CN220841821U

CN220841821U - Z-axis lifting structure of solder paste printer

Info

Publication number: CN220841821U
Application number: CN202322475645.8U
Authority: CN
Inventors: 金柯达; 周朝博; 金日光; 黄博
Original assignee: Wenzhou Rongting Technology Co ltd
Current assignee: Wenzhou Rongting Technology Co ltd
Priority date: 2023-09-11
Filing date: 2023-09-11
Publication date: 2024-04-26
Anticipated expiration: 2033-09-11

Abstract

The utility model relates to the field of full-automatic solder paste printers, in particular to a Z-axis lifting structure of a solder paste printer. The structure comprises a workbench surface, a jacking mechanism, a Z-axis support and a driving mechanism, wherein the driving mechanism drives the jacking mechanism to drive the workbench surface on the Z-axis support to do Z-axis lifting motion, the jacking mechanism further comprises a lifting frame, a square guide rail and two guide sleeves, the square guide rail is arranged above the lifting frame, the Z-axis support is correspondingly provided with a guide rail slide block and two guide posts, the square guide rail is matched with the guide rail slide block, the guide sleeves arranged on two separated sides are matched with the corresponding guide posts to form a triangular guide structure together, and the jacking mechanism drives the workbench surface to do up-and-down motion along the Z axis on the structure. The product adopts a square guide rail and two guide posts, is arranged to be in a triangular shape, and is installed to enable the Z-axis lifting mechanism to be more stable and reliable.

Description

Z-axis lifting structure of solder paste printer

Technical Field

The utility model relates to the field of full-automatic solder paste printers, in particular to a Z-axis lifting structure of a solder paste printer.

Background

The full-automatic solder paste printer is a machine for printing solder paste on a welding position of a circuit board through hole sites on a steel mesh, and the solder paste printing is an important process before electronic components are attached.

The existing Z-axis lifting mechanism generally adopts a combination mode of two sets of square guide rails and a screw rod, and the two square guide rails are arranged on one surface, so that the structure has high requirements on workpiece processing, is uneven in stress, and is difficult to finish printing of a high-precision PCB.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a Z-axis lifting structure of a solder paste printer, which is ingenious in design, adopts a square guide rail and two guide posts, is arranged to be in a triangular shape, and is installed to ensure that the Z-axis lifting mechanism is more stable and reliable.

(II) technical scheme

The utility model provides a Z axle elevation structure of tin cream printing machine, includes table surface, climbing mechanism, Z axle support and actuating mechanism, actuating mechanism drive climbing mechanism drive table surface on the Z axle support and do Z axle elevating movement, further, climbing mechanism include crane and install square guide rail and two guide pin bushings on it, Z axle support correspond and be equipped with guide rail slider and two guide pins, square guide rail and guide rail slider cooperate, the guide pin bushing that separates both sides setting cooperates with corresponding guide pillar, constitutes triangle-shaped guide structure together, climbing mechanism drives table surface and makes up-and-down motion along the Z axle on this structure.

Preferably, the lifting frame is provided with a screw nut, the Z-axis bracket is correspondingly provided with a screw, and the driving mechanism drives the screw to rotate in the screw nut.

Preferably, two sides of the lifting frame are respectively provided with a guide post seat, guide sleeves are fixed on the guide post seats, and the square guide rail is arranged on the back of the lifting frame.

Preferably, the Z-axis support comprises a base, a guide rail sliding block, guide pillar fixing seats and a screw rod nut bearing seat are arranged on the base, two guide pillar fixing seats are respectively provided with a guide pillar, and the screw rod nut bearing seat is provided with a screw rod.

Preferably, the driving mechanism comprises a motor mounting seat, a motor, a synchronous belt and a synchronous wheel, wherein the motor mounting seat is provided with the motor, the motor is provided with a driving synchronous wheel, and the synchronous wheel drives the screw rod to rotate through the synchronous belt.

Preferably, one end of the screw rod is provided with a driven synchronous wheel, and the synchronous belt drives the screw rod to rotate through the driven synchronous wheel.

Preferably, the guide rail sliding blocks are arranged in two, and are arranged up and down along the Z axis.

Preferably, a plurality of mounting holes are formed above the lifting frame, and the working table surface is mounted through the mounting holes.

(III) beneficial effects

Compared with the prior art, the product has the following advantages:

1. The product has stable structure, a square guide rail and two guide posts, and the installation position presents a triangular shape.

2. The product is evenly stressed, the lifting platform is triangular, the working platform is arranged on the lifting platform, and the whole weight is evenly distributed on a square guide rail and two guide posts.

3. The product is simple to process, the two square guide rails of the traditional equipment are arranged on one surface, the mounting surfaces of the two sets of guide rails are required to be coplanar, so that the processing cost is high, the product has no coplanar requirement, and the processing cost is low.

4. The product has low purchase cost, two sets of guide rail sliding blocks purchased by traditional equipment are not common two sets of guide rail sliding blocks, but a pair of coplanar guide rail sliding blocks are needed, and the two sets of guide rail sliding blocks are special and cannot be interchanged, so that the purchase cost is high. The product has the advantages that one set of guide rail sliding block is a standard component, no coplanarity requirement exists, two guide posts are standard components used in a die product, only one set of guide rail sliding block is about one hundred yuan, and the price of the two sets of guide rail sliding blocks is far lower than that of one set of square guide rail.

Drawings

FIG. 1 is a front view of the present product;

FIG. 2 is a perspective view of the present product;

FIG. 3 is an exploded view of FIG. 1;

FIG. 4 is an exploded view of FIG. 2;

Fig. 5 is a cross-sectional view of A-A in fig. 3.

Description of the reference numerals: the lifting mechanism comprises a working table top (1), a lifting mechanism (2), a mounting hole (21), a lifting frame (22), a guide sleeve (23), a guide pillar seat (24), a screw nut (25), a square guide rail (26), a Z-axis support (3), a guide rail sliding block (31), a guide pillar (32), a guide pillar fixing seat (33), a screw rod (34), a screw nut bearing seat (35), a base (36), a driven synchronous wheel (37), a driving mechanism (4), a motor mounting seat (41), a motor (42), a synchronous belt (43) and a synchronous wheel (44).

Detailed Description

The present utility model will be described in further detail below with reference to the drawings, wherein like elements are designated by like reference numerals, and it is noted that the words "front", "rear", "left", "right", "upper" and "lower", "bottom" and "top" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular element.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The design concept is as follows: the original Z-axis lifting mechanism is optimized, so that the Z-axis lifting mechanism is more stable and reliable.

Examples:

As shown in fig. 1-5, the embodiment provides a Z-axis lifting structure of a solder paste printer, which mainly comprises a workbench surface (1), a jacking mechanism (2), a Z-axis bracket (3) and a driving mechanism (4).

Wherein, lifting frame (22) top of climbing mechanism (2) has a plurality of mounting hole (21), and table surface (1) passes through screw and 18 mounting hole (21) close-fitting on climbing mechanism (2) for install table surface (1). The middle position of the lifting frame (22) is fastened with a screw rod nut (25) through a screw. Two sides of the lifting frame (22) are provided with a guide post seat (24) respectively through screws; the guide post seat (24) is welded with the guide sleeve (23); the square guide rail (26) is arranged on the back of the lifting frame (22).

Further, two guide rail sliding blocks (31) are arranged on a base (36) of the Z-axis bracket (3). Two guide post fixing seats (33) are arranged on the base (36), and one guide post (32) is respectively arranged on each guide post fixing seat (33). A screw nut bearing seat (35) is arranged on the base (36). A screw rod (34) is arranged on the screw rod nut bearing seat (35), and a driven synchronous wheel (37) is arranged at one end of the screw rod (34).

Finally, a motor (42) is arranged on a motor mounting seat (41) of the driving mechanism (4), and an active synchronous wheel (44) is arranged on the shaft of the motor (42). The synchronizing wheel (44) is provided with a synchronizing belt (43).

The connection relation of the structures is as follows:

The driving mechanism (4) is fixed with the Z-axis bracket (3) through screws. The synchronous belt (43) connects the driven synchronous wheel (37) and the moving synchronous wheel (44).

The square guide rail (26) on the jacking mechanism (2) is matched with the guide rail sliding block (31) on the Z-axis bracket (3) to do up-and-down movement. The guide sleeve (23) on the jacking mechanism (2) is matched with the guide post (32) on the Z-axis bracket (3) to do up-and-down motion. The screw nut (25) on the jacking mechanism (2) is matched with the screw rod (34) on the Z-axis bracket (3) to do up-and-down movement. The workbench surface (1) is tightly matched with 18 mounting holes (21) on the jacking mechanism (2) through screws.

The working procedure of this embodiment is:

The square guide rail (26) is matched with the guide rail sliding block (31), the two guide posts (32) are matched with the two guide sleeves (23), and the jacking mechanism (2) is limited from three directions, so that the jacking mechanism (2) can only move up and down along the upper surface of the Z axis.

The middle position of the jacking mechanism (2) is provided with the screw nut (25), when the screw rod (34) rotates, the screw nut (25) drives the jacking mechanism (2) to move along the Z-axis direction, the stress of the square guide rail (26) and the two guide posts (32) is relatively uniform, and the error caused by deformation of the jacking mechanism (2) due to uneven stress is reduced. Thereby improving the precision of Z-axis displacement.

The motor (42) rotates with electricity, the driving synchronous wheel (44) on the motor shaft rotates, and the driven synchronous wheel (37) is driven to rotate through the transmission of the synchronous belt (43). The driven synchronizing wheel (37) rotates to drive the screw rod (34) to rotate in the screw rod nut bearing seat (35). The screw rod (34) rotates, so that the screw rod nut (25) is driven to move up and down along the Z axis.

Because the screw nut (25) is fixed on the jacking mechanism (2), the screw nut (25) moves up and down along the Z axis to drive the jacking mechanism (2) to move up and down along the Z axis.

Because the working table (1) is fixed on the jacking mechanism (2), the jacking mechanism (2) moves up and down along the Z axis to drive the working table (1) to move up and down along the Z axis.

The end result is that the motor (42) rotates to drive the workbench surface (1) to move up and down along the square guide rail (26) and the two guide posts (32).

Although embodiments of the present utility model have been shown 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 principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a Z axle elevation structure of tin cream printing machine, includes table surface (1), climbing mechanism (2), Z axle support (3) and actuating mechanism (4), actuating mechanism (4) transmission climbing mechanism (2) drive table surface (1) on Z axle support (3) and do Z axle elevating movement, its characterized in that: the lifting mechanism (2) comprises a lifting frame (22), square guide rails (26) and two guide sleeves (23), wherein the square guide rails (26) and the two guide sleeves (23) are arranged on the lifting frame, the Z-axis support (3) is correspondingly provided with a guide rail sliding block (31) and two guide posts (32), the square guide rails (26) are matched with the guide rail sliding block (31), the guide sleeves (23) arranged on two separated sides are matched with the corresponding guide posts (32), a triangular guide structure is formed together, and the lifting mechanism (2) drives the workbench surface (1) to move up and down along the Z axis.

2. The Z-axis lifting structure of a solder paste printer according to claim 1, wherein: the lifting frame (22) is provided with a screw nut (25), the Z-axis bracket (3) is correspondingly provided with a screw (34), and the driving mechanism (4) drives the screw (34) to rotate in the screw nut (25).

3. The Z-axis lifting structure of a solder paste printer according to claim 1, wherein: two sides of the lifting frame (22) are respectively provided with a guide post seat (24), guide sleeves (23) are fixed on the guide post seats (24), and square guide rails (26) are arranged on the back of the lifting frame (22).

4. The Z-axis lifting structure of a solder paste printer according to claim 2, wherein: the Z-axis support (3) comprises a base (36), wherein a guide rail sliding block (31), guide pillar fixing seats (33) and a screw nut bearing seat (35) are arranged on the base (36), a guide pillar (32) is respectively arranged on the two guide pillar fixing seats (33), and a screw (34) is arranged on the screw nut bearing seat (35).

5. The Z-axis lifting structure of a solder paste printer according to claim 2, wherein: the driving mechanism (4) comprises a motor mounting seat (41), a motor (42), a synchronous belt (43) and a synchronous wheel (44), wherein the motor (42) is arranged on the motor mounting seat (41), the driving synchronous wheel (44) is arranged on the motor (42), and the synchronous wheel (44) drives the screw rod (34) to rotate through the synchronous belt (43).

6. The Z-axis lifting structure of a solder paste printer according to claim 5, wherein: one end of the screw rod (34) is provided with a driven synchronous wheel (37), and the synchronous belt (43) drives the screw rod (34) to rotate through the driven synchronous wheel (37).

7. The Z-axis lifting structure of a solder paste printer according to claim 1, wherein: the number of the guide rail sliding blocks (31) is two, and the guide rail sliding blocks are arranged up and down along the Z axis.

8. The Z-axis lifting structure of a solder paste printer according to claim 1, wherein: a plurality of mounting holes (21) are formed above the lifting frame (22), and the working table (1) is mounted through the mounting holes (21).