Furnace body structure of air pressure sintering furnace
The gas pressure sintering furnace addresses positional instability and impurity issues by using adjustable clamping and vacuum systems to maintain object stability and facilitate easy cleanup, improving sintering quality and efficiency.
Patent Information
- Application Number
- CN202422328017.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-24
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-09-24
AI Technical Summary
The existing sintering furnace lacks fixation to objects during use, resulting in position offset and tilt, affecting the sintering effect, and the furnace body structure is not convenient for cleaning impurities.
The furnace body structure of the pneumatic sintering furnace is adopted, including a support frame, a sintering furnace, a vacuum box and a clamping partition. The sliding adjustment of the clamping partition and the plug-in and fixing items are fixed. The vacuum state and impurities are achieved by combining the vacuum pump and the air pump, and the movable filter prevents impurities from entering the air pump.
Effectively fix the position of the item, prevent offset, improve sintering effect, and conveniently clean impurities through vacuum and air pump systems to keep the furnace body pure.
Smart Images

Figure CN223106641U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sintering furnace bodies, and particularly relates to a furnace body structure of a gas pressure sintering furnace. Background Art
[0002] A sintering furnace is a special equipment that enables powder compacts to obtain the required physical and mechanical properties as well as microstructures through sintering. The sintering furnace is used to dry the slurry on the silicon wafer, remove the organic components in the slurry, and complete the sintering of the aluminum back field and grid lines.
[0003] In the prior art, the sintering furnace will complete the sintering of sintering objects with different rules during use. However, the traditional method lacks fixation, resulting in problems such as the displacement and inclination of the sintering objects, thus affecting the sintering effect. At the same time, impurities are generated inside the sintering furnace. If the impurities adhere to the surface of the sintering object, it will affect the appearance of use. Since the furnace body structure is not convenient for cleaning impurities, there are operational inconveniences. Content of the Utility Model
[0004] The purpose of the utility model is to provide a furnace body structure of a gas pressure sintering furnace. Place the item to be sintered inside the placement groove of the sintering plate, and complete the spacing adjustment by sliding the clamping partition plate, so as to clamp the sintering item. After clamping, insert the plug rod into the through hole to provide firmness.
[0005] To achieve the above purpose, a furnace body structure of a gas pressure sintering furnace is provided, including: a support frame, a sintering furnace, and a vacuum box. The top of the support frame is fixedly connected with the sintering furnace. A constant temperature box is fixedly connected inside the sintering furnace. Card slots are opened on both sides inside the constant temperature box. A sintering plate is inserted into the card slots. Sliding grooves are opened on both sides of the sintering plate. Clamping partition plates are slidably matched inside the sliding grooves. Placement grooves are opened on both sides of the clamping partition plates;
[0006] A vacuum box is arranged inside the support frame. An impurity feed pipe is fixedly connected to the top of the vacuum box. An air pump is arranged at the top of one side of the vacuum box.
[0007] According to the furnace body structure of the gas pressure sintering furnace, a support base is arranged on one side of the support frame. A vacuum pump is fixedly connected to the top of the support base. The vacuum pump structure can improve the vacuum state inside the sintering furnace and complete the vacuum sintering function.
[0008] According to the furnace body structure of the gas pressure sintering furnace, the input end of the vacuum pump is fixedly connected with a vacuum pipe. One end of the vacuum pipe is fixedly connected with the sintering furnace. Through the circulation of gas in the vacuum pipe, the gas inside the sintering furnace is discharged.
[0009] According to the furnace body structure of a gas pressure sintering furnace, a plurality of through holes are opened on both sides of the top of the sintering plate, and a latch rod passes through the middle through hole and the clamping partition, and the clamping partition is fixed by the latch rod and the through hole.
[0010] According to the furnace body structure of the gas pressure sintering furnace, a support plate is fixedly connected to the upper side of one side of the vacuum box, and the support plate is fixedly connected to the air pump, so that the air pump is supported by the support plate.
[0011] According to the furnace body structure of the gas pressure sintering furnace, a movable filter is movably connected between the upper part of the support plate and the vacuum box, and floating dust can be blocked by the movable filter.
[0012] According to the furnace body structure of the gas pressure sintering furnace, a box door is hinged on the front side of the sintering furnace, and a collecting box is slidably matched with the inner bottom end of the vacuum box. Impurities can be collected through the collecting box, which is convenient for unified treatment and improves the cleaning of the inside of the sintering furnace.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. The utility model discloses a gas pressure sintering furnace with a furnace body structure which is provided with: a sintering plate, a placement groove, a clamping partition and a latch rod. The objects to be sintered are placed inside the placement groove on the inner side of the sintering plate, and the spacing is adjusted by sliding the clamping partition. The sintered objects can be clamped, and after clamping, the latch rod is inserted into the inside of the through hole to provide firmness. Then, the sintering plate is slid in cooperation with the card slot to be plugged and fixed. Through this structure, the position of the sintered objects can be kept fixed, and position displacement is not easy to occur to affect the sintering effect.
[0015] 2. The utility model provides a gas pressure sintering furnace with a furnace body structure which is provided with: an air pump, a vacuum box and a collection box. The air pump provides a negative pressure state for the vacuum box, and then the gas and dust enter the interior of the collection box through the impurity feed pipe and fall into the interior of the collection box by gravity, completing the collection of impurities and facilitating cleaning. This structure can improve the purity of the sintering furnace, and placing impurities inside the sintering furnace will cause the impurities to adhere and affect subsequent use.
[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments;
[0018] Figure 1 It is a cross-sectional front view of a furnace body structure of a gas pressure sintering furnace of the utility model;
[0019] Figure 2 This is a three-dimensional enlarged view of the sintering plate of the furnace body structure of a pneumatic sintering furnace of the present utility model;
[0020] Figure 3 For the present utility model Figure 1 An enlarged view of part A in;
[0021] Figure 4 This is a three-dimensional structure diagram of a pneumatic sintering furnace of the furnace body structure of the present utility model.
[0022] In the figure: 1, support frame; 2, sintering plate; 3, sintering furnace; 4, constant temperature box; 5, vacuum tube; 6, vacuum pump; 7, support base; 8, vacuum box; 9, collection box; 10, bolt rod; 11, through hole; 12, placement groove; 13, sliding groove; 14, clamping partition; 15, support plate; 16, air pump; 17, movable filter screen; 18, box door; 19, clamping groove. Specific embodiments
[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0024] Please refer to Figures 1-4, the present utility model provides a technical solution: a furnace body structure of a gas pressure sintering furnace, comprising: a support frame 1, a sintering furnace 3, and a vacuum box 8. The top end of the support frame 1 is fixedly connected to the sintering furnace 3. Inside the sintering furnace 3, a constant temperature box 4 is fixedly connected. On both sides inside the constant temperature box 4, clamping grooves 19 are provided. The sintering plate 2 is slidably fitted with the clamping grooves 19 and inserted and fixed. The sintering plate 2 is inserted into the clamping grooves 19. On both sides of the sintering plate 2, sliding grooves 13 are provided. By slidingly cooperating with the clamping partition plate 14 through the sliding grooves 13, the movement of the clamping position can be facilitated. Inside the sliding grooves 13, the clamping partition plate 14 is slidably fitted. By placing the article to be sintered inside the placement groove 12 on the inner side of the sintering plate 2 and completing the spacing adjustment by sliding the clamping partition plate 14, the clamping of the sintered article can be achieved. On both sides of the clamping partition plate 14, placement grooves 12 are provided, which provide a placement function for clamping the article. On both sides of the top end of the sintering plate 2, a plurality of through holes 11 are provided. A pin rod 10 penetrates between the middle through hole 11 and the clamping partition plate 14. The pin rod 10 is inserted into the through hole 11 to provide firmness. A box door 18 is hinged to the front side of the sintering furnace 3. Inside the bottom end of the vacuum box 8, a collection box 9 is slidably fitted. The air pump 16 provides a negative pressure state in the vacuum box 8. Subsequently, the gas and dust will enter the collection box 9 through the impurity feed pipe by gravity and fall into the collection box 9 to complete the collection of impurities, which is convenient for cleaning;
[0025] Inside the support frame 1, a vacuum box 8 is provided. The vacuum box 8 provides a vacuum state. The top end of the vacuum box 8 is fixedly connected to an impurity feed pipe. Through the impurity feed pipe, the dropping of impurities is realized to pour in impurity waste. On the top end of one side of the vacuum box 8, an air pump 16 is provided. Driven by the air pump 16, the box door 18 is opened to clean the impurities inside the sintering furnace 3 at the top end of the impurity feed pipe. On one side of the support frame 1, a support base 7 is provided. The top end of the support base 7 is fixedly connected to a vacuum pump 6. The vacuum pump 6 pumps out the gas inside the sintering furnace 3 at the end of the vacuum tube 5 to reach a vacuum state and complete the sintering function. The input end of the vacuum pump 6 is fixedly connected to a vacuum tube 5. One end of the vacuum tube 5 is fixedly connected to the sintering furnace 3. Above one side of the vacuum box 8, a support plate 15 is fixedly connected. The support plate 15 is fixedly connected to the air pump 16. Between the upper part of the support plate 15 and the vacuum box 8, a movable filter screen 17 is movably connected. Through the movable connection of the movable filter screen 17, it is convenient to disassemble and replace. The movable filter screen 17 blocks impurities and can prevent impurities from entering the air pump 16 and affecting the use of the air pump 16.
[0026] Working principle: When in use, first place the item to be sintered inside the placement groove 12 of the sintering plate 2, and complete the spacing adjustment by sliding the clamping partition 14 to clamp the sintered item. After clamping, insert the pin rod 10 into the through hole 11 to provide firmness. Subsequently, slide the sintering plate 2 in cooperation with the clamping groove 19 and insert and fix it. Then, the vacuum pump 6 pumps out the gas inside the sintering furnace 3 at the end of the vacuum tube 5 to reach a vacuum state and complete the sintering function. After use, when dust appears inside the sintering furnace 3, it will be driven by the air pump 16, and the box door 18 will open to clean the impurities inside the sintering furnace 3 at the top of the impurity feed pipe, which will fall to the middle of the bottom end of the sintering furnace 3. At this time, the air pump 16 provides a negative pressure state in the vacuum box 8, and then the gas and dust will enter the collection box 9 through the impurity feed pipe and fall into the collection box 9 by gravity to complete the collection of impurities, which is convenient for cleaning.
[0027] The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those of ordinary skill in the art to which the present invention pertains.
Claims
1. The furnace body structure of a pressure sintering furnace, comprising a support frame (1), a sintering furnace (3) and a vacuum chamber (8), characterized in that, The top end of the support frame (1) is fixedly connected with a sintering furnace (3). Inside the sintering furnace (3), a constant temperature box (4) is fixedly connected. On both sides inside the constant temperature box (4), clamping grooves (19) are formed. Inside the clamping grooves (19), sintering plates (2) are inserted. On both sides of the sintering plates (2), sliding grooves (13) are formed. Inside the sliding grooves (13), clamping partition plates (14) are slidably engaged. On both sides of the clamping partition plates (14), placing grooves (12) are formed. Inside the support frame (1), a vacuum box (8) is arranged. The top end of the vacuum box (8) is fixedly connected with an impurity feed pipe. Above one side of the vacuum box (8), an air pump (16) is arranged.
2. The furnace body structure of a pressure sintering furnace according to claim 1, characterized in that: On one side of the support frame (1), a support base (7) is arranged. The top end of the support base (7) is fixedly connected with a vacuum pump (6).
3. The furnace body structure of a pressure sintering furnace according to claim 2, characterized in that: The input end of the vacuum pump (6) is fixedly connected with a vacuum pipe (5). One end of the vacuum pipe (5) is fixedly connected with the sintering furnace (3).
4. The furnace body structure of a gas pressure sintering furnace according to claim 1, characterized in that: On both sides of the top end of the sintering plate (2), a number of through holes (11) are formed. An insertion pin rod (10) penetrates between the middle through hole (11) and the clamping partition plate (14).
5. The furnace body structure of a gas pressure sintering furnace according to claim 1, characterized in that: Above one side of the vacuum box (8), a support plate (15) is fixedly connected. The support plate (15) is fixedly connected with the air pump (16).
6. The furnace body structure of a gas pressure sintering furnace as described in claim 5, characterized in that: Above the support plate (15), a movable filter screen (17) is movably connected between the support plate (15) and the vacuum box (8).
7. The furnace body structure of a gas pressure sintering furnace according to claim 1, characterized in that: On the front side of the sintering furnace (3), a box door (18) is hinged. Inside the vacuum box (8), a collection box (9) is slidably engaged with the bottom end.