CN215397595U

CN215397595U - PCB auxiliary clamping device for solder paste printer

Info

Publication number: CN215397595U
Application number: CN202023282812.XU
Authority: CN
Inventors: 范国中
Original assignee: Suzhou Pujiasi Photoelectric Technology Co ltd
Current assignee: Suzhou Pujiasi Photoelectric Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2022-01-04
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a PCB auxiliary clamping device for a solder paste printer, which belongs to the technical field of auxiliary clamping devices and comprises a supporting base, a threaded rod, an auxiliary clamping seat, a solder paste printer, a movable frame and a PCB, wherein the bottom side of the front end of the supporting base is fixedly connected with a fixed plate through a bolt, a bearing is fixedly arranged at the top end of the fixed plate, the threaded rod is movably arranged in an inner cavity of the bearing, the scheme can realize the clamping work of a clamping arm on a PCB plate by utilizing a clamping block only through rotating a nut sleeve, so as to replace the complicated fixing mode of fixing the four corners of the PCB in the prior art, and the supporting base, the threaded rod, the auxiliary clamping seat, the solder paste printer, the movable frame and the PCB are sequentially connected, so that the structure is simple, the investment cost is low.

Description

PCB auxiliary clamping device for solder paste printer

Technical Field

The utility model relates to the technical field of auxiliary clamping devices, in particular to a PCB auxiliary clamping device for a solder paste printer.

Background

Modern solder paste printing machines generally comprise mechanisms such as plate loading, solder paste adding, stamping, power transmission circuit boards and the like. The working principle is as follows: the PCB to be printed is fixed on a printing positioning table, then solder paste or red glue is subjected to screen printing on corresponding bonding pads through a steel mesh by a left scraper and a right scraper of a printing machine, and the PCB with uniform screen printing is input into a chip mounter through a transmission table to be subjected to automatic chip mounting.

The clamping is assisted when carrying out the centre gripping to the PCB board to prior art, fixes one by one its four corners through needs, and fixed mode is generally the spiro union, though this mode can fine fixed PCB board, but this makes the PCB plate when carrying out fixed work, and not only the working process is loaded down with trivial details, and inconvenient dismantlement.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide the PCB auxiliary clamping device for the solder paste printer, which can realize the clamping and fixing work of the PCB only by rotating the nut sleeve, is simple to operate and has lower manufacturing cost.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A PCB auxiliary clamping device for a solder paste printer comprises a supporting base, a threaded rod, an auxiliary clamping seat, a solder paste printer, a movable frame and a PCB, wherein the bottom side of the front end of the supporting base is fixedly connected with a fixed plate through a bolt, the top end of the fixed plate is fixedly provided with a bearing, the inner cavity of the bearing is movably provided with the threaded rod, the outer wall of the threaded rod is movably sleeved with a nut sleeve, the top end of the supporting base is fixedly provided with the auxiliary clamping seat, the front end of the auxiliary clamping seat is fixedly connected with a fixed frame through a bolt, the number of the fixed frames is two, the two groups of fixed frames are oppositely and movably provided with rotating rods, the outer wall of each rotating rod is fixedly sleeved with a rotating block, the outer wall of each rotating rod penetrates through the center of the side wall of the rotating block in an inserting manner, the inner cavity of the auxiliary clamping seat is fixedly provided with a slide rail, and the outer wall of the slide rail is movably connected with the movable frame, the rear end of commentaries on classics piece extends to the inner chamber of supplementary grip slipper and with the fixed spiro union of front end of adjustable shelf, bolt fixedly connected with stopper is passed through on the top of slide rail, and the top of stopper and the fixed spiro union in inner chamber top of supplementary grip slipper, the lateral wall all has the connecting rod through pivot swing joint about the adjustable shelf, and the lateral wall of connecting rod extends to the lateral wall of supplementary grip slipper and has the arm lock through pivot swing joint, the fixed grip block that is provided with in lateral wall top of arm lock, and the material of grip block is rubber materials, the fixed spiro union in rear end of support base has the mount, and the fixed tin cream printing machine that is provided with in top of mount.

Furthermore, the inner cavity of the nut sleeve is integrally formed with a reverse thread matched with the thread of the outer wall of the threaded rod.

Furthermore, the front side of the bottom end of the rotating block is fixedly connected with the top end of the nut sleeve in a threaded manner.

Furthermore, the lateral wall embedding of mount is provided with control panel, and control panel and tin cream printing machine pass through electric connection.

Furthermore, a PCB is fixedly arranged at the top end of the auxiliary clamping seat.

Furthermore, the left side wall and the right side wall of the auxiliary clamping seat are fixedly screwed with clamping arm support frames, and the clamping arm support frames are connected with the middle sides of the front ends of the clamping arms in a movable mode through rotating shafts.

Furthermore, the bottom end of the limiting block is fixedly provided with a cushion pad, and the cushion pad is made of rubber materials.

3. Advantageous effects

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

(1) this scheme can realize only through rotatory nut cover can realize that the arm lock utilizes the centre gripping work of grip block to the PCB plate to carry out the loaded down with trivial details fixed mode of four corners fixed to the PCB board among the replacement prior art.

(2) This kind of clamping device is assisted to solder paste printing machine PCB board's support base, threaded rod, supplementary grip slipper, solder paste printing machine, adjustable shelf and PCB board etc. link up according to the preface, simple structure, and investment cost is lower.

Drawings

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

FIG. 2 is a schematic overall rear view of the present invention;

fig. 3 is a schematic side view of the fixing frame of the present invention.

The reference numbers in the figures illustrate:

the device comprises a support base 1, a fixing plate 11, a threaded rod 2, a nut sleeve 21, a bearing 22, an auxiliary clamping seat 3, a fixed frame 31, a rotating rod 32, a rotating block 34, a solder paste printer 4, a control panel 41, a movable frame 5, a connecting rod 51, a clamping arm 52, a clamping arm support frame 53, a clamping block 54, a limiting block 55 and a PCB 6.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-3, an auxiliary PCB clamping device for a solder paste printer comprises a supporting base 1, a threaded rod 2, an auxiliary clamping seat 3, a solder paste printer 4, a movable frame 5 and a PCB 6, wherein the bottom side of the front end of the supporting base 1 is fixedly connected with a fixed plate 11 through bolts, the top end of the fixed plate 11 is fixedly provided with a bearing 22, the inner cavity of the bearing 22 is movably provided with the threaded rod 2, the outer wall of the threaded rod 2 is movably sleeved with a nut sleeve 21, the top end of the supporting base 1 is fixedly provided with the auxiliary clamping seat 3, the front end of the auxiliary clamping seat 3 is fixedly connected with a fixed frame 31 through bolts, the fixed frames 31 are two groups, the two groups of fixed frames 31 are oppositely and movably provided with rotating rods 32, the outer wall of the rotating rod 32 is fixedly sleeved with a rotating block 34, the outer wall of the rotating rod 32 is inserted in the center of the side wall of the rotating block 34, the inner cavity of the auxiliary clamping seat 3 is fixedly provided with a slide rail, the outer wall of the slide rail is movably connected with a movable frame 5, the rear end of a rotating block 34 extends to the inner cavity of the auxiliary clamping seat 3 and is fixedly screwed with the front end of the movable frame 5, the top end of the slide rail is fixedly connected with a limiting block 55 through a bolt, the top end of the limiting block 55 is fixedly screwed with the top end of the inner cavity of the auxiliary clamping seat 3, the left side wall and the right side wall of the movable frame 5 are both movably connected with a connecting rod 51 through a rotating shaft, the side wall of the connecting rod 51 extends to the side wall of the auxiliary clamping seat 3 and is movably connected with a clamping arm 52 through the rotating shaft, the top end of the side wall of the clamping arm 52 is fixedly provided with a clamping block 54, the material of the clamping block 54 is a rubber material, the rear end of the supporting base 1 is fixedly screwed with a fixed frame 31, the top end of the fixed frame 31 is fixedly provided with a solder paste printing machine 4, the inner cavity of a nut sleeve 21 is integrally formed with a reverse thread matched with the outer wall thread of the threaded rod 2, the front end of the rotating block 34 is fixedly screwed with the top end of the nut sleeve 21, the lateral wall embedding of mount 31 is provided with control panel 41, and control panel 41 passes through electric connection with solder paste printing machine 4, and the fixed PCB board 6 that is provided with in top of supplementary grip slipper 3, and the equal fixed spiro union of lateral wall has arm lock support frame 53 about supplementary grip slipper 3, and two sets of arm lock support frames 53 all through pivot and two sets of arm lock 52's front end medial side swing joint, and the bottom mounting of stopper 55 is provided with the blotter, and the material of blotter is rubber materials.

When the utility model is used by an operator, firstly, the PCB 6 is placed at the top end of the auxiliary clamping seat 3, secondly, the nut sleeve 21 is rotated, at the moment, the nut sleeve 21 slides on the outer wall of the threaded rod 2 in a vertical state, so as to drive the rotating block 34 to perform turnover movement under the limitation of the rotating rod 32, because the other end of the rotating block 34 is connected with the movable frame 5, when the movable frame 5 performs vertical movement in the inner cavity of the auxiliary supporting seat 3, the clamping arm 52 is driven by the connecting rod 51 to perform outward expansion and inward contraction work under the limitation of the clamping arm supporting frame 53, so as to realize the fixing and dismounting work of the PCB 6, thirdly, the working state of the solder paste printer 4 is controlled by the control panel 41, so as to realize the printing work of the fixed PCB 6, compared with the prior art, the utility model can realize the clamping work of the clamping arm 52 on the PCB 6 by the clamping block 54 only by rotating the nut sleeve 21, carry out the loaded down with trivial details fixed mode that the four corners was fixed to PCB board 6 among the prior art in order replacing to this kind of supplementary clamping device of PCB board for tin cream printing machine's support base 1, threaded rod 2, supplementary grip slipper 3, tin cream printing machine 4, adjustable shelf 5 and PCB board 6 etc. link up according to the preface, simple structure, investment cost is lower.

The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a PCB board auxiliary clamping device for solder paste printing machine, is including supporting base (1), threaded rod (2), supplementary grip slipper (3), solder paste printing machine (4), adjustable shelf (5) and PCB board (6), its characterized in that: the fixing device is characterized in that a fixing plate (11) is fixedly connected to the bottom side of the front end of the supporting base (1) through a bolt, a bearing (22) is fixedly arranged at the top end of the fixing plate (11), a threaded rod (2) is movably arranged in an inner cavity of the bearing (22), nut sleeves (21) are movably sleeved on the outer wall of the threaded rod (2), an auxiliary clamping seat (3) is fixedly arranged at the top end of the supporting base (1), a fixing frame (31) is fixedly connected to the front end of the auxiliary clamping seat (3) through a bolt, the number of the fixing frames (31) is two, rotating rods (32) are movably arranged on the two fixing frames (31) in opposite directions, a rotating block (34) is fixedly sleeved on the outer wall of each rotating rod (32), the outer wall of each rotating rod (32) penetrates through the center of the side wall of the rotating block (34), a sliding rail is fixedly arranged in the inner cavity of the auxiliary clamping seat (3), and a movable frame (5) is movably connected to the outer wall of the sliding rail, the rear end of commentaries on classics piece (34) extend to the inner chamber of supplementary grip slipper (3) and with the fixed spiro union in front end of adjustable shelf (5), bolt fixedly connected with stopper (55) is passed through on the top of slide rail, and the top of stopper (55) and the fixed spiro union in inner chamber top of supplementary grip slipper (3), the lateral wall all has connecting rod (51) through pivot swing joint about adjustable shelf (5), and the lateral wall of connecting rod (51) extends to the lateral wall of supplementary grip slipper (3) and has arm lock (52) through pivot swing joint, the fixed grip block (54) that is provided with in lateral wall top of arm lock (52), and the material of grip block (54) is rubber material, the fixed spiro union in rear end of supporting base (1) has mount (31), and the fixed tin cream printing machine (4) that is provided with in top of mount (31).

2. The PCB auxiliary clamping device for the solder paste printer as claimed in claim 1, wherein: the inner cavity of the nut sleeve (21) is integrally formed with a reverse thread matched with the thread of the outer wall of the threaded rod (2).

3. The PCB auxiliary clamping device for the solder paste printer as claimed in claim 1, wherein: the front side of the bottom end of the rotating block (34) is fixedly screwed with the top end of the nut sleeve (21).

4. The PCB auxiliary clamping device for the solder paste printer as claimed in claim 1, wherein: the side wall of the fixing frame (31) is embedded with a control panel (41), and the control panel (41) is electrically connected with the solder paste printer (4).

5. The PCB auxiliary clamping device for the solder paste printer as claimed in claim 1, wherein: and a PCB (6) is fixedly arranged at the top end of the auxiliary clamping seat (3).

6. The PCB auxiliary clamping device for the solder paste printer as claimed in claim 1, wherein: the left side wall and the right side wall of the auxiliary clamping seat (3) are fixedly screwed with clamping arm support frames (53), and the clamping arm support frames (53) are movably connected with the middle sides of the front ends of the clamping arms (52) through rotating shafts.

7. The PCB auxiliary clamping device for the solder paste printer as claimed in claim 1, wherein: the bottom end of the limiting block (55) is fixedly provided with a cushion pad, and the cushion pad is made of rubber materials.