High-frequency heating device for screw
By using a stationary screw while the heating coil moves, and by supporting the screw with a lifting positioning seat, the problem of excessive length in existing equipment is solved. This achieves uniform heating of the screw, simplifies the equipment, and reduces production costs.
Patent Information
- Application Number
- CN202520421243.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-12
AI Technical Summary
Existing heat treatment equipment is too long due to the excessive length of the screw, resulting in excessive equipment length, large workshop area occupation, and increased production costs.
The heating coil moves while the screw remains stationary. The screw is supported by three sets of liftable positioning seats. The lifting and sliding of the positioning seats are used to insert and remove the heating coil, ensuring uniform heating of the screw and reducing the length of the equipment.
It achieves uniform heating of the screw, simplifies the equipment structure, reduces the equipment length, lowers production costs, and improves operational convenience and versatility.
Smart Images
Figure CN223904481U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a high -frequency heating device of screw rod. BACKGROUND
[0002] Screw rod is the important part in injection molding equipment, is used in cooperation with the cylinder to the plastic and is mixed, is turned over and is sheared and is mixed and is plasticized after the action of multiple forces such as, realizes the plasticizing work of extrusion plastic to the plastic. And screw rod as the important part in injection molding equipment, its mechanical property requirement is higher, therefore needs to carry out heat treatment. The existing heat treatment equipment is fixed with heating coil, slowly passes along the coil center to heat, when the length of screw rod is longer, such as the length of screw rod is about 3 meters, theoretically, the length of equipment is more than 6 meters to control the movement of screw rod, this causes the length of equipment to be too long, not only occupies the workshop area, also increases production cost. SUMMARY
[0003] In view of the above-mentioned problems, the utility model provides a high -frequency heating device of screw rod.
[0004] In order to realize the above-mentioned purpose, the utility model provides a high -frequency heating device of screw rod, including workbench, 3 groups of positioning seat for placing screw rod are arranged on the workbench along the horizontal direction, 3 groups of positioning seat are independently arranged and are connected with the workbench using the lifting type connection structure, high -frequency heating furnace is arranged behind the positioning seat, one side of the high -frequency heating furnace towards the positioning seat is equipped with heating coil, the high -frequency heating furnace is installed on the sliding seat along the front and back direction, the sliding seat is installed on the workbench along the horizontal direction through the screw rod sliding block mechanism.
[0005] As the further improvement of the utility model, the upper part of the positioning seat is processed positioning groove for positioning the screw rod, the lower part of the positioning seat is connected with the jacking cylinder, the jacking cylinder is arranged on the bottom of the workbench, the front and back sides of the positioning seat are slidably connected with the guide rod, the lower part of the guide rod is fixed with the workbench, and the upper part of the guide rod passes through the positioning seat.
[0006] As the further improvement of the utility model, the cross section of the positioning groove is V-shaped.
[0007] As the further improvement of the utility model, the length of the positioning seat in the middle part is greater than the length of the positioning seat on both sides.
[0008] As the further improvement of the utility model, the lower part of the high -frequency heating furnace is fixed with the base, the base is slidably connected with the sliding seat through the slide rail, the rear side of the base is connected with the side -pushing cylinder, and the side -pushing cylinder is installed on the sliding seat.
[0009] As the further improvement of the utility model, the screw rod and slide block mechanism includes a screw rod, slide rails I symmetrically arranged on the front and back of the screw rod, the screw rod is threadedly connected with the middle part of the slide base, the screw rod is connected with the workbench through bearing seats at both ends, one end of the screw rod is connected with a motor, and the lower part of the slide base is slidably connected with the workbench through the slide rails I.
[0010] The utility model has the advantages of:
[0011] The device adopts the mode that the screw rod is fixed and the heating coil is moved during heating, 3 groups of liftable positioning seats are used for placing the screw rod, 2 groups of positioning seats are used for supporting the screw rod at the same time, the positioning seat at the end can avoid the heating coil from being sleeved and moved out after descending, the positioning seat at the middle can avoid the heating coil from stably translating in the length direction of the screw rod after descending, so that the screw rod is uniformly heated, the overall structure of the device is simple, the length of the heating equipment is effectively reduced, the screw rod is uniformly heated, operation is convenient, the height of the positioning seat is adjustable, the positioning groove on the positioning seat adopts V-shaped structure, and screw rods with different diameters can be heated, and the device is good in universality. BRIEF DESCRIPTION OF DRAWINGS
[0012] Fig. 1 It is a top view of the high-frequency heating device of the screw rod of the utility model;
[0013] Fig. 2 It is a front view of the high-frequency heating device of the screw rod of the utility model;
[0014] Fig. 3 It is a side view of the high-frequency heating device of the screw rod of the utility model.
[0015] In the drawing: 1, workbench; 2, positioning seat; 21, positioning groove; 22, guide rod; 23, jacking cylinder; 3, screw rod; 4, high-frequency heating furnace; 41, heating coil; 42, base; 5, slide rail; 6, side pushing cylinder; 7, slide base; 8, screw rod and slide block mechanism; 81, slide rail I; 82, screw rod; 83, bearing seat; 84, motor. DETAILED DESCRIPTION
[0016] As Figs. 1-3The utility model provides a high -frequency heating device of screw rod, including work table 1, 3 groups of positioning seat 2 are used for placing screw rod 3 along the horizontal direction interval and are equipped with on work table 1, 3 groups of positioning seat 2 are independently arranged and are with work table 1 adopt lifting type connecting structure, positioning groove 21 for positioning screw rod 3 is processed to the upper portion of positioning seat 2, the section of positioning groove 21 is V-shaped, positioning seat 2 lower part connects jacking cylinder 23, jacking cylinder 23 is equipped in work table 1 bottom, the both sides of positioning seat 2 before and after form the sliding fit with guide rod 22, guide rod 22 lower part is fixed with work table 1, guide rod 22 upper portion passes through positioning seat 2, the length of positioning seat 2 in the middle is greater than the length of the positioning seat 2 of both sides, high -frequency heating furnace 4 is equipped in the rear of positioning seat 2, and the side of high -frequency heating furnace 4 towards positioning seat 2 is equipped with heating coil 41, and high -frequency heating furnace 4 along the front and back direction sliding installation is in slide 7, and high -frequency heating furnace 4 lower part is fixed with base 42, and base 42 is through slide rail 5 and slide 7 form the sliding fit, and the rear side of base 42 connects side -thrust cylinder 6, and side -thrust cylinder 6 is installed in slide 7, and slide 7 is through screw block mechanism 8 along the horizontal direction sliding installation is in work table 1, and screw block mechanism 8 includes screw rod 82, and the slide rail I 81 of symmetry is equipped with in the front and back both sides of screw rod 82, and screw rod 82 is with the middle part screw connection of slide 7, and the both ends of screw rod 82 are through bearing seat 83 and connect work table 1, and one end of screw rod 82 connects motor 84, and the lower part of slide 7 is through slide rail I 81 and work table 1 form the sliding fit.
[0017] The device adopts the mode that the screw rod is fixed and the heating coil moves during heating, 3 groups of liftable positioning seats are used for placing the screw rod, 2 groups of positioning seats support the screw rod at the same time, the positioning seat at the end can avoid the heating coil from being sleeved and removed after descending, the positioning seat in the middle can avoid the heating coil from stably translating along the length direction of the screw rod after descending, thereby uniformly heating the screw rod, the overall structure of the device is simple, the length of the heating equipment is effectively reduced, the screw rod is uniformly heated, operation is convenient, the height of the positioning seat is adjustable, the positioning groove on the positioning seat adopts the V-shaped structure, different diameter screw rods can be heated, and the device has good versatility.
[0018] Specific use, for the convenience understanding of the utility model, combining with the drawings is described,
[0019] In work, the screw is placed on the three groups of positioning seats, the positioning seats are provided with positioning grooves to limit the radial movement of the screw, the height of the positioning seats is adjusted to make the central axis of the screw consistent with the central axis of the heating coil; then the right positioning seat is moved downward, the side pushing cylinder drives the high-frequency heating furnace to move forward along the slide rail, the central axis of the heating coil is coincided with the central axis of the screw, then the motor works, the rotary motion of the screw rod is converted into the linear motion of the slide, the slide drives the high-frequency heating furnace to move left at a constant speed, the heating coil uniformly heats the surface of the screw, the heating coil is sleeved on the screw and is staggered with the right positioning seat, then the right positioning seat is moved upward and supports the screw, the middle positioning seat is moved downward, so that the heating coil can pass through smoothly, when the heating coil moves to the left end of the screw, the middle positioning seat is moved upward and supports the screw, the left positioning seat is moved downward, so that the heating coil can move out smoothly; in the whole heating process, the position of the screw remains unchanged, and the heating coil is moved to heat.
[0020] The preferred embodiments of the utility model are described above only, and are not used to limit the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A high frequency heating device for a screw, characterized by: Including workbench (1), 3 groups of positioning seat (2) are arranged on the workbench (1) and are used for placing screw rod (3), 3 groups of the positioning seat (2) are independently arranged and are connected with the workbench (1) using lifting type connection structure, high-frequency heating furnace (4) is arranged behind the positioning seat (2), one side of the high-frequency heating furnace (4) towards the positioning seat (2) is provided with heating coil (41), the high-frequency heating furnace (4) is slidingly installed on sliding seat (7) along the front-back direction, the sliding seat (7) is slidingly installed on the workbench (1) through screw rod and sliding block mechanism (8) along the horizontal direction.
2. A high frequency heating device for a screw according to claim 1, characterized in that: Positioning groove (21) is processed on the upper portion of the positioning seat (2) and is used for positioning the screw rod (3), top lifting cylinder (23) is connected to the lower portion of the positioning seat (2), the top lifting cylinder (23) is arranged on the bottom of the workbench (1), the positioning seat (2) is slidingly fitted with guide rod (22) on the front and rear sides, the lower portion of the guide rod (22) is fixed with the workbench (1), and the upper portion of the guide rod (22) penetrates the positioning seat (2).
3. A high frequency heating device for a screw according to claim 2, characterized in that: The cross section of the positioning groove (21) is V-shaped.
4. A high frequency heating device for a screw according to claim 1, characterized in that: The length of the positioning seat (2) located in the middle portion is greater than the length of the positioning seat (2) on both sides.
5. A high frequency heating device for a screw according to claim 1, characterized in that: The lower portion of the high-frequency heating furnace (4) is fixed with base (42), the base (42) is slidingly fitted with the sliding seat (7) through sliding rail (5), the rear side of the base (42) is connected with side pushing cylinder (6), and the side pushing cylinder (6) is installed on the sliding seat (7).
6. A high frequency heating device for a screw according to claim 1, characterized in that: The screw rod and sliding block mechanism (8) comprises screw rod (82), sliding rail I (81) symmetrically arranged on the front and rear sides of the screw rod (82), the screw rod (82) is threadedly connected with the middle portion of the sliding seat (7), the both ends of the screw rod (82) are connected with the workbench (1) through bearing seat (83), one end of the screw rod (82) is connected with motor (84), and the lower portion of the sliding seat (7) is slidingly fitted with the workbench (1) through the sliding rail I (81).