Combination tool frame of gas nitriding furnace

Abstract

The utility model relates to the technical field of gas nitriding furnaces, in particular to a gas nitriding furnace combined tool frame which comprises a base and a top plate, a plurality of evenly-distributed vertical rods are fixedly connected between the base and the top plate, and a plurality of installation rings which are distributed up and down and located among the vertical rods are arranged between the base and the top plate. The multiple lead screws are matched with the multiple moving blocks to drive the multiple limiting pins to move close to one another, the multiple moving blocks drive the multiple limiting pins to move out of the inserting holes and retract into the through holes correspondingly, then the fixing state of the installation ring is relieved, then the installation ring is moved, the position of the installation ring is adjusted, and when the installation ring moves to the proper position, the installation ring is fixed. The multiple lead screws are matched with the multiple moving blocks to drive the multiple limiting pins to move away from one another, the multiple limiting pins are moved out of the through holes and enter the other multiple inserting holes correspondingly, then the multiple limiting pins and the multiple inserting holes are matched with one another to fix the mounting ring, and therefore the height of the mounting ring can be conveniently and rapidly adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of gas nitriding furnaces, in particular to a combined tooling frame for a gas nitriding furnace. Background Art

[0002] A nitriding furnace is a device used for nitriding treatment, characterized by low treatment temperatures, short treatment times, minimal workpiece deformation, and high fatigue limit and excellent wear resistance. Nitriding is a chemical heat treatment process that allows nitrogen atoms to penetrate the surface of a workpiece under a specific temperature and medium. Nitriding products exhibit excellent wear resistance, fatigue resistance, corrosion resistance, and high temperature resistance. When nitriding metal workpieces in a gas nitriding furnace, the workpieces must be placed on a tray on a fixture rack.

[0003] The Chinese patent disclosed patent number CN214881784U is a gas nitriding furnace combination tooling frame, which can adjust the distance between multiple groups of material trays as needed, reduce limitations during use, and improve reliability and practicality; it includes a base, four groups of support columns, four groups of first hooks, support blocks, bolts, material trays, slings and four groups of second hooks, the lower ends of the four groups of support columns are fixedly installed on the upper end of the base, the four groups of support columns are each provided with a first hook, the four groups of first hooks are respectively fixedly installed on the upper ends of the four groups of support columns, the four groups of support columns are each provided with multiple groups of through holes, and the multiple groups of through holes on the four groups of support columns are of different heights, the multiple groups of support blocks are each provided with internal threaded holes, and the multiple groups of bolts pass through the multiple groups of through holes on the four groups of support columns and are screwed to the multiple groups of support blocks.

[0004] When the above device adjusts the height of the material tray, it is necessary to first adjust the height of multiple support blocks. When adjusting multiple support blocks, they all need to be fixed with bolts, and then the material tray is placed on multiple support blocks that are adjusted appropriately. The adjustment process is cumbersome and the adjustment time is long, which is inconvenient to use. Utility Model Content

[0005] The purpose of the utility model is to provide a combined tooling frame for a gas nitriding furnace, which has the characteristics of convenient and rapid adjustment of the height of a material tray and is easy to use.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a combined tooling frame for a gas nitriding furnace, comprising a base and a top plate, wherein a plurality of evenly distributed vertical rods are fixedly connected between the base and the top plate, wherein the outer walls of the plurality of vertical rods are provided with a plurality of vertically distributed jacks, wherein a plurality of mounting rings are provided between the base and the top plate and are located between the plurality of vertical rods, wherein the outer walls of the mounting rings are fixedly connected with connecting blocks, wherein the upper end surfaces of the plurality of connecting blocks are provided with sliding holes;

[0007] A cavity is provided inside the mounting ring, and a plurality of evenly distributed screw rods are rotatably connected inside the cavity. The outer walls of the plurality of screw rods are fixedly connected to driven gears, and the outer walls of the plurality of screw rods are threadedly connected to a moving block located on one side of the driven gear. A plurality of evenly distributed through holes are provided through the outer wall of the mounting ring, and a side wall opposite to the plurality of moving blocks is fixedly connected to a limit pin matching the socket, and the other ends of the plurality of limit pins extend into the socket through the plurality of through holes.

[0008] In order to drive multiple driven gears to rotate, as a preferred gas nitriding furnace combination tooling frame of the present invention, the internal rotation of the cavity is connected with a rotating ring, the upper and lower end faces of the rotating ring are both equipped with teeth, and the driven gears are meshed and connected with the teeth located below.

[0009] In order to drive the rotating ring to rotate, as a preferred gas nitriding furnace combination tooling frame of the present invention, the internal rotation of the cavity is connected to a rotating shaft located above the rotating ring, and the outer wall of the rotating shaft is fixedly connected to a driving gear that is meshed with the teeth located above.

[0010] In order to support the material tray, as a preferred gas nitriding furnace combined tooling frame of the present invention, the lower end of the inner wall of the mounting ring is fixedly connected to a placement table, and the upper end surface of the placement table is placed with the material tray located inside the mounting ring.

[0011] In order to limit the position of the rotating ring, as a preferred combination fixture of a gas nitriding furnace of the present invention, the rotating ring and the cavity are slidably connected via a trapezoidal slider and a trapezoidal slide groove.

[0012] In order to facilitate the lifting of the tooling frame, as a preferred gas nitriding furnace combined tooling frame of the present invention, the upper end surface of the top plate is fixedly connected with a plurality of evenly distributed hanging rings.

[0013] In order to facilitate the rotation of the rotating shaft, as a preferred combination tooling frame of a gas nitriding furnace of the present invention, one end of the rotating shaft extends to the outside of the mounting ring and is fixedly connected to a torsion block.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0015] When adjusting the height of the mounting ring, the rotating shaft rotates, and the rotating shaft cooperates with the driving gear, the rotating ring, the two teeth and the multiple driven gears to drive the multiple screws to rotate. The multiple screws cooperate with the multiple moving blocks to drive the multiple limit pins to move closer to each other. The multiple moving blocks respectively drive the multiple limit pins to move out of the insertion holes and retract into the through holes, thereby releasing the fixed state of the mounting ring, and then the mounting ring is moved to adjust the position of the mounting ring;

[0016] When the mounting ring moves to a suitable position, the rotating shaft rotates in the opposite direction, and the rotating shaft cooperates with the driving gear, the rotating ring, the two teeth and the multiple driven gears to drive the multiple screw rods to rotate. The multiple screw rods cooperate with the multiple moving blocks to drive the multiple limit pins to move away from each other, so that the multiple limit pins move out of the through holes and enter into other multiple sockets respectively, and then the mounting ring is fixed by the mutual cooperation between the multiple limit pins and the multiple sockets, so that the height of the mounting ring can be adjusted quickly and conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model from above;

[0020] Figure 4 For this utility model Figure 2 The enlarged structural diagram of part a in the middle;

[0021] Figure 5 For this utility model Figure 3 The enlarged structural diagram of part b in the middle;

[0022] In the figure: 1. Base; 2. Top plate; 3. Vertical rod; 4. Socket; 5. Mounting ring; 6. Connecting block; 7. Slide hole; 8. Cavity; 9. Screw; 10. Driven gear; 11. Moving block; 12. Through hole; 13. Limit pin; 14. Swivel; 15. Teeth; 16. Rotating shaft; 17. Driving gear; 18. Placement table; 19. Material tray; 20. Hanging ring; 21. Twist block. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention. In the description of the present invention, it should be understood that the orientation or position relationship indicated by the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0024] See also Figures 1 to 5 A gas nitriding furnace assembly fixture includes a base 1 and a top plate 2. A plurality of evenly distributed vertical rods 3 are fixedly connected between the base 1 and the top plate 2. The outer walls of the plurality of vertical rods 3 are each provided with a plurality of vertically distributed jacks 4. A plurality of vertically distributed mounting rings 5 ​​are provided between the base 1 and the top plate 2 and are located between the plurality of vertical rods 3. The outer walls of the mounting rings 5 ​​are fixedly connected with connecting blocks 6. The upper end surfaces of the plurality of connecting blocks 6 are each penetrated by a sliding hole 7.

[0025] A cavity 8 is provided inside the mounting ring 5, and a plurality of evenly distributed screw rods 9 are rotatably connected inside the cavity 8. The outer walls of the plurality of screw rods 9 are fixedly connected to a driven gear 10, and the outer walls of the plurality of screw rods 9 are threadedly connected to a moving block 11 located on one side of the driven gear 10. A plurality of evenly distributed through holes 12 are provided through the outer wall of the mounting ring 5, and a side wall opposite to the plurality of moving blocks 11 is fixedly connected to a limit pin 13 matching the socket 4, and the other ends of the plurality of limit pins 13 extend into the socket 4 through the plurality of through holes 12 respectively.

[0026] In this embodiment, when the height of the mounting ring 5 is adjusted, the multiple driven gears 10 rotate, and the multiple driven gears 10 respectively drive the multiple screw rods 9 to rotate, and the multiple screw rods 9 respectively drive the multiple moving blocks 11 to move closer to each other, and the multiple moving blocks 11 respectively drive the multiple limit pins 13 to move out of the insertion hole 4 and retract into the through hole 12, thereby releasing the fixed state of the mounting ring 5, and then the mounting ring 5 is moved to adjust the position of the mounting ring 5. At the same time, the mounting ring 5 drives the multiple connecting blocks 6 to move, so that the multiple connecting blocks 6 respectively slide on the outer walls of the multiple vertical rods 3 through the sliding holes 7;

[0027] When the mounting ring 5 moves to a suitable position, the multiple driven gears 10 rotate in the opposite direction, and the multiple driven gears 10 cooperate with the multiple screw rods 9 and the multiple moving blocks 11 to drive the multiple limit pins 13 to move away from each other, so that the multiple limit pins 13 move out of the through holes 12 and enter into other multiple sockets 4 respectively, and then the mounting ring 5 is fixed by the mutual cooperation between the multiple limit pins 13 and the multiple sockets 4, so that the height of the mounting ring 5 can be adjusted quickly and conveniently.

[0028] As a technical optimization solution of the present invention, a swivel 14 is rotatably connected inside the cavity 8 , and teeth 15 are installed on the upper and lower end faces of the swivel 14 , and the driven gear 10 is meshed and connected with the teeth 15 located below.

[0029] In this embodiment, the rotating ring 14 rotates, and the rotating ring 14 cooperates with the teeth 15 located below to drive the multiple driven gears 10 to rotate.

[0030] As a technical optimization solution of the present invention, the interior of the cavity 8 is rotatably connected to a rotating shaft 16 located above the rotating ring 14, and the outer wall of the rotating shaft 16 is fixedly connected to a driving gear 17 that meshes with the teeth 15 located above.

[0031] In this embodiment, the rotating shaft 16 rotates, and the rotating shaft 16 cooperates with the driving gear 17 and the teeth 15 located above to drive the rotating ring 14 to rotate.

[0032] As a technical optimization solution of the present invention, a placement platform 18 is fixedly connected to the lower end of the inner wall of the mounting ring 5 , and a material tray 19 located inside the mounting ring 5 is placed on the upper end surface of the placement platform 18 .

[0033] In this embodiment, the placement table 18 can support the material tray 19, and the material tray 19 can support the workpiece.

[0034] As a technical optimization solution of the present invention, the swivel 14 and the cavity 8 are slidably connected via a trapezoidal slider and a trapezoidal sliding groove.

[0035] In this embodiment, the trapezoidal sliding block and the trapezoidal sliding groove can limit the rotating ring 14 while allowing the rotating ring 14 to rotate smoothly.

[0036] As a technical optimization solution of the present invention, a plurality of evenly distributed hanging rings 20 are fixedly connected to the upper end surface of the top plate 2 .

[0037] In this embodiment, the hanging ring 20 facilitates the lifting of the tooling frame.

[0038] As a technical optimization solution of the present invention, one end of the rotating shaft 16 extends to the outside of the mounting ring 5 and is fixedly connected to a torsion block 21 .

[0039] In this embodiment, the torsion block 21 facilitates driving the rotating shaft 16 to rotate.

[0040] Working principle: When the height of the mounting ring 5 is adjusted, the rotating shaft 16 is driven to rotate by the torsion block 21, and the rotating shaft 16 cooperates with the driving gear 17 and the teeth 15 located above to drive the rotating ring 14 to rotate, and the rotating ring 14 cooperates with the teeth 15 located below to drive multiple driven gears 10 to rotate, and the multiple driven gears 10 respectively drive the multiple screw rods 9 to rotate, and the multiple screw rods 9 respectively drive the multiple moving blocks 11 to move closer to each other, and the multiple moving blocks 11 respectively drive the multiple limit pins 13 to move out of the insertion hole 4 and retract into the through hole 12, thereby releasing the fixed state of the mounting ring 5, and then the mounting ring 5 is moved to adjust the position of the mounting ring 5. At the same time, the mounting ring 5 drives the multiple connecting blocks 6 to move, so that the multiple connecting blocks 6 respectively slide on the outer walls of the multiple vertical rods 3 through the sliding holes 7;

[0041] When the mounting ring 5 moves to a suitable position, the rotating shaft 16 is rotated in the opposite direction. The rotating shaft 16 cooperates with the driving gear 17, the rotating ring 14, the two teeth 15 and the multiple driven gears 10 to drive the multiple screw rods 9 to rotate. The multiple screw rods 9 cooperate with the multiple moving blocks 11 to drive the multiple limit pins 13 to move away from each other, so that the multiple limit pins 13 are moved out of the through hole 12 and enter the other multiple sockets 4 respectively. Then, the mounting ring 5 is fixed by the mutual cooperation between the multiple limit pins 13 and the multiple sockets 4, so that the height of the mounting ring 5 can be adjusted quickly and conveniently.

[0042] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A gas nitriding furnace assembly fixture, comprising a base (1) and a top plate (2), characterized in that: A plurality of evenly distributed vertical rods (3) are fixedly connected between the base (1) and the top plate (2); the outer walls of the plurality of vertical rods (3) are provided with a plurality of vertically distributed insertion holes (4); a plurality of vertically distributed mounting rings (5) are provided between the base (1) and the top plate (2) and are located between the plurality of vertical rods (3); the outer walls of the mounting rings (5) are fixedly connected with connecting blocks (6); the upper end surfaces of the plurality of connecting blocks (6) are provided with sliding holes (7); The interior of the mounting ring (5) is provided with a cavity (8), and a plurality of evenly distributed screw rods (9) are rotatably connected to the interior of the cavity (8), and the outer walls of the plurality of screw rods (9) are fixedly connected to a driven gear (10), and the outer walls of the plurality of screw rods (9) are threadedly connected to a moving block (11) located on one side of the driven gear (10), and the outer wall of the mounting ring (5) is provided with a plurality of evenly distributed through holes (12), and the side walls opposite to the plurality of moving blocks (11) are fixedly connected to a limiting pin (13) matching the jack (4), and the other ends of the plurality of limiting pins (13) extend into the jack (4) through the plurality of through holes (12).

2. The gas nitriding furnace assembly fixture according to claim 1, characterized in that: A rotating ring (14) is rotatably connected inside the cavity (8), and teeth (15) are installed on the upper and lower end surfaces of the rotating ring (14). The driven gear (10) is meshed and connected with the teeth (15) located below.

3. The combined fixture for a gas nitriding furnace according to claim 2, characterized in that: The cavity (8) is rotatably connected to a rotating shaft (16) located above the rotating ring (14), and the outer wall of the rotating shaft (16) is fixedly connected to a driving gear (17) meshing with the teeth (15) located above.

4. The combined fixture for a gas nitriding furnace according to claim 1, characterized in that: The lower end of the inner wall of the mounting ring (5) is fixedly connected to a placement platform (18), and the upper end surface of the placement platform (18) is provided with a material tray (19) located inside the mounting ring (5).

5. The gas nitriding furnace assembly fixture according to claim 2, characterized in that: The rotating ring (14) and the cavity (8) are slidably connected via a trapezoidal sliding block and a trapezoidal sliding groove.

6. The gas nitriding furnace assembly fixture according to claim 1, characterized in that: The upper end surface of the top plate (2) is fixedly connected with a plurality of evenly distributed hanging rings (20).

7. The combined fixture for a gas nitriding furnace according to claim 3, characterized in that: One end of the rotating shaft (16) extends to the outside of the mounting ring (5) and is fixedly connected to a torsion block (21).

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