Delivery device and grinding apparatus

Abstract

The utility model discloses a conveying device and grinding equipment relates to PCB equipment technical field, wherein, conveying device includes cylinder body and pump body, pipeline subassembly, including the intercommunication conveying pipe and bypass pipe, pump body is connected conveying pipe and bypass pipe respectively, detection piece is equipped with detection probe, detection piece is located in bypass pipe, and detection piece is used for detecting the concentration of the grinding fluid that flows through in conveying pipe, the technical effect of the technical scheme provided by the utility model is that detection piece is located on bypass pipe through adopting, and then the automatic cleaning of detection probe is realized to the grinding fluid of high speed high pressure, and the maintenance cost of detection piece is reduced without manual cleaning to detection probe, when the pump body stops working, the grinding fluid on bypass pipe flows back to the cylinder body under the action of gravity, and then the service life of detection probe is improved, and the long time soaking of detection probe in grinding fluid is avoided.

Description

Technical Field

[0001] This utility model relates to the technical field of PCB equipment, and in particular to a conveying device and a grinding device. Background Technology

[0002] In the circuit board manufacturing industry, polishing slurries containing volcanic ash and alumina are widely used in the pre-treatment of solder resist and circuit board pretreatment processes. As the polishing machine performs more polishing passes on the circuit board, a significant amount of polishing slurry is carried away. Furthermore, during the polishing process, the temperature of the polishing slurry rises due to friction between the machine and the board. This causes the slurry to flow back into the cylinder with both increased temperature and decreased concentration, thus affecting the machine's production efficiency. To ensure circuit board quality, a detection device has been added to the cylinder to monitor the concentration of the polishing slurry; however, existing detection devices are costly to maintain and do not meet user needs. Utility Model Content

[0003] The main purpose of this invention is to provide a conveying device and a grinding equipment, which aims to reduce the maintenance cost of the test pieces.

[0004] To achieve the above objectives, the present invention proposes a delivery device comprising a cylinder and a pump body. The cylinder has a receiving cavity for storing grinding fluid, and the pump body is connected to the receiving cavity. A pipeline assembly includes a delivery pipe and a bypass pipe that are interconnected. The pump body is connected to the delivery pipe and the bypass pipe respectively, and the pump body is used to deliver grinding fluid to the delivery pipe and the bypass pipe. A detection element is provided with a detection probe, which is disposed in the bypass pipe so that the detection probe can be inserted into the bypass pipe. The detection element is used to detect the concentration of grinding fluid flowing through the delivery pipe. A control assembly is provided, and the detection element is electrically connected to the control assembly.

[0005] In one embodiment, the central axis of the detection element is perpendicular to the axis of the bypass pipe.

[0006] In one embodiment, the detection element is a tuning fork density meter.

[0007] In one embodiment, both the delivery pipe and the bypass pipe are located above the cylinder body, the outer wall of the bypass pipe has an opening, the detection element is inserted into the opening, and the detection probe is located inside the bypass pipe.

[0008] In one embodiment, the detection element includes a mounting base, the detection probe is disposed at one end of the mounting base, and the detection element is inserted into the opening through the mounting base.

[0009] In one embodiment, the bypass pipe includes a connecting section and a conveying section. One end of the connecting section is connected to both the conveying pipe and the pump body, and the other end of the connecting section is connected to the conveying section. The outer wall of the connecting section has the opening.

[0010] In one embodiment, the conveying device includes a first ball valve, a second ball valve, and a third ball valve. The first ball valve is connected in series between the bypass pipe and the pump body and is used to control the flow rate of the grinding fluid in the bypass pipe. The second ball valve is connected in series between the conveying section and the connecting section and is used to control the flow rate of the grinding fluid in the conveying section. The third ball valve is connected in series within the conveying pipe and is used to control the flow rate of the grinding fluid in the conveying pipe.

[0011] In one embodiment, the connecting segment includes a first connecting segment and a second connecting segment disposed at both ends of the first connecting segment. The opening is disposed on the first connecting segment. One end of the first connecting segment is connected to the conveying pipe and the pump body through the second connecting segment, and the other end of the first connecting segment is connected to the conveying segment through the second connecting segment.

[0012] In one embodiment, the outer diameter of the second connecting segment gradually decreases from the end closest to the first connecting segment toward the end furthest from the first connecting segment.

[0013] This utility model also proposes a grinding device, including a conveying device as described in any of the above embodiments.

[0014] The technical solution of this utility model adopts a detection element set on a bypass pipe, so that the detection probe can be inserted into the bypass pipe that delivers the grinding fluid. This facilitates automatic cleaning of the detection probe by the high-speed, high-pressure grinding fluid, eliminating the need for manual cleaning and reducing the maintenance cost of the detection element. The grinding fluid can also wash away impurities on the detection probe, thereby improving the stability of the grinding fluid concentration detected by the detection element. When the pump stops working, the grinding fluid on the bypass pipe flows back into the cylinder under the action of gravity, thus avoiding the detection probe being immersed in the grinding fluid for a long time and improving the service life of the detection probe. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0016] Figure 1A schematic diagram of the structure of an embodiment of the conveying device provided by this utility model;

[0017] Figure 2 A schematic diagram of another embodiment of the conveying device provided by this utility model.

[0018] Explanation of icon numbers:

[0019] 1. Cylinder body; 11. Receiving cavity; 2. Pump body; 3. Piping assembly; 31. Delivery pipe; 32. Bypass pipe; 321. Opening; 322. Connecting section; 3221. First connecting section; 3222. Second connecting section; 323. Delivery section; 4. Detection component; 41. Detection probe; 42. Mounting base; 5. First ball valve; 51. Second ball valve; 52. Third ball valve.

[0020] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0022] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0023] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0024] This utility model proposes a conveying device.

[0025] Please see Figure 1 and Figure 2 In one embodiment of this utility model, the delivery device includes a cylinder 1, a pump 2, a pipeline assembly 3, a detection element 4, and a control assembly. The cylinder 1 has a receiving cavity 11 for storing grinding fluid, and the pump 2 is connected to the receiving cavity 11. The pipeline assembly 3 includes a delivery pipe 31 and a bypass pipe 32 that are interconnected. The pump 2 is connected to both the delivery pipe 31 and the bypass pipe 32, and is used to deliver grinding fluid to both the delivery pipe 31 and the bypass pipe 32. The detection element 4 is provided with a detection probe 41, which is disposed in the bypass pipe 32 for insertion. The detection element 4 is used to detect the concentration of the grinding fluid flowing through the delivery pipe 31. The detection element 4 is electrically connected to the control assembly.

[0026] The technical solution of this utility model adopts a detection element 4 on the bypass pipe 32, so that the detection probe 41 can be inserted into the bypass pipe 32 that delivers the grinding fluid. This facilitates the automatic cleaning of the detection probe 41 by the high-speed and high-pressure grinding fluid, eliminating the need for manual cleaning of the detection probe 41 and reducing the maintenance cost of the detection element 4. The grinding fluid can also wash away impurities on the detection probe 41, thereby improving the stability of the detection element 4 in detecting the concentration of the grinding fluid. When the pump body 2 stops working, the grinding fluid on the bypass pipe 32 flows back into the cylinder body 1 under the action of gravity, thereby avoiding the detection probe 41 being immersed in the grinding fluid for a long time and improving the service life of the detection probe 41.

[0027] In this embodiment, the cylinder 1 can be configured as a stirring cylinder, and the cylinder 1 can be provided with a receiving cavity 11 for convenient storage of the grinding slurry. The conveying device also includes a feeding assembly (not shown), which is used to add abrasive to the cylinder 1 to increase the concentration of the grinding slurry in the cylinder 1. When the detection element 4 detects that the concentration of the grinding slurry in the cylinder 1 does not meet the production requirements, the detection element 4 feeds back a detection signal to the control assembly. The control assembly controls the feeding assembly to deliver abrasive to the cylinder 1 according to the detection signal, thereby making the concentration of the grinding slurry in the cylinder 1 equal to the production standard. The conveying device also includes a spraying assembly, which is connected to the conveying pipe 31 and is used to spray the grinding slurry toward the circuit board. This application incorporates a pipeline assembly 3 comprising an interconnected delivery pipe 31 and a bypass pipe 32. The pump body 2 can be connected to the delivery pipe 31 and the bypass pipe 32 via a tee fitting. Under the operation of the pump body 2, the grinding fluid is sequentially delivered from the cylinder 1 through the pump body 2 and the delivery pipe 31 to the spray assembly. Alternatively, the grinding fluid can be sequentially delivered from the cylinder 1 through the pump body 2, the bypass pipe 32, and the delivery pipe 31 to the spray assembly. This facilitates the delivery of the grinding fluid from the cylinder 1 to the spray assembly, improving the delivery efficiency. One end of the detection element 4 is equipped with a detection probe 41. This application inserts the detection element 4 into the bypass pipe 32, allowing the detection probe 41 to be positioned within the bypass pipe 32. This facilitates the detection probe 41's use of ultrasonic waves to detect real-time changes in the density of the grinding fluid within the bypass pipe 32. The control component then determines and controls the feeding component to add abrasive material to the cylinder, improving the stability of the grinding fluid concentration within the cylinder. This application employs a method where the detection probe 41 of the detection element 4 is disposed within a bypass pipe 32. Driven by the pump body 2, the polishing fluid within the bypass pipe 32 is in a high-pressure and high-speed flow state. This allows the polishing fluid to continuously flush the detection probe 41 exposed within the bypass pipe 32, thereby preventing the detection probe 41 from being affected by foreign matter and thus improving the service life of the detection element 4. Furthermore, this application utilizes the polishing fluid to wash away impurities on the surface of the detection probe 41, eliminating the need for manual cleaning of the detection element 4 and reducing maintenance costs.

[0028] like Figure 1 As shown, in one embodiment, the central axis of the detection element 4 is perpendicular to the axis of the bypass pipe 32.

[0029] In this embodiment, the present application uses a detection element 4 inserted into the bypass pipe 32 with its central axis perpendicular to the axis of the bypass pipe 32. This makes the central axis of the detection probe 41 perpendicular to the flow direction of the polishing fluid, thus avoiding complex turbulence generated by the polishing fluid at the junction of the bypass pipe 32 and the detection probe 41, reducing interference with the detection signal, improving the stability of the detection probe 41, and making it easier for the polishing fluid to rinse the detection probe 41.

[0030] In one embodiment, the detection element 4 is a tuning fork density meter. In this embodiment, the present application uses a tuning fork density meter as the detection element 4, which is inserted into the bypass pipe 32 so that the detection probe 41 on the tuning fork density meter is located inside the bypass pipe 32. This allows the detection probe 41 to detect the real-time change in the density of the grinding fluid inside the bypass pipe 32 or the cylinder 1 by emitting ultrasonic waves. The control component then determines and controls the feeding component to add abrasive to the cylinder, thereby improving the stability of the grinding fluid concentration inside the cylinder.

[0031] like Figure 1 and Figure 2 As shown, in one embodiment, the delivery pipe 31 and the bypass pipe 32 are both located above the cylinder body 1. The outer wall of the bypass pipe 32 has an opening 321. The detection element 4 is inserted into the opening 321, and the detection probe 41 is disposed inside the bypass pipe 32.

[0032] In this embodiment, both the delivery pipe 31 and the bypass pipe 32 can be located above the cylinder body 1. The bypass pipe 32 can extend vertically, and the delivery pipe 31 can extend horizontally, so that the axis of the bypass pipe 32 can be angled with the axis of the delivery pipe 31. When the pump body 2 stops working, the height of the bypass pipe 32 above the ground is higher than the height of the cylinder body 1 above the ground, so that the grinding fluid in the bypass pipe 32 can flow back into the receiving cavity 11 of the cylinder body 1 under the action of gravity, thereby emptying the grinding fluid in the bypass pipe 32 and avoiding corrosion and rusting of the detection probe 41 due to prolonged immersion in the grinding fluid.

[0033] like Figure 1 and Figure 2 As shown, in one embodiment, the detection element 4 includes a mounting base 42, the detection probe 41 is disposed at one end of the mounting base 42, and the detection element 4 is inserted into the opening 321 through the mounting base 42.

[0034] In this embodiment, in order to improve the stability of the connection between the detection element 4 and the bypass pipe 32, the conveying device may also include fasteners. The detection element 4 includes a mounting base 42, and the detection probe 41 is disposed at one end of the mounting base 42. The mounting base 42 can be fastened to the side wall of the opening 321 on the bypass pipe 32 by fasteners, which improves the accuracy of the detection element 4 being installed on the bypass pipe 32 by the positioning and cooperation between the mounting base 42 and the opening 321, and makes it more convenient for the central axis of the detection probe 41 to be perpendicular to the axis of the bypass pipe 32 after the detection element 4 is installed.

[0035] like Figure 1 and Figure 2As shown, in one embodiment, the bypass pipe 32 includes a connecting section 322 and a conveying section 323. One end of the connecting section 322 is connected to the conveying pipe 31 and the pump body 2, respectively, and the other end of the connecting section 322 is connected to the conveying section 323. The outer wall of the connecting section 322 has the opening 321.

[0036] In this embodiment, the conveying section 323 is located on the side of the connecting section 322 away from the cylinder 1. The conveying section 323 can be used to convey the grinding fluid in the connecting section 322 to the spray assembly via the conveying pipe 31. The connecting section 322 can be used for the installation of the detection element 4. By installing the detection element 4 on the bypass pipe 32, this application avoids the detection element 4 from affecting the conveying efficiency of the conveying pipe 31 for the grinding fluid, and facilitates the return of the grinding fluid to the conveying pipe 31 via the conveying section 323 after the concentration is detected by the detection element 4, thereby improving the efficiency of detecting the concentration of the grinding fluid and the conveying efficiency of the grinding fluid.

[0037] like Figure 1 and Figure 2 As shown, in one embodiment, the conveying device includes a first ball valve 5, a second ball valve 51, and a third ball valve 52. The first ball valve 5 is connected in series between the bypass pipe 32 and the pump body 2, and is used to control the flow rate of the grinding fluid in the bypass pipe 32. The second ball valve 51 is connected in series between the conveying section 323 and the connecting section 322, and is used to control the flow rate of the grinding fluid in the conveying section 323. The third ball valve 52 is connected in series within the conveying pipe 31, and is used to control the flow rate of the grinding fluid in the conveying pipe 31.

[0038] In this embodiment, the present application employs a first ball valve 5 connected in series between the bypass pipe 32 and the pump body 2. When the detection element 4 needs to be replaced, the user can close the first ball valve 5 to stop the bypass pipe 32 from delivering the grinding fluid, thereby avoiding the impact on the delivery pipe 31's delivery of grinding fluid if the detection element 4 is damaged. The pump body 2 can be connected to one end of the first ball valve 5 via a pipe, and the other end of the first ball valve 5 can be connected to the connecting section 322, allowing the user to adjust the flow rate and velocity of the bypass pipe 32 by adjusting the opening of the first ball valve 5. In one embodiment, to facilitate the interconnection between the pump body 2, the first ball valve 5, the third ball valve 52, the connecting section 322, and the delivery pipe 31, the present application can provide a first tee (not marked) between the first ball valve 5, the second ball valve 51, and the pipe connected to the pump body 2.

[0039] In this embodiment, the second ball valve 51 is connected to both the conveying section 323 and the connecting section 322, and is located between the conveying section 323 and the connecting section 322. This allows the user to adjust the flow rate and velocity of the grinding fluid returning from the bypass pipe 32 to the conveying pipe 31 by adjusting the opening of the second ball valve 51. In one embodiment, to facilitate communication between the connecting section 322, the second ball valve 51, and the conveying section 323, this application may provide a second tee (not marked) between the second ball valve 51 and the connecting section 322.

[0040] In this embodiment, the third ball valve 52 is connected in series in the delivery pipe 31, and the third ball valve 52 is connected to both the delivery pipe 31 and the pump body 2, so that the user can adjust the flow rate and velocity of the grinding fluid delivered to the spray assembly in the delivery pipe 31 by adjusting the opening of the third ball valve 52.

[0041] like Figure 1 and Figure 2 As shown, in one embodiment, the connecting segment 322 includes a first connecting segment 3221 and second connecting segments 3222 disposed at both ends of the first connecting segment 3221. An opening 321 is disposed on the first connecting segment 3221. One end of the first connecting segment 3221 communicates with the conveying pipe 31 and the pump body 2 respectively through the second connecting segment 3222. The other end of the first connecting segment 3221 communicates with the conveying segment 323 through the second connecting segment 3222. The outer diameter of the second connecting segment 3222 gradually decreases from the end closer to the first connecting segment 3221 towards the end away from the first connecting segment 3221.

[0042] In this embodiment, the present application employs a connecting section 322 comprising a first connecting section 3221 and second connecting sections 3222 disposed at both ends of the first connecting section 3221. The first connecting section 3221 is used for positioning and installing the detection component 4. By designing the second connecting section 3222 near the pump body 2 to gradually expand, the present application reduces the flow rate of the grinding fluid, preventing excessive scouring of the detection component 4 by the high-speed, high-pressure grinding fluid. By designing the second connecting section 3222 away from the pump body 2 to gradually shrink, the present application increases the flow rate of the grinding fluid at that location, reducing the risk of clogging the outlet of the connecting section 322.

[0043] This utility model also proposes a grinding device, which includes a conveying device. The specific structure of the conveying device is as described in the above embodiments. Since this grinding device adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here.

[0044] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A conveying device, characterized in that, include: A cylinder and a pump body, the cylinder having a receiving cavity for storing grinding fluid, the pump body communicating with the receiving cavity; A piping assembly including a delivery pipe and a bypass pipe that are interconnected, wherein the pump body is connected to the delivery pipe and the bypass pipe respectively, and the pump body is used to deliver grinding fluid to the delivery pipe and the bypass pipe; The detection device is equipped with a detection probe. The detection device is disposed in the bypass pipe so that the detection probe can be inserted into the bypass pipe. The detection device is used to detect the concentration of the grinding fluid flowing through the delivery pipe. A control component, wherein the detection element is electrically connected to the control component.

2. The conveying device as described in claim 1, characterized in that, The central axis of the detection element is perpendicular to the axis of the bypass pipe.

3. The conveying device as described in claim 1, characterized in that, The testing device is a tuning fork density meter.

4. The conveying device as described in claim 1, characterized in that, Both the delivery pipe and the bypass pipe are located above the cylinder body. The outer wall of the bypass pipe has an opening, the detection element is inserted into the opening, and the detection probe is located inside the bypass pipe.

5. The conveying device as described in claim 4, characterized in that, The detection component includes a mounting base, the detection probe is disposed at one end of the mounting base, and the detection component is inserted into the opening through the mounting base.

6. The conveying device as described in claim 5, characterized in that, The bypass pipe includes a connecting section and a conveying section. One end of the connecting section is connected to both the conveying pipe and the pump body, and the other end of the connecting section is connected to the conveying section. The outer wall of the connecting section has the opening.

7. The conveying device as described in claim 6, characterized in that, The conveying device includes a first ball valve, a second ball valve, and a third ball valve. The first ball valve is connected in series between the bypass pipe and the pump body and is used to control the flow rate of the grinding fluid in the bypass pipe. The second ball valve is connected in series between the conveying section and the connecting section and is used to control the flow rate of the grinding fluid in the conveying section. The third ball valve is connected in series inside the conveying pipe and is used to control the flow rate of the grinding fluid inside the conveying pipe.

8. The conveying device as described in claim 6, characterized in that, The connecting section includes a first connecting section and a second connecting section located at both ends of the first connecting section. The opening is located on the first connecting section. One end of the first connecting section is connected to the conveying pipe and the pump body through the second connecting section, and the other end of the first connecting section is connected to the conveying section through the second connecting section.

9. The conveying device as described in claim 8, characterized in that, The outer diameter of the second connecting segment gradually decreases from the end closest to the first connecting segment toward the end away from the first connecting segment.

10. A grinding apparatus, characterized in that, Includes the conveying device as described in any one of claims 1 to 9.

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