CN215363635U

CN215363635U - Automatic Tray feeding mechanism for SMT (surface mount technology) processing

Info

Publication number: CN215363635U
Application number: CN202120836027.XU
Authority: CN
Inventors: 刘峰
Original assignee: Suzhou Fengzhijian Precision Equipment Co ltd
Current assignee: Suzhou Fengzhijian Precision Equipment Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-12-31
Anticipated expiration: 2031-04-22

Abstract

The utility model relates to an automatic Tray feeding mechanism for SMT (surface mount technology) processing, which comprises a rack, wherein a feeding station, a discharging station and a left and right carrying mechanism are arranged on the rack, an upper conveying mechanism and a lower conveying mechanism are respectively arranged on the feeding station and the discharging station, the upper conveying mechanism and the lower conveying mechanism are used for driving a Tray to move up and down to complete feeding and discharging of the Tray, the left and right carrying mechanism comprises a rodless cylinder, a linear rail, a supporting frame and a sucker, the linear rail is fixed on the rack, the supporting frame is slidably arranged on the linear rail, the rodless cylinder is connected with the supporting frame and can drive the supporting frame to slide along the linear rail, and the sucker is fixed on the supporting frame. The automatic loading and unloading operation of the Tray disc is completed by utilizing the mutual matching of the up-down conveying mechanism and the left-right conveying mechanism, so that the qualification rate and the production efficiency of products are improved.

Description

Automatic Tray feeding mechanism for SMT (surface mount technology) processing

Technical Field

The utility model relates to a feeding mechanism, in particular to an automatic Tray feeding mechanism for SMT (surface mount technology) processing.

Background

SMT is a Surface mounting Technology (Surface Mount Technology), which is called Surface Mount Technology entirely and is the most popular Technology and process in the electronic assembly industry. In the SMT processing process, larger electronic products are conveyed through a Tray disc, and the Tray disc is manually used for loading and unloading operation at present, so that the SMT processing method has the following defects: low efficiency, high labor cost and poor operational consistency.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides the automatic Tray feeding mechanism for the SMT processing, which utilizes the mutual cooperation of the vertical conveying mechanism and the left and right conveying mechanism to complete the automatic loading and unloading operation of the Tray, and improves the qualification rate and the production efficiency of products.

The technical scheme adopted by the utility model for solving the technical problem is as follows:

a Tray automatic feeding mechanism for SMT processing comprises a frame 10, wherein a feeding station, a discharging station and a left and right carrying mechanism are arranged on the frame, the loading station and the unloading station are respectively provided with an upper conveying mechanism and a lower conveying mechanism, the upper conveying mechanism and the lower conveying mechanism are used for driving the Tray disc to move up and down to complete the loading and unloading of the Tray disc, the left and right carrying mechanisms comprise rodless cylinders, linear rails, a supporting frame and suckers, the linear rails are fixed on the rack, the support frame is slidably arranged on the linear rail, the rodless cylinder is connected to the support frame and can drive the support frame to slide along the linear rail, the sucker is fixed on the supporting frame, and is used for sucking the empty Tray in the upper and lower conveying mechanisms of the feeding station during operation, and the Tray disk is conveyed to an upper conveying mechanism and a lower conveying mechanism of a blanking station through a rodless cylinder.

Preferably, the upper and lower conveying mechanism comprises a stepping motor, a screw rod, a screw nut and a supporting plate, the supporting plate is used for placing a Tray disc, the screw nut is in threaded connection with the screw rod, the supporting plate is fixedly connected with the screw nut, the screw rod is vertically installed on the rack, and the stepping motor is connected with the screw rod and can drive the screw rod to rotate so as to drive the screw nut and the supporting plate to move up and down.

Preferably, the upper and lower conveying mechanism further comprises a guide rod, the machine frames on two sides of the screw rod are respectively provided with one guide rod, the guide rods are arranged in parallel with the screw rod, and two sides of the supporting plate are respectively sleeved on the guide rods through a sleeve.

Preferably, the upper and lower conveying mechanism is further provided with a correlation sensing optical fiber, and the correlation sensing optical fiber is used for detecting products in the Tray.

Preferably, the line rail is horizontally arranged along the length direction of the rack and penetrates through the feeding station and the discharging station, the support frame is slidably mounted on the line rail through a sliding block, a sucker frame is arranged on the support frame and comprises a connecting rod, two ends of the connecting rod are respectively and fixedly connected with a supporting rod, and two ends of the supporting rod are respectively and fixedly provided with a sucker.

Preferably, a vacuum inspection device is arranged on the supporting frame and used for monitoring whether the suction disc sucks the Tray disc or not.

Preferably, the lower end of the rack is fixedly provided with a bottom plate, the upper end of the rack is fixedly provided with a positioning block, and the positioning block is used for fixing a Tray disc on the upper and lower conveying mechanism.

The utility model has the beneficial effects that: the automatic loading and unloading device mainly comprises a rack, an upper and lower conveying mechanism and a left and right carrying mechanism, wherein the upper and lower conveying mechanism drives a Tray disc to move up and down, so that the Tray disc is conveyed to a preset loading position or a preset unloading position to complete the automatic loading and unloading operation of the Tray disc, and the left and right carrying mechanism is used for carrying an empty Tray disc at a loading station into the upper and lower conveying mechanism at an unloading station; the upper and lower conveying mechanisms move the Tray disc up and down by using the combination of the stepping motor and the lead screw, the operation is stable and accurate, the left and right conveying mechanisms can carry the empty Tray disc horizontally and stably by using the rodless cylinder to match with the linear rail, and the operation stability of the mechanism is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the up-down conveying mechanism of the present invention;

FIG. 3 is a schematic structural view of the left and right carrying mechanism according to the present invention;

in the figure: 10-a rack, 11-a loading station, 12-a blanking station, 13-a positioning block, 20-an up-and-down conveying mechanism, 21-a stepping motor, 22-a screw rod, 23-a supporting plate, 24-a guide rod, 25-an opposite-emitting induction optical fiber, 30-a left-and-right conveying mechanism, 31-a rodless cylinder, 32-a linear rail, 33-a supporting frame, 34-a sucker, 35-a vacuum inspection device, 36-a sucker frame and 40-a Tray.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Example (b): as shown in fig. 1-3, an automatic Tray feeding mechanism for SMT processing comprises a frame 10, wherein a loading station 11, a unloading station 12, and a left and right conveying mechanism 30 are disposed on the frame 10, the loading station 11 and the unloading station 12 are respectively provided with an upper and a lower conveying mechanism 20, the upper and lower conveying mechanisms 20 are used for driving a Tray 40 to move up and down to complete loading and unloading of the Tray, the left and right conveying mechanisms 30 comprise a rodless cylinder 31, a linear rail 32, a support frame 33, and a suction cup 34, the linear rail 32 is fixed on the frame 10, the support frame 33 is slidably mounted on the linear rail 32, the rodless cylinder 31 is connected to the support frame 33 and can drive the support frame to slide along the linear rail 32, the suction cup 34 is fixed on the support frame 33, and during operation, the suction cup 34 is used for sucking an empty Tray 40 in the upper and lower conveying mechanisms 20 of the loading station 11, and the Tray 40 is conveyed to the upper and lower conveying mechanism 20 of the blanking station by the rodless cylinder 31.

The utility model is used for completing automatic loading and unloading operation of Tray discs in the SMT processing process, a loading station 11 and a unloading station 12 are arranged in a mechanism, the loading station and the unloading station can be interchanged naturally, the loading station and the unloading station are designated in the embodiment for clearly describing the mechanism, the loading station 11 and the unloading station 12 are arranged in a rack 10 from left to right, in the embodiment, a left station is defined as the loading station 11, a right station is defined as the unloading station 12, two up-down conveying mechanisms 20 are respectively arranged on the left sides of the loading station 11 and the unloading station 12 and are responsible for vertically conveying Tray discs 40, the left-right conveying mechanisms 30 are arranged on the upper part of the rack and are arranged along the length direction of the rack (namely the left-right direction), the left-right conveying mechanisms 30 are responsible for conveying empty Tray discs in the loading station 11 to the up-down conveying mechanisms 20 of the unloading station, during operation, the upper and lower conveying mechanisms 20 on the loading station 11 move to the lower end of the rack, the Tray discs filled with materials are placed on the upper and lower conveying mechanisms 20, the upper and lower conveying mechanisms 20 convey the Tray discs filled with the materials to the preset position above the rack to complete loading operation of the Tray discs, after all the materials are used up, the left and right conveying mechanisms 30 suck the empty Tray discs through the suckers 34 and convey the empty Tray discs to the upper and lower conveying mechanisms 20 of the unloading station 12, and the upper and lower conveying mechanisms 20 convey the empty Tray discs to the preset unloading position below the rack to complete unloading operation of the Tray discs.

A bottom plate is fixedly installed at the lower end of the rack 10, a positioning block 13 is fixedly installed at the upper end of the rack, and the positioning block 13 is used for fixing a Tray disk 40 on the up-and-down conveying mechanism 20. The position of the Tray disc is further positioned through the positioning block 13, so that the Tray disc is maintained at a fixed position every time when being loaded, and the acquisition of materials is facilitated.

As shown in fig. 2, the up-and-down conveying mechanism 20 includes a stepping motor 21, a lead screw 22, a lead screw nut, and a supporting plate 23, the supporting plate 23 is used for placing a Tray disk 40, the lead screw nut is screwed to the lead screw 22, the supporting plate 23 is fixedly connected to the lead screw nut, the lead screw 22 is vertically installed on the rack 10, and the stepping motor 21 is connected to the lead screw 22 and can drive the lead screw to rotate, so as to drive the lead screw nut and the supporting plate 23 to move up and down. The up-and-down conveying mechanism 20 further comprises guide rods 24, the guide rods 24 are respectively arranged on the rack 10 on two sides of the screw rod 22, the guide rods 24 are arranged in parallel with the screw rod 22, and two sides of the supporting plate 23 are respectively sleeved on the guide rods 24 through a sleeve. The lead screw 22 and the guide rod 24 are vertically arranged on the rack 10 on the left side of the feeding station and the discharging station, when the stepping motor 21 drives the lead screw 22 to rotate, the lead screw nut moves up and down along the lead screw, and the supporting disk 23 fixedly installed on the lead screw nut is driven to slide up and down along the guide rod 24, so that the feeding and discharging operation of a Tray disk on the supporting disk is completed.

And the upper and lower conveying mechanisms 20 are also provided with correlation sensing optical fibers 25, and the correlation sensing optical fibers 25 are used for detecting products in the Tray. The bijection sensing optical fiber 25 can monitor the incoming material condition, and sends out an alarm signal when no material is found, so that the staff is reminded to handle in time, and the damage to the Tray disk is avoided.

As shown in fig. 3, the wire rail 32 is horizontally arranged along the length direction of the frame 10 and penetrates through the feeding station 11 and the discharging station 12, the supporting frame 33 is slidably mounted on the wire rail 32 through a sliding block, a suction cup frame 36 is arranged on the supporting frame 33, the suction cup frame 36 includes a connecting rod, two ends of the connecting rod are respectively and fixedly connected with a supporting rod, and two ends of the supporting rod are respectively and fixedly mounted with a suction cup 34. The support frame 33 is provided with a vacuum checking device 35, and the vacuum checking device 35 is used for monitoring whether the suction disc 34 sucks the Tray disc or not. The sucker frame 36 is integrally in an I-shaped structure, the connecting rod is horizontally connected to the supporting frame 33, the two supporting rods are horizontally fixed on the connecting rod, the supporting rods are vertically arranged with the connecting rod, the sucker 34 is fixedly arranged in the mounting groove of the supporting rods, the supporting groove is a long circular hole, and the mounting position of the sucker 34 can be adjusted as required; the vacuum inspection device 35 judges whether the suction disc absorbs the Tray disc or not by monitoring the vacuum degree of the suction disc 34, and sends out an alarm signal to remind an operator if detecting that the suction disc 34 does not absorb the Tray disc.

The operation process of the utility model is as follows: the method comprises the following steps:

the method comprises the following steps: the support plate 23 is conveyed to a preset feeding position through the stepping motor 21 of the feeding station, then the Tray plate 40 filled with products is stacked on the support plate 23, and the position of the support plate 23 is adjusted through the stepping motor 21 so that the Tray plate on the uppermost layer is lifted to the preset taking position;

step two: after all the products in the Tray disc on the uppermost layer are taken away by an external mechanism, the rodless cylinder 31 drives the suction disc 34 to move to the empty Tray disc position of the feeding station, and the external vacuumizing mechanism vacuumizes to enable the suction disc 34 to suck the empty Tray disc 40 and convey the Tray disc to the supporting disc 23 on the feeding station;

step three: and (3) moving the stepping motor 21 at the feeding station upwards for one grid to enable the next Tray to ascend to a preset material taking position, repeating the action of the second step, and meanwhile moving the stepping motor 21 at the blanking station downwards for one grid to reserve a space for placing the next empty Tray, so that the automatic loading and unloading operation of the Tray is completed.

It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a Tray dish automatic feed mechanism for SMT processing which characterized in that: including frame (10), be equipped with material loading station (11), unloading station (12) and control transport mechanism (30) on frame (10), respectively be equipped with one on material loading station (11) and unloading station (12) and transport mechanism (20) down, transport mechanism (20) are used for driving Tray dish (40) and carry out the up-and-down motion and accomplish the material loading and the unloading of Tray dish about, transport mechanism (30) include rodless cylinder (31), linear rail (32), support frame (33) and sucking disc (34) about, linear rail (32) are fixed in on frame (10), install support frame (33) slidable in on linear rail (32), rodless cylinder (31) connect in support frame (33) and can drive the support frame and slide along linear rail (32), sucking disc (34) are fixed in on support frame (33), during operation, the sucking disc (34) is used for sucking the empty Tray disc (40) in the upper and lower conveying mechanisms (20) of the feeding station (11), and the Tray disc (40) is conveyed to the upper and lower conveying mechanisms (20) of the discharging station through the rodless cylinder (31).

2. An automatic Tray feeding mechanism for SMT according to claim 1, wherein: the upper and lower conveying mechanism (20) comprises a stepping motor (21), a screw rod (22), a screw nut and a supporting plate (23), the supporting plate (23) is used for placing a Tray disc (40), the screw nut is in threaded connection with the screw rod (22), the supporting plate (23) is fixedly connected with the screw nut, the screw rod (22) is vertically installed on the rack (10), the stepping motor (21) is connected with the screw rod (22) and can drive the screw rod to rotate, and then the screw nut and the supporting plate (23) are driven to move up and down.

3. An automatic Tray feeding mechanism for SMT according to claim 2, wherein: the upper and lower conveying mechanism (20) further comprises guide rods (24), the guide rods (24) are respectively arranged on the rack (10) on two sides of the screw rod (22), the guide rods (24) are arranged in parallel with the screw rod (22), and two sides of the supporting plate (23) are respectively sleeved on the guide rods (24) through a sleeve.

4. An automatic Tray feeding mechanism for SMT according to claim 2, wherein: and the upper and lower conveying mechanisms (20) are also provided with correlation sensing optical fibers (25), and the correlation sensing optical fibers (25) are used for detecting products in the Tray disc.

5. An automatic Tray feeding mechanism for SMT according to claim 1, wherein: the line rail (32) is arranged along the length direction level of frame (10) and runs through in material loading station (11) and unloading station (12), support frame (33) through slider slidable mounting in line rail (32), be equipped with on support frame (33) suction disc frame (36), suction disc frame (36) include a connecting rod, and a bracing piece is fixed connection respectively at the both ends of this connecting rod, a sucking disc (34) of fixed mounting respectively at the both ends of this bracing piece.

6. An automatic Tray feeding mechanism according to claim 5, wherein: and a vacuum inspection device (35) is arranged on the supporting frame (33), and the vacuum inspection device (35) is used for monitoring whether the suction disc (34) sucks the Tray disc or not.

7. An automatic Tray feeding mechanism for SMT according to claim 1, wherein: the lower end of the rack (10) is fixedly provided with a bottom plate, the upper end of the rack is fixedly provided with a positioning block (13), and the positioning block (13) is used for fixing a Tray disc (40) on the upper and lower conveying mechanisms (20).