Compact PCB clamp vertical conveying device

Abstract

The utility model provides a compact type PCB clamp vertical conveying device, which comprises a clamp, an upper guide mechanism arranged above the clamp and a lower transmission mechanism arranged below the clamp, a substrate is loaded on the clamp, the upper guide mechanism is used for supporting the upper end of the clamp and guiding the clamp to move, the lower transmission mechanism is used for driving the clamp to move, and the upper guide mechanism is used for supporting the upper end of the clamp and guiding the clamp to move. Comprising a first spiral gear, a second spiral gear, a driven shaft and a conveying wheel, the first spiral gear is connected with a driving part, the first spiral gear is arranged below the second spiral gear and is in meshing transmission with the second spiral gear, the second spiral gear is arranged in the middle of the driven shaft, and the conveying wheel is located on one side of the driven shaft. The conveying wheels are in rolling connection with the bottom of the clamp. The circuit board conveying device adopts a vertical conveying mode, the conveying wheels are not in contact with the circuit board, the circuit board cannot be damaged, the structure is simple and compact, the occupied space is small, and the conveying stability is good.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board manufacturing, in particular to a compact PCB fixture vertical conveying device. Background Art

[0002] The manufacturing of circuit boards usually adopts the process of substrate dry film → exposure → development → etching → film stripping. During the manufacturing process, the substrate flows through each workstation through a conveying device.

[0003] The traditional conveying mode is a horizontal transmission mode. For example, the prior art CN206005024U discloses a PCB production line gear transmission device, including a conveying side frame, a side frame groove, a main transmission frame, a conveying shaft frame, a main transmission gear, a free gear, and an axial gear; the upper end surface of the conveying side frame is symmetrically provided with a plurality of side frame grooves, and a conveying shaft frame is provided in the side frame groove; the upper and lower conveying shafts are respectively provided with a plurality of upper and lower conveying guide wheels; the upper and lower conveying shafts are provided with upper driven gears and lower driven gears that mesh with each other; the upper and lower conveying shafts on the other side are provided with an axial gear; two adjacent axial gears mesh with the column gear of a free gear; the outer side of the conveying side frame is provided with a plurality of main transmission frames with main transmission shafts, and the main transmission shaft is provided with a plurality of main transmission gears, which mesh with the helical gears on the free gear; the upper and lower conveying guide wheels that move synchronously and at a uniform speed can ensure the stable horizontal movement of the PCB board without being sucked up, stuck, skewed, or stuck. However, this horizontal conveying device relies on the transmission method of roller rolling, which will damage the circuit of the circuit board. In particular, during development, the pressure of the roller will damage the developing film of the circuit board and cause development defects, which will cause the circuit board to be broken or short-circuited. In addition, this horizontal conveying device has a complex structure, high manufacturing cost, and occupies a large space, which limits its scope of use. Utility Model Content

[0004] The utility model aims to provide a compact PCB fixture vertical conveying device to overcome the shortcomings in the prior art.

[0005] In order to solve the above technical problems, the technical solution of the utility model is: a compact PCB fixture vertical conveying device, including a fixture, an upper guide mechanism arranged above the fixture and a lower transmission mechanism arranged below the fixture, the substrate is loaded on the fixture, the upper guide mechanism is used to support the upper end of the fixture and guide the movement of the fixture, the lower transmission mechanism is used to drive the fixture to move, including helical gear one, helical gear two, a driven shaft, and a conveying wheel, the helical gear one is connected to the driving member, and the helical gear one is arranged below the helical gear two and meshes with the helical gear two for transmission, the helical gear two is arranged in the middle of the driven shaft, the conveying wheel is provided with one, which is located on one side of the driven shaft, and the conveying wheel is rollingly connected to the bottom of the fixture.

[0006] Furthermore, in the above-mentioned compact PCB fixture vertical conveying device, there are multiple spiral gears one, which are evenly arranged along the axial direction of the transmission shaft. The transmission shaft is connected to the driving member through a coupling, and there are also multiple spiral gears two which are arranged corresponding to the spiral gears one by one and are evenly arranged along the fixture conveying direction.

[0007] Furthermore, in the above-mentioned compact PCB fixture vertical conveying device, the lower transmission mechanism also includes a transmission side plate, two of which are symmetrically arranged on both sides of the transmission shaft, and the transmission shaft is installed on a connecting plate connecting the two transmission side plates. Bearings are provided at both ends of the driven shaft, and a U-shaped groove is provided on the transmission side plate corresponding to the second helical gear. The bearing is arranged in the U-shaped groove and is rotatably connected to the U-shaped groove.

[0008] Furthermore, in the above-mentioned compact PCB fixture vertical conveying device, the bearing is a ceramic bearing.

[0009] Furthermore, in the above-mentioned compact PCB fixture vertical conveying device, a V-shaped guide groove is provided on the outer side of the conveying wheel, and a guide bar extending along the moving direction of the fixture is provided on the bottom of the fixture, and the guide bar is embedded in the guide groove and cooperates with the guide groove.

[0010] Furthermore, in the above-mentioned compact PCB fixture vertical conveying device, the surfaces of the spiral gear 1 and the spiral gear 2 are electrolytically polished.

[0011] Furthermore, in the above-mentioned compact PCB fixture vertical conveying device, the upper guide mechanism includes a guide seat plate and guide wheels. The guide seat plate is a U-shaped groove plate, and a plurality of guide wheels arranged in parallel in pairs are provided at the bottom thereof. The upper end of the fixture passes between the guide wheels arranged in pairs.

[0012] Compared with the prior art, the utility model has the following beneficial effects: it adopts a vertical conveying method, the conveying wheel does not contact the circuit board, does not cause damage to the circuit board, and has a simple and compact structure, occupies a small space, and during the movement of the fixture, the upper end of the fixture is supported and the movement of the fixture is guided by a combination of upper and lower guides, so the conveying stability is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1It is a three-dimensional structural schematic diagram of a compact PCB fixture vertical conveying device of the utility model;

[0015] Figure 2 This is a front view of the compact PCB fixture vertical conveying device of the utility model;

[0016] Figure 3 It is a side view of the compact PCB fixture vertical conveying device of the utility model;

[0017] Figure 4 for Figure 3 A local enlarged schematic diagram;

[0018] Figure 5 It is a schematic diagram of the lower transmission mechanism of the compact PCB fixture vertical conveying device of the utility model;

[0019] In the figure: 1. fixture; 11. guide strip;

[0020] 2. Upper guide mechanism; 21. Guide seat plate; 22. Guide wheel;

[0021] 3. Lower transmission mechanism; 31. Helical gear 1; 32. Helical gear 2; 33. Driven shaft; 34. Conveying wheel; 341. Guide groove; 35. Transmission shaft; 36. Transmission side plate; 361. U-shaped groove; 37. Bearing. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example 1

[0024] like Figure 1-5As shown, a compact PCB fixture vertical conveying device includes a fixture 1, an upper guide mechanism 2 arranged above the fixture 1 and a lower transmission mechanism 3 arranged below the fixture 1, the substrate is loaded on the fixture 1, the upper guide mechanism 2 is used to support the upper end of the fixture 1 and guide the fixture 1 to move, the lower transmission mechanism 3 is used to drive the fixture 1 to move, and includes a spiral gear 1 31, a spiral gear 2 32, a driven shaft 33, and a conveying wheel 34, the spiral gear 1 31 is connected to the driving member, and the spiral gear 1 31 is arranged below the spiral gear 2 32 and meshes with the spiral gear 2 32 for transmission, the spiral gear 2 32 is arranged in the middle of the driven shaft 33, the conveying wheel 34 is provided with one, which is located on one side of the driven shaft 33, and the conveying wheel 34 is rollingly connected to the bottom of the fixture 1. When working, the drive drives the helical gear 1 31 to rotate, and the rotation of the helical gear 1 31 drives the helical gear 2 32 matched therewith to rotate, so that the driven shaft 33 and the conveying wheel 34 arranged on the driven shaft 33 rotate, and the conveying wheel 34 rotates to drive the clamp 1 to move, so as to realize the conveying of the clamp 1. The transmission mode of this helical gear has a compact structure, good meshing performance, stable transmission, low noise, and high load-bearing capacity. The conveying device of the utility model adopts vertical conveying, and the conveying wheel 34 does not contact the circuit board, and will not cause damage to the circuit board. The structure is simple and compact, and the space occupied is small. In the process of the clamp moving, the upper end of the clamp 1 is supported by the upper guide mechanism 2 and the clamp 1 is guided to move, so that the clamp conveying is stable and the conveying is stable.

[0025] Among them, Figure 1-2 As shown in FIG. 5 , there are multiple helical gears 1 31 , which are evenly arranged along the axial direction of the transmission shaft 35 . The transmission shaft 35 is connected to the driving member through a coupling. There are also multiple helical gears 2 32 , which are arranged one by one corresponding to the helical gears 1 31 , and are evenly arranged along the conveying direction of the fixture 1 . The transmission shaft 35 is vertically arranged to the driven shaft 33 .

[0026] Among them, Figure 4-5 As shown, a V-shaped guide groove 341 is provided on the outer side of the conveying wheel 34 , and a guide strip 11 extending along the moving direction of the clamp 1 is provided at the bottom of the clamp 1 . The guide strip 11 is embedded in the guide groove 341 and matches with the guide groove 341 .

[0027] In this embodiment, the drive is a servo motor, which drives the transmission shaft 35 to rotate, and the multiple helical gears 31 on the slave drive transmission shaft 35 rotate. The rotation of the helical gear 31 drives the helical gear 2 32 matched therewith to rotate, thereby driving the multiple conveying wheels 34 to rotate. The rotation of the multiple conveying wheels 34 drives the clamp 1 to move along the conveying direction. During the conveying process, the upper end of the clamp 1 is supported and guided by the upper guide mechanism 2, and the bottom is guided by the guide groove 341. The upper and lower combined guiding method is adopted, and the conveying is more stable. And a conveying wheel 34 is set on each driven shaft 33 to realize the conveying of the clamp. The overall structure is compact and easy to install, which greatly reduces the equipment cost.

[0028] Example 2

[0029] Based on the structure of Example 1, Figure 1 , 4 -5, the lower transmission mechanism 3 also includes a transmission side plate 36, two transmission side plates 36 are provided, symmetrically arranged on both sides of the transmission shaft 35, the transmission shaft 35 is mounted on a connecting plate connecting the two transmission side plates 36, bearings 37 are provided at both ends of the driven shaft 33, and a U-shaped groove 361 corresponding to the helical gear 2 32 is provided on the transmission side plate 36, and the bearing 37 is arranged in the U-shaped groove 361 and rotatably connected to the U-shaped groove 361. The driven shaft 33 is supported by the transmission side plate 36 to ensure the stability of the overall structure.

[0030] In the above structure, the bearing 37 is a ceramic bearing. Ceramic bearings are hard, wear-resistant, and corrosion-resistant, and are more suitable for the production environment of circuit boards, and have a longer service life than ordinary bearings.

[0031] In addition, the surfaces of the helical gear 1 31 and the helical gear 2 32 are both electrolytically polished. This process can improve the corrosion resistance of the helical gears and prevent the liquid medicine in the manufacturing process from damaging the helical gears, thereby increasing their service life.

[0032] like Figure 1-3 As shown, the upper guide mechanism 2 includes a guide seat plate 21 and guide wheels 22. The guide seat plate 21 is a U-shaped groove plate, and a plurality of guide wheels 22 are arranged in parallel in pairs at the bottom thereof. The upper end of the clamp 1 passes between the guide wheels 22 arranged in pairs. The upper guide mechanism 2 can guide the movement of the clamp 1 and prevent the upper end of the clamp 1 from swaying during the movement of the clamp 1, thereby improving the conveying stability of the clamp 1.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A compact PCB fixture vertical conveying device, characterized in that: It includes a clamp, an upper guide mechanism arranged above the clamp and a lower transmission mechanism arranged below the clamp, the substrate is loaded on the clamp, the upper guide mechanism is used to support the upper end of the clamp and guide the clamp to move, the lower transmission mechanism is used to drive the clamp to move, and includes a spiral gear 1, a spiral gear 2, a driven shaft, and a conveying wheel, the spiral gear 1 is connected to the driving member, and the spiral gear 1 is arranged below the spiral gear 2 and meshes with the spiral gear 2 for transmission, the spiral gear 2 is arranged in the middle of the driven shaft, the conveying wheel is provided with one, which is located on one side of the driven shaft, and the conveying wheel is rollingly connected to the bottom of the clamp.

2. The compact PCB fixture vertical conveying device according to claim 1 is characterized in that: There are multiple helical gears one, which are evenly arranged along the axial direction of the transmission shaft. The transmission shaft is connected to the driving member through a coupling. There are also multiple helical gears two, which are arranged corresponding to the helical gears one by one and are evenly arranged along the conveying direction of the fixture.

3. The compact PCB fixture vertical conveying device according to claim 2 is characterized in that: The lower transmission mechanism also includes a transmission side plate, two of which are symmetrically arranged on both sides of the transmission shaft, and the transmission shaft is mounted on a connecting plate connecting the two transmission side plates. Bearings are provided at both ends of the driven shaft, and a U-shaped groove corresponding to the second helical gear is provided on the transmission side plate. The bearing is arranged in the U-shaped groove and is rotatably connected to the U-shaped groove.

4. The compact PCB fixture vertical conveying device according to claim 3 is characterized in that: The bearing is a ceramic bearing.

5. The compact PCB fixture vertical conveying device according to claim 1 is characterized in that: A V-shaped guide groove is arranged on the outer side of the conveying wheel, and a guide strip extending along the moving direction of the clamp is arranged at the bottom of the clamp, and the guide strip is embedded in the guide groove and matched with the guide groove.

6. The compact PCB fixture vertical conveying device according to claim 1 is characterized in that: The surfaces of the helical gear 1 and the helical gear 2 are electrolytically polished.

7. The compact PCB fixture vertical conveying device according to any one of claims 1 to 6, characterized in that: The upper guide mechanism includes a guide seat plate and guide wheels. The guide seat plate is a U-shaped groove plate, and a plurality of guide wheels arranged in parallel in pairs are arranged at the bottom thereof. The upper end of the clamp passes between the guide wheels arranged in pairs.

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