Heat treatment tool and engine valve
By introducing sub-assembly components and fixing structures into the heat treatment fixture, the problem of valves for various engine models being unable to be installed individually was solved, enabling the sub-assembly and fixing of valves for various engine models, simplifying the heat treatment process and improving processing efficiency.
Patent Information
- Application Number
- CN202520045739.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-01-09
AI Technical Summary
Existing heat treatment fixtures cannot individually load valves for various engine models, requiring workers to pick out each type of engine valve separately after heat treatment, making the process quite cumbersome.
A heat treatment fixture was designed, comprising a base, pulleys, a frame, and a sub-assembly assembly. By setting up sub-assembly plates, positioning blocks, lead screws, and steel wire ropes, it is possible to sub-assemble and fix valves of various engine models, making it convenient to pick them out individually later.
It enables the separate assembly and fixing of valves for various engine models, simplifies the heat treatment process, improves processing efficiency, and avoids the hassle of having to pick them out separately after heat treatment.
Smart Images

Figure CN223823642U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to heat treatment frock technical field especially relates to a heat treatment frock and engine valve. BACKGROUND
[0002] Heat treatment frock is used for loading engine valve and sending into heating furnace and carries out heat treatment, and heat treatment frock is composed of base, pulley and enclosure, when using heat treatment frock, the worker pours engine valve into the enclosure, then external cylinder, pushes the base, makes the base into heating furnace with the help of pulley, thereby heat treatment of engine valve.
[0003] The inventor found in daily work that heat treatment frock can not load each single model engine valve when using, so that only multiple models of engine valve can be directly loaded into heat treatment frock, so that the worker needs to pick out each model engine valve after heat treatment, which may make heat treatment of multiple models of engine valve more troublesome. UTILITY MODEL CONTENTS
[0004] The utility model discloses a kind of heat treatment frock and engine valve to solve the problem that in actual use process, since engine valve needing heat treatment can have multiple models, and heat treatment frock can not load each single model engine valve, so that only multiple models of engine valve can be directly loaded into heat treatment frock, so that the worker needs to pick out each model engine valve after heat treatment, which may make heat treatment of multiple models of engine valve more troublesome.
[0005] To achieve the above object, the utility model adopts the following technical scheme: a kind of heat treatment frock and engine valve, including base, the lower end of the base is installed with pulley, the upper end of the base is provided with multiple identical enclosures, the lowermost side enclosure is fixed with base, multiple enclosures are all provided with fixed assembly between two, the inner wall of the enclosure is provided with subpackaging assembly, the subpackaging assembly includes subpackaging plate arranged in the inner wall of enclosure, the arc surface of the enclosure is slidably inserted with positioning block, the positioning block is inserted into subpackaging plate, the left end of the positioning block is rotatably connected with screw rod, and the screw rod is threadedly connected with the enclosure.
[0006] The effect achieved by the above components is that: when heat treating engine valves of various types, workers first pour one type of engine valve into the frame, then workers put the subassembly into the frame, then workers rotate the screw by hand to push the positioning block into the subassembly, thereby fixing the subassembly, then workers pour another type of engine valve into the subassembly, and then repeat the process, thereby subassembling engine valves of various types, and then sending the engine valves into a heating furnace for heat treatment, thereby achieving the function of conveniently picking out the engine valves after heat treatment.
[0007] Preferably, the lower end of the subassembly is provided with two identical steel wires, and the two steel wires are arranged in a scissors shape.
[0008] The effect achieved by the above components is that: by pulling the mechanism, the steel wires drag the bottom of the subassembly, thereby assisting in supporting the subassembly and avoiding bending of the middle part of the subassembly.
[0009] Preferably, the two ends of the steel wire are fixedly connected with hooks, and the lower end of the subassembly is provided with a cylinder.
[0010] The effect achieved by the above components is that: workers hook the hooks at the two ends of the steel wire to the cylinder, and then workers move the mechanism to tighten the steel wire, so that the steel wire drags the bottom of the subassembly.
[0011] Preferably, the arc surface of the frame is threadedly inserted with a screw rod, the screw rod is rotatably connected with the cylinder, the arc surface of the frame is slidably inserted with a guide rod, and the guide rod is fixed with the cylinder.
[0012] The effect achieved by the above components is that: workers rotate the screw rod by using a wrench or a hand drill, so that the cylinder moves under the action of the guide rod, thereby tightening the steel wire.
[0013] Preferably, the fixing assembly comprises a circular block fixedly connected to the lower end of the frame, the arc surface of the circular block is slidably inserted with a plurality of evenly distributed positioning pins, and the right end of each positioning pin is provided with a sliding surface.
[0014] The effect achieved by the above components is that: when adding the fence, workers drag the fence, so that the circular block is inserted into the lower fence, the positioning pins are inserted into the lower fence by means of the sliding surface and the reset mechanism, thereby fixing the fence, and achieving the function of adding the fence.
[0015] Preferably, the left end of each positioning pin is fixedly connected with a first spring, and the other end of the first spring is fixed with the circular block.
[0016] The effect achieved by the above components is that: by providing the first spring, the positioning pins are reset.
[0017] Preferably, the left end of the positioning bolt is fixedly connected with a pull rope, and the pull rope penetrates through the circular block and the surrounding frame.
[0018] The effect achieved by the above components is that the pull rope is pulled to make the positioning bolt completely retract into the circular block, thereby dragging the fence to be disassembled.
[0019] Preferably, the heat treatment tooling is located inside the heat treatment tooling.
[0020] The effect achieved by the above components is that the worker pours the engine valve into the heat treatment tooling, and then sends the heat treatment tooling into the heating furnace for heat treatment of the engine valve.
[0021] In summary, the beneficial effects of the present application are:
[0022] In the present application, when multiple types of engine valves are heat treated, the worker first pours one type of engine valve into the surrounding frame, then the worker puts the sub-packaging plate into the surrounding frame, then the worker rotates the screw by hand to push the square block into the sub-packaging plate to fix the sub-packaging plate, then another type of engine valve is poured onto the sub-packaging plate, and the process is repeated to sub-packaging multiple types of engine valves, which are then sent into the heating furnace for heat treatment, thereby achieving the function of conveniently picking out each type of engine valve after heat treatment, and solving the problem that the heat treatment tooling cannot load each type of engine valve, so that multiple types of engine valves are directly loaded into the heat treatment tooling, and the worker needs to pick out each type of engine valve after heat treatment, which is troublesome. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the present application;
[0024] Figure 2 It is a schematic diagram of the three-dimensional structure of the fixed assembly of the present application;
[0025] Figure 3 It is a schematic diagram of the three-dimensional structure of the sub-packaging assembly of the present application;
[0026] Figure 4 It is a schematic diagram of the three-dimensional structure of the guide rod profile of the present application.
[0027] Legend: 1, base; 2, subassembly; 3, fixed assembly; 4, pulley; 5, frame; 21, subassembly plate; 22, positioning block; 23, lead screw; 24, steel wire rope; 25, hook; 26, guide rod; 27, cylinder; 28, screw; 31, round block; 32, positioning bolt; 33, sliding surface; 34, first spring; 35, pull rope. DETAILED DESCRIPTION
[0028] Referring to Figure 1 The utility model provides a technical scheme: a heat treatment frock and engine valve include base 1, the lower end of base 1 is installed with pulley 4, the upper end of base 1 is provided with multiple identical frames 5, the lowest frame 5 is fixed with base 1, multiple frames 5 are all provided with fixed assembly 3 between two two, the inner wall of frame 5 is provided with subassembly 2.
[0029] The specific settings and functions of subassembly 2 and fixed assembly 3 will be described below.
[0030] Referring to Figure 3 And Figure 4 In the embodiment, subassembly 2 includes subassembly plate 21 provided on the inner wall of frame 5, positioning block 22 is slidingly inserted into the arc surface of frame 5, positioning block 22 is inserted into subassembly plate 21, the left end of positioning block 22 is rotatably connected with lead screw 23, and lead screw 23 is threadedly connected with frame 5. By providing subassembly 2, when multiple types of engine valves are heat treated, workers first pour one type of engine valve into frame 5, then workers put subassembly plate 21 into frame 5, then workers rotate lead screw 23 by hand to push positioning block 22 to be inserted into subassembly plate 21, thereby fixing subassembly plate 21, then another type of engine valve is poured onto subassembly plate 21, and then the process is repeated to subassemble multiple types of engine valves and then send them into a heating furnace for heat treatment, thereby achieving the function of conveniently picking out multiple types of engine valves after heat treatment. The lower end of subassembly plate 21 is provided with two identical steel wire ropes 24, the two steel wire ropes 24 are arranged in a scissors shape, the steel wire ropes 24 are pulled by a pulling mechanism to pull the bottom of subassembly plate 21 to assist in supporting subassembly plate 21 and avoid bending of the middle part of subassembly plate 21. The two ends of steel wire rope 24 are fixedly connected with hook 25. The lower end of subassembly plate 21 is provided with cylinder 27. Workers hook hook 25 at the two ends of steel wire rope 24 onto cylinder 27, then a moving mechanism is used to tighten steel wire rope 24 to pull the bottom of subassembly plate 21. Screw 28 is threadedly inserted into the arc surface of frame 5, screw 28 is rotatably connected with cylinder 27, guide rod 26 is slidingly inserted into the arc surface of frame 5, and guide rod 26 is fixed with cylinder 27. Workers rotate screw 28 by using a wrench or hand drill to move cylinder 27 under the action of guide rod 26, thereby tightening steel wire rope 24.
[0031] Referring to Figure 2 As shown in the embodiment: the fixed assembly 3 includes a circular block 31 fixedly connected to the lower end of the enclosure 5, the circular arc surface of the circular block 31 is slidably inserted with a plurality of evenly distributed positioning pins 32, the right end of the positioning pin 32 is provided with a sliding surface 33, when the fence is installed, the fence is dragged, so that the circular block 31 is inserted into the lower fence, and the sliding surface 33 and the reset mechanism are used to make the positioning pin 32 inserted into the lower fence, thereby fixing the fence, so as to achieve the installation of the fence, the left end of the positioning pin 32 is fixedly connected with a first spring 34, the other end of the first spring 34 is fixed with the circular block 31, by setting the first spring 34, the positioning pin 32 is reset, the left end of the positioning pin 32 is fixedly connected with a pull rope 35, the pull rope 35 penetrates the circular block 31 and the enclosure 5, the pull rope 35 is pulled, so that the positioning pin 32 is completely retracted into the circular block 31, thereby dragging the fence for disassembly, the worker pours the engine valve into the heat treatment tool, and then sends the heat treatment tool into the heating furnace for heat treatment of the engine valve.
[0032] Working principle:
[0033] When the heat treatment tool is used, the worker pours the engine valve into the enclosure 5, and then the external cylinder pushes the base 1, so that the base 1 is pushed into the heating furnace by means of the pulley 4, thereby heat treating the engine valve, when heat treating various types of engine valves, the worker first pours one type of engine valve into the enclosure 5, then the worker puts the sub-packaging plate 21 into the enclosure 5, then the worker twists the lead screw 23 by hand to push the positioning block 22 to be inserted into the sub-packaging plate 21, thereby fixing the sub-packaging plate 21, then another type of engine valve is poured onto the sub-packaging plate 21, and then repeated, thereby sub-packaging various types of engine valves, and then sending them into the heating furnace for heat treatment, thereby achieving the function of conveniently picking out the heat-treated engine valves as much as possible, the worker hooks the hooks 25 at both ends of the steel wire rope 24 to the cylinder 27, and then the worker twists the screw rod 28 by a wrench or a hand drill, so that the cylinder 27 moves under the action of the guide rod 26, the steel wire rope 24 is tightened, the steel wire rope 24 drags the bottom of the sub-packaging plate 21, thereby assisting in supporting the sub-packaging plate 21, and avoiding bending of the middle part of the sub-packaging plate 21, when the fence is installed, the fence is dragged, so that the circular block 31 is inserted into the lower fence, and the sliding surface 33 and the reset mechanism are used to make the positioning pin 32 inserted into the lower fence, thereby fixing the fence, so as to achieve the installation of the fence, the worker pulls the pull rope 35, so that the positioning pin 32 is completely retracted into the circular block 31, thereby dragging the fence for disassembly, the worker pours the engine valve into the heat treatment tool, and then sends the heat treatment tool into the heating furnace for heat treatment of the engine valve.
[0034] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments without departing from the technical content of the present application, and in accordance with the technical essence of the present application, still belong to the protection scope of the present application. In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connecting" should be understood in a broad sense. For example, it can be fixed connection, detachable connection or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediate medium; and it can be internal communication of two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to specific circumstances.
Claims
1. A heat treatment fixture, comprising a base (1), characterized in that: The lower end of the base (1) is equipped with a pulley (4), and the upper end of the base (1) is provided with multiple identical frames (5). The lowermost frame (5) is fixed to the base (1). Each pair of frames (5) is provided with a fixing component (3). The inner wall of the frame (5) is provided with a disassembly component (2). The disassembly component (2) includes a disassembly plate (21) provided on the inner wall of the frame (5). A positioning block (22) is slidably inserted into the arc surface of the frame (5). The positioning block (22) is inserted into the disassembly plate (21). The left end of the positioning block (22) is rotatably connected to a screw rod (23). The screw rod (23) is threadedly connected to the frame (5).
2. The heat treatment fixture according to claim 1, characterized in that: The lower end of the packaging plate (21) is provided with two identical steel wire ropes (24), which are arranged in a scissor shape.
3. The heat treatment fixture according to claim 2, characterized in that: The two ends of the wire rope (24) are fixedly connected to hooks (25), and the lower end of the sub-packing plate (21) is provided with a cylinder (27).
4. A heat treatment fixture according to claim 3, characterized in that: A screw (28) is threadedly inserted into the arc surface of the frame (5), and the screw (28) is rotatably connected to the cylinder (27). A guide rod (26) is slidably inserted into the arc surface of the frame (5), and the guide rod (26) is fixed to the cylinder (27).
5. A heat treatment fixture according to claim 4, characterized in that: The fixing component (3) includes a circular block (31) fixedly connected to the lower end of the frame (5). The circular block (31) has a plurality of evenly distributed positioning pins (32) slidably inserted on its arc surface. The right end of the positioning pin (32) has a sliding surface (33).
6. A heat treatment fixture according to claim 5, characterized in that: The left end of the positioning pin (32) is fixedly connected to a first spring (34), and the other end of the first spring (34) is fixed to a circular block (31).
7. A heat treatment fixture according to claim 6, characterized in that: The left end of the positioning pin (32) is fixedly connected to a pull rope (35), which passes through the circular block (31) and the frame (5).
8. An engine valve, characterized in that: The heat treatment fixture described in any one of claims 1-7 is used.