Workshop for PCB pressing process
By installing air inlets and outlets, air purification devices, and anti-static conveyor belts in the PCB board lamination workshop, the problem of cross-contamination by dust and foreign matter has been solved, product quality and reliability have been improved, and customer complaints and increased costs have been avoided.
Patent Information
- Application Number
- CN202423108924.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2034-12-17
AI Technical Summary
During the lamination process of PCB boards, the inability to achieve automated assembly line operation leads to cross-contamination of dust and foreign objects, resulting in product defects, affecting product quality and reliability, increasing production costs, and causing customer complaints and order losses.
Multiple air inlets and outlets are installed in the workshop, along with air purification devices and constant temperature and humidity equipment. Anti-static conveyor belts and dust collection mechanisms are used, and anti-static clothing and flooring are provided. Combined with windless environment-type static elimination devices, comprehensive anti-static measures are implemented to control the workshop environment and prevent the spread of dust and foreign objects.
It effectively eliminates the problem of cross-contamination by dust and foreign objects, improves the yield and reliability of PCB boards, and avoids customer complaints and order loss.
Smart Images
Figure CN223798433U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to PCB production technical field especially relates to a workshop of PCB pressing procedure. BACKGROUND
[0002] In the pressing procedure workshop machining process, the pressing procedure workshop cannot realize full automation flow operation, needs manual operation, and the PP material used in the production process is easy to drop resin powder, the personnel walking back and forth causes dust and foreign matters to be raised again, and the personnel and the ground rub in the walking process, produce static electricity, adsorb dust and foreign matters, personnel contact products during product processing cause dust and foreign matters to fall on the product, produce appearance defect and reliability short circuit risk.
[0003] In order to solve the above problem, the scheme is to transform the PCB pressing procedure workshop, and a kind of workshop of PCB pressing procedure is provided. UTILITY MODEL CONTENT
[0004] The utility model discloses a kind of workshops of PCB pressing procedure, which is used to solve the problem that foreign matter cross contamination causes PCB board product to be bad, affect product quality and reliability, lead to production cost increase, product flows out to customer end can cause customer complaint, cause order loss.
[0005] A kind of workshop of PCB pressing procedure, multiple air inlet windows are provided on the wall of workshop near top, multiple air outlet windows are provided on the wall of workshop near ground, a layer of partition is provided in the space below the air inlet window and 2 meters high from ground, multiple air purification devices are provided on the partition, each air purification device is arranged in equal volume space, multiple constant temperature equipment and multiple constant humidity equipment are provided in the middle of the wall of workshop, first anti-static mechanism is provided on workshop production line, dust collection mechanism is provided on the lower side of the conveying belt of production line, second anti-static mechanism is provided on the ground of workshop.
[0006] Further, the first anti-static mechanism includes an anti-static conveying belt, the conveying belt is provided with a plurality of mesh holes, and the mesh holes are aligned below the dust collection mechanism.
[0007] Further, the dust collection mechanism includes a dust collection cavity provided on the lower side of the conveying belt, a plurality of suction pipes are provided at the bottom of the dust collection cavity, and the suction pipes are communicated with the suction pump at the lower part of the production line.
[0008] Further, the air inlet window is communicated with the air supply equipment outside the workshop.
[0009] Further, the air outlet window is communicated with an air extraction device outside the workshop.
[0010] Further, the air purification device is a windless environment type static electricity removing device, which has a real-time networking alarm function, and automatically alarms when the static electricity exceeds the specification, so as to prevent in time.
[0011] Further, each of the windless environment type static electricity removing devices is arranged in a space of 2m*2m*2m=8 cubic meters.
[0012] Further, the constant temperature device comprises a temperature controller, a heater and a refrigerating device connected with the temperature controller.
[0013] Further, the constant humidity device comprises a hygrometer and a humidifier connected with the hygrometer.
[0014] Further, the second anti-static mechanism is an anti-static special floor.
[0015] In summary, the technical scheme of the utility model has the following beneficial effects:
[0016] The PCB pressing process workshop provided by the scheme is improved in the design of the key process environment of the pressing and purification room, and the problem of dust and foreign matter spreading cross contamination is fundamentally solved by preventing from the source. The scheme is provided with a partition plate at a distance of 2m from the air inlet, so that the air first passes through the windless environment type static electricity removing device, and the fresh air is ionized after being filtered by the static electricity removing device and diffused into the whole workshop environment. The temperature and humidity of the workshop environment are controlled, the anti-static conveying belt is used on the production line, and the mesh is arranged on the conveying belt. The resin powder dropped by the PP material (i.e. the material used for pressing the PCB) is quickly sucked into the dust suction cavity (which will be cleaned regularly) through the dust suction mechanism under the mesh. The operator wears anti-static clothes and shoes, and wears an anti-static mask and gloves. The ground is an anti-static special floor, and the human body static electricity eliminator is arranged at the entrance of the workshop. The anti-static measures are comprehensively taken and strictly controlled in the whole space environment of the workshop, so as to fundamentally solve the problem of static electricity adsorbing dust and foreign matter spreading cross contamination caused by the movement of personnel, thereby improving the yield and reliability of the PCB product, and preventing the problem of customer complaints and order loss of the PCB. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the description of the embodiments of the utility model. Obviously, the drawings in the following description are only part of the embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.
[0018] Figure 1 Fig. 1 is a structural schematic view of a workshop for a PCB pressing process according to the present application.
[0019] Marked explanation:
[0020] 1 - air inlet window, 2 - air outlet window, 3 - air purification device, 4 - constant temperature device, 5 - constant humidity device, 6 - production line, 7 - conveying belt, 8 - dust suction cavity, 9 - air suction pump, 10 - air supply device, 11 - air exhaust device, 12 - partition. Specific implementation
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0022] As shown in Figure 1 Fig. 1 is a structural schematic view of a workshop for a PCB pressing process according to the present application. A plurality of air inlet windows 1 are arranged on the top of the workshop wall, a plurality of air outlet windows 2 are arranged on the ground of the workshop wall, a layer of partition 12 is arranged in the space below the air inlet window 1 and 2 meters high from the ground, a plurality of air purification devices 3 are arranged on the partition 12, each air purification device 3 is arranged in an equal volume space, a plurality of constant temperature devices 4 and a plurality of constant humidity devices 5 are arranged in the middle of the workshop wall, a first anti-static mechanism is arranged on the production line 6 of the workshop, a dust suction mechanism is arranged on the lower side of the conveying belt 7 of the production line 6, and a second anti-static mechanism is arranged on the ground of the workshop. The production line 6 is provided with grounding anti-static measures. The entrance of the workshop is also provided with a human body static electricity eliminator (not shown in the figure).
[0023] Specifically, the first anti-static mechanism includes an anti-static conveying belt 7, a plurality of mesh holes (not shown in the figure) are arranged on the conveying belt 7, the size and spacing of the mesh holes are optimized and set according to repeated experimental tests, and the mesh holes are aligned below the dust suction mechanism.
[0024] Specifically, the dust suction mechanism includes a dust suction cavity 8 arranged on the lower side of the conveying belt 7, a plurality of air suction pipes (not shown in the figure) are arranged at the bottom of the dust suction cavity 8, and the air suction pipes are communicated with the air suction pump 9 arranged at the lower part of the production line 6.
[0025] Specifically, the air inlet window 1 is communicated with the air supply device 10 outside the workshop.
[0026] Specifically, the air outlet window 2 is communicated with the air exhaust device 11 outside the workshop.
[0027] Specifically, the air purification device 3 is a windless environment type static electricity removing device, which has a real-time networking alarm function, and automatically alarms when the static electricity exceeds the standard, so as to prevent in time. The air purification device 3 is installed in the partition window of the partition 12.
[0028] Optimally, each windless environment type static electricity removing device is arranged in a space of 2m x 2m x 2m = 8 cubic meters. The static electricity removing effect of this arrangement is the best.
[0029] Specifically, the constant temperature device comprises a temperature controller, a heater and a refrigerating device connected with the controller.
[0030] Specifically, the constant humidity device comprises a hygrometer and a humidifier connected with the hygrometer.
[0031] Specifically, the second anti-static mechanism is an anti-static special floor.
[0032] The workshop temperature and humidity standards of the PCB pressing process of the present application are: temperature 23±3℃, relative humidity 45%-70%RH. RH is the abbreviation of relative humidity. The constant temperature device and the constant humidity device are prior art, and their specific working principles are not described here. According to the specific conditions of the factory, the air inlet window 1 can be directly replaced by an air inlet fan, and the air outlet window 2 can be directly replaced by an air outlet fan. It is particularly pointed out that the present application also has facilities and tools required for production in the workshop, which belong to prior art and are not described here.
[0033] In summary, the technical scheme of the present application has the following beneficial effects:
[0034] The workshop for the PCB pressing process of the present application transforms the design of the key process environment of the pressing and purification room, prevents from the source, and fundamentally eliminates the occurrence of dust and foreign matter spreading cross contamination. The present application sets a partition at a distance of 2 meters from the air inlet, so that the air first passes through the windless environment type static electricity removing device. After efficient filtration, the fresh air passes through the static electricity removing device and is ionized, and then diffuses into the entire workshop environment. The workshop environment is controlled at constant temperature and constant humidity. An anti-static conveyor belt is used on the production line, and a mesh is arranged on the conveyor belt. The resin powder dropped by the PP material (i.e. the material used for PCB pressing) is quickly sucked into the dust suction cavity (which will be cleaned regularly) through the dust suction mechanism below the mesh. The operator wears anti-static clothes and shoes, and wears an anti-static mask and gloves. The ground is an anti-static special floor, and a human body static electricity eliminator is arranged at the entrance of the workshop. The anti-static measures are taken in the entire workshop space environment, and strict control is carried out, so as to fundamentally solve the problem of static electricity adsorbing dust and foreign matter spreading cross contamination caused by personnel movement, thereby improving the yield and reliability of the PCB product, and eliminating the problem of customer complaints and order loss of the PCB.
[0035] The above-described embodiments do not constitute a limitation on the protection scope of the technical solutions. Any modification, equivalent replacement and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solutions.
Claims
1. A press procedure for PCB boards, characterized in that: A plurality of air inlet windows are arranged on the top of the workshop wall, a plurality of air outlet windows are arranged on the ground of the workshop wall, a layer of partition is arranged in the space below the air inlet windows and 2 meters away from the ground, a plurality of air purification devices are arranged on the partition, each air purification device is arranged in an equal volume space, a plurality of constant temperature devices and a plurality of constant humidity devices are arranged in the middle of the workshop wall, a first anti-static mechanism is arranged on the production line of the workshop, a dust suction mechanism is arranged on the lower side of the conveyor belt of the production line, and a second anti-static mechanism is arranged on the ground of the workshop.
2. The press procedure of claim 1, wherein: The first anti-static mechanism comprises an anti-static conveyor belt, and a plurality of mesh holes are arranged on the conveyor belt.
3. The press procedure of claim 1, wherein: The dust suction mechanism comprises a dust suction cavity arranged on the lower side of the conveyor belt, and a plurality of suction pipes are arranged on the bottom of the dust suction cavity and communicated with a suction pump arranged on the lower part of the production line.
4. The press procedure of claim 1, wherein: The air inlet window is communicated with the air supply equipment outside the workshop.
5. The press procedure of claim 1, wherein: The air outlet window is communicated with the air exhaust equipment outside the workshop.
6. The press procedure of claim 1, wherein: The air purification device is a windless environment type static electricity removing device, which has a real-time networking alarm function, and automatically alarms when the static electricity exceeds the specification, so as to prevent in time.
7. The press procedure according to claim 6, wherein Each windless environment type static electricity removing device is arranged in a space of 2m*2m*2m=8 cubic meters.
8. The press procedure of claim 1, wherein: The constant temperature device comprises a temperature controller, a heater and a refrigerating device connected with the controller.
9. The press procedure of claim 1, wherein: The constant humidity device comprises a hygrometer and a humidifier connected with the hygrometer.
10. The press procedure of claim 1, wherein: The second anti-static mechanism is an anti-static special floor.