Fine grinding tungsten powder bar sintering equipment

Abstract

The utility model provides fine-grinding tungsten powder bar sintering equipment, belongs to the technical field of fine-grinding tungsten powder bar production, and is used for solving the technical problems that an existing fine-grinding tungsten powder bar sintering box is inconvenient to take and place materials, and the working efficiency is influenced. Comprising a sintering box, a sealing door is arranged on one side of the sintering box, rotating columns are arranged on the inner walls of the two sides of the sintering box, rotating rings are rotationally arranged on the outer sides of the rotating columns, a plurality of supporting rods which are circumferentially and evenly distributed are arranged on the outer sides of the rotating rings, connecting pieces are rotationally arranged on the supporting rods, and a storage rack is fixed between the two corresponding connecting pieces on the two rotating rings; a positioning mechanism for fixing the rotating ring is arranged on the inner wall of the sintering box; according to the fine grinding tungsten powder bar sintering equipment, the storage rack can be rotated to the position in front of the sealing door, an operator can conveniently conduct feeding and discharging, feeding and discharging do not need to be conducted on the space in the sintering box, operation is more convenient, and therefore the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the production technology field of fine grinding tungsten powder rod, and relates to a fine grinding tungsten powder rod sintering equipment. BACKGROUND

[0002] Fine grinding tungsten powder rod is used as a part of a tool handle in the production process of a PCB milling cutter and a PCB drill bit, and the fine grinding tungsten powder rod is generally made by fine grinding tungsten powder. The fine grinding tungsten powder is in a powder state, and is first pressed by a corresponding mold to preliminarily form a rod, and then is sintered at high temperature in a sintering furnace. The manufacturing process is simple.

[0003] The fine grinding tungsten powder rod sintering process takes a lot of time, and a large amount of fine grinding tungsten powder rod needs to be sintered at one time. An operator needs to put the fine grinding tungsten powder rod formed by pressing and a carbon disc bearing the fine grinding tungsten powder rod into a sintering box together. After sintering and cooling are completed, the fine grinding tungsten powder rod is taken out. However, the sintering box is large in size and can store a large amount of fine grinding tungsten powder rod. The operator is not convenient to take and place the fine grinding tungsten powder rod inside the sintering box, and the work efficiency is reduced.

[0004] Based on this, a fine grinding tungsten powder rod sintering equipment is designed. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at the above problems existing in the prior art, and provides a fine grinding tungsten powder rod sintering equipment. The technical problem to be solved by the device is how to change the position of the material in the fine grinding tungsten powder rod sintering box, facilitate the operator to take and place the material at the inside position, and improve the work efficiency.

[0006] The purpose of the utility model can be achieved by the following technical scheme.

[0007] A fine grinding tungsten powder rod sintering equipment includes a sintering box. One side of the sintering box is provided with a sealing door. The inner walls of the two sides of the sintering box are both provided with rotating columns. The outer side of the rotating column is rotatably provided with a rotating ring. The outer side of the rotating ring is provided with a plurality of circumferentially distributed supporting rods. The supporting rods are rotatably provided with connecting pieces. Two connecting pieces on the two rotating rings are fixedly provided with a storage rack. The inner wall of the sintering box is provided with a positioning mechanism for fixing the rotating ring.

[0008] The connecting piece includes a connecting plate and square connecting ears fixed on the connecting plate. The storage rack is fixed with the connecting plate. The connecting ears are fixedly provided with fixed shafts. The supporting rods are provided with rotating holes. The fixed shafts are rotatably arranged in the rotating holes at the corresponding positions.

[0009] With the above structure, in use, the storage rack is always kept below the fixed shaft under the gravity of the storage rack itself and the tungsten powder bar and carbon disc stored thereon, so that the storage rack cannot be turned over, the tungsten powder bar is prevented from falling off, and the stability of the tungsten powder bar is improved.

[0010] The rotating column is provided with a first graphite coating on the outside, and the fixed shaft is provided with a second graphite coating on the outside.

[0011] With the above structure, in use, the first graphite coating and the second graphite coating can respectively ensure the smooth rotation of the rotating ring and the fixed shaft, so that the frictional resistance is reduced, and the graphite can withstand the high temperature generated during sintering, so that the lubricating effect is continuously stable and effective.

[0012] The storage rack comprises two oppositely distributed angle steels, and the bottoms of the two angle steels are fixed with a plurality of equally spaced connecting strips.

[0013] With the above structure, in use, the carbon disc can be placed between the two angle steels and can slide transversely, so that the operator can conveniently take and place the material.

[0014] The positioning mechanism comprises an extension rod fixed at the end of the supporting rod, the extension rod is provided with a positioning ring at the end, a positioning hole is formed in the inner wall of the sintering box, and a positioning pin is arranged between the positioning hole and the corresponding positioning ring.

[0015] With the above structure, in use, the positioning pin can fix the supporting rod and the rotating ring to prevent them from rotating, so that the storage rack is prevented from shaking, the positioning pin can be pulled out after one storage rack is finished taking or placing the material, the other storage rack can be moved in front of the operator by rotating the rotating ring, and then the positioning pin can be inserted again, so that the operator can conveniently take and place the material by repeating the operation.

[0016] The extension rod is provided with a communication hole in the inside, the communication hole is in communication with the inside of the positioning ring and the rotating hole at two ends, a pressing rod is arranged in the communication hole, a rounded corner is formed at one end of the pressing rod in the inside of the positioning ring, and an anti-skid rubber block is fixed at the end of the pressing rod away from the positioning ring.

[0017] With the above structure, when the operator inserts the positioning pin to prepare to take or place the material, the positioning pin will press the pressing rod to the other end through the rounded corner, so that the anti-skid rubber block abuts against the fixed shaft, the stability of the fixed shaft is improved, and the stability of the storage rack when the operator takes or places the material is further improved.

[0018] A round hole is formed in the anti-skid rubber block.

[0019] With the above structure, when the anti-skid rubber block is extruded, the circular hole can provide deformation space for the anti-skid rubber block, on the one hand, preventing the anti-skid rubber block from being stuck, on the other hand, enabling the extrusion rod to have a certain moving space, improving the operation fluency of the device.

[0020] Compared with the prior art, the tungsten powder bar sintering equipment has the following advantages:

[0021] 1. The sintering box, rotating column, rotating ring, supporting rod, connecting piece and storage rack can rotate the storage rack in front of the sealing door, facilitating the operator to load and unload, without the need to load and unload the space inside the sintering box, and the operation is more convenient, thereby improving the work efficiency.

[0022] 2. The connecting piece and the storage rack ensure that the storage rack can be kept in a vertical state while changing position, without causing the carbon disc and the fine grinding tungsten powder bar stored thereon to fall off, improving the stability of the equipment, and the position of the carbon disc on the storage rack can be freely adjusted, facilitating the operator to load and unload.

[0023] 3. The positioning mechanism can lock the rotation of the rotating ring and the fixed shaft, preventing the storage rack from rotating and swinging when the operator loads and unloads, improving the stability of the equipment during loading and unloading, and further facilitating the operator to operate. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a three-dimensional structure schematic diagram of the utility model;

[0025] Figure 2 is a plane structure schematic diagram of the sintering box inside the utility model;

[0026] Figure 3 is a three-dimensional structure schematic diagram of the sintering box inside the utility model;

[0027] Figure 4 is a structure schematic diagram of one side inner wall of the sintering box in the utility model;

[0028] Figure 5 is a sectional structure schematic diagram of the extension rod in the utility model;

[0029] Figure 6 is a structure schematic diagram of the extrusion rod in the utility model;

[0030] Figure 7 is a structure schematic diagram of the storage rack in the utility model.

[0031] In the figure: 1, sintering box; 2, sealing door; 3, rotating column; 301, first graphite coating; 4, rotating ring; 5, support rod; 501, rotating hole; 6, connecting piece; 601, connecting plate; 602, connecting lug; 603, fixed shaft; 604, second graphite coating; 7, storage rack; 701, angle steel; 702, connecting strip; 8, positioning mechanism; 801, extension rod; 802, positioning ring; 803, positioning hole; 804, positioning bolt; 805, communication hole; 806, extrusion rod; 807, anti-skid rubber block; 808, round corner; 809, round hole. DETAILED DESCRIPTION

[0032] The technical solutions of the patent will be further described in detail below in combination with specific embodiments.

[0033] The embodiments of the patent will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the patent, and cannot be understood as a limitation on the patent.

[0034] In the description of the patent, it should be understood that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the patent and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the patent.

[0035] In the description of the patent, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, set, or detachably connected, set, or integrally connected, set. For those skilled in the art, the specific meanings of the above terms in the patent can be understood according to the specific circumstances.

[0036] Please refer to Figures 1-7 The embodiment provides a tungsten powder bar sintering equipment, which comprises a sintering box 1, a sealing door 2 is arranged on one side of the sintering box 1, rotating columns 3 are arranged on the inner walls of the two sides of the sintering box 1, rotating rings 4 are rotatably arranged on the outer sides of the rotating columns 3, support rods 5 are arranged on the outer sides of the rotating rings 4 at equal intervals in a circle, connecting pieces 6 are rotatably arranged on the support rods 5, a storage rack 7 is fixed between the connecting pieces 6 on the two rotating rings 4, and a positioning mechanism 8 for fixing the rotating rings 4 is arranged on the inner wall of the sintering box 1.

[0037] The connecting piece 6 comprises a connecting plate 601 and square connecting ears 602 fixed on the connecting plate 601, the storage rack 7 is fixed with the connecting plate 601, the connecting ears 602 are fixed with fixing shafts 603, the supporting rod 5 is provided with rotating holes 501, and the fixing shafts 603 are rotatably arranged in the rotating holes 501 in the corresponding positions; in use, the storage rack 7 is always kept below the fixing shafts 603 under the action of the gravity of the storage rack 7 and the tungsten powder rod material and the carbon disc stored thereon, so that the storage rack 7 cannot be turned on one side, the tungsten powder rod material is prevented from falling, and the stability of the tungsten powder rod material is improved.

[0038] The outer side of the rotating column 3 is provided with a first graphite coating 301, and the outer side of the fixing shaft 603 is provided with a second graphite coating 604; in use, the first graphite coating 301 and the second graphite coating 604 can respectively ensure the rotating fluency of the rotating ring 4 and the fixing shaft 603, so that the frictional resistance is reduced, and the graphite can withstand the high temperature generated during sintering, so that the lubricating effect is continuously, stably and effectively maintained.

[0039] The storage rack 7 comprises two oppositely distributed angle steels 701, and the bottoms of the two angle steels 701 are fixed with a plurality of equidistantly distributed connecting strips 702; in use, the carbon disc can be placed between the two angle steels 701 and can slide transversely, so that the operator can conveniently take and place the material.

[0040] The positioning mechanism 8 comprises an extension rod 801 fixed at the end of the supporting rod 5, the extension rod 801 is provided with a positioning ring 802 at the end, the inner wall of the sintering box 1 is provided with a positioning hole 803, and the positioning hole 803 is provided with a positioning pin 804 between the corresponding positioning ring 802; in the process of taking or placing the material, the positioning pin 804 can fix the supporting rod 5 and the rotating ring 4 to prevent them from rotating, so that the storage rack 7 is prevented from shaking, after one storage rack 7 finishes taking or placing the material, the positioning pin 804 can be pulled out, the other storage rack 7 is moved to the front of the operator by rotating the rotating ring 4, and then the positioning pin 804 is inserted again, so that the operation of taking and placing the material can be repeated.

[0041] The extension rod 801 is provided with a communication hole 805, the two ends of the communication hole 805 are respectively communicated with the inside of the positioning ring 802 and the rotating hole 501, the communication hole 805 is movably provided with an extrusion rod 806, one end of the extrusion rod 806 located in the inside of the positioning ring 802 is provided with a round corner 808, and the end of the extrusion rod 806 away from the positioning ring 802 is fixed with an anti-skid rubber block 807; when the operator inserts the positioning pin 804 to prepare to take or place the material, the positioning pin 804 will extrude the extrusion rod 806 to the other end through the round corner 808, so that the anti-skid rubber block 807 abuts against the fixing shaft 603, the stability of the fixing shaft 603 is improved, and the stability of the storage rack 7 during the operation of the operator taking or placing the material is further improved.

[0042] The anti-skid rubber block 807 is provided with a circular hole 809, which can provide a deformation space for the anti-skid rubber block 807 when the anti-skid rubber block 807 is pressed, so as to prevent the anti-skid rubber block 807 from being stuck, and to enable the pressing rod 806 to have a certain moving space, thereby improving the operation fluency of the device.

[0043] In the embodiment, the fixing modes are the most commonly used fixing connection modes in the art, such as welding, bolt connection, etc.

[0044] The working principle of the utility model is as follows:

[0045] When taking or placing the material, the operator opens the sealing door 2 to operate the storage rack 7 in front, and when the storage rack 7 is full of carbon discs or all the carbon discs are taken out, the positioning pin 804 is pulled out, then the storage rack 7 is rotated to the front, and the positioning pin 804 is inserted into the positioning ring 802 and the positioning hole 803 in the corresponding position, and at this time, the positioning pin 804 will press the pressing rod 806 to the other end through the round corner 808, so that the anti-skid rubber block 807 abuts against the fixed shaft 603, thereby improving the stability of the fixed shaft 603, and when the operator takes or places the material, the storage rack 7 will not rotate or swing, which is convenient for the operator to operate, and the above process is repeated to rotate each storage rack 7 to the outside for taking or placing the material, so that the operator can operate more conveniently, thereby improving the work efficiency, in addition, the carbon disc can be placed between the two angle steels 701 and can slide transversely, which is convenient for the operator to take or place the material, and the storage rack 7 is always kept below the fixed shaft 603 under the action of its own gravity and the gravity of the ground tungsten powder rod and the carbon disc stored thereon, so as to prevent the storage rack 7 from tilting and the ground tungsten powder rod from falling, thereby improving the stability of the ground tungsten powder rod.

[0046] The above describes the preferred embodiment of the patent in detail, but the patent is not limited to the above embodiment, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the patent.

Claims

1. A precision ground tungsten powder rod stock sintering apparatus comprising a sintering box (1), characterized in that, One side of the sintering box (1) is provided with a sealing door (2), both sides of the sintering box (1) are provided with rotating columns (3), the outer side of the rotating column (3) is provided with a rotating ring (4), the outer side of the rotating ring (4) is provided with a plurality of circumferentially distributed supporting rods (5), and the supporting rod (5) is provided with a connecting piece (6), two connecting pieces (6) on the two rotating rings (4) are fixed with a storage rack (7), and the inner wall of the sintering box (1) is provided with a positioning mechanism (8) for fixing the rotating ring (4).

2. The apparatus according to claim 1, wherein The connecting piece (6) includes a connecting plate (601) and a square connecting lug (602) fixed on the connecting plate (601), the storage rack (7) is fixed with the connecting plate (601), the connecting lug (602) is fixed with a fixed shaft (603), the supporting rod (5) is provided with a rotating hole (501), and the fixed shaft (603) is rotatably arranged in the corresponding rotating hole (501).

3. The apparatus according to claim 2, wherein The outer side of the rotating column (3) is provided with a first graphite coating (301), and the outer side of the fixed shaft (603) is provided with a second graphite coating (604).

4. The apparatus according to claim 1 or 2, wherein The storage rack (7) includes two oppositely distributed angle steels (701), and the bottom of the two angle steels (701) is fixed with a plurality of equidistantly distributed connecting strips (702).

5. The apparatus according to claim 2, wherein The positioning mechanism (8) includes an extension rod (801) fixed on the end of the supporting rod (5), the extension rod (801) is provided with a positioning ring (802) at the end, and the inner wall of the sintering box (1) is provided with a positioning hole (803), the positioning hole (803) and the corresponding positioning ring (802) are provided with a positioning bolt (804).

6. A precision grinding tungsten powder rod stock sintering apparatus according to claim 5, wherein The extension rod (801) is provided with a communication hole (805) inside, and the two ends of the communication hole (805) are communicated with the inside of the positioning ring (802) and the rotating hole (501), respectively, the communication hole (805) is provided with an extrusion rod (806), one end of the extrusion rod (806) inside the positioning ring (802) is provided with a round corner (808), and the end of the extrusion rod (806) away from the positioning ring (802) is fixed with an anti-skid rubber block (807).

7. A precision grinding tungsten powder rod stock sintering apparatus according to claim 6, wherein The anti-skid rubber block (807) is provided with a round hole (809).

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