CN213835464U

CN213835464U - Quenching device

Info

Publication number: CN213835464U
Application number: CN202022843461.9U
Authority: CN
Inventors: 郭策; 张文刚
Original assignee: Baoding Zhuoyuan Hydraulic Electromechanical Equipment Manufacturing Co ltd
Current assignee: Baoding Zhuoyuan Hydraulic Electromechanical Equipment Manufacturing Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-07-30
Anticipated expiration: 2030-12-01

Abstract

The utility model discloses a quenching device, which comprises a frame, wherein a sliding table is connected on the frame in a sliding way, the bottom of the sliding table is fixedly connected with a fixed table, and the sliding table is connected with a movable table in a sliding way; the movable table is provided with a plurality of groups of upper center components, and the fixed table is provided with lower center components which are in one-to-one correspondence with the upper center components; the sliding table is connected with a first gear and a second gear in an axial mode, the first gear and the second gear are connected with a first transmission feed rod and a second transmission feed rod respectively, the first transmission feed rod is connected with the lower working shaft, and the second transmission feed rod is connected with the upper working shaft. The utility model discloses a work of first transmission feed rod and second transmission feed rod drives the syntropy with fast motion of work axle and lower work axle, guarantees that the rate of motion at both ends is the same about the whole work piece, guarantees syntropy with fast motion about the work piece, makes the work piece be heated and the cooling is even, improves the quenching quality of work piece.

Description

Quenching device

Technical Field

The utility model relates to the technical field of quenching equipment, in particular to a quenching device.

Background

With the continuous development of the mechanical manufacturing industry in China, the requirements for manufacturing key parts such as shafts, gears and the like which affect the performance of the whole machine are also continuously improved. For example, the shaft of an automobile starter needs good performance, otherwise, the running performance and the service life of the whole engine are directly influenced. In order to ensure that the shaft parts have certain hardness, the shaft parts are further processed by adopting a quenching process.

The advanced quenching process is generally finished on a quenching machine tool, a workpiece is fixed through two centers, and a heating device is arranged on the outer side of the workpiece to heat the workpiece. In the heating process, one tip rotates, and the other tip rotates under the drive of friction force; however, when the clamping force of the two centers on the workpiece is insufficient, the workpiece is easy to lose rotation or shake, so that the workpiece is heated unevenly; when the clamping force is too large, the workpiece can normally rotate, but the heated workpiece is easy to deform, so that the workpiece is scrapped; both conditions directly affect the quality of quenching and the performance of the workpiece.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a quenching device to solve the problems existing in the prior art, ensure the equidirectional and same-speed movement of the upper and lower centers, ensure the workpiece to be heated and cooled evenly and improve the quenching quality of the workpiece.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a quenching device, which comprises a frame, wherein a sliding table is connected on the frame in a sliding manner, the bottom of the sliding table is fixedly connected with a fixed table, and the sliding table is connected with a movable table in a sliding manner; the movable table is provided with a plurality of groups of upper center assemblies, and the fixed table is provided with lower center assemblies in one-to-one correspondence with the upper center assemblies.

The upper top point assembly comprises an upper working shaft and an upper top point fixedly connected with the lower end of the upper working shaft, and the upper working shaft is in shaft connection with the mobile platform; the lower center assembly comprises a lower working shaft and a lower center fixedly connected with the upper end of the lower working shaft, and the lower working shaft is coupled with the fixed table.

The sliding table is provided with a first gear and a second gear in a shaft connection mode, the first gear and the second gear are respectively connected with a first transmission feed rod and a second transmission feed rod, the first transmission feed rod is connected with a lower working shaft, the second transmission feed rod is connected with an upper working shaft, and the first gear and the second gear are driven by a first motor.

Preferably, the frame includes two sets of stands, and is two sets of the stand is provided with first guide rail, be provided with the first spout with first guide rail looks adaptation on the slip table, the inside first lead screw that is provided with of frame, first lead screw outside threaded connection has the fixed block, fixed block and slip table fixed connection, first lead screw passes through second motor drive, second motor and frame fixed connection.

Preferably, second guide rails are respectively arranged on two sides of the sliding table, and the mobile table is clamped in the two groups of second guide rails; fixedly connected with bearing frame on the mobile station, the bearing frame coupling has the second lead screw, second lead screw outside threaded connection has first belt pulley, first belt pulley and slip table coupling, first belt pulley passes through third motor drive, third motor and slip table fixed connection.

Preferably, the one end of first transmission feed rod runs through the slip table and is connected with first gear train, first gear train includes the final drive wheel the same with lower working shaft quantity, the last fixed second belt pulley that is provided with of final drive wheel, working shaft fixedly connected with third belt pulley down, be connected with synchronous pulley between second belt pulley and the third belt pulley.

Preferably, one end of the second transmission polished rod penetrates through the sliding table and is connected with a second gear set, and the second gear set is connected with the upper working shaft.

Preferably, the first gear and the second gear are meshed with each other, and the first motor drives the first transmission lever to rotate; the first motor is fixedly connected with the sliding table.

Preferably, the upper tip assembly and the lower tip assembly are respectively provided with two groups.

Preferably, the mobile station comprises an upper table top and a lower table top which are fixedly connected, a spring is arranged between the upper table top and the lower table top, and the upper working shaft penetrates through the spring.

The utility model discloses a following technological effect: the utility model discloses a work axle and the equidistance of lower work axle syntropy move in first transmission feed rod and the work of second transmission feed rod, drive, guarantee top syntropy and the same-speed motion about, it can guarantee that the work piece is rotatory only to need provide very little clamping-force about last top, avoids leading to the work piece to warp because the clamping-force is too big, makes the work piece be heated simultaneously and cools off evenly, improves the quenching quality of work piece.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a front view of the quenching apparatus of the present invention;

FIG. 2 is a side view of the quenching apparatus of the present invention;

FIG. 3 is a schematic view of the sliding table structure of the present invention;

the automatic feeding device comprises a frame 1, a stand 11, a first guide rail 12, a first lead screw 13, a sliding table 2, a first sliding groove 21, a second guide rail 22, a fixed table 3, a movable table 4, a bearing seat 41, a second lead screw 42, a first belt pulley 43, an upper table top 44, a lower table top 45, a spring 46, an upper center assembly 5, an upper working shaft 51, an upper center 52, a lower center assembly 6, a lower working shaft 61, a lower working shaft 62, a first gear 71, a first transmission lever 72, a second gear 81, a second transmission lever 82, a first motor 91, a second motor 92 and a third motor 93.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1-3, the utility model provides a quenching device, including frame 1, sliding connection has slip table 2 on frame 1, frame 1 includes two sets of stands 11, two sets of stands 11 are provided with first guide rail 12, be provided with the first spout 21 with first guide rail 12 looks adaptation on the slip table 2, frame 1 is inside to be provided with first lead screw 13, first lead screw 13 outside threaded connection has the fixed block, fixed block and slip table 2 fixed connection, first lead screw 13 passes through the drive of second motor 92, second motor 92 and frame 1 fixed connection. The first lead screw 13 is driven to rotate by the second motor 92, so that the sliding table 2 is driven to move up and down, and the height of the sliding table 2 is adjusted.

The bottom of the sliding table 2 is fixedly connected with a fixed table 3, and the sliding table 2 is connected with a movable table 4 in a sliding manner; second guide rails 22 are respectively arranged on two sides of the sliding table 2, and the mobile station 4 is clamped in the two groups of second guide rails 22; the movable table 4 is fixedly connected with a bearing seat 41, the bearing seat 41 is coupled with a second lead screw 42, the outer side of the second lead screw 42 is in threaded connection with a first belt pulley 43, the first belt pulley 43 is coupled with the sliding table 2, the first belt pulley 43 is driven by a third motor 93, and the third motor 93 is fixedly connected with the sliding table 2. The third motor 93 drives the first belt pulley 43 to rotate, and the second screw 42 matched with the first belt pulley rotates to drive the bearing seat 41 fixedly connected with the second screw 42 to move up and down, so that the up and down movement of the mobile station is realized.

A plurality of groups of upper center assemblies 5 are arranged on the movable table 4, and lower center assemblies 6 which are in one-to-one correspondence with the upper center assemblies 5 are arranged on the fixed table 3; the upper top tip assembly 5 comprises an upper working shaft 51 and an upper top tip 52 fixedly connected with the lower end of the upper working shaft 51, and the upper working shaft 51 is coupled with the mobile station 4; the lower center assembly 6 comprises a lower working shaft 61 and a lower center 62 fixedly connected with the upper end of the lower working shaft 61, and the lower working shaft 61 is coupled with the fixed table 3; the mobile station 4 comprises an upper table surface 44 and a lower table surface 45 which are fixedly connected, a spring 46 is arranged between the upper table surface 44 and the lower table surface 45, and an upper working shaft 51 penetrates through the spring 46 to provide elastic buffer force for the upper top tip component 5 and prevent overlarge clamping force for a workpiece.

A first gear 71 and a second gear 81 are coupled to the sliding table 2, the first gear 71 and the second gear 81 are respectively connected to a first transmission feed rod 72 and a second transmission feed rod 82, the first transmission feed rod 72 is connected to the lower working shaft 61, and the second transmission feed rod 82 is connected to the upper working shaft 51. One end of the first transmission feed rod 72 penetrates through the sliding table 2 to be connected with a first gear set, the first gear set comprises main transmission wheels the number of which is the same as that of the lower working shafts 61, second belt pulleys are fixedly arranged on the main transmission wheels, third belt pulleys are fixedly connected with the lower working shafts 61, and synchronous belt pulleys are connected between the second belt pulleys and the third belt pulleys. One end of the second transmission lever 82 penetrates through the sliding table 2 to be connected with a second gear set, and the second gear set is connected with the upper working shaft 51. The first gear 71 and the second gear 81 are driven by a first motor 91. The first gear 71 and the second gear 81 are meshed with each other, and the first motor 91 drives the first transmission lever 72 to rotate; the first motor 91 is fixedly connected with the sliding table 2.

According to the further optimized scheme, the upper tip assembly 5 and the lower tip assembly 6 are respectively provided with two groups, so that two groups of workpieces can be quenched simultaneously, and the production efficiency is improved.

The working process is as follows: the first screw rod 13 is driven to rotate by the second motor 92, so that the sliding table 2 is driven to move up and down, and the height of the sliding table 2 is adjusted; controlling a third motor 93 to work, driving the first belt pulley 43 to rotate, rotating the second screw rod 42 matched with the first belt pulley, driving the bearing seat 41 fixedly connected with the second screw rod 42 to move up and down, adjusting the distance between the upper tip 52 and the lower tip 62 to be larger than the length of the workpiece, placing the workpiece between the upper tip 52 and the lower tip 62, and clamping the workpiece by controlling the third motor 93; the heating assembly is moved to the outer side of the workpiece, the first motor 91 is controlled to drive the first transmission polished rod 72 and the second transmission polished rod 82 to work, the upper working shaft 51 and the lower working shaft 61 are driven to move at the same direction and speed, the movement speeds of the upper tip and the lower tip are ensured to be the same, the workpiece is heated and cooled uniformly, and the quenching quality of the workpiece is improved.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. A quenching device is characterized in that: the device comprises a rack (1), wherein a sliding table (2) is connected onto the rack (1) in a sliding manner, a fixed table (3) is fixedly connected to the bottom of the sliding table (2), and a movable table (4) is connected onto the sliding table (2) in a sliding manner; a plurality of groups of upper center assemblies (5) are arranged on the movable table (4), and lower center assemblies (6) which correspond to the upper center assemblies (5) one by one are arranged on the fixed table (3);

the upper top point assembly (5) comprises an upper working shaft (51) and an upper top point (52) fixedly connected with the lower end of the upper working shaft (51), and the upper working shaft (51) is in shaft connection with the mobile station (4); the lower center assembly (6) comprises a lower working shaft (61) and a lower center (62) fixedly connected with the upper end of the lower working shaft (61), and the lower working shaft (61) is in shaft connection with the fixed table (3);

there are first gear (71) and second gear (81) on slip table (2), first gear (71) and second gear (81) are connected with first transmission feed rod (72) and second transmission feed rod (82) respectively, first transmission feed rod (72) are connected with lower working shaft (61), second transmission feed rod (82) are connected with last working shaft (51), first gear (71) and second gear (81) are through first motor (91) drive.

2. The quenching apparatus as claimed in claim 1, wherein: frame (1) is including two sets of stands (11), and is two sets of stand (11) are provided with first guide rail (12), be provided with on slip table (2) first spout (21) with first guide rail (12) looks adaptation, frame (1) inside is provided with first lead screw (13), first lead screw (13) outside threaded connection has the fixed block, fixed block and slip table (2) fixed connection, first lead screw (13) are through second motor (92) drive, second motor (92) and frame (1) fixed connection.

3. The quenching apparatus as claimed in claim 1, wherein: second guide rails (22) are respectively arranged on two sides of the sliding table (2), and the mobile table (4) is clamped in the two groups of second guide rails (22); fixedly connected with bearing frame (41) on mobile station (4), bearing frame (41) coupling has second lead screw (42), second lead screw (42) outside threaded connection has first belt pulley (43), first belt pulley (43) and slip table (2) coupling, first belt pulley (43) are through third motor (93) drive, third motor (93) and slip table (2) fixed connection.

4. The quenching apparatus as claimed in claim 1, wherein: the one end of first transmission feed rod (72) is run through slip table (2) and is connected with first gear train, first gear train includes the final drive wheel the same with lower working shaft (61) quantity, the last fixed second belt pulley that is provided with of final drive wheel, lower working shaft (61) fixedly connected with third belt pulley, be connected with synchronous pulley between second belt pulley and the third belt pulley.

5. The quenching apparatus as claimed in claim 1, wherein: one end of the second transmission feed rod (82) penetrates through the sliding table (2) to be connected with a second gear set, and the second gear set is connected with the upper working shaft (51).

6. The quenching apparatus as claimed in claim 1, wherein: the first gear (71) and the second gear (81) are meshed with each other, and the first motor (91) drives the first transmission light bar (72) to rotate; the first motor (91) is fixedly connected with the sliding table (2).

7. The quenching apparatus as claimed in claim 1, wherein: the upper center assembly (5) and the lower center assembly (6) are respectively provided with two groups.

8. The quenching apparatus as claimed in claim 1, wherein: the mobile station (4) comprises an upper table top (44) and a lower table top (45) which are fixedly connected, a spring (46) is arranged between the upper table top (44) and the lower table top (45), and the upper working shaft (51) penetrates through the spring (46).