Aging treatment clamp for stainless steel spring piece

Abstract

The utility model discloses an aging treatment clamp for a stainless steel spring piece, which belongs to the technical field of aging treatment of spring pieces and is used for fixing the stainless steel spring piece. The aging treatment clamp for the stainless steel spring piece comprises an upper bottom plate, positioning pins and a lower bottom plate which are arranged from top to bottom, the upper bottom plate is connected with the positioning pins in a sliding mode, every three positioning pins enclose to form a positioning pin set corresponding to a stainless steel spring piece installation hole, and the lower bottom plate is connected with the positioning pins in a sliding mode. Heat-resistant steel sheets and stainless steel spring sheets are arranged on the positioning pin group at intervals; positioning studs in sliding connection with the upper bottom plate are arranged at four corners of the lower bottom plate, and locking nuts are arranged on the positioning studs; according to the characteristics of the stainless steel spring piece, the clamp realizes quick assembly and disassembly of the stainless steel spring piece through the positioning pin group; the stainless steel spring piece is fixed by symmetrically screwing the locking nuts on the diagonal lines, operation is convenient, stress is even, the quality of the stainless steel spring piece is guaranteed, and the clamp is simple in structure, convenient to manufacture and long in service life.

Description

TECHNICAL FIELD

[0001] The utility model relates to spring piece aging treatment technical field especially a stainless steel spring piece aging treatment clamp. BACKGROUND

[0002] Aging treatment is alloy workpiece after solid solution treatment, from high temperature quenching or after a certain degree of cold working deformation, at higher temperature or room temperature place keep its shape, size, performance changes with time heat treatment process. After aging, hardness and strength increase, plasticity and toughness and internal stress reduce. For stainless steel spring piece, in the aging treatment process, the lattice structure of stainless steel will rearrange, thereby improve the density of its crystal structure, increase the atomic bonding strength between stainless steel materials, make hardness and strength significantly improve, mechanical properties and ductility improve, also can improve the crystal structure and surface finish of stainless steel material, thereby improve its corrosion resistance and oxidation resistance. After aging treatment, stainless steel has more excellent corrosion resistance and service life, is suitable for some important fields, such as ship, chemical industry, aerospace, ocean engineering etc. In addition, aging treatment can improve the hardness and strength of stainless steel, reduce the plastic strain of material, thereby improve the fatigue resistance of stainless steel. Aging treatment can control the organization and performance of stainless steel, makes it have stable performance in the use process. Meanwhile, can also adjust the heat treatment process of stainless steel to meet different use demands.

[0003] But for the thin-wall stainless steel spring piece used in sandblasting equipment, medical spring clamp and set in the high-temperature equipment circuit of automobile purification device, such as Figure 1The shape of the stainless steel spring sheet shown, the center of which is provided with three mounting holes, has a thickness of 0.2 mm, and if direct aging treatment is performed, the spring sheet will be deformed, such as warping, under long-term high temperature, so it is necessary to use a jig to assist in flattening to ensure the quality of the spring sheet during the aging heat treatment process; both the patent CN220312498U "aging forming jig for beryllium bronze spring sheet" and the patent CN205803568U "butterfly spring sheet aging jig" use a jig that is adapted to the spring sheet for fixation; however, in the patent CN220312498U "aging forming jig for beryllium bronze spring sheet", the cover plate and the bottom plate are connected by connecting studs, the connecting bolts pass through the pin holes, and then the connecting ball head at one end is fixedly and rotatably arranged on the bottom plate, the connecting ball head directly acts on the fixing pin, the middle part of the fixing pin is subjected to a relatively large tension, and during the aging treatment process, under the action of a long-term high temperature, the fixing pin is bent and deformed due to the excessively large tension, so that the jig cannot be normally used and is inconvenient to maintain; in addition, the connecting bolts are arranged on both sides of the jig, so that only the two sides of the jig are subjected to stress during use, the uniformity of the force distribution is poor, and the quality of the product is affected to a certain extent; the jig in the patent CN205803568U "butterfly spring sheet aging jig" also has this problem. Content of the utility model

[0004] The technical problem to be solved by the utility model is to provide a stainless steel spring sheet aging treatment jig for fixing the stainless steel spring sheet to effectively prevent the stainless steel spring sheet from being deformed during aging treatment and to improve the quality of the product.

[0005] The utility model discloses a stainless steel spring sheet aging treatment jig which comprises upper bottom plates, positioning pins and lower bottom plates arranged in sequence from top to bottom, the positioning pins are vertically arranged on the lower bottom plates, the upper bottom plates are provided with positioning holes corresponding to the positioning pins one by one, the stainless steel spring sheets are arranged on the positioning pins, and the upper bottom plates are slidably connected with the positioning pins.

[0006] Further, the plurality of heat-resistant steel sheets and the plurality of stainless steel spring sheets are alternately arranged on the positioning pin groups; 10 stainless steel spring sheets are clamped between adjacent heat-resistant steel sheets on the same positioning pin group.

[0007] Further, the two adjacent groups of positioning pins are spaced 5-8mm apart.

[0008] Further, two handgrips are symmetrically arranged above the upper bottom plate and are arranged between two adjacent positioning studs.

[0009] As a preferred mode, the handgrips are arranged above the upper bottom plate by argon arc welding.

[0010] Further, the upper bottom plate and the lower bottom plate are made of CrWMn.

[0011] The stainless steel spring sheet aging treatment clamp is characterized in that corresponding positioning pins are arranged on the lower bottom plate according to the characteristics of the stainless steel spring sheet, the stainless steel spring sheet is positioned and disassembled directly through the positioning pin perforation, the blocking pin positioning is saved, and the positioning arrangement is simplified; the stainless steel spring sheet is fixed between the upper bottom plate and the lower bottom plate by applying pressure to the stainless steel spring sheet through symmetrically tightening the locking nuts on the diagonal lines, 4 groups of positioning studs and locking nuts are arranged, the operation is more convenient, the stress is more uniform, the quality of the stainless steel spring sheet after aging treatment is ensured, the stainless steel spring sheet aging treatment clamp has a simple structure, is convenient to manufacture, and has a longer service life. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 : a structural schematic view of a stainless steel spring sheet;

[0013] Figure 2 : a front view of the stainless steel spring sheet aging treatment clamp;

[0014] Figure 3 : a side view of the stainless steel spring sheet aging treatment clamp;

[0015] Figure 4 : a top view of the stainless steel spring sheet aging treatment clamp;

[0016] Reference signs: 1 - stainless steel spring sheet; 11 - mounting hole; 2 - lower bottom plate; 21 - positioning pin; 211 - positioning pin group; 3 - upper bottom plate; 31 - handgrip; 4 - positioning stud; 41 - locking nut; 5 - heat-resistant steel sheet. DETAILED DESCRIPTION

[0017] The utility model is further described below.

[0018] The utility model provides a stainless steel spring piece aging treatment anchor clamps, mainly used for stainless steel spring piece's aging treatment, including from top to bottom set up's upper bottom plate 3, positioning pin 21 and lower bottom plate 2, positioning pin 21 vertical setting is on lower bottom plate 2, the upper bottom plate 3 is set up with the positioning hole that corresponds with positioning pin 21 one by one, stainless steel spring piece 1 is threaded on positioning pin 21, the upper bottom plate 3 is slidably connected with positioning pin 21, every three positioning pin 21 enclose and form the positioning pin group 211 corresponding with the mounting hole 11 on stainless steel spring piece 1, a plurality of heat -resistant steel sheet 5 that correspond with the shape of stainless steel spring piece 1 is threaded on every positioning pin group 211, and stainless steel spring piece 1 is equipped between adjacent heat -resistant steel sheet 5, the four corners of lower bottom plate 2 are all equipped with the positioning stud 4 that penetrates upper bottom plate 3, the upper bottom plate 3 is slidably connected with positioning stud 4, and the upper portion of every positioning stud 4 is equipped with the locking nut 41 for locking the upper bottom plate 3 with lower bottom plate 2.

[0019] As Figures 2-4 The stainless steel spring piece aging treatment anchor clamps includes upper bottom plate 3, positioning pin 21 and lower bottom plate 2 set up from bottom to bottom, and a plurality of positioning pins 21 are fixed on the lower bottom plate 2, as shown in Figure 1 Every three positioning pins 21 and the mounting hole 11 on the stainless steel spring piece 1 are set up one by one to form the positioning pin group 211, which is convenient for the operator to assemble and disassemble the stainless steel spring piece 1, and a plurality of stainless steel spring pieces 1 threaded on the adjacent positioning pin groups 211 are pressed tightly to improve the processing efficiency of the stainless steel spring piece 1 and avoid the adhesion of the stainless steel spring piece 1 on the left and right sides during the aging treatment process, as shown in Figure 4 A plurality of positioning pin groups 211 are arranged on the lower bottom plate 2 and penetrate the upper bottom plate 3, so that the upper bottom plate 3 can slide up and down along the positioning pins 21 to press the stainless steel spring piece 1 threaded on the positioning pin group 211 and located between the upper bottom plate 3 and the lower bottom plate 2, and the number and spacing of the positioning pin groups 211 are arranged according to the size of the lower bottom plate 2, a plurality of heat -resistant steel sheet 5 that correspond with the shape of stainless steel spring piece 1 are threaded on the positioning pin group 211 to avoid the large-scale adhesion of the stainless steel spring piece 1 together during the aging treatment process, the stainless steel spring piece 1 is arranged between adjacent heat -resistant steel sheet 5, so that the stainless steel spring piece 1 and the heat -resistant steel sheet 5 are alternately arranged on the positioning pin group 211, and positioning studs 4 are arranged on the four corners of the lower bottom plate 2 to ensure that the stainless steel spring piece 1 can be pressed tightly between the upper bottom plate 3 and the lower bottom plate 2 and uniformly stressed, and locking nuts 41 for locking the upper bottom plate 3 and the lower bottom plate 2 are arranged above each positioning stud 4, as shown in Figures 2-4As shown, the four corners of the lower bottom plate 2 are respectively provided with a positioning stud 4, and the positioning stud 4 penetrates the upper bottom plate 3 so that the upper bottom plate 3 can slide up and down along the positioning stud 4, so as to adjust the position of the upper bottom plate 3 according to the number of stainless steel spring sheets 1 arranged between the upper bottom plate 3 and the lower bottom plate 2, and by screwing the four locking nuts 41 located on the diagonal lines, the upper bottom plate 3 is used to apply pressure to the stainless steel spring sheet 1 to fix the stainless steel spring sheet 1, so that the stainless steel spring sheet 1 located between the upper bottom plate 3 and the lower bottom plate 2 is more evenly stressed, and the connection point of the positioning stud 4 and the lower bottom plate 2 will not be bent and deformed due to uneven stress, which can better ensure the quality of the stainless steel spring sheet 1, and the positioning stud 4 is directly arranged on the two diagonal lines of the lower bottom plate 2, which is simpler to manufacture and facilitates the production of the stainless steel spring sheet aging treatment clamp. According to the characteristics of the stainless steel spring sheet, corresponding positioning pins 21 are arranged on the lower bottom plate 2, and the stainless steel spring sheet is positioned and disassembled directly through the positioning pin 21 perforation, which saves the blocking pin positioning and simplifies the positioning arrangement; the stainless steel spring sheet 1 is fixed between the upper bottom plate 3 and the lower bottom plate 2 by symmetrically tightening the locking nuts 41 on the diagonal lines, and there are 4 groups of positioning studs and locking nuts 41, which is more convenient to operate and more evenly stressed, so as to ensure the quality of the stainless steel spring sheet 1 after aging treatment, and the stainless steel spring sheet aging treatment clamp has a simple structure, is easy to manufacture, and has a longer service life.

[0020] The heat-resistant steel sheets 5 and the stainless steel spring sheets 1 located on the same positioning pin group 211 can be alternately arranged at intervals to avoid the stainless steel spring sheets 1 from sticking together; however, in order to save the cost of arranging the heat-resistant steel sheets 5 and improve the production efficiency of the stainless steel spring sheets 1, 10 stainless steel spring sheets 1 are arranged between adjacent heat-resistant steel sheets 5 located on the same positioning pin group 211; while reducing the number of heat-resistant steel sheets 5, it is ensured that the stainless steel spring sheets 1 arranged between the heat-resistant steel sheets 5 will not stick together too much during the aging treatment process, although there are still a few adjacent stainless steel spring sheets 1 that will be scrapped due to sticking, the production efficiency is improved.

[0021] In order to avoid the stainless steel spring sheets 1 on the adjacent two positioning pin groups 211 from sticking together during the aging treatment process, the interval between the adjacent two positioning pin groups 211 is 5-8 mm; by controlling the interval between the adjacent positioning pin groups 211 to be 5-8 mm, it can be ensured that the stainless steel spring sheets 1 on the adjacent two positioning pin groups 211 will not stick together, and the space on the lower bottom plate 2 can be fully utilized to arrange as many positioning pin groups 211 as possible.

[0022] In order to facilitate the movement of the upper bottom plate 3 of the stainless steel spring sheet aging treatment clamp, the positioning stud 4 is provided with a handle 42, and the handle 42 is arranged on the upper end of the positioning stud 4. Figures 2-4As shown, the upper side of the upper bottom plate 3 is symmetrically provided with two handgrips 31; the handgrip 31 is arranged between two adjacent positioning studs 4 to avoid affecting the up-down sliding of the upper bottom plate 3 along the positioning stud 4; in order to ensure the connection stability of the handgrip 31 and the upper bottom plate 3, the handgrip 31 is welded on the upper side of the upper bottom plate 3 by argon arc welding; in use, the hook of the electric hoist is hooked on the handgrip 31, and then the electric hoist is started to realize the up-down movement of the upper bottom plate 3; and when the aging treatment clamp needs to be moved, the upper bottom plate 3 and the lower bottom plate 2 are fixed by the locking nut 41, and then the electric hoist can be used to move it, thereby saving time and reducing labor cost.

[0023] In order to ensure that the upper bottom plate 3 and the lower bottom plate 2 remain unchanged under the condition of continuous high temperature during the aging treatment of the stainless steel spring piece 1, the upper bottom plate 3 and the lower bottom plate 2 are made of CrWMn.

Claims

1. A stainless steel spring sheet aging treatment clamp, comprising an upper bottom plate (3), a positioning pin (21) and a lower bottom plate (2) arranged in sequence from top to bottom, the positioning pin (21) is vertically arranged on the lower bottom plate (2), the upper bottom plate (3) is provided with a positioning hole corresponding to the positioning pin (21) one by one, the stainless steel spring sheet (1) is arranged on the positioning pin (21), and the upper bottom plate (3) is in sliding connection with the positioning pin (21); characterized in that: Every three positioning pins (21) form a positioning pin group (211) corresponding to the mounting hole (11) on the stainless steel spring sheet (1), and multiple positioning pin groups (211) are arranged on the lower bottom plate (2) at intervals, and multiple heat-resistant steel sheets (5) corresponding to the shape of the stainless steel spring sheet (1) are arranged on each positioning pin group (211), and the stainless steel spring sheet (1) is arranged between adjacent heat-resistant steel sheets (5); four corners of the lower bottom plate (2) are provided with positioning studs (4) penetrating the upper bottom plate (3), the upper bottom plate (3) is in sliding connection with the positioning studs (4), and the upper portion of each positioning stud (4) is provided with a locking nut (41) for locking the upper bottom plate (3) and the lower bottom plate (2). ​ 2. A stainless steel spring temper clamp as defined in claim 1 wherein: Multiple heat-resistant steel sheets (5) and multiple stainless steel spring sheets (1) are arranged on the positioning pin group (211) alternately; 10 stainless steel spring sheets (1) are arranged between adjacent heat-resistant steel sheets (5) in the same positioning pin group (211).

3. A stainless steel spring temper clamp as defined in claim 1 wherein: The interval between two adjacent positioning pin groups (211) is 5-8mm.

4. A stainless steel spring temper clamp as defined in claim 1 wherein: Two hand-held handles (31) are symmetrically arranged above the upper bottom plate (3), and the hand-held handles (31) are arranged between two adjacent positioning studs (4).

5. A stainless steel spring temper clamp as defined in claim 4 wherein: The hand-held handle (31) is arranged above the upper bottom plate (3) by argon arc welding.

6. A stainless steel spring temper clamp as defined in claim 1 wherein: The upper bottom plate (3) and the lower bottom plate (2) are made of CrWMn.

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