judging whether the motor casing is in forward or backward placement. The information of the distance is butted to a control device of an automatic production system of a workshop, so that the automation of the positive and negative judgment of the motor casing can be completed.

Drawings

FIG. 1 is a cross-sectional view of a motor housing in both forward and reverse positions

Fig. 2 is a schematic structural diagram of a motor casing forward and reverse detection mechanism according to an embodiment of the present utility model;

FIG. 3 is a front view of a motor housing forward and reverse detection mechanism provided by an embodiment of the present utility model;

FIG. 4 is an exploded view of a motor housing forward and reverse detection mechanism provided by an embodiment of the present utility model;

FIG. 5 is a schematic diagram of a pneumatic clamping jaw according to an embodiment of the present utility model clamped within a motor housing;

FIG. 6 is a schematic diagram of a detection mark abutting against a step when a motor casing provided by an embodiment of the present utility model is in normal position;

fig. 7 is a schematic diagram of a detection mark abutting against a main body when a motor casing is reversely placed.

Reference numerals:

1. a detection table; 11. a receiving groove; 111. a through hole; 12. a positioning block; 121. a notch; 122. a guide surface; 13. a bottom plate; 14. a side plate; 15. a carrying plate; 151. a bearing surface; 152. an opening; 16. a connecting plate; 17. a back vertical plate;

2. a gauge mark assembly; 21. detecting a mark; 211. a detection point; 22. abutting against the driver; 221. a clamping finger; 23. a telescopic drive; 231. a mounting plate;

3. a distance detector; 31. laser;

4. an in-situ sensor;

5. a motor housing; 51. a main body; 52. a step.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model. Furthermore, it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "left," "right," "horizontal," "top," "bottom," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different structures of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

According to the utility model, the measuring mark assembly is respectively contacted with the steps and the main body when the motor casing is placed forwards and reversely, so that different distances can be measured by the distance detector, the distances are used as the basis for judging the motor casing, the motor casing can be in butt joint with a control device of an automatic production system of a workshop, and the automation of the forward and reverse judgment of the motor casing can be completed.

Example 1

Referring to fig. 2, this embodiment provides a motor casing forward and reverse detection mechanism, including:

the detection table 1 is provided with a containing groove 11 for placing the motor casing 5;

the measuring standard component 2 can extend into the motor casing 5 and is abutted against the inner wall of one end of the motor casing 5, and the measuring standard component 2 is provided with a detection point 211;

the distance detector 3 detects the distance between the reference point of the distance detector 3 and the detection point 211 when the gauge assembly 2 is abutted against the inner wall of the motor casing 5, and the distance is used as a basis for judging whether the motor casing 5 is put forward or put backward.

Referring to fig. 1, in the present embodiment, the motor housing 5 may be a brushless motor housing 5, and the motor housing 5 includes a main body 51 and a step 52 provided inside one end of the main body 51. The motor casing 5 has two placement conditions, one is that the step 52 is arranged below and is used for forward placement, and the other is that the step 52 is arranged above and is used for reverse placement. The purpose of this embodiment is to detect the motor casing 5 to determine that the motor casing 5 is the reverse one.

Referring to fig. 2, the accommodating groove 11 of the detection table 1 is a position where the motor casing 5 is placed and detected, and the detection mark assembly 2 may be disposed above or below the detection table 1 so as to extend into the motor casing 5 to abut. It will be appreciated that the inspection station 1 has a planar surface for supporting the motor housing 5. The plane is provided with a positioning block 12, and the accommodating groove 11 is formed to limit the motor casing 5. It can be appreciated that when the motor casing 5 is placed in the accommodating groove 11, only the forward and reverse states are provided, and the motor casing 5 is not horizontally placed. When the motor casing 5 is put forward, the step 52 in the motor casing 5 is at the lower end, and when the motor casing 5 is put backward, the step 52 in the motor casing 5 is at the upper end.

Referring to fig. 2 to 4, in detail, the inspection station 1 includes a bottom plate 13, two opposite side plates 14 fixed to the bottom plate 13, and a loading plate 15 fixed to upper ends of the two side plates 14, and the receiving groove 11 is provided at an upper end of the loading plate 15. The distance detector 3 is connected and fixed to the side plate 14 via a connecting plate 16.

The motor housing 5 may be placed in the accommodating groove 11, and may be transported by a conveyor belt or a mechanical arm, or may be manually placed.

Referring to fig. 6 and 7, the gauge assembly 2 may extend into the motor casing 5 and abut against the inner wall of the motor casing 5. It will be appreciated that the gauge assembly 2 can be moved up and down so as to extend into the motor casing 5 from one end of the motor casing 5, and at the same time, it can also be moved in a horizontal direction so as to be able to move into abutment with the inner wall of one end of the motor casing 5. Because there are positive and negative two kinds of situations of placing of motor casing 5, consequently, two kinds of situations are also corresponding when survey mark subassembly 2 and the inner wall butt of motor casing 5. In one case, the gauge assembly 2 is abutted against the inner wall of the step 52 in the motor case 5, and in the other case, the gauge assembly 2 is abutted against the inner wall of the main body 51 of the motor case 5. The position of the label assembly 2 is different from the position of the motor casing 5, and accordingly the distance between the label assembly and the distance detector 3 is also different, so that the position of the label assembly can be judged according to different distances, and the motor casing 5 is the opposite position.

Referring to fig. 3 and 4, in the present embodiment, the measuring standard assembly 2 is located below the carrier plate 15 and between the two side plates 14, and an opening 152 is provided on the carrier plate 15, so that the measuring standard assembly 2 passes through the opening 152 upwards and protrudes into the motor casing 5 in the accommodating groove 11.

The distance detector 3 is a device for measuring a distance, and has high accuracy, and can recognize whether the measuring instrument assembly 2 has the contact step 52. The reference point of the distance detector 3 is a start point when the distance detector 3 measures, and a distance from the start point to the target (i.e., the detection point 211 in this embodiment) is a distance detected by the distance detector 3. It will be appreciated that, depending on the two different situations where the gauge block 2 contacts the step 52 or the main body 51, the distance between the reference point of the distance detector 3 and the detection point 211 is changed to be the width of the step 52, so that the distance is used as a basis for judging whether the gauge block 2 contacts the step 52.

The distance detector 3 is not used to directly measure the distance between the motor casing 5 and the inner wall of one end of the motor casing 5 in this embodiment, because the motor casing 5 has a small size, referring to fig. 3, the distance detector 3 is difficult to be placed in the motor casing 5 to directly measure, and therefore, the distance detector 3 and the measuring standard assembly 2 need to be detected by means of the measuring standard assembly 2 to determine.

The detection point 211 may be located outside the motor casing 5 or inside the motor casing 5, and when it is located inside the motor casing 5, the distance detector 3 may detect it obliquely. Preferably, referring to fig. 6, the detection point 211 is located outside the motor case 5, and the distance detector 3 and the detection point 211 are disposed opposite to each other.

In this embodiment, referring to fig. 1, 6 and 7, when the gauge assembly 2 is inserted into the motor casing 5 and then abuts against the inner wall of the lower end of the motor casing 5, the gauge is divided into two according to different placement conditions of the motor casing 5. When the distance is large, the step 52 is positioned downwards and is positively placed when the measuring mark assembly 2 is in contact with the step 52; when the distance is small, it is indicated that the gauge block 2 contacts the main body 51, and the step 52 is on the upper side, and is reversed.

In another embodiment, when the gauge assembly 2 is inserted into the motor casing 5 and then abuts against the inner wall of the upper end of the motor casing 5, the gauge is divided into two according to different placement conditions of the motor casing 5. When the distance is large, the step 52 is in reverse discharge when the measuring mark assembly 2 is in contact with the step 52; when the distance is small, it is indicated that the gauge block 2 is in contact with the main body 51, and the step 52 is located downward, so that the gauge block is in forward position.

Based on the structure, the motor casing forward and reverse detection mechanism can place the motor casing 5 with the forward and reverse to be distinguished in the accommodating groove 11 when in use, the measuring mark component 2 stretches into the motor casing 5 and is in butt joint with the inner wall, the distance detector 3 detects the distance, for the motor casing 5 with the forward and reverse different arrangement, the measuring mark component 2 contacts the step 52 when in forward arrangement, and the measuring mark component 2 contacts the inner wall of the main body 51 of the motor casing 5 when in reverse arrangement, the positions of the measuring mark component 2 are different, so that the distance measured by the distance detector 3 is also different, and the distance can be used as a basis for judging whether the motor casing 5 is in forward arrangement or in reverse arrangement. The information of the distance is connected to a control device of an automatic production system of a workshop in a butt joint mode, and then the automation of the positive and negative judgment of the motor casing 5 can be completed.

Example two

Referring to fig. 3 and 4, in the present embodiment, the index assembly 2 includes:

the detection mark 21 can extend into the motor casing 5 from an initial position, and the detection point 211 is positioned on the detection mark 21;

an abutment driver 22 that drives the detection target 21 to move to abut against the inner wall of the motor casing 5, and drives the detection target 21 to move to an initial position;

the distance between the detection mark 21 and the main body 51 of the motor casing 5 in the initial position is larger than the protruding distance of the step 52 in the motor casing 5 relative to the main body 51 of the motor casing 5.

Since the detection target 21 is a specific target detected by the distance detector 3 when the motor casing 5 is positively and negatively detected, the detection point 211 is provided on the detection target 21 in the present embodiment. The detection target 21 may be driven by other mechanisms (such as a cylinder or a linear motor) to extend into the motor casing 5.

Referring to fig. 5, when the detection target 21 is inserted into the motor casing 5, it is located at an initial position where a safety distance between the detection target 21 and the inner wall of the main body 51 of the motor casing 5 is greater than a distance of the step 52 protruding with respect to the main body 51 of the motor casing 5, that is, it is understood that the safety distance between the detection target 21 and the inner wall of the main body 51 of the motor casing 5 is greater than a width of the step 52. Therefore, it is ensured that the step 52 of the motor casing 5 is not touched during the insertion of the detection mark 21 into the motor casing 5, resulting in the motor casing 5 coming out of the accommodation groove 11.

Referring to fig. 3 and 4, the abutment driver 22 is a mechanism for driving the movement of the detection target 21, and the movement locus of the detection target 21 may be a horizontal linear movement. After the detection target 21 reaches the initial position, the detection target 21 is driven by the abutment driver 22 to move to abut against the inner wall of the motor casing 5.

After the abutment, the abutment driver 22 stops driving, and the distance detector 3 measures the distance between the reference point of itself and the detection point 211 on the detection target 21.

After the distance is measured, the abutting driver 22 is started again, the detection mark 21 is driven to translate again to return to the initial position, the detection mark 21 is withdrawn from the motor casing 5 from the initial position, so that after the front and back of the motor casing 5 are judged, other carrying mechanisms take away the motor casing 5 in the accommodating groove 11, and according to the front and back conditions of the motor casing 5, all the motor casings 5 are adjusted to be positive before being placed on the next station.

With the above-described structure, it is possible to achieve safe penetration and withdrawal of the detection mark 21 into and from the electrode case, and movement to abutment with the step 52 or the inner wall of the main body 51.

Example III

Referring to fig. 4, in the present embodiment, the abutment driver 22 is a pneumatic clamping jaw, and the detection target 21 is fixed on one of the clamping fingers 221 on the pneumatic clamping jaw;

referring to fig. 5, when the pneumatic clamping jaw is clamped, the detection mark 21 is in the initial position, and when the pneumatic clamping jaw is opened, the detection mark 21 abuts against the inner wall of the motor casing 5.

That is, in this embodiment, the detection target 21 is driven to move by a pneumatic gripper. The switching of the detection mark 21 between the initial position and the abutment with the inner wall of the motor housing 5 is achieved by the opening and closing of the pneumatic clamping jaw.

It will be appreciated that with reference to fig. 5, the pneumatic clamping jaw also moves up and down together as the test flag 21 extends into the motor housing 5. Or, the pneumatic clamping jaw moves up and down, so that the detection mark 21 extends into the motor casing 5 or withdraws from the motor casing 5. That is, the pneumatic clamping jaws are in the clamping state when moving up and down, so as to avoid the detection mark 21 touching the step 52. After the detection target 21 enters the motor casing 5, the pneumatic clamping jaw is opened, so that the detection target 21 abuts against the step 52 or the inner wall of the main body 51, and the distance is measured by the distance detector 3.

In this embodiment, referring to fig. 4, two detection marks 21 are provided and are respectively installed on two clamping fingers 221 of the pneumatic clamping jaw, and when the clamping jaw is started to open, the two detection marks 21 are abutted against the motor casing 5, so that the motor casing 5 is supported tightly to two sides, and when the detection distance is avoided, the motor casing 5 is deflected due to the stress of one side, and the measurement result is affected. Of course, the distance detector 3 only needs to measure the same detection target 21 at the time of measurement.

Example IV

Referring to fig. 4, in this embodiment, the measuring instrument assembly 2 further includes:

the telescopic driver 23 is connected with the abutting driver 22, and the telescopic driver 23 is used for driving the detection target 21 to extend into the motor casing 5 from an initial position and withdraw from the motor casing 5.

The telescopic driver 23 is a member for driving the detection target 21 into and out of the motor casing 5. When the telescopic driving is performed, the detection targets 21 are all in the initial position, so that collision with the steps 52 during telescopic movement is avoided.

Therefore, when the abutting driver 22 is a pneumatic jaw, the telescopic driver 23 is in a clamped state when telescopic.

After the telescopic drive 23 is extended, the test flag 21 is located within the motor housing 5, and the pneumatic jaws can be opened to bring the test flag 21 into abutment with the step 52 or the body 51.

Specifically, the telescopic actuator 23 may be a cylinder, a linear motor, or the like, which can linearly expand and contract. In the present embodiment, the telescopic actuator 23 is a cylinder.

In this embodiment, the carrying platform further comprises a back upright plate 17 fixed on the bottom plate 13 and located behind the two side plates 14, the telescopic actuator 23 is only fixed on the back upright plate 17, the telescopic actuator 23 has a mounting plate 231 thereon, and the abutting actuator 22 is fixed on the mounting plate 231 of the telescopic actuator 23.

Example five

Referring to fig. 4, 6 and 7, in the present embodiment, a portion of the detection mark 21 provided with the detection point 211 is located outside the motor casing 5;

the distance detector 3 is a laser displacement sensor, and the laser 31 of the laser displacement sensor is irradiated on the detection point 211.

In order to facilitate the detection of the detection mark 21 by the laser displacement sensor, a portion provided with the detection point 211 is provided outside the motor casing 5. I.e. when a part of the detection mark 21 protrudes into the motor housing 5, and another part is exposed outside the motor housing 5. So that the laser light 31 of the laser displacement sensor can be irradiated on the detection point 211.

In this embodiment, a laser displacement sensor is used as the distance detector 3, and because of its high measurement accuracy, the presence or absence of the step 52 can be clearly distinguished, thereby achieving accurate judgment.

It will be appreciated that the laser displacement sensor may be mounted on one side of the test table 1 using a bracket to provide for the detection of the test marks 21.

Example six

Referring to fig. 3, in the present embodiment, the laser light 31 of the laser displacement sensor is parallel to the movement path of the detection target 21 driven by the abutment driver 22.

The abutment driver 22 drives the detection target 21 to perform horizontal linear motion between the initial position and the position abutting against the inner wall of the motor casing 5, for example, when the pneumatic clamping jaw is clamped and opened, the laser 31 of the laser displacement sensor can measure the maximum distance when being parallel to the moving path of the detection target 21, if the laser 31 has an included angle with the moving path of the detection target 21, the position of the detection target 21 when in abutment is different, the position of the laser 31 striking the detection point 211 is offset, the measurement deviation is larger, and the accuracy of judgment after the measurement structure is affected.

Example seven

Referring to fig. 2, in the present embodiment, the detection platform 1 includes a bearing surface 151 and a positioning block 12 fixed on the bearing surface 151, one side of the positioning block 12 has a notch 121, which is adapted to the shape of the motor casing 5 and into which the power supply casing 5 enters, and the bearing surface 151 and the notch 121 form a receiving groove 11.

The notch 121 and the film of the bearing surface 151 form the accommodating groove 11, and therefore, one side of the accommodating groove 11 is opened, the motor casing 5 can be put in from the opening 152 on the one side, for example, the motor casings 5 aligned with the notch 121 can be put in the accommodating groove 11 by conveying the plurality of motor casings 5 together to the notch 121 through a conveying belt, and thus, distance detection can be performed.

It will be appreciated that the motor housing 5 is generally cylindrical and that the notch 121 is arranged in a semi-circular configuration for ease of access to the motor housing 5.

Example eight

Referring to fig. 4, in the present embodiment, two ends of the opening 152 of the notch 121 are connected with the guide surfaces 122, and the distance between the two guide surfaces 122 decreases from outside to inside.

The opening 152 of the notch 121 may be accessed by the power supply casing 5, so that the power supply casing 5 can be automatically guided into the accommodating groove 11 under the driving of the conveying belt, and in this embodiment, the guiding surface 122 is disposed at the opening 152 of the notch 121. Because the interval of two guide surfaces 122 reduces from outside to inside in proper order, after motor casing 5 enters into between the guide surfaces 122, the conveyer belt behind continues to carry motor casing 5, pushes away each other between the motor casing 5, can push away motor casing 5 along guide surface 122 constantly forward, enters into accommodation groove 11 to can carry out positive and negative detection.

Specifically, the guide surface 122 is also provided on the positioning block 12.

Example nine

Referring to fig. 4, in the present embodiment, an opening 152 is provided at the bottom surface of the accommodating groove 11, and the measuring scale assembly 2 extends into the motor casing 5 from the opening 152.

That is, in this embodiment, the gauge assembly 2 is retracted up and down into the motor casing 5. Specifically, the motor casing 5 enters the accommodating groove 11, and at this time, the gauge assembly 2 is located below the opening 152, and is driven by the telescopic driver 23 to extend upwards, pass through the opening 152, extend into the motor casing 5, then move laterally, abut against the inner wall of the motor casing 5, and then detect the distance by the distance detector 3.

In one embodiment, the abutment driver 22 is a pneumatic jaw. Thus, the opening 152 may be rectangular in shape and may allow two fingers 221 of the pneumatic jaw to pass through and open and clamp. That is, the width of the opening 152 should be greater than the width of the finger 221 after opening.

Examples ten

Referring to fig. 2 and 4, in the present embodiment, the motor casing forward and reverse detection mechanism further includes an in-position sensor 4, where the in-position sensor 4 is used to detect whether the motor casing 5 exists in the accommodating groove 11.

Only when the motor casing 5 is arranged in the accommodating groove 11, the forward and reverse detection is needed, otherwise, the energy is wasted. Therefore, the present embodiment provides the presence sensor 4 to detect the presence or absence of the motor case 5 in the accommodation groove 11.

In this case, the on-position sensor 4 may be implemented in various ways, for example, a displacement sensor is used for the on-position sensor 4, and the judgment can be made by having the motor casing 5 and not having the motor casing 5 different from the displacement sensor. For example, when the proximity switch is used in the position sensor 4 and the proximity switch is triggered after the motor casing 5 completely enters the accommodating groove 11, it can be confirmed that the motor casing 5 is present in the accommodating groove 11, and if the proximity switch is not triggered, the motor casing 5 is not present in the accommodating groove 11.

In this embodiment, the in-place sensor 4 is a proximity switch, a through hole 111 is provided on the inner wall of the accommodating groove 11, the proximity switch is installed in the through hole 111, and a power supply and a signal line connected to the proximity switch are all extended from the through hole 111.

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

Furthermore, the foregoing description of the preferred embodiment of the utility model is provided for the purpose of illustration only, and is not intended to limit the utility model to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims (10)

1. Positive and negative detection mechanism of motor casing, its characterized in that includes:

the detection table is provided with a containing groove for placing the motor shell;

the measuring standard component can extend into the motor casing and is abutted against the inner wall of one end of the motor casing, and the measuring standard component is provided with a detection point;

and the distance detector is used for detecting the distance between a datum point of the distance detector and the detection point when the gauge assembly is abutted to the inner wall of the motor casing, and the distance is used as a basis for judging whether the motor casing is put forward or put backward.

2. The motor housing positive and negative detection mechanism of claim 1, wherein the gauge assembly comprises:

the detection mark can extend into the motor shell from an initial position, and the detection point is positioned on the detection mark;

the abutting driver can drive the detection target to move to abut against the inner wall of the motor shell and drive the detection target to move to the initial position;

the distance between the detection mark and the main body of the motor casing in the initial position is larger than the protruding distance of the step in the motor casing relative to the main body of the motor casing.

3. The motor casing forward and reverse detection mechanism according to claim 2, wherein the abutting driver is a pneumatic clamping jaw, and the detection target is fixed on one of clamping fingers on the pneumatic clamping jaw;

when the pneumatic clamping jaw clamps, the detection mark is in an initial position, and when the pneumatic clamping jaw is opened, the detection mark is abutted to the inner wall of the motor casing.

4. A motor housing positive and negative detection mechanism according to claim 2 or 3, wherein the gauge assembly further comprises:

the telescopic driver is connected with the abutting driver and is used for driving the detection mark to extend into the motor casing from the initial position and withdraw from the motor casing.

5. The motor casing forward and reverse detection mechanism according to claim 2, wherein the portion of the detection mark provided with the detection point is located outside the motor casing;

the distance detector is a laser displacement sensor, and the laser of the laser displacement sensor irradiates on the detection point.

6. The motor housing forward and reverse detection mechanism according to claim 5, wherein the laser of the laser displacement sensor is parallel to a moving path of the detection target driven by the abutment driver.

7. The motor casing forward and reverse detection mechanism according to claim 1, wherein the detection table comprises a bearing surface and a positioning block fixed on the bearing surface, one side of the positioning block is provided with a notch which is used for the motor casing to enter and is matched with the motor casing in shape, and the bearing surface and the notch form the accommodating groove.

8. The motor casing forward and reverse detection mechanism according to claim 7, wherein both ends of the opening of the notch are connected with guide surfaces, and the distance between the two guide surfaces is sequentially reduced from outside to inside.

9. The motor casing forward and reverse detection mechanism according to claim 1, wherein an opening is formed in the bottom surface of the accommodating groove, and the measuring mark assembly extends into the motor casing from the opening.

10. The motor housing forward and reverse detection mechanism according to claim 1, further comprising an in-situ sensor for detecting whether the motor housing is in the accommodating groove.