Vacuum heat treatment hanger
By introducing a ring-shaped arrangement of vertical and horizontal bars into the vacuum heat treatment fixture, and utilizing blocking rings and limiting sleeves, the problem of low space utilization in the prior art is solved, and the workpiece is evenly distributed on the inner and outer circumference of the chassis, thereby improving space utilization.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHENGDU WANKEXIN TECH CO LTD
- Filing Date
- 2025-04-30
- Publication Date
- 2026-07-24
AI Technical Summary
When placing cylindrical alloys in existing vacuum heat treatment fixtures, the alloys are mainly concentrated on the outer side of the rotating disk, resulting in idle inner space and low space utilization.
A vacuum heat treatment fixture was designed, including a chassis, movable columns, movable plates, and limiting devices. Through the ring arrangement of vertical and horizontal rods, combined with the use of blocking rings and limiting sleeves, the workpiece can be evenly placed on the inner and outer circumferences of the chassis, making full use of space.
This improves space utilization, allowing workpieces to be evenly distributed on the outer and inner sides of the chassis, thus enhancing space efficiency.
Smart Images

Figure CN224548463U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of vacuum heat treatment auxiliary equipment technology, and in particular to a vacuum heat treatment fixture. Background Technology
[0002] Vacuum heat treatment refers to a heat treatment process that is carried out entirely or partially under vacuum, greatly improving the quality of heat treatment. Compared with conventional heat treatment, vacuum heat treatment can simultaneously achieve oxidation-free, decarburization-free, and carburization-free processes, remove phosphorus scale from the workpiece surface, and has degreasing and degassing effects, thereby achieving a bright and clean surface effect. Most existing fixtures are fixedly hung on the object, requiring workers to walk around the fixture when placing cylindrical alloys, which is inconvenient for workers.
[0003] Existing patent CN214694284U describes a hanger for vacuum heat treatment of high-strength alloys, comprising a disc, a connecting rod, and a hook. The connecting rod is fixedly connected between two discs, and a hook is fixedly connected to the top of one disc. A rotating disk is rotatably connected to the inner side of each disc, and a fixed rod is fixedly connected to the inner side of the rotating disk. A fixed sleeve is fitted onto the outer side of the fixed rod, and a container is connected to the outer side of the fixed sleeve. A transmission box is fixedly installed at the bottom of each disc. By rotating a knob, the elastic restoring force of a spiral spring causes the fixed ring to rotate in the opposite direction, driving the driving gear to rotate. The driving and driven spiral gears mesh with the driving and driven bevel gears, causing the container on the fixed rod to rotate sequentially to the front of the worker. This device, using a spiral spring, allows the worker to place cylindrical alloys without moving around the hanger, facilitating the placement of cylindrical alloys.
[0004] However, when using a high-strength alloy vacuum heat treatment fixture from an existing patent, the cylindrical aluminum alloy in the device is mainly concentrated on the outer side of the rotating disk after placement, while the inner side is idle, resulting in low space utilization. Utility Model Content
[0005] The purpose of this invention is to provide a vacuum heat treatment fixture that solves the problem in the aforementioned device where cylindrical aluminum alloys, after placement, are mainly concentrated on the outer side of the rotating disk while the inner side remains idle, resulting in low space utilization.
[0006] To achieve the above objectives, this utility model provides a vacuum heat treatment fixture, including a chassis, a movable column, a movable plate, and a limiting device. The movable column is rotatably mounted on the chassis and has a hook. The movable plate is slidably mounted on the movable column via the limiting device. The fixture also includes a placement device, which comprises a fixing ring, a fixing plate, a vertical surround rod, a horizontal surround rod, a mounting assembly, and a blocking assembly. The fixing ring is fixedly mounted on the chassis, the fixing plate is fixedly mounted on the fixing ring, the vertical surround rod is fixedly mounted on the fixing plate, the horizontal surround rod is mounted on the movable column via the mounting assembly, and the blocking assembly is mounted on the horizontal surround rod.
[0007] The installation assembly includes a connecting rod and a mounting plate. The connecting rod is fixedly installed on the movable column; the mounting plate is fixedly installed on the connecting rod and is fixedly connected to the crossbar.
[0008] The blocking assembly includes a blocking ring and a rotating member. The blocking ring is threadedly engaged with the transverse bar. The rotating member is disposed on the blocking ring.
[0009] The rotating component includes a rotating sleeve and a rotating rod, wherein the rotating sleeve is fixedly installed on the blocking ring, and the rotating rod is fixedly installed on the rotating sleeve.
[0010] The limiting device includes a first limiting sleeve and a second limiting sleeve, both of which are threadedly connected to the movable column. The first limiting sleeve and the second limiting sleeve are located on both sides of the movable disc, respectively.
[0011] This utility model discloses a vacuum heat treatment fixture. When a cylindrical workpiece to be heat-treated needs to be placed, the device body is hung in a certain position using the hook on the movable column. Then, the blocking ring is unscrewed along the horizontal bar. The workpiece is then placed in the nearest vertical bar and horizontal bar. The base is then rotated relative to the movable column, causing the vertical and horizontal bars to rotate sequentially in front of the worker. The worker then places the workpiece sequentially in the vertical and horizontal bars. After placement, the device is rotated... The first and second limiting sleeves are moved so that they move downwards through the threaded connection with the movable column. At this time, the movable plate moves downwards along the movable column, so that the movable plate abuts against the top of the vertical rail, and the blocking ring is screwed into the horizontal rail again, so that the blocking ring limits the workpiece inside the horizontal rail. Thus, through the annular arrangement of the vertical and horizontal rails, the workpiece can be placed on the outer periphery and inner side of the chassis, so that the space on the chassis is fully utilized. Attached Figure Description
[0012] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.
[0013] Figure 1 This is a schematic diagram of the overall structure of a vacuum heat treatment fixture according to this utility model.
[0014] Figure 2 This is a schematic diagram of the limiting device of this utility model.
[0015] In the diagram: 101-chassis, 102-movable column, 103-movable plate, 104-hook, 105-fixing ring, 106-fixing plate, 107-vertical rail, 108-horizontal rail, 109-connecting rod, 110-mounting plate, 111-blocking ring, 112-rotating sleeve, 113-rotating rod, 114-first limiting sleeve, 115-second limiting sleeve. Detailed Implementation
[0016] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.
[0017] The embodiment of this application is as follows:
[0018] Please see Figure 1-2 , Figure 1 This is a schematic diagram of the overall structure of a vacuum heat treatment fixture according to this utility model. Figure 2 This is a schematic diagram of the limiting device of this utility model.
[0019] This utility model provides a vacuum heat treatment fixture, including a base 101, a movable column 102, a movable plate 103, and a limiting device, as well as a placement device. The placement device includes a fixing ring 105, a fixing plate 106, a vertical surrounding rod 107, a horizontal surrounding rod 108, an installation component, and a blocking component. The installation component includes a connecting rod 109 and an installation plate 110. The blocking component includes a blocking ring 111 and a rotating component. The rotating component includes a rotating sleeve 112 and a rotating rod 113. The limiting device includes a first limiting sleeve 114 and a second limiting sleeve 115. The aforementioned solution solves the problem in the aforementioned device where, after the cylindrical aluminum alloy is placed, it is mainly concentrated on the outer side of the rotating plate, while the inner side is idle, resulting in low space utilization.
[0020] In this embodiment, the annular arrangement of the vertical surround rod 107 and the horizontal surround rod 108 allows the workpiece to be placed on the outer periphery and inner side of the chassis 101, thus making full use of the space on the chassis 101.
[0021] The fixing ring 105 is fixedly installed on the chassis 101, the fixing plate 106 is fixedly installed on the fixing ring 105, the vertical support rod 107 is fixedly installed on the fixing plate 106, the horizontal support rod 108 is installed on the movable column 102 via the mounting assembly, the blocking assembly is installed on the horizontal support rod 108, the fixing ring 105 is welded to the upper surface of the chassis 101, and there are six sets of fixing plates 106 arranged in a ring on the fixing ring 105. Each set of fixing plates 106... The chassis 101 is equipped with six sets of vertical retaining bars 107. In use, the workpiece to be heat-treated is placed sequentially into the vertical retaining bars 107 and the horizontal retaining bars 108. The downward movement of the movable plate 103 blocks the upper part of the vertical retaining bars 107, and the blocking assembly blocks the outer side of the horizontal retaining bars 108 to prevent the workpiece from falling off. Thus, the annular arrangement of the vertical retaining bars 107 and the horizontal retaining bars 108 allows the workpiece to be placed on the outer periphery and inner side of the chassis 101, making full use of the space on the chassis 101.
[0022] Secondly, the connecting rod 109 is fixedly installed on the movable column 102; the mounting plate 110 is fixedly installed on the connecting rod 109 and fixedly connected to the horizontal bar 108. The connecting rod 109 is arranged in a ring around the outer periphery of the movable column 102, and the mounting plate 110 is welded to the connecting rod 109. There are three sets of both the connecting rod 109 and the mounting plate 110. Each set of the mounting plate 110 is provided with six sets of the horizontal bars 108. The connection rod 109 and the mounting plate 110 facilitate the installation of the horizontal bars 108.
[0023] Furthermore, the blocking ring 111 is threadedly engaged with the transverse rail 108; the rotating component is disposed on the blocking ring 111, and the blocking ring 111 is threadedly engaged with any set of transverse rails 108 on the mounting plate 110. The inner side of the blocking ring 111 is provided with threads. The rotating component facilitates the rotation of the blocking ring 111. By rotating and screwing the blocking ring 111 into the transverse rail 108, the workpiece within the transverse rail 108 can be limited.
[0024] Furthermore, the rotating sleeve 112 is fixedly installed on the blocking ring 111; the rotating rod 113 is fixedly installed on the rotating sleeve 112. The rotating sleeve 112 is welded to the blocking ring 111, and the rotating rod 113 is welded to the rotating sleeve 112. The rotating rod 113 drives the rotating sleeve 112 to rotate, thereby causing the rotating sleeve 112 to drive the blocking ring 111 to rotate.
[0025] Finally, both the first limiting sleeve 114 and the second limiting sleeve 115 are threadedly connected to the movable column 102. At the same time, the first limiting sleeve 114 and the second limiting sleeve 115 are respectively located on both sides of the movable disk 103, and the first limiting sleeve 114 and the second limiting sleeve 115 are respectively located on the upper and lower sides of the movable disk 103. By rotating the first limiting sleeve 114 and the second limiting sleeve 115 respectively, the first limiting sleeve 114 and the second limiting sleeve 115 can be clamped on the upper and lower sides of the movable disk 103, thereby limiting the movable disk 103.
[0026] In this embodiment, when a cylindrical workpiece to be heat-treated needs to be placed, the device body is hung at a certain position using the hook 104 on the movable column 102. Then, the blocking ring 111 is unscrewed along the horizontal bar 108. The workpiece is then placed within the nearest vertical bar 107 and horizontal bar 108. The base 101 is then rotated relative to the movable column 102, causing the vertical bar 107 and horizontal bar 108 to rotate sequentially in front of the worker. The worker then places the workpiece sequentially within the vertical bar 107 and horizontal bar 108. After placement, the first limiting sleeve 114 is rotated. The first limiting sleeve 114 and the second limiting sleeve 115 are connected to the movable column 102 by threads and move downwards. At this time, the movable disk 103 moves downwards along the movable column 102, so that the movable disk 103 abuts against the top of the vertical rail 107, and the blocking ring 111 is screwed into the horizontal rail 108 again, so that the blocking ring 111 limits the workpiece in the horizontal rail 108. Thus, through the annular arrangement of the vertical rail 107 and the horizontal rail 108, the workpiece can be placed on the outer periphery and inner side of the chassis 101, so that the space on the chassis 101 is fully utilized.
[0027] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.
Claims
1. A vacuum heat treatment fixture, comprising a base, a movable column, a movable plate, and a limiting device, wherein the movable column is rotatably mounted on the base, the movable column is provided with a hook, and the movable plate is slidably mounted on the movable column via the limiting device, characterized in that, It also includes a placement device; The placement device includes a fixing ring, a fixing plate, a vertical surrounding rod, a horizontal surrounding rod, a mounting assembly, and a blocking assembly. The fixing ring is fixedly installed on the chassis, the fixing plate is fixedly installed on the fixing ring, the vertical surrounding rod is fixedly installed on the fixing plate, the horizontal surrounding rod is installed on the movable column through the mounting assembly, and the blocking assembly is installed on the horizontal surrounding rod.
2. The vacuum heat treatment fixture as described in claim 1, characterized in that, The installation assembly includes a connecting rod and a mounting plate. The connecting rod is fixedly installed on the movable column; the mounting plate is fixedly installed on the connecting rod and is fixedly connected to the crossbar.
3. The vacuum heat treatment fixture as described in claim 1, characterized in that, The blocking assembly includes a blocking ring and a rotating member. The blocking ring is threadedly engaged with the transverse bar. The rotating member is disposed on the blocking ring.
4. The vacuum heat treatment fixture as described in claim 3, characterized in that, The rotating component includes a rotating sleeve and a rotating rod, with the rotating sleeve fixedly mounted on the blocking ring and the rotating rod fixedly mounted on the rotating sleeve.
5. The vacuum heat treatment fixture as described in claim 1, characterized in that, The limiting device includes a first limiting sleeve and a second limiting sleeve, both of which are threadedly connected to the movable column. The first limiting sleeve and the second limiting sleeve are located on both sides of the movable disc, respectively.