CN218291079U

CN218291079U - Harness for reducing high-temperature damage of workpiece

Info

Publication number: CN218291079U
Application number: CN202222043676.1U
Authority: CN
Inventors: 于铁生
Original assignee: TIANJIN CHUANGZHEN METAL TECHNOLOGY CO LTD
Current assignee: TIANJIN CHUANGZHEN METAL TECHNOLOGY CO LTD
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2023-01-13
Anticipated expiration: 2032-08-04

Abstract

The utility model provides a reduce work piece high temperature and press against both sides and hinder harness belongs to heat treatment technical field, including chassis underframe, heat dissipation tray and partition portion be provided with ventilation frame and support column on the chassis underframe, the support column sets up respectively the four corners of chassis underframe be provided with the fixed column on the ventilation frame, the heat dissipation tray can be followed the support column with the fixed column slides and sets up be equipped with the radiating groove on the heat dissipation tray, partition portion overlaps and establishes on the support column. The beneficial effects of the utility model are that can make the support of work piece lower extreme realize the face contact, avoid the bottom of work piece to be pressed against the wound by high temperature.

Description

Harness for reducing high-temperature damage of workpiece

Technical Field

The utility model belongs to the technical field of heat treatment, especially, relate to a reduce work piece high temperature and press against wounded harness.

Background

For mechanical shaft and sleeve parts, high hardness and high wear resistance are required, the core part has enough toughness, and the effective hardened layer is relatively deep, and low-carbon alloy steel is generally adopted for carburizing and quenching treatment.

In order to facilitate assembly, the depth of a hardened layer is ensured, and the allowance for grinding the two ends after carburizing and quenching is small, however, because the workpiece is heavy, when the lower end of the workpiece is contacted on a dense grid, point contact or line contact is formed, the workpiece is heated for a long time in a high-temperature environment, damage to the lower end face of the workpiece occurs after carburizing, and a black skin is left on the surface during machining after quenching, so that the product is degraded or scrapped.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a reduce work piece high temperature and press against both sides and hinder harness, can make the support of work piece lower extreme realize the face contact, avoid the bottom of work piece to be pressed against both sides by high temperature and hinder.

In order to solve the technical problem, the utility model discloses a technical scheme is: the fixture for reducing the high-temperature damage of the workpiece comprises a chassis frame, a heat dissipation tray and a partition part, wherein a ventilation frame and supporting columns are arranged on the chassis frame, the supporting columns are arranged at four corners of the chassis frame respectively, fixing columns are arranged on the ventilation frame, the heat dissipation tray can slide along the supporting columns and the fixing columns, heat dissipation grooves are formed in the heat dissipation tray, and the partition part is sleeved on the supporting columns.

Furthermore, the heat dissipation device comprises a heat dissipation chassis and a heat dissipation pressure plate, wherein the heat dissipation chassis and the heat dissipation pressure plate can be arranged along the supporting columns and the fixing columns in a sliding mode, and heat dissipation grooves are formed in the heat dissipation chassis and the heat dissipation pressure plate.

Furthermore, a central positioning hole and a side positioning hole are formed in the heat dissipation chassis, the heat dissipation tray and the heat dissipation pressure plate, the central positioning hole is matched with the fixing column, and the side positioning hole is matched with the supporting column.

Further, the partition part is used for separating the heat dissipation chassis, the heat dissipation tray and the heat dissipation pressure plate.

Furthermore, B blocking parts are arranged on the upper end face and the lower end face of the heat dissipation tray along the periphery, and B placing grooves are arranged at four corners of each B blocking part.

Further, the upper end face of heat dissipation chassis is provided with A barrier portion along all around the four corners of A barrier portion all is equipped with A standing groove the lower section edge of heat dissipation pressure disk is provided with C barrier portion all around the four corners of C barrier portion all is equipped with C standing groove.

Furthermore, the radiating grooves are hexagonal and distributed at equal intervals and are honeycomb-shaped.

Furthermore, the length of the fixing column is longer than that of the supporting column, and the fixing column is connected with a fixing portion in a threaded mode.

Further, the placement grooves B, the placement grooves A and the placement grooves C are matched with the partition parts.

The utility model has the advantages and positive effects be:

by adopting the technical scheme, the workpieces can be stably stacked and are honeycomb-shaped radiating grooves, the contact area of the bottoms of the workpieces can be increased, the contact between surfaces is formed, the stress of the workpieces is uniform, the condition that the workpieces are damaged due to point and line contact is avoided, and the air circulation can be ensured. And the arrangement of the heat dissipation chassis, the heat dissipation tray and the heat dissipation pressure plate can lead the workpieces to be processed in a centralized way, thereby being convenient for carrying, and the A blocking part, the B blocking part and the C blocking part can demarcate the stacking range and can avoid the workpieces from falling off in the carrying process.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of the structure of the heat dissipation tray of the present invention;

fig. 4 is a schematic view of the heat dissipation platen structure of the present invention.

In the figure:

1. a chassis frame; 11. a ventilation frame; 12. fixing the column; 121. a threaded portion; 13. lifting and pulling the groove; 14. a support column;

2. a heat dissipation chassis; 21. a blocking part A; 22. a, placing a groove;

3. a, separating sleeves; 31. b, separating sleeves; 32. c, separating sleeves;

4. a heat dissipation tray; 41. a B barrier section; 42. b, placing a groove;

5. a heat dissipation platen; 51. a C barrier; 52. c, placing a groove;

6. a heat sink; 61. a central positioning hole; 62. side positioning holes;

7. a fixed part; 71. the handle is rotated.

Detailed Description

The present invention will be further described with reference to the following examples and the accompanying drawings.

As shown in fig. 1 to 4, the present embodiment provides a fixture for reducing high temperature damage to a workpiece, which includes a chassis frame 1, a heat dissipation chassis 2, a heat dissipation tray 4, and a heat dissipation pressure plate 5, which are sequentially disposed from bottom to top, wherein the heat dissipation chassis 2, the heat dissipation tray 4, and the heat dissipation pressure plate 5 are separated by partitions.

The ventilating frame 11 and the supporting columns 14 are arranged on the chassis frame 1, the number of the supporting columns 14 is four, the four supporting columns are respectively located at four corners of the chassis frame 1, a fixing column 12 is arranged at the center of the ventilating frame 11, the length of the fixing column 12 is longer than that of the supporting column 14, and in order to facilitate the moving of the chassis frame 11, lifting grooves 13 are formed in two sides of the chassis frame 11.

The heat dissipation chassis 2, the heat dissipation tray 4 and the heat dissipation pressure plate 5 are respectively provided with heat dissipation grooves 6 distributed at equal intervals, a central positioning hole 61 positioned at the center and side positioning holes 62 positioned at four corners, the heat dissipation grooves 6 are hexagonal, the heat dissipation grooves 6 distributed at equal intervals are honeycomb-shaped, the central positioning hole 61 corresponds to the fixed column 12, the side positioning holes 62 correspond to the support columns 14, and the heat dissipation chassis 2, the heat dissipation tray 4 and the heat dissipation pressure plate 5 can slide into the chassis frame 1 along the fixed column 12 and the support columns 14.

An A blocking part 21 is arranged on the upper end face of the heat dissipation chassis 2 along the surrounding edge in a surrounding mode, and A placing grooves 22 are arranged at four corners of the A blocking part 21.

The number of the heat dissipation trays 4 is two, the B blocking portions 41 are arranged around the edges of the periphery of the upper end face and the lower end face of the heat dissipation tray 4, and the B placing grooves 42 are arranged at four corners of each B blocking portion 41.

The lower end surface of the heat dissipation platen 5 is provided with C blocking portions 51 around the peripheral edges, and C placing grooves 52 are provided at four corners of each C blocking portion 51.

The width of the a placement groove 22, the width of the B placement groove 42, and the width of the C placement groove 52 are matched to the diameter of the partition.

The separating part is sleeved on the supporting column 14 and comprises a separating sleeve A3 for separating the heat dissipation chassis 2 from the heat dissipation tray 4, a separating sleeve B31 for separating the two heat dissipation trays, and a separating sleeve C32 for separating the heat dissipation tray 4 from the heat dissipation pressure plate 5.

The upper end of the fixing column 12 is provided with a threaded section 121, the upper end of the fixing column 12 is in threaded connection with a fixing part 7 for fixing the position of the heat dissipation pressure plate 5, and two side ends of the fixing part 7 are provided with rotating handles 71 for rotation.

In this embodiment, the distance between two adjacent heat dissipation grooves 6 is 4 to 5mm, the diameters of the center positioning hole 61 and the side positioning holes 62 are 30mm, and the heights of the a stopper 21, the B stopper 41, and the C stopper 51 are 5 to 6mm.

The working process of the example is as follows:

the central positioning hole and the side positioning hole on the heat dissipation chassis 2 correspond to the fixed column 12 and the supporting column 14 respectively, so that the heat dissipation chassis 2 slides onto the chassis frame 1 along the fixed column 12 and the supporting column 14, and a user stacks cylindrical workpieces on the heat dissipation chassis 2 in batches. The four A separation sleeves 3 are respectively sleeved on the supporting columns 14, and the bottoms of the A separation sleeves 3 slide into the A placing grooves 22.

Then, the central positioning hole and the side positioning hole on the heat dissipation tray 4 correspond to the fixing column 12 and the supporting column 14 respectively, so that the heat dissipation tray 4 slides into the chassis frame 1, the placing groove B42 at the lower side of the heat dissipation tray 4 is attached to the upper end of the separation sleeve A3, and cylindrical workpieces are stacked on the heat dissipation tray 5 in batches.

In this embodiment, two heat dissipation trays 4 are provided, and then four B spacers 31 are respectively sleeved on the support pillars 14, so that the second heat dissipation tray 4 slides into the chassis frame 1, the upper ends of the B spacers 31 correspond to the B placement grooves 42 on the lower side of the second heat dissipation tray, and the cylindrical workpieces are stacked on the second heat dissipation tray 4 in batches.

The four C separating sleeves 32 are respectively sleeved on the supporting columns 14, then the heat dissipation pressure plate 5 slides into the chassis frame 1, the C placing grooves 52 are attached to the upper end faces of the C separating sleeves 32, the fixing part 7 is connected to the upper ends of the fixing columns 12 in a threaded mode through rotating the rotating handle 71, and the position of the heat dissipation pressure plate 5 is fixed.

The utility model has the advantages that:

through the arrangement of the heat dissipation base plate 2, the heat dissipation tray 4 and the heat dissipation pressure plate 5, the condition that the lower end of the workpiece is damaged by abrasion due to the fact that the workpieces are mutually overlapped and stressed unevenly can be avoided. The radiating grooves 6 are hexagonal, so that the lower end faces of the workpieces are in surface contact with the honeycomb-shaped radiating grooves 6, the workpieces are in surface contact at least at three positions, the stress area is enlarged, the stress is more uniform, the stacking is stable, and the high-temperature damage phenomenon cannot be caused even if the workpieces are heated at high temperature for a long time.

The setting of A stop part 21 and B stop part 31 has all carried out the division to the range of putting things in good order of work piece, prevents that the work piece from scattering chassis 2 and heat dissipation tray 4 landing, and the setting of C stop part 51 has played the effect of restriction work piece upper end, with fixed part 7 threaded connection on fixed column 12, can prevent the slip of heat dissipation pressure disk 5, fixes heat dissipation tray 4 and heat dissipation chassis 2 positions in proper order simultaneously, prevents its running.

While one or more embodiments of the present invention have been described in detail, the description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a reduce work piece high temperature and press against wounded harness which characterized in that: the heat dissipation tray comprises a chassis frame (1), a heat dissipation tray (4) and a partition part, wherein a ventilation frame (11) and supporting columns (14) are arranged on the chassis frame (1), the supporting columns (14) are arranged at four corners of the chassis frame (1) respectively, fixing columns (12) are arranged on the ventilation frame (11), the heat dissipation tray (4) can be arranged along the supporting columns (14) and the fixing columns (12) in a sliding mode, heat dissipation grooves (6) are formed in the heat dissipation tray (4), and the partition part is sleeved on the supporting columns (14).

2. The fixture for reducing high temperature damage to workpieces as recited in claim 1, wherein: including heat dissipation chassis (2) and heat dissipation pressure disk (5), heat dissipation chassis (2) with heat dissipation pressure disk (5) all can be followed support column (14) with fixed column (12) slide the setting heat dissipation chassis (2) with all be equipped with radiating groove (6) on heat dissipation pressure disk (5).

3. The tooling for reducing high temperature damage to a workpiece according to claim 2, wherein: the heat dissipation chassis (2), the heat dissipation tray (4) and the heat dissipation pressure plate (5) are respectively provided with a central positioning hole (61) and a side positioning hole (62), the central positioning hole (61) is matched with the fixing column (12), and the side positioning hole (62) is matched with the supporting column (14).

4. The tooling for reducing high temperature damage to a workpiece according to claim 2, wherein: the partition part is used for separating the heat dissipation chassis (2), the heat dissipation tray (4) and the heat dissipation pressure plate (5).

5. The tooling for reducing high temperature damage to a workpiece according to claim 2, wherein: b blocking parts (41) are arranged on the upper end face and the lower end face of the heat dissipation tray (4) along the periphery, and B placing grooves (42) are arranged at four corners of each B blocking part (41).

6. The fixture for reducing high temperature damage to workpieces as recited in claim 5, wherein: the radiating pressure plate is characterized in that A blocking parts (21) are arranged on the periphery of the upper end face of the radiating base plate (2), A placing grooves (22) are formed in four corners of each A blocking part (21), C blocking parts (51) are arranged on the periphery of the lower section edge of the radiating pressure plate (5), and C placing grooves (52) are formed in four corners of each C blocking part (51).

7. The tooling for reducing high temperature damage to a workpiece according to claim 2, wherein: the radiating grooves (6) are hexagonal, and the radiating grooves (6) distributed at equal intervals are honeycomb-shaped.

8. The tooling for reducing high temperature damage to a workpiece according to claim 1, wherein: the length of the fixed column (12) is longer than that of the supporting column (14), and a fixing part (7) is connected to the fixed column (12) in a threaded mode.

9. The tooling for reducing high temperature damage to a workpiece according to claim 6, wherein: the B placement groove (42), the A placement groove (22), and the C placement groove (52) are all mated with the partition.