CN216378308U - Rod workpiece vacuum quenching device - Google Patents

Abstract

The utility model discloses a rod body workpiece vacuum quenching device, which relates to the field of rod body workpiece quenching processing, and aims to solve the problem that the quenching efficiency of the conventional rod body workpiece is low due to the fact that the conventional rod body workpiece is not uniform enough during quenching processing. The device has a novel structure, can continuously heat and quench and cool the rod bodies with different sizes in the same box body, effectively avoids the surface oxidation phenomenon of the heated rod bodies caused by the contact of the heated rod bodies and external air, can realize uniform quenching and cooling treatment on the heated rod bodies, and improves the quenching and cooling efficiency of the rod bodies.

Description

Rod workpiece vacuum quenching device

Technical Field

The utility model relates to the field of quenching machining of rod workpieces, in particular to a vacuum quenching device for rod workpieces.

Background

Quenching is a heat treatment process in which steel is heated to a temperature above the critical temperature, held for a certain period of time, and then cooled at a rate greater than the critical cooling rate to obtain an unbalanced structure mainly composed of martensite (or bainite or single-phase austenite is obtained as necessary). Quenching is the most widely used work technology method in the heat treatment process of steel.

The conventional device can not uniformly spray liquid when quenching the rod body, so that the quenching efficiency is low, and therefore, in order to solve the problems, the vacuum quenching device for the rod body workpiece is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a rod body workpiece vacuum quenching device, which solves the problem that the quenching efficiency is low because the quenching of the conventional rod body workpiece is not uniform enough during quenching.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a rod body workpiece vacuum quenching device comprises a quenching box, wherein an opening is formed in the front of the quenching box, a box door is installed on the front of the quenching box, horizontal partition plates are installed on the inner walls of two sides of the quenching box in a sliding mode near the middle section, the end portions of the partition plates extend to the back of the quenching box, electric heating pipes are installed on the upper section of the inner side wall of the quenching box, and the electric heating pipes are located above the partition plates;

driven gear disks are rotatably mounted on the inner walls of the two sides of the quenching box, the driven gear disks are positioned above the partition plate, and positioning assemblies are mounted on the two driven gear disks;

the top inner wall fixed mounting of quenching case has the water tank, just the liquid groove that sets up along its length direction is seted up to the bottom of water tank, go out liquid groove department slidable mounting there is the baffle, just the bottom of baffle is located the below of water tank bottom, the both sides of baffle are all rotated and are installed the runner, just the runner is located the below of water tank, one side fixed mounting of quenching case has driving motor, just driving motor's output shaft fixedly connected with dwang, the dwang runs through the lateral wall that the quenching case is close to driving motor one side, just the tip of dwang is rotated with one side that driving motor was kept away from to the quenching case and is connected, fixed cover has connect two cams that are symmetric distribution on the body of rod of dwang, and two the cam is located two respectively under the runner.

Preferably, a water tank is slidably mounted on the inner wall of the bottom end of the quenching box, and a filling port communicated with the inside of the water tank is arranged at the top end of the quenching box.

As preferred, the both sides inner wall of quenching case all rotates and is connected with the drive gear dish, and two the drive gear dish is located two the both sides of cam, the fixed body of rod that cup joints in the dwang of drive gear dish, just the drive gear dish meshes with driven gear dish.

As preferred, locating component includes rolling disc, drive groove, locating plate, spacing groove and telescopic link, driven gear dish is close to one side rotation of quenching incasement portion and installs the rolling disc, just be equipped with the drive groove that runs through its disk body on the rolling disc, the inside slidable mounting of drive groove has the telescopic link, just the telescopic link is close to the one end fixedly connected with locating plate of quenching incasement portion, the spacing groove that corresponds with drive groove number is seted up to one side that driven gear dish is close to the rolling disc, just the locating plate is kept away from to the telescopic link one end damping slidable mounting in the inside of spacing groove.

Preferably, the telescopic link includes movable rod and sleeve, just telescopic inside is located to the tip slip cap of movable rod, the movable rod is located the outside one end of sleeve and locating plate fixed connection, just the sleeve is kept away from the one end damping slidable mounting of movable rod in the inside of spacing groove, the cross-section of locating plate is the arc setting.

As preferred, the lantern ring is all installed in the both sides of quenching case rotation, one side fixedly connected with regulation pole that the rolling disc is close to the driven gear dish, just adjust the pole and slide and run through rather than lateral wall, driven gear dish and the lantern ring that is located quenching case homonymy, and extend to the outside of quenching case, the screw thread rotates on the ring body of lantern ring and installs brake screw, just brake screw's tip extends to the inside of the lantern ring and adjusts the pole contact.

The utility model has the beneficial effects that:

1. through set up locating component quenching incasement portion, rotation through the regulation pole on the locating component can make the rolling disc rotate, the sleeve can be ordered about through the drive groove on the rolling disc, the whole subassembly of movable rod and locating plate is to the central point of rolling disc puts the removal, make it can carry out effectual spacing fixed to the body of rod of different diameters, through rotating the brake screw on the lantern ring, make it and adjusting the pole separation, then can promote the rolling disc motion, make two rolling discs be close to each other, and can make the locating plate move to quenching incasement centre through the movable rod slides in the sleeve is inside, make it can be applicable to the body of rod of different length.

2. Drive gear dish and dwang through driving motor and rotate, thereby can make the contact of cam on the dwang and runner on the baffle, make the baffle up motion, thereby can make the inside coolant of water tank flow, and the rotation that drives driven gear dish through drive gear dish can make whole locating component rotate, then drive the body of rod and rotate, make the coolant who flows from the inside of water tank can carry out even quenching treatment to the body of rod in the rotation process, and the water tank through quenching bottom of the case end inner wall setting can carry out recycle to coolant.

3. Through the nearly upper segment installation electric heating pipe at the incasement wall that quenches to and set up the baffle in the incasement portion that quenches, can effectively reduce the heating space of the incasement portion that quenches, improve the body of rod heating efficiency, and can realize the continuity operation at the heating of the body of rod and quenching cooling in same box is inside, the body of rod after can effectively avoiding heating leads to its surface oxidation phenomenon to take place with the outside air contact.

In conclusion, the device can heat and quench the cooling continuity operation in same box to the body of rod of unidimensional not, effectively avoids the body of rod after the heating to lead to its surface oxidation phenomenon to take place with the outside air contact, can realize the even quenching cooling treatment to the body of rod after the heating simultaneously, improves the quenching cooling efficiency of the body of rod.

Drawings

FIG. 1 is a schematic structural view of a rod workpiece vacuum quenching apparatus according to the present invention;

FIG. 2 is a schematic view of a back structure of a vacuum quenching apparatus for rod workpieces according to the present invention;

FIG. 3 is a schematic view of the internal structure of a vacuum quenching apparatus for rod workpieces according to the present invention;

FIG. 4 is an enlarged schematic structural view of A in FIG. 3 of a rod workpiece vacuum quenching apparatus according to the present invention;

FIG. 5 is a sectional view of an assembly structure of a water tank and a baffle of a rod workpiece vacuum quenching apparatus according to the present invention;

fig. 6 is an exploded view of a positioning assembly of a rod workpiece vacuum quenching apparatus according to the present invention.

Reference numbers in the figures: 1. a quenching box; 2. a box door; 3. a drive motor; 4. adjusting a rod; 5. a collar; 6. a partition plate; 7. a water tank; 8. a water tank; 9. a baffle plate; 10. rotating the rod; 11. a rotating wheel; 12. a cam; 13. a drive gear plate; 14. a driven gear plate; 15. rotating the disc; 16. a sleeve; 17. a drive slot; 18. positioning a plate; 19. a limiting groove; 20. a movable rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3 and 5, a rod body workpiece vacuum quenching device, including quenching case 1, the front of quenching case 1 is equipped with the opening, and install chamber door 2, the nearly middle section slidable mounting of quenching case 1 both sides inner wall has baffle 6 that is the level setting, and the tip of baffle 6 extends to the back of quenching case 1, electric heating pipe is installed to the upper segment of quenching case 1 inside wall, and electric heating pipe is located the top of baffle 6, the top inner wall fixed mounting of quenching case 1 has water tank 8, and the liquid groove that sets up along its length direction is seted up to the bottom of water tank 8, the bottom inner wall slidable mounting of quenching case 1 has basin 7, and the top of quenching case 1 is equipped with the filler that communicates with water tank 8 inside.

When a rod body workpiece is processed, the rod body workpiece is firstly placed above the partition plate 6, then the electric heating pipe is started to heat the rod body workpiece, cooling media are injected into the water tank 8 through the filling port after the rod body workpiece is heated to a specified temperature, the cooling media flow out through the liquid outlet groove, the heated rod body workpiece is quenched and cooled, then the partition plate 6 is pulled, the rod body workpiece and the cooling media after quenching and cooling enter the water tank 7 together, the cooling media are accelerated to be collected, the cooling media are recycled, the rod body workpiece can be continuously operated in the same box body when being heated and quenched and cooled, and the phenomenon that the surface of the heated rod body is oxidized due to the contact with the outside air is effectively avoided.

Referring to fig. 1, fig. 3, fig. 4 and fig. 6, the both sides inner wall of the quenching case 1 of quenching case 1 all rotates and installs driven gear dish 14, driven gear dish 14 is located the top of baffle 6, the both sides inner wall of quenching case 1 all rotates and is connected with drive gear dish 13, and two drive gear dishes 13 are located the both sides of two cams 12, drive gear dish 13 is fixed to be cup jointed in the body of rod of dwang 10, and drive gear dish 13 and the meshing of driven gear dish 14, and all install locating component on two driven gear dishes 14.

The positioning assembly comprises a rotating disc 15, a driving groove 17, a positioning plate 18, a limiting groove 19 and a telescopic rod, wherein the rotating disc 15 is rotatably arranged on one side of a driven gear disc 14 close to the inside of the quenching box 1, the driving groove 17 penetrating through a disc body of the rotating disc 15 is arranged on the rotating disc 15, the telescopic rod is slidably arranged in the driving groove 17, the positioning plate 18 is fixedly connected to one end of the telescopic rod close to the inside of the quenching box 1, the limiting grooves 19 corresponding to the driving grooves 17 in number are formed in one side of the driven gear disc 14 close to the rotating disc 15, the damping sliding of one end of the telescopic rod far away from the positioning plate 18 is arranged in the limiting groove 19, the telescopic rod comprises a movable rod 20 and a sleeve 16, the end part of the movable rod 20 is slidably sleeved in the sleeve 16, one end of the movable rod 20, which is positioned outside the sleeve 16, is fixedly connected with the positioning plate 18, and the damping sliding of one end of the sleeve 16 far away from the movable rod 20 is arranged in the limiting groove 19, the cross-section of locating plate 18 is the arc setting, and the lantern ring 5 is all installed in the both sides of quenching case 1 rotation, and one side fixedly connected with that rolling disc 15 is close to driven gear dish 14 adjusts pole 4, and adjusts pole 4 and slide and run through rather than being located the lateral wall of quenching case 1 homonymy, driven gear dish 14 and lantern ring 5, and extend to the outside of quenching case 1, and the screw thread is rotated on the ring body of lantern ring 5 and is installed brake screw, and brake screw's tip extends to the inside of lantern ring 5 and adjusts the pole 4 contact.

Referring to fig. 3-5, a baffle 9 is slidably mounted at the liquid outlet groove, the bottom end of the baffle 9 is located below the bottom end of the water tank 8, rotating wheels 11 are rotatably mounted on both sides of the baffle 9, the rotating wheels 11 are located below the water tank 8, a driving motor 3 is fixedly mounted on one side of the quenching tank 1, an output shaft of the driving motor 3 is fixedly connected with a rotating rod 10, the rotating rod 10 penetrates through a side wall of the quenching tank 1 close to one side of the driving motor 3, the end portion of the rotating rod 10 is rotatably connected with one side of the quenching tank 1 far away from the driving motor 3, two cams 12 which are symmetrically distributed are fixedly sleeved on a rod body of the rotating rod 10, and the two cams 12 are respectively located under the two rotating wheels 11.

Before the heating and quenching cooling of the rod workpiece are carried out, the brake screw can be rotated firstly, so that the adjusting rod 4 can slide in the lantern ring 5, the rotating disc 15 is pushed, the rotating disc 15 drives the positioning plate 18, the positioning plate 18 drives the movable rod 20 to slide in the sleeve 16, the sleeve 16 only slides in the limiting groove 19 along the length direction of the groove and cannot move along the depth direction of the limiting groove 19, therefore, the end part of the sleeve 16 is always in the limiting groove 19, so that the distance between the two rotating discs 15 can be adjusted, the sleeve is suitable for rod workpieces with different lengths, then the brake screw is rotated reversely, the lantern ring 5 and the adjusting rod 4 can be fixed by the brake screw, then the adjusting rod 4 is rotated to drive the rotating disc 15 to rotate, the driving groove 17 on the rotating disc 15 can drive the whole telescopic rod to slide in the driving groove 17, and make the telescopic link slide in spacing groove 19 is inside, the telescopic link can drive locating plate 18 simultaneously, it is tight with the both ends of body of rod work piece to press from both sides through locating plate 18, then restart driving motor 3, driving motor 3 drives dwang 10 and driving gear dish 13 and rotates, dwang 10 drives cam 12 and rotates simultaneously, when cam 12 contacts runner 11, can make 11 up movements of runner, runner 11 drives baffle 9, thereby make out the liquid groove and open, coolant flows out from water tank 8, driving gear dish 13 drives driven gear dish 14 and rotates simultaneously, driven gear dish 14 drives whole locating component and rotates, then drive body of rod work piece and rotate, make the body of rod work piece after the heating can carry out even quenching cooling treatment.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (6)

1. A rod body workpiece vacuum quenching device comprises a quenching box (1), and is characterized in that the front of the quenching box (1) is provided with an opening and a box door (2), a horizontal partition plate (6) is slidably mounted on the inner walls of two sides of the quenching box (1) close to the middle section, the end part of the partition plate (6) extends to the back of the quenching box (1), an electric heating pipe is mounted on the upper section of the inner side wall of the quenching box (1), and the electric heating pipe is positioned above the partition plate (6);

driven gear discs (14) are rotatably mounted on the inner walls of two sides of the quenching box (1), the driven gear discs (14) are located above the partition plate (6), and positioning assemblies are mounted on the two driven gear discs (14);

the top inner wall fixed mounting that quenches case (1) has water tank (8), just the bottom of water tank (8) is seted up along the play liquid groove that its length direction set up, go out liquid groove department slidable mounting has baffle (9), just the bottom of baffle (9) is located the below of water tank (8) bottom, the both sides of baffle (9) are all rotated and are installed runner (11), just runner (11) are located the below of water tank (8), one side fixed mounting that quenches case (1) has driving motor (3), just the output shaft fixedly connected with dwang (10) of driving motor (3), dwang (10) run through the lateral wall that quenches case (1) is close to driving motor (3) one side, just the tip of dwang (10) is connected with one side rotation that quenches case (1) and keeps away from driving motor (3), fixed cover has connect two cams (12) that are the symmetric distribution on the body of rod of dwang (10), and the two cams (12) are respectively positioned right below the two rotating wheels (11).

2. The rod workpiece vacuum quenching device as claimed in claim 1, wherein a water tank (7) is slidably mounted on the inner wall of the bottom end of the quenching box (1), and a filling port communicated with the inside of the water tank (8) is arranged at the top end of the quenching box (1).

3. The vacuum quenching device for the rod workpieces as claimed in claim 1, wherein the inner walls of the two sides of the quenching box (1) are rotatably connected with driving gear discs (13), and the two driving gear discs (13) are located at the two sides of the cams (12), the driving gear discs (13) are fixedly sleeved on the rod bodies of the rotating rods (10), and the driving gear discs (13) are meshed with the driven gear discs (14).

4. The vacuum quenching apparatus for rod workpieces as claimed in claim 1, the positioning component comprises a rotating disc (15), a driving groove (17), a positioning plate (18), a limiting groove (19) and a telescopic rod, a rotating disc (15) is rotatably arranged on one side of the driven gear disc (14) close to the inside of the quenching box (1), and the rotating disc (15) is provided with a driving groove (17) penetrating through the disc body, a telescopic rod is slidably arranged in the driving groove (17), and one end of the telescopic rod close to the inside of the quenching box (1) is fixedly connected with a positioning plate (18), one side of the driven gear disc (14) close to the rotating disc (15) is provided with limit grooves (19) with the number corresponding to that of the driving grooves (17), and one end of the telescopic rod, which is far away from the positioning plate (18), is mounted in the limiting groove (19) in a damping sliding manner.

5. The vacuum quenching device for the rod workpieces as claimed in claim 4, wherein the telescopic rod comprises a movable rod (20) and a sleeve (16), the end of the movable rod (20) is slidably sleeved inside the sleeve (16), one end of the movable rod (20) located outside the sleeve (16) is fixedly connected with the positioning plate (18), one end of the sleeve (16) far away from the movable rod (20) is slidably mounted inside the limiting groove (19) in a damping manner, and the cross section of the positioning plate (18) is arc-shaped.

6. The rod body workpiece vacuum quenching device as claimed in claim 5, wherein both sides of the quenching box (1) are rotatably provided with lantern rings (5), one side of the rotating disc (15) close to the driven gear disc (14) is fixedly connected with an adjusting rod (4), the adjusting rod (4) slidably penetrates through the side wall of the quenching box (1) on the same side as the adjusting rod, the driven gear disc (14) and the lantern ring (5) and extends to the outside of the quenching box (1), a brake screw is rotatably arranged on a ring body of the lantern ring (5) in a threaded manner, and the end of the brake screw extends to the inside of the lantern ring (5) to be in contact with the adjusting rod (4).

Images