Hot prestressing device for oil quenching steel wire spring

Abstract

The utility model relates to the technical field of hot prestressing of springs, and discloses a hot prestressing device for an oil-quenched steel wire spring. The hot prestressing device comprises a processing table, when the placing table is located in the processing box, a communicating hole is in butt joint with a conveying hole, a heater is started to heat air, then heat is conveyed into a placing groove through the conveying hole and the communicating hole, and therefore heating processing can be conducted on springs in the placing groove, and then a second hydraulic rod is started to drive the springs to be placed in the placing groove. An inner rod of a second hydraulic rod pushes a fixing plate and a strong pressure head to descend, the strong pressure head can perform hot strong pressure treatment on a spring in a placement groove, after treatment is completed, the inner rod of the second hydraulic rod ascends, and a placement table is taken out of a treatment box by reversely starting a motor and a screw hole block; and the first hydraulic rod pushes the push plate to ascend, so that the spring after being pressed is conveniently taken out, and the situation that the spring is prone to popping up when being pressed can be effectively avoided through the arrangement of the placing groove.

Description

Technical Field

[0001] The utility model relates to the technical field of spring hot pressing, in particular to an oil quenching steel wire spring hot pressing device. Background Art

[0002] Hot pressing of springs refers to the pressure on springs at high temperatures, also known as "tempering" or "high temperature quenching". Springs that have undergone hot pressing treatment have more uniform mechanical properties distribution, higher hardness and elastic limit, better fatigue resistance and service life.

[0003] According to Chinese patent publication number CN220005818U, the utility model discloses an electric hot plate heating type spring high temperature pressing machine, including a workbench, a cylinder A and a cylinder B, the workbench surface is symmetrically installed with an outer guide rail A and an outer guide rail B for supporting a spring slide plate, and the workbench surface between the outer guide rail A and the outer guide rail B is symmetrically installed with an inner guide rail A and an inner guide rail B for slidingly supporting a discharge slide plate, and a discharge port is opened through the workbench surface between the inner guide rail A and the inner guide rail B. By setting an electric hot plate heating type spring high temperature pressing machine for heating and pressing the spring, this electric hot plate heating type spring high temperature pressing machine occupies a small space, and the electric hot plate heating type spring high temperature pressing machine is highly efficient when performing spring heating and pressing treatment, and the height of the spring after pressing is stable, which greatly facilitates the spring heating and pressing treatment.

[0004] However, when the spring is subjected to heat pressing treatment, it is easy to cause the spring to bend and deform, causing it to pop out, and it is not convenient to take out the spring after the pressing. In view of this, we propose a heat pressing device for oil-quenched steel wire springs. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides an oil-quenched steel wire spring thermal pressing device.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an oil-quenched steel wire spring hot pressing device includes a processing table, a positioning and material-taking mechanism is arranged on the processing table, the positioning and material-taking mechanism includes a placing table, the placing table is slidably connected to the top of the processing table, a placing groove is provided on the top of the placing table, a connecting hole is also provided on one side of the placing table, an inner cavity is provided inside the placing table, a first hydraulic rod is fixedly installed on the inner wall of the inner cavity, the inner rod of the first hydraulic rod passes through the placing groove and is fixedly installed with a push plate, and the push plate is slidably connected to the inner wall of the placing groove.

[0009] Preferably, a heat-pressing mechanism is also provided on the top of the processing table, and the heat-pressing mechanism includes a processing box, a heater is fixedly installed on one side of the processing box, and a conveying hole is opened on one side of the inner wall of the processing box, and the conveying hole is connected to the heater. According to this preference, the heater heats the air, and then the heat is conveyed to the inside of the placement tank through the conveying hole and the connecting hole.

[0010] Preferably, the heat-pressing mechanism further comprises a second hydraulic rod, the second hydraulic rod is fixedly mounted on the top of the processing box, a fixing plate is fixedly mounted on the inner rod of the second hydraulic rod, and a strong pressure head is fixedly mounted on the bottom of the fixing plate. According to this preference, the inner rod of the second hydraulic rod pushes the fixing plate and the strong pressure head to descend, and the strong pressure head can perform heat-pressing treatment on the spring inside the placement groove.

[0011] Preferably, a support plate is fixedly installed on the top of the processing table, and a screw is rotatably connected to one side of the support plate through a bearing. The number of the screws is two, and the outer wall thread sleeves of the two screws are provided with screw hole blocks, and the screw hole blocks are fixedly connected to the placement table. Through this preference, the screw hole blocks drive the placement table into the processing box, so as to facilitate the subsequent hot pressing treatment.

[0012] Preferably, a motor is fixedly mounted on the top of the processing table through a support table, and the output end of the motor is fixedly connected to one end of one of the screw rods. According to this preference, by starting the motor, the output end of the motor drives one of the fixedly connected screw rods to rotate.

[0013] Preferably, the screw rod outer wall fixed sleeve is provided with a pulley set, and the two screw rods are connected by belt transmission. According to this preference, the pulley set provided on the screw rod outer wall fixed sleeve rotates, and the two screw rods rotate synchronously under the transmission connection of the belt.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides an oil-quenched steel wire spring heat pressing device, which has the following beneficial effects:

[0016] 1. A device for hot pressing of oil-quenched steel wire springs, when the placement table is inside the processing box, the connecting hole is connected with the conveying hole, and the heater is started to heat the air, and then the heat is conveyed to the inside of the placement slot through the conveying hole and the connecting hole, so that the spring inside the placement slot can be heated, and then the second hydraulic rod is started, so that the inner rod of the second hydraulic rod pushes the fixed plate and the strong pressure head to descend, and the strong pressure head can perform hot pressing on the spring inside the placement slot. After the treatment is completed, the inner rod of the second hydraulic rod rises, and the motor is started in reverse, and the screw hole block brings the placement table out of the processing box, and the first hydraulic rod is started, and the first hydraulic rod pushes the push plate to rise, so that the spring after strong pressing can be taken out, and the placement slot is set to effectively avoid the situation that the spring is easy to pop out when it is strongly pressed.

[0017] 2. This oil-quenched steel wire spring hot pressing device places the spring that needs to be hot pressed inside a placement groove, and then starts the motor so that the motor output end drives one of the fixedly connected screws to rotate, thereby driving the pulley set fixedly mounted on the outer wall of the screw to rotate, and through the transmission connection of the belt, the two screws rotate synchronously, thereby driving the screw hole blocks threadedly mounted on the outer walls of the two screws to move, and the screw hole blocks drive the placement table into the processing box, thereby facilitating subsequent hot pressing treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the front cross-sectional structure of the placement table of the utility model;

[0021] Figure 3 It is a schematic diagram of the side cross-sectional structure of the processing box of the utility model.

[0022] In the figure: 1, processing table; 21, positioning and material taking mechanism; 211, placement table; 212, placement groove; 213, connecting hole; 214, first hydraulic rod; 215, push plate; 31, hot pressing mechanism; 311, processing box; 312, heater; 313, conveying hole; 314, second hydraulic rod; 315, fixing plate; 316, pressing head; 4, screw; 5, screw hole block; 6, motor; 7, pulley kit. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Example 1

[0025] like Figure 1-3 As shown, the utility model provides an oil-quenched steel wire spring hot pressing device including a processing table 1, a positioning and material taking mechanism 21 is arranged on the processing table 1, the positioning and material taking mechanism 21 includes a placing table 211, the placing table 211 is slidably connected to the top of the processing table 1, a placing groove 212 is opened on the top of the placing table 211, a connecting hole 213 is also opened on one side of the placing table 211, an inner cavity is opened inside the placing table 211, a first hydraulic rod 214 is fixedly installed on the inner wall of the inner cavity, the inner rod of the first hydraulic rod 214 penetrates the placing groove 212 and is fixedly installed with a push plate 215, and the push plate 215 Slidingly connected to the inner wall of the placement groove 212, a heat and pressure mechanism 31 is also arranged on the top of the processing table 1, and the heat and pressure mechanism 31 includes a processing box 311, a heater 312 is fixedly installed on one side of the processing box 311, a conveying hole 313 is opened on one side of the inner wall of the processing box 311, and the conveying hole 313 is connected to the heater 312. The heat and pressure mechanism 31 also includes a second hydraulic rod 314, the second hydraulic rod 314 is fixedly installed on the top of the processing box 311, a fixed plate 315 is fixedly installed on the inner rod of the second hydraulic rod 314, and a pressure head 316 is fixedly installed on the bottom of the fixed plate 315.

[0026] In this embodiment, when the placement table 211 is inside the processing box 311, the connecting hole 213 is connected with the conveying hole 313, and the heater 312 is started, the heater 312 heats the air, and then the heat is conveyed to the placement groove 212 through the conveying hole 313 and the connecting hole 213, so that the spring inside the placement groove 212 can be heated, and then the second hydraulic rod 314 is started, so that the inner rod of the second hydraulic rod 314 pushes the fixing plate 315 and the strong pressure head 316 to descend, and the strong pressure head 316 can perform heat and strong pressure treatment on the spring inside the placement groove 212. After the treatment is completed, the inner rod of the second hydraulic rod 314 rises, and the motor 6 is started in the reverse direction, and the screw hole block 5 brings the placement table 211 out of the processing box 311. By starting the first hydraulic rod 214, the first hydraulic rod 214 pushes the push plate 215 to rise, so that it is easy to take out the spring after strong pressure. By setting the placement groove 212, the situation that the spring is easy to pop out when it is strongly pressed can be effectively avoided.

[0027] Example 2

[0028] like Figure 1-3As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, a support plate is also fixedly installed on the top of the processing table 1, and a screw 4 is rotatably connected to one side of the support plate through a bearing, and the number of screws 4 is two, and the outer wall thread sleeves of the two screws 4 are provided with screw hole blocks 5, and the screw hole blocks 5 are fixedly connected to the placement table 211, and a motor 6 is fixedly installed on the top of the processing table 1 through the support table, and the output end of the motor 6 is fixedly connected to one end of one of the screws 4, and the outer wall fixed sleeve of the screw 4 is provided with a pulley kit 7, and the two screws 4 are connected by belt drive.

[0029] In this embodiment, the spring that needs to be heat-pressed is placed inside the placement groove 212, and then the motor 6 is started, so that the output end of the motor 6 drives one of the fixedly connected screws 4 to rotate, thereby driving the pulley set 7 fixedly mounted on the outer wall of the screw 4 to rotate, and the two screws 4 are rotated synchronously under the transmission connection of the belt, thereby driving the screw hole blocks 5 threadedly mounted on the outer walls of the two screws 4 to move, and the screw hole blocks 5 drive the placement table 211 to enter the interior of the processing box 311, so as to facilitate the subsequent heat-pressing treatment.

[0030] The working principle of this oil-quenched steel wire spring hot pressing device is described in detail below.

[0031] like Figure 1-3 As shown, when in use, the spring that needs to be subjected to heat and strong pressure treatment is placed in the placement groove 212, and then the motor 6 is started, so that the output end of the motor 6 drives one of the fixedly connected screws 4 to rotate, thereby driving the pulley set 7 fixedly sleeved on the outer wall of the screw 4 to rotate, and the two screws 4 are rotated synchronously under the transmission connection of the belt, thereby driving the screw hole blocks 5 threadedly sleeved on the outer walls of the two screws 4 to move, and the screw hole blocks 5 drive the placement table 211 to enter the processing box 311, so as to facilitate the subsequent heat and strong pressure treatment. When the placement table 211 is inside the processing box 311, the connecting hole 213 is connected with the conveying hole 313, and the heater 312 is started, and the heater 312 heats the air, and then through The conveying hole 313 and the connecting hole 213 convey heat to the inside of the placement groove 212, so that the spring inside the placement groove 212 can be heated, and then the second hydraulic rod 314 is started, so that the inner rod of the second hydraulic rod 314 pushes the fixed plate 315 and the strong pressure head 316 to descend, and the strong pressure head 316 can perform heat and strong pressure treatment on the spring inside the placement groove 212. After the treatment is completed, the inner rod of the second hydraulic rod 314 rises, and the motor 6 is started in reverse, and the screw hole block 5 brings the placement table 211 out of the processing box 311. By starting the first hydraulic rod 214, the first hydraulic rod 214 pushes the push plate 215 to rise, so that it is easy to take out the spring after strong pressure. By setting the placement groove 212, the situation that the spring is easy to pop out when it is strongly pressed can be effectively avoided.

Claims

1. A hot pressing device for oil-quenched steel wire springs, comprising a processing table (1), characterized in that: The processing table (1) is provided with a positioning and material-taking mechanism (21), the positioning and material-taking mechanism (21) comprising a placing table (211), the placing table (211) being slidably connected to the top of the processing table (1), the placing table (211) being provided with a placing groove (212) on the top, a connecting hole (213) being provided on one side of the placing table (211), an inner cavity being provided inside the placing table (211), a first hydraulic rod (214) being fixedly installed on the inner wall of the inner cavity, the inner rod of the first hydraulic rod (214) passing through the placing groove (212) and being fixedly installed with a push plate (215), the push plate (215) being slidably connected to the inner wall of the placing groove (212).

2. The oil-quenched steel wire spring hot pressing device according to claim 1, characterized in that: A heat-pressing mechanism (31) is also provided on the top of the processing table (1), and the heat-pressing mechanism (31) comprises a processing box (311), a heater (312) is fixedly mounted on one side of the processing box (311), and a conveying hole (313) is opened on one side of the inner wall of the processing box (311), and the conveying hole (313) is connected to the heater (312).

3. The oil-quenched steel wire spring hot pressing device according to claim 2, characterized in that: The hot pressing mechanism (31) further comprises a second hydraulic rod (314), wherein the second hydraulic rod (314) is fixedly mounted on the top of the processing box (311), a fixing plate (315) is fixedly mounted on the inner rod of the second hydraulic rod (314), and a pressing head (316) is fixedly mounted on the bottom of the fixing plate (315).

4. The oil-quenched steel wire spring hot pressing device according to claim 1, characterized in that: A support plate is also fixedly mounted on the top of the processing table (1), and a screw rod (4) is rotatably connected to one side of the support plate via a bearing. The number of the screw rods (4) is two, and screw hole blocks (5) are provided on the outer wall threads of the two screw rods (4). The screw hole blocks (5) are fixedly connected to the placement table (211).

5. The oil-quenched steel wire spring hot pressing device according to claim 1, characterized in that: A motor (6) is fixedly mounted on the top of the processing table (1) via a support platform, and an output end of the motor (6) is fixedly connected to one end of one of the screw rods (4).

6. The oil-quenched steel wire spring hot pressing device according to claim 4, characterized in that: The outer wall fixing sleeve of the screw rod (4) is provided with a pulley set (7), and the two screw rods (4) are connected by belt transmission.

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