Horizontal scanning type quenching and tempering device

Abstract

The utility model relates to a horizontal scanning type quenching and tempering device which comprises a rod part quenching area, a piston position quenching area, a piston position tempering area and a rod part tempering area, in the first step, the rod part is heated by a first induction heating coil through the rod part quenching area, a feeding station is vacated, and a next material is automatically fed for waiting; then moving into a piston position quenching area in the second step to be heated by a second induction heating coil, moving into a piston position tempering area in the third step to be heated by a third induction heating coil, and finally moving into a rod part tempering area in the fourth step to be heated by a fourth induction heating coil to complete the whole set of quenching process; during the period, follow-up supplied materials are simultaneously carried out in the last process according to rhythms, waiting is reduced, and therefore production efficiency is improved.

Description

Technical Field

[0001] This application belongs to the technical field of piston rod processing, and in particular relates to a horizontal scanning quenching and tempering device. Background Art

[0002] Existing piston rod processing equipment needs to use different quenching equipment for medium and large-sized φ130 to small-sized φ50 rods in quenched workpieces. It is necessary to classify medium and large-sized workpieces, and at the same time, a large number of workers and equipment are required to process corresponding workpiece models, resulting in poor versatility. Moreover, the processing layout of the rod part and piston position of the piston rod is not scientific, and workers need to move back and forth, resulting in low efficiency. Content of the Utility Model

[0003] The technical problem to be solved by this utility model is: to solve the deficiencies of poor versatility and low processing efficiency in the prior art, and thus provide a horizontal scanning quenching and tempering device.

[0004] The technical solution adopted by this utility model to solve its technical problems is:

[0005] A horizontal scanning quenching and tempering device includes a rod quenching area, a piston position quenching area, a piston position tempering area, and a rod tempering area.

[0006] The rod quenching area includes a blanking mechanism, a first workpiece rotation driving part, and a first induction heating coil. The first induction heating coil is located in the middle of the first workpiece rotation driving part. The blanking mechanism pushes the workpiece of the first workpiece rotation driving part into the first induction heating coil, and the rod quenching area quenches the rod part of the fed piston rod.

[0007] The piston position quenching area includes a second workpiece rotation driving part and a second induction heating coil. The second induction heating coil is located at one end of the second workpiece rotation driving part. The piston position quenching area is used to quench the piston position completed by the rod quenching area.

[0008] The piston position tempering area includes a third workpiece rotation driving part and a third induction heating coil. The third induction heating coil is located at one end of the third workpiece rotation driving part. The piston position tempering area is used to temper the piston position of the piston rod quenched by the piston position quenching area.

[0009] The rod tempering area includes a fourth workpiece rotation driving part and a fourth induction heating coil. The fourth induction heating coil is located at one end of the fourth workpiece rotation driving part. The rod tempering area is used to temper the rod part of the piston rod tempered by the piston position tempering area.

[0010] The rod quenching area, the piston position quenching area, and the piston position tempering area are arranged side by side, and the rod tempering area is arranged at the discharge end of the piston position tempering area.

[0011] Furthermore, the ejector mechanism includes a bracket, guide rails, a rack, a moving servo motor, a slide plate, a lifting mechanism, guide rods, and a first universal ball. There are two sets of guide rails, both installed on the bracket. The rack is installed on the bracket along the sliding direction of the guide rails. The slide plate is installed between the sliders of the guide rails. The moving servo motor is installed on the slide plate. A gear meshing with the rack is provided at the output end of the moving servo motor. One end of the guide rod is installed with the lifting mechanism, and the other end is installed with the first universal ball, and the first universal ball presses against the workpiece.

[0012] Furthermore, the lifting mechanism includes a lifting plate, linear guide rails, a lead screw nut, and a servo motor. There are two sets of linear guide rails, both installed on the slide plate. The lifting plate is installed on the sliders of the linear guide rails. The lead screw nut is installed between the two sets of linear guide rails. The servo motor is installed on the slide plate. The output end of the servo motor is connected to one end of the lead screw nut, and the nut is connected to the lifting plate. The guide rod is installed on the lifting plate.

[0013] Furthermore, in the rod quenching area, there is also a ejector rod structure to prevent the piston rod from detaching. The ejector rod structure includes a mechanical joint type rodless cylinder, a connecting seat, an ejector rod, and a second universal ball. The connecting seat is installed on the slider of the mechanical joint type rodless cylinder. One end of the ejector rod is installed on the connecting seat, and the other end is installed with the second universal ball, and the second universal ball presses against the piston rod.

[0014] Furthermore, the first workpiece rotation driving part, the second workpiece rotation driving part, the third workpiece rotation driving part, and the fourth workpiece rotation driving part have the same structure, and each includes a variable frequency reduction motor and multiple groups of rotating rollers. The multiple groups of rotating rollers are connected end to end for transmission. The variable frequency reduction motor drives one group of rotating rollers to rotate, and the multiple groups of rotating rollers rotate to support the piston rod.

[0015] Furthermore, each group of rotating rollers includes a transmission gearbox, a rotating shaft, two couplings, and two rollers. The two rollers are arranged side by side, and the piston rod is located between the two rollers. The rotating shaft drives the transmission gearbox for transmission. The transmission gearbox has two transmission shafts, and the transmission shafts drive the rollers to rotate. The two couplings are respectively installed at both ends of the rotating shaft; that is, the rotating shaft of each group of gearboxes is connected by a coupling.

[0016] The beneficial effects of the present utility model are as follows:

[0017] 1. When the workpiece enters the first workpiece rotation driving part, the first workpiece rotation driving part starts to convey. In the first step, it passes through the rod quenching area and is heated by the first induction heating coil; then in the second step, it is moved into the piston position quenching area and heated by the second induction heating coil. Immediately afterwards, in the third step, it is moved into the piston position tempering area and heated by the third induction heating coil. Finally, in the fourth step, it enters the rod tempering area and is heated by the fourth induction heating coil to complete the entire quenching process; during this period, subsequent incoming materials are carried out simultaneously according to the rhythm following the previous process, reducing waiting time, thereby improving production efficiency;

[0018] 2. During the processing, the workpiece is pushed into different processing stations by driving the guide rod with a moving servo motor, which can be automatically adjusted for workpieces of different lengths and different rod diameters, with strong versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The technical solutions of the present application will be further described below in conjunction with the drawings and embodiments.

[0020] Figure 1 is a schematic top view structure diagram of an embodiment of the present application;

[0021] Figure 2 is a schematic structural diagram of the first workpiece rotation driving part of an embodiment of the present application;

[0022] Figure 3 is a schematic diagram of the ejector mechanism of an embodiment of the present application;

[0023] Figure 4 is a schematic diagram of the lifting mechanism of an embodiment of the present application;

[0024] Figure 5 is a schematic diagram of the ejector rod structure of an embodiment of the present application;

[0025] The reference numerals in the drawings are:

[0026] 12. Ejector mechanism, 121. Bracket, 122. Guide rail, 123. Rack, 124. Moving servo motor, 125. Slide plate, 126. Lifting mechanism, 1261. Lifting plate, 1262. Linear guide, 1263. Lead screw nut, 1264. Servo motor, 127. Guide rod, 128. Universal ball one, 20. Rod quenching area, 21. First workpiece rotation driving part, 211. Variable frequency reduction motor, 212. Multiple groups of rotating rollers, 2121. Transmission gearbox, 2123. Rotating shaft, 2124. Coupling, 2125. Roller, 22. First induction heating coil, 23. Ejector rod structure, 231. Mechanically engaged rodless cylinder, 232. Connecting seat, 233. Ejector rod, 234. Universal ball two, 30. Piston position quenching area, 31. Second workpiece rotation driving part, 32. Second induction heating coil, 40. Piston position tempering area, 41. Third workpiece rotation driving part, 42. Third induction heating coil, 50. Rod tempering area, 51. Fourth workpiece rotation driving part, 52. Fourth induction heating coil. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0028] In the description of the present application, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the protection scope of the present application. In addition, terms such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0029] In the description of the present application, it should be noted that unless otherwise clearly specified and limited, the terms "mounted", "connected", and "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood through specific circumstances.

[0030] The technical solution of the present application will be described in detail below with reference to the drawings and in combination with embodiments.

[0031] Embodiment

[0032] This embodiment provides a horizontal scanning quenching and tempering device, which includes a rod quenching area 20, a piston position quenching area 30, a piston position tempering area 40, and a rod tempering area 50.

[0033] The rod quenching area 20 includes a blank feeding mechanism 12, a first workpiece rotation driving part 21, and a first induction heating coil 22. The first induction heating coil 22 is located in the middle of the first workpiece rotation driving part 22. The blank feeding mechanism 12 is used to convey and rotate the driving piston rod into the first induction heating coil 22. The rod quenching area 20 quenches the rod part of the fed piston rod.

[0034] The piston position quenching area 30 includes a second workpiece rotation driving part 31 and a second induction heating coil 32. The second induction heating coil 32 is located at one end of the second workpiece rotation driving part 31. The piston position quenching area 30 is used to quench the piston position of the piston rod completed by the rod quenching area 20.

[0035] The piston position tempering zone 40 includes a third workpiece rotation driving part 41 and a third induction heating coil 42. The third induction heating coil 42 is located at one end of the third workpiece rotation driving part 41. The piston position tempering zone 40 is used to temper the piston position of the piston rod that has been quenched in the piston position quenching zone 30.

[0036] The rod part tempering zone 50 includes a fourth workpiece rotation driving part 51, a fourth induction heating coil 52, and a blanking mechanism. The fourth induction heating coil 52 is located at one end of the fourth workpiece rotation driving part 51. The blanking mechanism cooperates to push the piston rod off the fourth workpiece rotation driving part 51. The rod part tempering zone 50 is used to temper the rod part of the piston rod that has been tempered in the piston position tempering zone 40.

[0037] The rod part quenching zone 20, the piston position quenching zone 30, and the piston position tempering zone 40 are arranged side by side. The rod part tempering zone 50 is arranged at the discharging end of the piston position tempering zone 40.

[0038] Specifically, the blanking mechanism 12 includes a bracket 121, guide rails 122, a rack 123, a moving servo motor 124, a sliding plate 125, a lifting mechanism 126, a guide rod 127, and a first universal ball 128. There are two groups of guide rails 122, both installed on the bracket 121. The rack 123 is installed on the bracket 121 along the sliding direction of the guide rails 122. The sliding plate 125 is installed between the sliders of the guide rails 122. The moving servo motor 124 is installed on the sliding plate 125. A gear meshing with the rack 123 is provided at the output end of the moving servo motor 124. One end of the guide rod 127 is installed with the lifting mechanism 126, and the other end is installed with the first universal ball 128. The first universal ball 128 presses against the workpiece / bolt. The moving servo motor 124 drives the sliding plate 125 to move on the bracket 121 through the meshing of the gear and the rack 123, and then drives the guide rod 127 to press against the piston rod and move towards the rod part quenching zone 20. While the first universal ball 128 presses tightly against the piston rod, it does not affect the rotation of the piston rod.

[0039] The lifting mechanism 126 includes a lifting plate 1261, linear guides 1262, a lead screw nut 1263, and a servo motor 1264. There are two groups of linear guides 1262, both installed on the sliding plate 125. The lifting plate 1261 is installed on the sliders of the linear guides 1262. The lead screw nut 1263 is installed between the two groups of linear guides 1262. The servo motor 1264 is installed on the sliding plate 125. The output end of the servo motor 1264 is connected to one end of the lead screw nut 1263. The nut 1263 is connected to the lifting plate 1261. The guide rod 127 is installed on the lifting plate 1261. The servo motor 1264 drives the lead screw of the lead screw nut 1263 to rotate. Due to the limitation of the linear guides 1262, the nut 1263 is driven to move, and finally the lifting plate 1261 is driven to lift.

[0040] The rod quenching zone 20 also includes a push rod structure 23 to prevent the piston rod from detaching. The push rod structure 23 includes a mechanically coupled rodless cylinder 231, a connecting seat 232, a push rod 233, and a universal ball 234. The connecting seat 232 is installed on the slider of the mechanically coupled rodless cylinder 231. One end of the push rod 233 is installed on the connecting seat 235, and the other end is installed with a universal ball 234. The universal ball 234 presses against the piston rod. The mechanically coupled rodless cylinder 231 drives the push rod 233 to move and support the position of the piston rod to facilitate processing.

[0041] Specifically, the first workpiece rotation driving unit 21, the second workpiece rotation driving unit 31, the third workpiece rotation driving unit 41, and the fourth workpiece rotation driving unit 51 have the same structure, and all include a variable frequency reduction motor 211 and multiple groups of rotating rollers 212. The multiple groups of rotating rollers 212 are connected end to end, and the variable frequency reduction motor 211 drives one group of rotating rollers 212 to rotate, and the multiple groups of rotating rollers 212 rotate to support the piston rod.

[0042] Each set of rotating rollers 212 includes a transmission gearbox 2121, a rotating shaft 2123, two couplings 2124, and two rollers 2125. The rotating shaft 2123 drives the transmission gearbox 2121 to transmit. The transmission gearbox 2121 has two transmission shafts. The two rollers 2125 are arranged side by side. The piston rod is placed between the two rollers 2125. The two transmission shafts respectively drive the two rollers 2125 to rotate. The two couplings 2124 are respectively installed at both ends of the rotating shaft 2123. The rotating shaft 2123 located at the end / head end is connected to the variable frequency reduction motor 211. The adjacent rotating shafts 2123 are connected through couplings to realize the common transmission of multiple sets of rotating rollers 212.

[0043] When the utility model workpiece is in use:

[0044] The workpiece is placed into the first workpiece rotation drive unit by the lifting and handling component. The ejector mechanism pushes the workpiece, and starts to push the workpiece into the heating station of the first induction heating coil of the rod part. The station is equipped with temperature detection to ensure the process quality. (During the heating process, the gearbox drives the workpiece to rotate self, and the ejector mechanism pushes the workpiece to move, completing this scanning heating process). The lifting and handling area is vacated, and the next workpiece is automatically loaded and waiting; after the quenching of the rod part is completed, the handling component transports the workpiece to the quenching heating station of the piston position quenching area. The ejector mechanism of the tooth part sends the workpiece into the area of the second induction heating coil, and then cooperates with the rear ejector device of the tooth part to complete the back-and-forth heating and cooling actions of the tooth part; after the quenching heating of the thread / piston position part is completed, the intermediate transition external handling device transports the workpiece from the tooth part quenching station to the heating station of the piston position tempering area. The material taking of the tooth quenching and the loading of the tooth tempering can be completed simultaneously in the intermediate handling device; the actions of the piston position tempering area and the piston position quenching area are the same; after the tempering of the tooth part is completed, the lifting frame transports the workpiece to the position of the rod part tempering area. After the tempering of the rod part is completed, the workpiece moves to the unloading table and waits for the next process; during this whole processing process, the rod part and the thread part of the workpiece do not need to be turned around for processing, improving the processing efficiency.

[0045] Enlightened by the ideal embodiments according to the present application described above, through the above description, relevant staff can completely make various changes and modifications without departing from the technical idea of this application. The technical scope of this application is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A horizontal scanning quenching and tempering device, characterized in that It includes a rod quenching area, a piston position quenching area, a piston position tempering area, and a rod tempering area. The rod quenching area includes a blanking mechanism, a first workpiece rotation driving part, and a first induction heating coil. The first induction heating coil is located in the middle of the first workpiece rotation driving part. The blanking mechanism pushes the workpiece of the first workpiece rotation driving part into the first induction heating coil, and the rod quenching area quenches the rod part of the piston rod fed in. The piston position quenching area includes a second workpiece rotation driving part and a second induction heating coil. The second induction heating coil is located at one end of the second workpiece rotation driving part. The piston position quenching area is used to quench the piston position of the piston rod completed by the rod quenching area. The piston position tempering area includes a third workpiece rotation driving part and a third induction heating coil. The third induction heating coil is located at one end of the third workpiece rotation driving part. The piston position tempering area is used to temper the piston position of the piston rod quenched by the piston position quenching area. The rod tempering area includes a fourth workpiece rotation driving part and a fourth induction heating coil. The fourth induction heating coil is located at one end of the fourth workpiece rotation driving part. The rod tempering area is used to temper the rod part of the piston rod tempered by the piston position tempering area. The rod quenching area, the piston position quenching area, and the piston position tempering area are arranged side by side, and the rod tempering area is arranged at the discharge end of the piston position tempering area.

2. The horizontal scanning quenching and tempering device according to claim 1, wherein, The blanking mechanism includes a bracket, guide rails, a rack, a moving servo motor, a slide plate, a lifting mechanism, a guide rod, and a universal ball 1. There are two groups of guide rails, both of which are installed on the bracket. The rack is installed on the bracket along the sliding direction of the guide rails. The slide plate is installed between the sliders of the guide rails. The moving servo motor is installed on the slide plate. The output end of the moving servo motor is provided with a gear meshing with the rack. One end of the guide rod is installed with the lifting mechanism, and the other end is installed with the universal ball 1, and the universal ball 1 presses against the workpiece.

3. The horizontal scanning quenching and tempering device according to claim 2, characterized in that, The lifting mechanism includes a lifting plate, linear rails, a lead screw nut, and a servo motor. There are two groups of linear rails, both of which are installed on the slide plate. The lifting plate is installed on the slider of the linear rails. The lead screw nut is installed between the two groups of linear rails. The servo motor is installed on the slide plate. The output end of the servo motor is connected to one end of the lead screw nut, and the nut is connected to the lifting plate. The guide rod is installed on the lifting plate.

4. A horizontal scanning quenching and tempering device according to claim 1, characterized in that, The rod quenching area also includes a ejector rod structure to prevent the piston rod from disengaging. The ejector rod structure includes a mechanical joint type rodless cylinder, a connecting seat, an ejector rod, and a universal ball 2. The connecting seat is installed on the slider of the mechanical joint type rodless cylinder. One end of the ejector rod is installed on the connecting seat, and the other end is installed with the universal ball 2, and the universal ball 2 presses against the piston rod.

5. A horizontal scanning quenching and tempering device according to any one of claims 1-4, characterized in that, The first workpiece rotation driving part, the second workpiece rotation driving part, the third workpiece rotation driving part, and the fourth workpiece rotation driving part have the same structure, and each includes a variable frequency reduction motor and multiple groups of rotating rollers. The multiple groups of rotating rollers are connected end to end. The variable frequency reduction motor drives one group of rotating rollers to rotate, and the multiple groups of rotating rollers rotate to support the piston rod.

6. The horizontal scanning quenching and tempering device according to claim 5, characterized in that, Each set of rotating idlers includes a transmission gearbox, a rotating shaft, two couplings, and two idlers. The rotating shaft drives the transmission gearbox to transmit power. The transmission gearbox has two transmission shafts, and the transmission shafts drive the idlers to rotate. The two idlers rotate side by side, and the two couplings are respectively installed at both ends of the rotating shaft.

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