CN221575968U

CN221575968U - Bottom mirror vision system and chip mounter

Info

Publication number: CN221575968U
Application number: CN202323574842.1U
Authority: CN
Inventors: 张延忠; 赵登宇; 赵永先; 邓燕
Original assignee: Taimurui Beijing Precision Technology Co ltd
Current assignee: Taimurui Beijing Precision Technology Co ltd
Priority date: 2023-12-27
Filing date: 2023-12-27
Publication date: 2024-08-20
Anticipated expiration: 2033-12-27

Abstract

The utility model relates to the technical field of chip mounters, and provides a bottom mirror vision system which comprises a camera, a prism module, a first mounting plate, a second driving mechanism and a sliding mechanism, wherein the first mounting plate is connected with the prism module; the second mounting plate is fixed on the surface mount device base and is provided with a guide rail, the sliding mechanism is arranged on the guide rail of the second mounting plate in a sliding mode, the first mounting plate is fixedly arranged on the sliding mechanism, the camera is arranged on the first mounting plate, and the prism module is arranged in front of a lens of the camera. Can be attached to small size and has good attaching precision.

Description

Bottom mirror vision system and chip mounter

Technical Field

The utility model relates to the technical field of chip mounters, in particular to a bottom mirror vision system and a chip mounter.

Background

The chip mounter is mainly used for completing the mounting work of electronic components in the field of electronic mounting equipment. The automatic mounting device comprises a mounting head, a computer auxiliary control system, a corresponding positioning system, a suction pen rod, a driving system and a computer auxiliary control system, wherein the computer auxiliary control system and the corresponding positioning system are used for accurately positioning the mounting head in the operation process, the electronic components on the automatic feeder are automatically picked up through the suction pen rod on the mounting head, and then the electronic components are driven by the driving system to be accurately mounted on the corresponding positions of a target circuit board, so that the automatic mounting of the electronic components with different shapes and specifications is repeatedly completed continuously.

The chip mounter in the prior art cannot be mounted in a small size, and the mounting accuracy is poor.

Disclosure of Invention

The utility model provides a bottom mirror vision system which is used for solving the problems that in the prior art, a small-size can not be mounted and the mounting accuracy is poor.

A bottom mirror vision system comprises a camera, a prism module, a first mounting plate, a second mounting plate, a first in-place sensor of a second driving mechanism, a second in-place sensor, a third in-place sensor and a sliding mechanism; the second mounting plate is fixed on the surface mount device base and is provided with a guide rail, the sliding mechanism is arranged on the guide rail of the second mounting plate in a sliding mode, the first mounting plate is fixedly arranged on the sliding mechanism, the camera is arranged on the first mounting plate, the prism module is arranged in front of a lens of the camera, the first in-place sensor and the third in-place sensor are arranged on two sides of the guide rail of the second mounting plate in the moving direction for limiting, the second in-place sensor is arranged near the third in-place sensor and is arranged back to back, and the second driving mechanism is used for determining that the second sensor is used as an origin for moving. According to the bottom mirror vision system of the present utility model, the prism module includes an adjusting plate, a first light source, a second light source, a first prism mounting plate, a second prism mounting plate, and a prism; the utility model discloses a prism, including adjusting plate, first prism mounting panel, second prism mounting panel, adjusting plate top is provided with first light source, the adjusting plate below sets up the second light source, the adjusting plate is the U-shaped and sets up circular through-hole from top to bottom, the adjusting plate middle part is provided with the prism, the both sides of prism are provided with first prism mounting panel with the second prism mounting panel, first light source with the second light source shines on the prism.

According to the bottom mirror vision system, grooves are formed in the middle of the first prism mounting plate and the middle of the second prism mounting plate, and the grooves are used for fixing the prisms.

The bottom mirror vision system provided by the utility model further comprises a first optical glass and a second optical glass, wherein the first optical glass is arranged above the prism module, and the second optical glass is arranged below the prism module.

The bottom mirror vision system according to the present utility model further comprises a first driving mechanism, and the first driving mechanism is disposed behind the camera.

The bottom mirror vision system provided by the utility model further comprises a first grating ruler, a second grating ruler and two grating ruler displacement sensors; the two grating ruler displacement sensors are respectively arranged on the first grating ruler and the second grating ruler, and the grating ruler displacement sensors are respectively driven by the first driving mechanism and the second driving mechanism.

According to the bottom mirror vision system of the present utility model, the camera is a tele camera.

A chip mounter comprises the bottom mirror vision system.

The utility model has the beneficial effects that:

1. The camera adopts a long-zoom camera, is suitable for small-size patches, is also suitable for large-size patches, and has high patch precision and wider application range.

2. The prism module is adopted, so that the situation that the camera with long zoom cannot be placed below the chip mounter due to overlarge volume is avoided, the camera with long zoom can be horizontally placed by adopting the prism module to photograph the chip mounter, and the compact layout of the chip mounter is realized.

3. The camera position is adjusted by adopting the first guide rail, the first optical glass is moved to the lower part of the center of the patch head, and the focal length of the camera is adjusted by the second guide rail, so that the photographing definition is improved, the alignment time is shortened, the alignment precision is high, and the patch precision is high.

4. And a second sensor is arranged adjacent to the third sensor, the second sensor is arranged to move by taking the second sensor as an origin reference, and the arrangement of the second sensor ensures high-precision alignment of the patch head and the workpiece.

5. The first in-place sensor and the third in-place sensor are limit sensors, so that the maximum running distance of the sliding mechanism is limited, and the running safety of the whole bottom mirror vision system is ensured.

6. The annular first light source and the annular second light source are arranged up and down, so that the condensing effect is good, the brightness is high, photographing is clearer, and the mounting efficiency is high.

7. The prism groove can fix the prism, and the groove height can be set according to the lens height of the tele camera, so that the prism is set at the optimal height, and the optimal photographing effect is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a bottom mirror system 1;

FIG. 2 is a schematic perspective view of the bottom mirror system 2;

FIG. 3 is a schematic perspective view of a prism module;

FIG. 4 is a schematic perspective view of a second prism mounting plate;

reference numerals: 1. a tele camera; 2. a prism module; 3. a first driving mechanism; 4. a first mounting plate; 5. a camera mounting plate; 6. a second driving mechanism; 7. a second mounting plate; 8. a sliding mechanism; 9. a first optical glass; 10. a second optical glass; 11. a first grating scale; 12. a second grating scale; 13. a first in-place sensor; 14. a second in-place sensor; 15. a third in-place sensor; 21. a first light source; 22. an adjusting plate; 23. a first prism mounting plate; 24. a second prism mounting plate; 25. a prism; 26. a second light source; 251. prism grooves.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the apparatus 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 embodiments of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.

In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., 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 embodiments of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed 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. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

A bottom mirror vision system according to an embodiment of the present utility model is described below with reference to fig. 1 to 4, and includes a camera 1, a prism module 2, a first mounting plate 4, a second mounting plate 7, a second driving mechanism 6, and a sliding mechanism 8; the second mounting plate 7 is fixed on the chip mounter base and is provided with a guide rail, the sliding mechanism 8 is arranged on the guide rail of the second mounting plate 7 in a sliding manner, the first mounting plate 4 is fixedly arranged on the sliding mechanism 8, the camera 1 is arranged on the first mounting plate 4, and the prism module 2 is arranged in front of the lens of the camera 1. The camera 1 is a tele camera 1. The camera 1 adopts the camera 1 with long zoom, is applicable to small-size patches and large-size patches, and has high patch precision and wider application range.

In the present embodiment, the prism module 2 includes an adjustment plate 22, a first light source 21, a second light source 26, a first prism mounting plate 23, a second prism mounting plate 24, and a prism 25; the adjusting plate 22 top is provided with first light source 21, and adjusting plate 22 below sets up second light source 26, and adjusting plate 22 is the U-shaped and sets up circular through-hole from top to bottom, and adjusting plate 22 middle part is provided with prism 25, and the both sides of prism 25 are provided with first prism mounting panel 23 and second prism mounting panel 24, and first light source 21 and second light source 26 shines on prism 25. The prism module 2 is adopted, so that the situation that the camera with long zoom cannot be placed below the chip mounter due to overlarge volume is avoided, the prism module 2 is adopted, the camera with long zoom can be horizontally placed to photograph the chip mounter, and the compact layout of the chip mounter is realized. The annular first light source 21 and the annular second light source 26 are arranged up and down, so that the condensing effect is good, the brightness is high, the photographing is clearer, and the mounting efficiency is high.

In the above embodiment, the first prism mounting plate 23 and the second prism mounting plate 24 are provided with the groove 251 in the middle, the groove 251 is the prism groove 251, and the groove 251 is used for fixing the prism 25. The prism groove 251 can fix the prism 25, and the prism 25 can be set at the optimal height according to the height of the lens of the tele camera, so as to achieve the optimal photographing effect.

In the above embodiment, the first optical glass 9 and the second optical glass 10 are further included, the first optical glass 9 being disposed above the prism module 2, and the second optical glass 10 being disposed below the prism module 2.

In the above embodiment, the first driving mechanism 3 is further included, and the first driving mechanism 3 is provided behind the tele camera 1. The first driving mechanism 3 drives the camera 1 to move to adjust the focal length of the camera 1 on the second guide rail, so that photographing definition is improved, alignment time is shortened, alignment precision is high, and accordingly the patch precision is high.

In the above embodiment, the first in-place sensor 13, the second in-place sensor 14, and the third in-place sensor 15 are further included; the first in-place sensor 13 and the third in-place sensor 15 are disposed on both sides of the second mounting plate 7 in the guide rail moving direction to limit the movement, the second in-place sensor 14 is disposed in the vicinity of the third in-place sensor 15 to face away from the first in-place sensor, and the second driving mechanism 6 determines to move with the second in-place sensor 14 as the origin. The first in-place sensor 13 and the third in-place sensor 15 are limit sensors, limit the maximum running distance of the sliding mechanism 8, and ensure the running safety of the whole bottom mirror vision system.

In the above embodiment, the first grating scale 11, the second grating scale 12, and two grating scale displacement sensors are further included; two grating scale displacement sensors are respectively arranged on the first grating scale 11 and the second grating scale 12, and the grating scale displacement sensors are respectively driven by the first driving mechanism 3 and the second driving mechanism 6.

A chip mounter comprises the bottom mirror vision system.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The bottom mirror vision system is characterized by comprising a camera, a prism module, a first mounting plate, a second driving mechanism, a first in-place sensor, a second in-place sensor, a third in-place sensor and a sliding mechanism; the second mounting plate is fixed on the surface mount device base and is provided with a guide rail, the sliding mechanism is arranged on the guide rail of the second mounting plate in a sliding mode, the first mounting plate is fixedly arranged on the sliding mechanism, the camera is arranged on the first mounting plate, the prism module is arranged in front of a lens of the camera, the first in-place sensor and the third in-place sensor are arranged on two sides of the guide rail of the second mounting plate in a moving direction to limit, and the second in-place sensor is arranged near the third in-place sensor and is arranged in a back-to-back mode.

2. The bottom mirror vision system of claim 1, wherein the prism module comprises an adjustment plate, a first light source, a second light source, a first prism mounting plate, a second prism mounting plate, and a prism; the utility model discloses a prism, including adjusting plate, first prism mounting panel, second prism mounting panel, adjusting plate top is provided with first light source, the adjusting plate below sets up the second light source, the adjusting plate is the U-shaped and sets up circular through-hole from top to bottom, the adjusting plate middle part is provided with the prism, the both sides of prism are provided with first prism mounting panel with the second prism mounting panel, first light source with the second light source shines on the prism.

3. The bottom mirror vision system of claim 2, wherein the first prism mounting plate and the second prism mounting plate are centrally provided with a groove for securing the prism.

4. The bottom mirror vision system of claim 2, further comprising a first optical glass disposed above the prism module and a second optical glass disposed below the prism module.

5. The bottom mirror vision system of claim 1, further comprising a first drive mechanism disposed behind the camera.

6. The bottom mirror vision system of claim 5, further comprising a first grating scale, a second grating scale, two grating scale displacement sensors; the two grating ruler displacement sensors are respectively arranged on the first grating ruler and the second grating ruler, and the grating ruler displacement sensors are respectively driven by the first driving mechanism and the second driving mechanism.

7. The bottom mirror vision system of claim 1, wherein the camera is a tele camera.

8. A chip mounter comprising a bottom mirror vision system as claimed in any of the preceding claims 1-7.