CN112210651B

CN112210651B - Thin-wall revolving body type steel casting heat treatment tool

Info

Publication number: CN112210651B
Application number: CN202011131262.3A
Authority: CN
Inventors: 曾利平
Original assignee: Zhejiang Zhongxing Intelligent Technology Co ltd
Current assignee: Zhejiang Zhongxing Intelligent Technology Co.,Ltd.
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-12-21
Anticipated expiration: 2040-10-21
Also published as: CN112210651A

Abstract

The invention provides a heat treatment tool for thin-wall revolving body type steel castings, which relates to the technical field of steel casting heat treatment and solves the problems that the existing steel casting tool can not simultaneously support the inner wall of the thin-wall steel casting and clamp the outer wall of the steel casting in the practical application process, therefore, the thin-wall steel casting is easy to deform in the heat treatment process, and the problems of effective shock insulation and reduction of deformation degree in deformation during heat treatment of the thin-wall steel casting cannot be solved, the thin-wall steel casting comprises a clamping driving mechanism, wherein an inner wall clamping mechanism is meshed and driven on the outer peripheral surface of the clamping driving mechanism, the adjusting gear in the anti-deformation mechanism can be manually adjusted to rotate according to the actual length of the steel casting in the clamping process, the purpose that the splicing support plate A and the splicing support plate B are adjusted according to the actual length of the steel casting through meshing transmission with the two expansion racks is achieved.

Description

Thin-wall revolving body type steel casting heat treatment tool

Technical Field

The invention belongs to the technical field of steel casting heat treatment, and particularly relates to a heat treatment tool for thin-wall rotary body type steel castings.

Background

The cast steel part is a part made of cast steel, has similar performance to cast iron, but has better strength than cast iron, the cast steel part has the defects of easy occurrence of air hole defects, inaccurate angle positioning and the like in the casting process, the shell fracture phenomenon can occur in long-term use, the heat treatment refers to a metal hot processing technology for obtaining expected tissues and properties by heating, heat preservation and cooling means when the material is in a solid state, the heat treatment effect is gradually known in the process of advancing from the stone ware era to the cuprum era and the ironware era, the heat treatment effect is discovered in 770 to 222 years before the yuan, Chinese people have found in production practice that the properties of steel can change due to the influence of temperature and pressure deformation, and the softening treatment of white cast iron is an important process for manufacturing agricultural implements;

the thin-wall steel casting is easy to deform and break due to the local overlarge stress in the heat treatment process, so that a tool capable of effectively clamping the thin-wall steel casting is urgently needed.

For example, application No.: the invention relates to the technical field of steel casting heat treatment, in particular to a large thin-wall revolving body steel casting heat treatment tool and a using method thereof, wherein the large thin-wall revolving body steel casting heat treatment tool comprises two or more layers of radial lacing wires arranged in a revolving body and used for supporting the inner wall of the revolving body, each layer of radial lacing wire is intersected and fixed at the revolving center of the revolving body, vertical supporting rods are arranged between the intersection points of adjacent upper and lower radial lacing wires and below the intersection point of the lowest layer of radial lacing wire, the radial lacing wires and the inner wall of the revolving body are fixed by spot welding, and the radial lacing wires are welded and fixed at the intersection point of the centers of the revolving bodies. The heat treatment tool and the use method can reduce the deformation of the thin-wall casting in the heat treatment, simplify the working procedure after the heat treatment of the casting, improve the production efficiency of the casting and shorten the production period.

Based on the search of the above patent and the discovery of combining the equipment in the prior art, when the equipment is used, although the equipment can support the thin-wall steel casting, in the practical application process, the equipment cannot simultaneously support the inner wall of the thin-wall steel casting and clamp the outer wall of the steel casting, so that the deformation is easy to occur in the heat treatment process, and the effective shock insulation and the deformation degree reduction during the deformation cannot be realized during the heat treatment of the thin-wall steel casting.

Disclosure of Invention

In order to solve the technical problems, the invention provides a thin-wall revolving body type steel casting heat treatment tool, which aims to solve the problems that the existing steel casting tool cannot simultaneously support the inner wall of a thin-wall steel casting and clamp the outer wall of the steel casting in the practical application process, so that the deformation is easy to occur in the heat treatment process, and the effective shock insulation and the deformation degree reduction during the deformation cannot be realized during the heat treatment of the thin-wall steel casting.

The invention relates to a thin-wall revolving body type steel casting heat treatment tool, which is achieved by the following specific technical means:

a heat treatment tool for thin-wall rotary body type steel castings comprises a clamping driving mechanism, an anti-deformation mechanism and an outer wall guide mechanism, wherein an inner wall clamping mechanism is in meshing transmission on the outer peripheral surface of the clamping driving mechanism and is positioned in the steel castings; the deformation preventing mechanisms are arranged at four positions in total, and the four deformation preventing mechanisms are elastically connected to the outer side of the inner wall clamping mechanism in an annular array; the left end of the outer wall guide mechanism is engaged with and driven by an outer wall clamping mechanism, and the outer wall clamping mechanism is clamped on the outer peripheral surface of the steel casting; the outer wall clamping mechanism comprises a transmission shaft, guide gears B, guide racks B and clamping blocks B, the transmission shaft is provided with four positions, the guide gears B are fixedly connected to the outer sides of the transmission shaft at the four positions, the guide racks B are meshed with the left sides of the guide gears B at the four positions in a transmission mode, the guide racks B at the four positions are fixedly connected to the outer peripheral face of the limiting ring B in an annular array mode, the clamping blocks B are provided with four positions, the clamping blocks B at the four positions are fixedly connected to the inner side positions of supporting blocks at the four positions respectively, and the guide gears B are in shaft connection with the supporting blocks through the transmission shaft in the installation state.

Furthermore, the clamping driving mechanism comprises a motor, a transmission screw, a rotating block, telescopic rods and a limiting plate, wherein the transmission screw is installed at the right end of the motor, the rotating block is rotatably connected to the right side of the outer peripheral surface of the transmission screw, the telescopic rods are arranged in four positions, the four telescopic rods are fixedly connected to the outer peripheral surface of the rotating block in an annular array mode, the limiting plate is fixedly connected to the outer peripheral surface of the transmission screw, and the motor is inserted into the inner position of the steel casting in the installation state;

furthermore, the inner wall clamping mechanism comprises a limiting ring A, guide racks A and guide gears A, the guide racks A are arranged at four positions, the guide racks A at the four positions are fixedly connected to the outer peripheral surface of the limiting ring A in an annular array mode, and the right ends of the guide racks A at the four positions are meshed with the guide gears A in a transmission mode;

furthermore, the inner wall clamping mechanism also comprises clamping blocks A, connecting rods A and a guide disc A, wherein the connecting rods A are arranged at four positions, the connecting rods A at four positions are fixedly connected to the position of the outer peripheral surface of the guide disc A in an annular array mode, the outer sides of the connecting rods A at four positions are respectively and fixedly connected with the clamping blocks A at four positions, the guide disc A is meshed and driven at the outer side position of the transmission screw rod in the installation state, and the clamping blocks A at four positions are all contacted with the inner wall of the steel casting;

furthermore, the deformation preventing mechanism comprises a splicing support plate A, a splicing support plate B, an adjusting gear, two expanding racks and a shock-absorbing spring, wherein the splicing support plate A and the splicing support plate B are spliced, the two expanding racks are arranged at two positions, the two expanding racks are symmetrically and fixedly connected to the right side and the left side of the bottom end surfaces of the splicing support plate A and the splicing support plate B, the adjusting gear is meshed and driven at the inner sides of the two expanding racks, the shock-absorbing spring is arranged at two positions, the two shock-absorbing springs are respectively and fixedly connected to the left side and the right side of the bottom end surfaces of the splicing support plate A and the splicing support plate B, and the splicing support plate A and the splicing support plate B are respectively and elastically connected to the outer side of the clamping block A through the shock-absorbing spring in an installation state;

furthermore, the outer wall guide mechanism comprises a guide disc B and connecting rods B, the connecting rods B are arranged at four positions, the four positions and the connecting rods B are in annular array and are axially connected to the outer peripheral surface of the guide disc B, and the thread direction of the inner wall of the guide disc B is opposite to that of the inner wall of the guide disc A;

furthermore, outer wall guiding mechanism still includes supporting shoe and spacing ring B, the supporting shoe is equipped with everywhere altogether, and just everywhere supporting shoe rotates respectively and connects the left side position at four connecting rod B, spacing ring B is located the left side position of positioning disk B, and positioning disk B meshing transmission is in drive screw's outside position under the mounted state.

Compared with the prior art, the invention has the following beneficial effects:

in the invention, the guide gear A and the guide rack A are pushed to carry out meshing transmission through the connecting rod A so as to achieve the purpose of synchronously expanding the four clamping blocks A outwards, the design can ensure that the clamping block A on the right side can synchronously lift under the supporting action of the telescopic rod so as to achieve the purpose of stably supporting the inner wall of the steel casting, and the adjusting gear in the anti-deformation mechanism can be manually adjusted to rotate according to the actual length of the steel casting in the clamping process so as to achieve the purpose of adjusting the splicing support plate A and the splicing support plate B according to the actual length of the steel casting through meshing transmission with the two expanding racks, and the bottom end surfaces of the splicing support plate A and the splicing support plate B are fixedly connected with the shock absorbing spring, so that good supporting and energy dissipation effects can be effectively realized when the steel casting is deformed, on the other hand, the direction of the thread of the inner wall of the guide disc B is opposite to the direction of the thread of the inner wall of the guide disc A, therefore when the guide disc A moves towards the left side, the guide disc B can synchronously rotate towards the opposite direction, when the guide disc B moves towards the right side, the guide gear B in the outer wall clamping mechanism and the guide rack B are meshed for transmission, so that the clamping blocks B at four positions can move inwards to gather together until the outer wall of the steel casting is subjected to limiting clamping operation, the outer wall clamping mechanism can be matched with the inner wall clamping mechanism to synchronously clamp the outer wall of the steel casting, and the steel casting is processed more stably.

Drawings

Fig. 1 is a left side view schematic diagram of the present invention in a full-section state.

Fig. 2 is a right side view of the present invention in a full-section state.

Fig. 3 is a schematic front view of the present invention in a full-section state.

Fig. 4 is a schematic view of the assembled structure of the present invention.

Fig. 5 is a schematic view of the clamp driving mechanism of the present invention.

Fig. 6 is a schematic structural view of the deformation preventing mechanism of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. casting steel; 2. a clamping drive mechanism; 201. a motor; 202. a drive screw; 203. rotating the block; 204. a telescopic rod; 205. a limiting plate; 3. an inner wall clamping mechanism; 301. a limiting ring A; 302. a guide rack A; 303. a guide gear A; 304. a clamping block A; 305. a connecting rod A; 306. a guide disc A; 4. an anti-deformation mechanism; 401. splicing a support plate A; 402. splicing the support plate B; 403. an adjusting gear; 404. expanding the rack; 405. a shock absorbing spring; 5. an outer wall guide mechanism; 501. a guide disc B; 502. a connecting rod B; 503. a support block; 504. a limiting ring B; 6. an outer wall clamping mechanism; 601. a drive shaft; 602. a guide gear B; 603. a guide rack B; 604. and a clamping block B.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 6:

the invention provides a heat treatment tool for thin-wall revolving body type steel castings, which comprises: the device comprises a clamping driving mechanism 2, an anti-deformation mechanism 4 and an outer wall guide mechanism 5, wherein an inner wall clamping mechanism 3 is meshed and driven on the outer peripheral surface of the clamping driving mechanism 2, and the inner wall clamping mechanism 3 is positioned in the steel casting 1; the inner wall clamping mechanism 3 comprises a limiting ring A301, guide racks A302 and guide gears A303, the guide racks A302 are arranged at four positions, the guide racks A302 at four positions are fixedly connected to the outer peripheral surface of the limiting ring A301 in an annular array mode, and the right ends of the guide racks A302 at four positions are in meshing transmission with the guide gears A303; the deformation preventing mechanisms 4 are arranged at four positions in total, and the four deformation preventing mechanisms 4 are elastically connected to the outer side of the inner wall clamping mechanism 3 in an annular array; the left end of the outer wall guide mechanism 5 is engaged with and driven by an outer wall clamping mechanism 6, and the outer wall clamping mechanism 6 is clamped on the outer peripheral surface of the steel casting 1; the outer wall guide mechanism 5 further comprises supporting blocks 503 and a limiting ring B504, the supporting blocks 503 are arranged at four positions, the four supporting blocks 503 are respectively and rotatably connected to the left positions of the four connecting rods B502, the limiting ring B504 is located at the left position of the guide disc B501, and the guide disc B501 is meshed and driven at the outer side position of the transmission screw 202 in the installation state; the outer wall clamping mechanism 6 comprises a transmission shaft 601, guide gears B602, guide racks B603 and clamping blocks B604, the transmission shaft 601 is provided with four positions, the outer sides of the transmission shaft 601 are fixedly connected with the guide gears B602, the left sides of the guide gears B602 are meshed with the guide racks B603, the guide racks B603 are fixedly connected to the outer peripheral surface of the limit ring B504 in an annular array mode, the clamping blocks B604 are provided with four positions, the clamping blocks B604 are fixedly connected to the inner sides of the support blocks 503 respectively, and the guide gears B602 are in shaft connection with the support blocks through the transmission shaft 601 in the installation state.

Wherein, press from both sides tight actuating mechanism 2 including motor 201, drive screw 202, commentaries on classics piece 203, telescopic link 204 and limiting plate 205, drive screw 202 is installed to the right-hand member of motor 201, and the outer peripheral face right side of drive screw 202 rotates and is connected with commentaries on classics piece 203, telescopic link 204 is equipped with everywhere altogether, and everywhere telescopic link 204 is the outer peripheral face position of annular array fixed connection at commentaries on classics piece 203, limiting plate 205 fixed connection is in drive screw 202's outer peripheral face position, motor 201 pegs graft in the inside position of cast steel 1 under the installation condition.

The inner wall clamping mechanism 3 further comprises clamping blocks A304, connecting rods A305 and a guide disc A306, the connecting rods A305 are arranged at four positions, the four connecting rods A305 are fixedly connected to the outer peripheral surface of the guide disc A306 in an annular array mode, the four clamping blocks A304 are fixedly connected to the outer sides of the four connecting rods A305 respectively, the guide disc A306 is meshed with and driven to the outer side position of the transmission screw 202 in the installation state, and the four clamping blocks A304 are all in contact with the inner wall of the steel casting 1.

Wherein, the deformation-preventing mechanism 4 comprises a splicing support plate A401, a splicing support plate B402, an adjusting gear 403, an expansion rack 404 and a shock-absorbing spring 405, the splicing support plate A401 and the splicing support plate B402 are spliced, the expansion rack 404 is provided with two positions, the two expansion racks 404 are symmetrically and fixedly connected at the right side and the left side of the bottom end surfaces of the splicing support plate A401 and the splicing support plate B402, the inner sides of the two expansion racks 404 are engaged and driven with the adjusting gear 403, the shock-absorbing spring 405 is provided with two positions, the two shock-absorbing springs 405 are respectively and fixedly connected at the left side and the right side of the bottom end surfaces of the splicing support plate A401 and the splicing support plate B402, the splicing support plate A401 and the splicing support plate B402 are respectively and elastically connected at the outer side of the clamping block A304 through the shock-absorbing spring 405 in the installation state, the splicing support plate A401 and the splicing support plate B402 are adjusted according to the actual length of the steel casting 1 through the engagement and the transmission with the two expansion racks 404, and the bottom end surfaces of the splicing support plate A401 and the splicing support plate B402 are fixedly connected with the shock absorbing springs 405, so that good supporting and energy dissipation effects can be effectively achieved when the steel casting 1 deforms.

The outer wall guide mechanism 5 comprises a guide disc B501 and connecting rods B502, the connecting rods B502 are arranged at four positions, the four positions and the connecting rods B502 are in annular array and are axially connected to the outer peripheral surface of the guide disc B501, and the thread direction of the inner wall of the guide disc B501 is opposite to that of the inner wall of the guide disc A306.

When in use: firstly, a thin-wall steel casting 1 is sleeved at the outer side position of a clamping block A304 in an inner wall clamping mechanism 3, then when the thin-wall steel casting moves leftwards along the transmission screw 202 by starting a motor 201 in a clamping driving mechanism 2 and through the meshing transmission of a transmission screw 202 and a guide disc A306 which are installed at the right end of the thin-wall steel casting, the guide gear A303 and a guide rack A302 are pushed to carry out meshing transmission through a connecting rod A305, so that the aim of synchronously expanding the clamping blocks A304 at four positions outwards is fulfilled, the design can ensure that the clamping block A304 at the right side is synchronously lifted under the supporting action of a telescopic rod 204, so that the aim of stably supporting the inner wall of the steel casting 1 is fulfilled, in addition, an adjusting gear 403 in an anti-deformation mechanism 4 can be manually adjusted according to the actual length of the steel casting 1 in the clamping process, so as to ensure that a splicing support plate A401 and a splicing support plate B402 are adjusted according to the actual length of the steel casting 1 through the meshing transmission with two expansion support plates 404, the bottom end surfaces of the splicing support plate A401 and the splicing support plate B402 are fixedly connected with the shock absorbing springs 405, so that good supporting and energy dissipating effects can be effectively achieved when the steel casting 1 deforms;

on the other hand, when the transmission screw 202 rotates, the guide disc B501 meshed and transmitted on the right side of the outer peripheral surface of the guide screw is synchronously rotated, and the thread direction of the inner wall of the guide disc B501 is opposite to that of the inner wall of the guide disc a306, so that when the guide disc a306 moves to the left side, the guide disc B501 synchronously rotates to the opposite direction, and when the guide disc B501 moves to the right side, the four clamping blocks B604 are gathered to the inner side through the meshing transmission of the guide gear B602 and the guide rack B603 in the outer wall clamping mechanism 6 until the outer wall of the steel casting 1 can be clamped in a limiting manner, and the design can synchronously clamp the outer wall of the steel casting 1 by using the outer wall clamping mechanism 6 while matching with the inner wall clamping mechanism 3 to clamp the outer wall of the steel casting 1, so as to achieve more stable machining operation of the steel casting 1.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a thin wall solid of revolution class steel casting heat treatment frock which characterized in that: the steel casting anti-deformation device comprises a clamping driving mechanism (2), an anti-deformation mechanism (4) and an outer wall guide mechanism (5), wherein an inner wall clamping mechanism (3) is meshed and driven on the outer peripheral surface of the clamping driving mechanism (2), and the inner wall clamping mechanism (3) is positioned in the steel casting (1); the deformation preventing mechanisms (4) are arranged at four positions in total, and the four deformation preventing mechanisms (4) are elastically connected to the outer side of the inner wall clamping mechanism (3) in an annular array; the left end of the outer wall guide mechanism (5) is engaged with and driven by an outer wall clamping mechanism (6), and the outer wall clamping mechanism (6) is clamped on the outer peripheral surface of the steel casting (1); the outer wall clamping mechanism (6) comprises a transmission shaft (601), guide gears B (602), guide racks B (603) and clamping blocks B (604), the transmission shaft (601) is provided with four positions, the outer sides of the four transmission shafts (601) are fixedly connected with the guide gears B (602), the left sides of the four guide gears B (602) are respectively engaged with the guide racks B (603), the four guide racks B (603) are fixedly connected to the outer peripheral surface of the limit ring B (504) in an annular array mode, the clamping blocks B (604) are provided with four positions, the four clamping blocks B (604) are respectively and fixedly connected to the inner side positions of the four supporting blocks (503), and the guide gears B (602) are connected with the supporting blocks (503) through the transmission shafts (601) in a shaft connection mode in the installation state; the deformation-preventing mechanism (4) comprises a splicing support plate A (401), a splicing support plate B (402), an adjusting gear (403), an expansion rack (404) and a shock-absorbing spring (405), the splicing support plate A (401) and the splicing support plate B (402) are spliced, the expansion rack (404) is provided with two positions, and two expansion racks (404) are symmetrically and fixedly connected at the right side and the left side of the bottom end surfaces of the splicing support plate A (401) and the splicing support plate B (402), and the inner sides of the two expansion racks (404) are engaged and driven with adjusting gears (403), the shock absorbing spring (405) is provided with two positions, and the two shock absorbing springs (405) are fixedly connected to the same side position of the bottom end faces of the splicing support plate A (401) and the splicing support plate B (402), and the splicing support plate A (401) and the splicing support plate B (402) are respectively and elastically connected to the outer side position of the clamping block A (304) through the shock absorbing springs (405) in the installation state.

2. The heat treatment tool for the thin-wall rotary body type steel casting according to claim 1, characterized in that: press from both sides tight actuating mechanism (2) including motor (201), drive screw (202), commentaries on classics piece (203), telescopic link (204) and limiting plate (205), drive screw (202) are installed to the right-hand member of motor (201), and the outer peripheral face right side of drive screw (202) rotates and is connected with commentaries on classics piece (203), telescopic link (204) are equipped with everywhere altogether, and everywhere telescopic link (204) are the outer peripheral face position of annular array fixed connection at commentaries on classics piece (203), limiting plate (205) fixed connection is in the outer peripheral face position of drive screw (202), and motor (201) are pegged graft in the inside position of cast steel spare (1) under the installation state.

3. The heat treatment tool for the thin-wall rotary body type steel casting according to claim 1, characterized in that: the inner wall clamping mechanism (3) comprises a limiting ring A (301), a guide rack A (302) and a guide gear A (303), the guide rack A (302) is provided with four positions, the four guide racks A (302) are fixedly connected to the outer peripheral surface of the limiting ring A (301) in an annular array mode, the right ends of the four guide racks A (302) are respectively meshed with and drive the guide gear A (303), the inner wall clamping mechanism (3) further comprises a clamping block A (304), a connecting rod A (305) and a guide disc A (306), the connecting rod A (305) is provided with four positions, the four connecting rods A (305) are fixedly connected to the outer peripheral surface of the guide disc A (306) in an annular array mode, the outer sides of the four connecting rods A (305) are respectively and fixedly connected with the four clamping blocks A (304), and the guide disc A (306) is meshed with and driven at the outer side position of the transmission screw rod (202) in the installation state, and the four clamping blocks A (304) are all contacted with the inner wall of the steel casting (1).

4. The heat treatment tool for the thin-wall rotary body type steel casting according to claim 1, characterized in that: the outer wall guide mechanism (5) comprises a guide disc B (501) and a connecting rod B (502), the connecting rod B (502) is provided with four positions, the four positions and the connecting rod B (502) are in annular array axial connection with the outer peripheral surface of the guide disc B (501), the inner wall thread direction of the guide disc B (501) is opposite to the inner wall thread direction of the guide disc A (306), the outer wall guide mechanism (5) further comprises supporting blocks (503) and a limiting ring B (504), the supporting blocks (503) are provided with four positions, the four supporting blocks (503) are respectively connected to the left side positions of the four connecting rod B (502) in a rotating mode, the limiting ring B (504) is located at the left side position of the guide disc B (501), and the guide disc B (501) is in meshed transmission with the outer side position of the transmission screw rod (202) in the installation state.