Rear-end blanking mechanism for SMT (Surface Mount Technology)

Abstract

The utility model discloses an SMT paster rear end blanking mechanism, and relates to the SMT paster technology field, the SMT paster rear end blanking mechanism comprises a conveying mechanism, a positioning paster mechanism is fixedly arranged in the conveying mechanism, and one end of the conveying mechanism is provided with a negative pressure blanking mechanism in a lifting manner. In order to solve the problems that in the prior art, an SMT patch needs to be taken down manually, time and labor are wasted, efficiency is low, and an automatic discharging device needs to be arranged to improve efficiency, automatic positioning and patch mounting of a plate are achieved through arrangement of a positioning patch mounting mechanism, patch mounting stability is high, a negative-pressure discharging mechanism is arranged, a lifting air cylinder drives a steering assembly and a negative-pressure pipe to ascend and descend synchronously, and the efficiency is improved. The negative pressure pipe performs negative pressure suction on the PCB, the PCB is firstly fixed, at the moment, the conveying rail is stopped, the steering assembly is driven to rotate to change the direction, then the negative pressure pipe is started for suction, finally the lifting air cylinder descends, and at the moment, the PCB can be obliquely downwards along the discharging inclined plate to achieve automatic material taking.

Description

TECHNICAL FIELD

[0001] The utility model relates to SMT patch technical field, concretely is a kind of SMT patch rear end blanking mechanism. BACKGROUND

[0002] SMT patch refers to the series of technological processes of processing on the basis of printed circuit board, SMT is surface mount technology, it is a kind of no pin or short lead surface mount device installation on the surface of printed circuit board or the surface of other substrate, through reflow soldering or dip soldering etc. Method is welded and assembled circuit connection technology.

[0003] The automatic feeding device of SMT patch processing based on MES process with the authorization announcement No. CN216437887U, including belt conveyor, the outer part of belt conveyor is distributed with a plurality of shells, the shell in upper part is equipped with inner shell, the bottom surface in inner shell is protruded and forms a plurality of limiting parts, the limiting part forms the slot for SMT patch insertion between the limiting part, SMT patch is inserted in the slot, the inside of the belt of belt conveyor is equipped with shell, the inside of shell forms air cavity, the top surface of shell is distributed with air outlet hole, the belt of belt conveyor is distributed with air hole, this patch processing device needs manpower to take down SMT patch after being transported to destination, time-consuming and laborious, and efficiency is low, and it needs to set up automatic blanking device to improve efficiency.

[0004] In view of the above problem, therefore, a kind of SMT patch rear end blanking mechanism is presented. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of SMT patch rear end blanking mechanism, solve the problem that existing patch processing device in background art needs manpower to take down SMT patch after being transported to destination, time-consuming and laborious, and efficiency is low, and it needs to set up automatic blanking device to improve efficiency.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of SMT patch rear end blanking mechanism, including conveying mechanism, the inside of conveying mechanism is fixedly provided with positioning patch mechanism, one end of conveying mechanism is liftably provided with negative pressure blanking mechanism, the conveying mechanism includes the conveying track for conveying plate material, the positioning patch mechanism includes patch rack, the both sides of patch rack are provided with positioning assembly, the upper end of patch rack is rested with PCB board, positioning assembly is inserted into alignment patch rack, for the location of PCB board, the negative pressure blanking mechanism includes lift cylinder, negative pressure pipe is arranged at the output end of lift cylinder, the negative pressure pipe is provided with four groups, the center of negative pressure pipe is provided with rotatable steering assembly, blanking inclined plate is arranged on one side of steering assembly.

[0007] Preferably, the conveying mechanism further comprises a support frame fixed at the lower end of the conveying track, and the conveying track is provided with two groups.

[0008] Preferably, the conveying track is internally provided with a sliding rail, one end of the sliding rail is fixedly provided with a conveying motor, and the output end of the conveying motor is provided with a conveying belt.

[0009] Preferably, the positioning patch mechanism further comprises a supporting plate fixedly arranged at the lower end of the support frame, a through hole is arranged in the supporting plate, and the lower end of the supporting plate is fixedly provided with a U-shaped frame for supporting the patch frame and the positioning assembly.

[0010] Preferably, the patch frame comprises a pneumatic cylinder fixedly arranged at the upper end of the U-shaped frame, and a bracket arranged at the lifting end of the pneumatic cylinder, and the two sides of the bracket are provided with insertion grooves.

[0011] Preferably, the positioning assembly comprises a side-mounted pneumatic cylinder fixedly arranged at the upper end of the U-shaped frame, and an insertion plate arranged at the output end of the side-mounted pneumatic cylinder, and one side of the insertion plate is provided with an inclined opening.

[0012] Preferably, the negative pressure blanking mechanism further comprises a fixed frame connected with the lifting pneumatic cylinder, the output end of the lifting pneumatic cylinder is provided with a lifting plate, four groups of negative pressure pipes are connected at the four corners of the lifting plate, and the lower end of the negative pressure pipe is connected with an air pipe.

[0013] Preferably, the turning assembly comprises a right-angle servo motor fixed at the center of the upper end of the lifting plate, and the output end of the right-angle servo motor is provided with a rotating frame.

[0014] Preferably, the negative pressure blanking mechanism further comprises a baffle frame connected with one side of the blanking inclined plate, the lower end of the baffle frame is provided with a sliding opening, and one side of the sliding opening is fixedly provided with a horizontal plate.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The SMT patch rear-end blanking mechanism provided by the utility model realizes automatic positioning and patching of the plate material through the positioning patch mechanism, has high patching stability, and solves the positioning and fixing problems of the existing patch processing device.

[0017] 2. The SMT patch rear-end blanking mechanism provided by the utility model realizes synchronous lifting of the turning assembly and the negative pressure pipe through the negative pressure blanking mechanism, the negative pressure pipe performs negative pressure suction on the PCB, the PCB is first fixed, the conveying track is stopped at this time, the turning assembly is driven to rotate to change the direction, the negative pressure pipe is started to suck, and finally the lifting pneumatic cylinder is lowered, so that the PCB can be automatically taken out along the blanking inclined plate and downwardly at an angle, thereby solving the problems that the existing patch processing device needs manpower to take down the SMT patch after being conveyed to the destination, time and effort are wasted, and the efficiency is low. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the structure schematic diagram of the utility model conveying mechanism;

[0020] Figure 3 It is the structure schematic diagram of the utility model positioning patch mechanism;

[0021] Figure 4 It is the structure schematic diagram of the utility model patch frame;

[0022] Figure 5 It is the structure schematic diagram of the utility model positioning assembly;

[0023] Figure 6 It is the structure schematic diagram of the utility model negative pressure blanking mechanism.

[0024] In the drawing: 1, conveying mechanism;11, support frame;12, conveying track;121, slide rail;122, conveying motor;123, conveying belt;2, positioning patch mechanism;21, supporting plate;211, through hole;212, U-shaped frame;22, patch frame;221, cylinder piece;222, bracket;2221, slot;23, positioning assembly;231, side-mounted cylinder;232, plugboard;2321, bevel;24, PCB board;3, negative pressure blanking mechanism;31, fixed frame;32, lifting cylinder;321, lifting plate;33, negative pressure pipe;331, air pipe;34, steering assembly;341, right-angle servo motor;342, rotating frame;35, blanking inclined plate;36, baffle frame;361, slide opening;37, cross plate. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the utility model.

[0026] In order to further understand the content of the utility model, the utility model will be described in detail with reference to the drawings.

[0027] In combination with Figure 1The utility model discloses a kind of SMT patch rear end blanking mechanisms, including conveying mechanism 1, the inside fixed setting of conveying mechanism 1 is positioned patch mechanism 2, one end of conveying mechanism 1 is liftable and is provided with negative pressure blanking mechanism 3, conveying mechanism 1 includes the conveying track 12 for conveying plate material, positioned patch mechanism 2 includes patch frame 22, patch frame 22 Two sides are provided with positioning assembly 23, the upper end of patch frame 22 rests with PCB board 24, positioning assembly 23 is inserted to align patch frame 22, for the location of PCB board 24, negative pressure blanking mechanism 3 includes lift cylinder 32, negative pressure tube 33 being arranged at the output end of lift cylinder 32, negative pressure tube 33 is provided with four groups, the center of negative pressure tube 33 is provided with rotatable steering assembly 34, blanking inclined plate 35 being arranged at one side of steering assembly 34.

[0028] Specifically, conveying track 12 is used for conveying plate material, positioning assembly 23 on the conveying terminal end is lifted, and PCB board 24 is blocked, at this time, the positioning assembly 23 on the other side is lifted, the positioning and fixing of PCB board 24 on the upper end of patch frame 22 are realized, lift cylinder 32 drives steering assembly 34 and negative pressure tube 33 to be lifted synchronously, negative pressure tube 33 carries out negative pressure suction to PCB board 24, and PCB board 24 is fixed first, at this time, conveying track 12 is stopped, steering assembly 34 is driven to rotate to change direction, and negative pressure tube 33 is started to suck, finally, lift cylinder 32 is lowered, at this time, PCB board 24 can be automatically taken along blanking inclined plate 35 to realize automatic material taking, and the positioning patch mechanism 2 in the structure realizes the automatic positioning patch of plate material, the patch stability is high, the setting of negative pressure blanking mechanism 3 makes the patch can be automatically blanked, without manpower to take down SMT patch, to improve efficiency.

[0029] The utility model will be further described in connection with examples.

[0030] Example one:

[0031] In combination Figures 2-5 Conveying mechanism 1 further includes support frame 11 fixed at the lower end of conveying track 12, conveying track 12 is provided with two groups, and support frame 11 fixes two groups of conveying track 12, and the center symmetry of two groups of conveying track 12 realizes plate material conveying.

[0032] The inside of conveying track 12 is provided with slide rail 121, one end of slide rail 121 is fixedly provided with conveying motor 122, the output end of conveying motor 122 is provided with conveying belt 123, and slide rail 121 provides fixed position for the drive roller that one side of conveying belt 123 is attached, and conveying motor 122 drives the drive roller in conveying belt 123 to rotate, to drive conveying belt 123 to move.

[0033] The positioning patch mechanism 2 further comprises a supporting plate 21 fixedly arranged at the lower end of the supporting frame 11, the supporting plate 21 is provided with a through hole 211, the lower end of the supporting plate 21 is fixedly provided with a U-shaped frame 212 for supporting a patch frame 22 and a positioning assembly 23, the supporting plate 21 serves as a supporting and fixing part, the through hole 211 provides a lifting opening for the positioning assembly 23, and the U-shaped frame 212 fixes the bottom of the patch frame 22 and the positioning assembly 23.

[0034] The patch frame 22 comprises a pneumatic cylinder 221 fixedly arranged at the upper end of the U-shaped frame 212, a bracket 222 arranged at the lifting end of the pneumatic cylinder 221, and a plurality of insertion grooves 2221 arranged at the two sides of the bracket 222, the pneumatic cylinder 221 drives the bracket 222 to lift, thereby supporting the PCB 24, and the insertion grooves 2221 are matched with the positioning assembly 23 to position the PCB 24.

[0035] The positioning assembly 23 comprises a side pneumatic cylinder 231 fixedly arranged at the upper end of the U-shaped frame 212, and an insertion plate 232 arranged at the output end of the side pneumatic cylinder 231, one side of the insertion plate 232 is provided with an inclined opening 2321, the side pneumatic cylinder 231 drives the insertion plate 232 to be inserted into the insertion groove 2221, and the inclined opening 2321 is arranged to enable the PCB 24 to be pushed to the center position during lifting of the insertion plate 232.

[0036] Embodiment two:

[0037] In combination with Figure 3 and Figure 6 The negative pressure feeding mechanism 3 further comprises a fixed frame 31 connected with the lifting pneumatic cylinder 32, the output end of the lifting pneumatic cylinder 32 is provided with a lifting plate 321, four groups of negative pressure pipes 33 are connected at the four corners of the lifting plate 321, the lower end of each negative pressure pipe 33 is connected with a gas pipe 331, the fixed frame 31 supports the lifting pneumatic cylinder 32, the lifting pneumatic cylinder 32 drives the lifting plate 321 to lift, thereby driving the negative pressure pipes 33 and the steering assembly 34 to lift, and the gas pipe 331 provides negative pressure gas for the negative pressure pipes 33.

[0038] The steering assembly 34 comprises a right-angle servo motor 341 fixedly arranged at the center of the upper end of the lifting plate 321, and a rotating frame 342 arranged at the output end of the right-angle servo motor 341, the right-angle servo motor 341 drives the rotating frame 342 to rotate by 90 degrees at a time, thereby realizing steering of the PCB 24 and facilitating feeding of the PCB 24.

[0039] The negative pressure feeding mechanism 3 further comprises a baffle frame 36 connected at one side of a feeding inclined plate 35, the lower end of the baffle frame 36 is provided with a sliding opening 361, one side of the sliding opening 361 is fixedly provided with a horizontal plate 37, the feeding inclined plate 35 realizes inclined guiding of the PCB 24, the PCB 24 is output from the sliding opening 361 to the horizontal plate 37, and feeding is realized.

[0040] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0041] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. An SMT patch back-end blanking mechanism, comprising a conveying mechanism (1), characterized in that: The inside of the conveying mechanism (1) is fixedly provided with a positioning patch mechanism (2), and one end of the conveying mechanism (1) is provided with a negative pressure blanking mechanism (3) in a lifting mode. The conveying mechanism (1) comprises a conveying track (12) for conveying a plate material, the positioning patch mechanism (2) comprises a patch rack (22), both sides of the patch rack (22) are provided with positioning assemblies (23), the upper end of the patch rack (22) rests on a PCB board (24), the positioning assemblies (23) are inserted into the patch rack (22) in a lifting mode, and are used for limiting the PCB board (24); the negative pressure blanking mechanism (3) comprises a lifting cylinder (32), a negative pressure pipe (33) provided at the output end of the lifting cylinder (32), four groups of the negative pressure pipes (33), and a rotatable steering assembly (34) provided at the center of the negative pressure pipe (33); and a blanking inclined plate (35) is provided at one side of the steering assembly (34).

2. The SMT patch back-end blanking mechanism according to claim 1, characterized in that: The conveying mechanism (1) further comprises a support frame (11) fixed at the lower end of the conveying track (12), and the conveying track (12) is provided with two groups.

3. The SMT patch back-end blanking mechanism according to claim 1, characterized in that: The conveying track (12) is internally provided with a sliding rail (121), one end of the sliding rail (121) is fixedly provided with a conveying motor (122), and the output end of the conveying motor (122) is provided with a conveying belt (123).

4. The SMT patch back-end blanking mechanism according to claim 2, characterized in that: The positioning patch mechanism (2) further comprises a supporting plate (21) fixedly provided at the lower end of the support frame (11), the supporting plate (21) is provided with a through hole (211), and the lower end of the supporting plate (21) is fixedly provided with a U-shaped frame (212) for supporting the patch rack (22) and the positioning assemblies (23).

5. The SMT patch back-end blanking mechanism according to claim 4, characterized in that: The patch rack (22) comprises a cylinder piece (221) fixedly provided at the upper end of the U-shaped frame (212), and a bracket (222) provided at the lifting end of the cylinder piece (221), and both sides of the bracket (222) are provided with insertion grooves (2221).

6. The SMT patch back-end blanking mechanism according to claim 4, characterized in that: The positioning assembly (23) comprises a side-mounted cylinder (231) fixedly provided at the upper end of the U-shaped frame (212), and an insertion plate (232) provided at the output end of the side-mounted cylinder (231), and one side of the insertion plate (232) is provided with an inclined hole (2321).

7. The SMT patch back-end blanking mechanism according to claim 1, characterized in that: The negative pressure blanking mechanism (3) further comprises a fixing frame (31) connected with the lifting cylinder (32), the output end of the lifting cylinder (32) is provided with a lifting plate (321), four groups of the negative pressure pipes (33) are connected with four corners of the lifting plate (321), and the lower end of the negative pressure pipe (33) is connected with an air pipe (331).

8. The SMT patch back-end blanking mechanism according to claim 7, characterized in that: The steering assembly (34) comprises a right-angle servo motor (341) fixedly provided at the center of the upper end of the lifting plate (321), and the output end of the right-angle servo motor (341) is provided with a rotating frame (342).

9. The SMT patch back-end blanking mechanism according to claim 1, characterized in that: The negative pressure blanking mechanism (3) further comprises a baffle frame (36) connected with one side of the blanking inclined plate (35), the lower end of the baffle frame (36) is provided with a sliding hole (361), and one side of the sliding hole (361) is fixedly provided with a horizontal plate (37).

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