CN220902428U - Welding-free induction heating equipment for piston - Google Patents

Abstract

The utility model discloses a welding-free induction heating device for a piston, which comprises a frame, an induction heating transformer, a hot-set positioning mechanism, a clamping positioning mechanism, a power mechanism and a fixing frame, wherein an electromagnetic induction coil is arranged on the induction heating transformer, the hot-set positioning mechanism is a positioning plate provided with an opening, the clamping positioning mechanism comprises a connecting plate, a first fixing plate, a second fixing plate, a bottom plate and a plurality of clamping wheels, the first fixing plate and the second fixing plate are U-shaped plates, the opening ends of the first fixing plate and the second fixing plate are oppositely arranged, the clamping wheels are dumbbell-shaped, the clamping wheels are respectively arranged between the first fixing plate and the second fixing plate, the clamping positioning mechanism is arranged under the hot-set positioning mechanism, and the power mechanism drives the clamping positioning mechanism to move up and down. The utility model realizes the rapid heating function of the piston and the rapid positioning and aligning installation function of the piston rod, and greatly improves the installation connection rate between the piston rod and the piston.

Description

Welding-free induction heating equipment for piston

Technical Field

The utility model relates to the technical field of electromagnetic induction, in particular to a welding-free induction heating device for a piston.

Background

The piston is required to be fixedly connected with the piston rod in the production and manufacturing process, the traditional welding and fixing process is replaced by interference fit in the existing process, so that the working procedure is reduced, the cost is reduced, the problems of stress and deformation caused by welding are avoided, and the piston is required to be heated to a certain temperature in the interference process to be clamped on the piston rod. Because the piston is manually clamped and butted and installed by a person after being heated, the problem that the temperature of the piston is reduced due to slow installation of the person exists, the installation time of the person needs to be further shortened, and meanwhile, the precision of the relative positions of the piston and the piston rod cannot be ensured.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provides a welding-free induction heating device for a piston, which can improve the installation rate of the piston and a piston rod and ensure the relative position accuracy.

The aim of the utility model is achieved by the following technical scheme: the utility model provides a be used for piston to exempt from welding induction heating equipment, includes the frame, be provided with induction heating transformer, hot-set positioning mechanism, clamp positioning mechanism, power unit, mount side by side in the frame, be provided with electromagnetic induction coil on the induction heating transformer, hot-set positioning mechanism is the locating plate, the locating plate level sets up, the one end fixed connection of locating plate the top of mount, the other end of locating plate is provided with the opening, clamp positioning mechanism includes connecting plate, first fixed plate, second fixed plate, bottom plate, a plurality of clamping wheels, first fixed plate and second fixed plate are the U-shaped board, first fixed plate and second fixed plate open end set up relatively, the bottom plate is located under first fixed plate and the second fixed plate, first fixed plate, second fixed plate, bottom plate fixed connection respectively the connecting plate, the clamping wheel is located respectively between first fixed plate and the second fixed plate, clamp positioning mechanism is located under the hot-set positioning mechanism, the power unit removes down.

Further, the power mechanism comprises a hand wheel, a speed reducer, a ball screw, a nut, a slide bar and a slide block, wherein the slide bar is vertically and fixedly connected with the fixing frame, the slide block is sleeved on the slide bar, the connecting plates are respectively and fixedly connected with the slide block and the nut, the input end of the speed reducer is fixedly connected with the hand wheel, the output end of the speed reducer is fixedly connected with the ball screw, and the ball screw is in threaded connection with the nut.

Further, the number of the clamping wheels is 3, the two clamping wheels are respectively arranged up and down and located between the first fixing plates, the other clamping wheel is located between the second fixing plates, and the single clamping wheel is located on the symmetrical median line of the two clamping wheels.

Further, a protective shell is arranged on the frame, the fixing frame, the hot-set positioning mechanism, the clamping positioning mechanism and the power mechanism are located in the protective shell, and a control panel is arranged on the protective shell.

The utility model has the following advantages: the electromagnetic induction quick heating and positioning installation functions are achieved, a person can conveniently and quickly position, align and install after heating, the time for installing the piston and the piston rod is shortened, and the installation connection rate between the piston and the piston rod is improved; meanwhile, the distance between the hot-set positioning mechanism and the clamping positioning mechanism which are relatively moved is controlled through the hand wheel and the ball screw, so that the fine adjustment of the relative positions of the piston rod and the piston is realized, and the accuracy of the relative positions of the piston rod and the piston is ensured; the three clamping wheels are symmetrically installed in a triangular mode, the vertical state of the piston rod can be kept, and the cost is lowest.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

Fig. 2 is a schematic view of the internal structure of the present utility model.

In the figure, 1, a rack; 2. an induction heating transformer; 3. an electromagnetic induction coil; 4. a hot-charging positioning mechanism; 5. a clamping and positioning mechanism; 6. a power mechanism; 7. a speed reducer; 8. a hand wheel; 9. a fixing frame; 10. a slide bar; 11. a slide block; 12. a connecting plate; 13. a first fixing plate; 14. a second fixing plate; 15. a bottom plate; 16. a clamping wheel; 17. a positioning plate; 18. an opening; 19. a protective shell; 20. a control panel; 21. ball screw.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 and 2, the welding-free induction heating equipment for the piston comprises a frame 1, an induction heating transformer 2, a hot-set positioning mechanism 4, a clamping positioning mechanism 5, a power mechanism 6, a fixing frame 9, a protective shell 19 and a control panel 20, wherein the induction heating transformer 2 is positioned on the right side of the frame 1, the fixing frame 9 is positioned on the left side of the frame 1, an electromagnetic induction coil 3 is arranged on the side surface of the induction heating transformer 2, the hot-set positioning mechanism 4 is a rectangular positioning plate 17, the positioning plate 17 is horizontally arranged, one end of the positioning plate 17 is fixedly connected to the upper part of the fixing frame 9 through a screw, the other end of the positioning plate 17 is provided with an opening 18, the clamping positioning mechanism 5 is positioned under the positioning plate 17, the clamping positioning mechanism 5 comprises a connecting plate 12, a first fixing plate 13, a second fixing plate 14, a bottom plate 15 and 3 clamping wheels 16, the connecting plate 12 is a vertical rectangular plate, the first fixing plate 13 and the second fixing plate 14 are U-shaped plates, the opening ends of the first fixing plate 13 and the second fixing plate 14 are horizontally and oppositely arranged, the bottom plate 15 is positioned right below the first fixing plate 13 and the second fixing plate 14, the first fixing plate 13, the second fixing plate 14 and the bottom plate 15 are respectively and fixedly connected with the side surfaces of the connecting plate 12 through bolts, the clamping wheels 16 are dumbbell-shaped, the two clamping wheels 16 are divided into A groups, the A groups are arranged up and down and are positioned between the first fixing plates 13, the other clamping wheel 16 is singly and in B groups, the B groups are positioned between the second fixing plates 14, the clamping wheels 16 of the B groups are positioned on the symmetrical median line of the clamping wheels 16 of the A groups, the power mechanism 6 comprises a hand wheel 8, a speed reducer 7, a ball screw 21, nuts, 2 sliding rods 10, two ends of the 2 sliding rods 11 and 2 sliding rods 10 are respectively and vertically and fixedly connected with the fixing frame 9, the slide block 11 is sleeved on the slide bar 10, the slide block 11 slides up and down along the slide bar 10, the side face of the connecting plate 12 is fixedly connected with the slide block 11 and the nut through screws respectively, the speed reducer 7 is located below the fixing frame 9, the input end of the speed reducer 7 is fixedly connected with the hand wheel 8, the output end of the speed reducer 7 is connected with the ball screw 21, the ball screw 21 is in threaded connection with the nut, the fixing frame 9, the hot-set positioning mechanism 4, the clamping positioning mechanism 5 and the power mechanism 6 are located in the protective shell 19, and the control panel 20 is installed on the protective shell 19.

The working principle of the utility model is as follows: firstly, the piston rod is vertically placed between the clamping wheels, then the piston is placed in the electromagnetic induction heating coil for rapid heating, after the heating is finished, the piston is taken out and placed on the positioning plate, a hand wheel is manually rotated, the hand wheel drives the ball screw to rotate, the ball screw drives the piston rod to move upwards slowly until the piston is sleeved on the piston rod, the piston rod can be hooped after cooling, the whole process is finished by the personnel only by placing the piston rod and the piston on the corresponding positioning structures respectively, the vertical alignment installation can be finished, the installation rate is improved, and meanwhile, the relative position between the piston rod and the piston can be finely adjusted by the hand wheel manually rotated by the personnel, so that the relative position installation is more accurate.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (4)

1. A welding-free induction heating apparatus for a piston, characterized by: including frame (1), be provided with induction heating transformer (2), hot-set positioning mechanism (4), clamp positioning mechanism (5), power unit (6), mount (9) side by side on frame (1), be provided with electromagnetic induction coil (3) on induction heating transformer (2), hot-set positioning mechanism (4) are locating plate (17), locating plate (17) level sets up, the one end fixed connection of locating plate (17) the top of mount (9), the other end of locating plate (17) is provided with opening (18), clamp positioning mechanism (5) are including connecting plate (12), first fixed plate (13), second fixed plate (14), bottom plate (15), a plurality of pinch rolls (16), first fixed plate (13) and second fixed plate (14) are the U-shaped plate, first fixed plate (13) are set up with second fixed plate (14) open end is relative, bottom plate (15) are located under first fixed plate (13) and second fixed plate (14), first fixed plate (13), second fixed plate (14) are the pinch rolls (16), respectively fixed plate (16), the clamping wheels (16) are respectively positioned between the first fixing plate (13) and the second fixing plate (14), the clamping and positioning mechanism (5) is positioned right below the hot-set positioning mechanism (4), and the power mechanism (6) drives the clamping and positioning mechanism (5) to move up and down.

2. A welding-free induction heating apparatus for pistons as in claim 1, wherein: the power mechanism (6) comprises a hand wheel (8), a speed reducer (7), a ball screw (21), a nut, a slide bar (10) and a slide block (11), wherein the slide bar (10) is vertically and fixedly connected with the fixing frame (9), the slide block (11) is sleeved on the slide bar (10), the connecting plates (12) are respectively and fixedly connected with the slide block (11) and the nut, the input end of the speed reducer (7) is fixedly connected with the hand wheel (8), the output end of the speed reducer (7) is fixedly connected with the ball screw (21), and the ball screw (21) is in threaded connection with the nut.

3. A welding-free induction heating apparatus for pistons as in claim 1, wherein: the number of the clamping wheels (16) is 3, the two clamping wheels (16) are respectively arranged up and down and located between the first fixing plates (13), the other clamping wheel (16) is located between the second fixing plates (14), and the independent clamping wheels (16) are located on the symmetrical median line of the two clamping wheels (16).

4. A welding-free induction heating apparatus for pistons as in claim 1, wherein: the novel hot-charging type electric power machine is characterized in that a protective shell (19) is arranged on the machine frame (1), the fixing frame (9), the hot-charging positioning mechanism (4), the clamping positioning mechanism (5) and the power mechanism (6) are located in the protective shell (19), and a control panel (20) is arranged on the protective shell (19).