Clamping structure for workpiece in furnace

Abstract

The utility model discloses an in-furnace workpiece clamping structure, which comprises a tempering furnace main body, a sealing cover, a clamping unit and a supporting unit, a metal piece is put into the tempering furnace main body through a feeding hole, the tempering furnace main body is controlled by a control host, other electric elements are controlled at the same time, the feeding hole is sealed by the sealing cover, and the clamping unit and the supporting unit are arranged on the tempering furnace main body. Heat loss during heat treatment is prevented, meanwhile, the clamping unit and the supporting unit can be driven to be exposed out of the tempering furnace body, the opening and closing direction of the sealing cover can be stabilized through a limiting sleeve and a limiting sliding rod, a metal piece is clamped through the limiting sleeve and the clamping unit, and the supporting unit assists the clamping unit in clamping the metal piece; the sealing cover is driven to be opened and closed through the cylinder.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping structures, in particular to a workpiece clamping structure in a furnace. Background Art

[0002] The tempering furnace is used for tempering of general metal parts in air, as well as quenching, annealing and aging heat treatment of light alloy parts such as aluminum alloy die castings, pistons, aluminum plates, etc.

[0003] In the current box-type tempering furnace, there is no clamping structure. When a metal part is placed inside the box-type tempering furnace, its placement surface will contact the lower surface of the inner wall of the box-type tempering furnace, which will cause the lower surface of the metal part to be blocked, resulting in uneven heat treatment. Therefore, a workpiece clamping structure in the furnace is needed to solve the above problem. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model discloses a workpiece clamping structure in a furnace, and the technical solution adopted is that it includes a tempering furnace main body, a closing cover, a clamping unit and a supporting unit, a feed port is opened at the center of the front side surface of the tempering furnace main body, a control host is arranged on the left side surface of the tempering furnace main body, and the control host is electrically connected to the tempering furnace main body, and is characterized in that a limiting sleeve is arranged on the lower surface of the tempering furnace main body, a limiting sliding rod is arranged inside the limiting sleeve for sliding, the lower end of the closing cover is fixedly installed on the front end of the limiting sliding rod, and the closing cover can completely open the feed port The invention relates to a method for preparing a heat treatment furnace having a plurality of heat treatment units and a plurality of heat treatment units, wherein the heat treatment unit comprises a plurality of heat treatment units, and the heat treatment unit comprises a plurality of heat treatment units. The heat treatment unit comprises a plurality of heat treatment units, and the heat treatment unit comprises a plurality of heat treatment units. The heat treatment unit comprises a plurality of heat treatment units, and the heat treatment unit comprises a plurality of heat treatment units. The heat treatment unit comprises a plurality of heat treatment units, and the heat treatment unit comprises a plurality of heat treatment units. The heat treatment unit comprises a plurality of heat treatment units, and the heat treatment unit comprises a plurality of heat treatment units. The heat treatment unit comprises a plurality of heat treatment units, and the heat treatment unit comprises a plurality of heat treatment units. The heat treatment unit comprises a plurality of heat treatment units, and the heat treatment unit comprises a plurality of heat treatment units.

[0005] As an optimal technical solution for the workpiece clamping structure in the furnace of the utility model, a cylinder is arranged at the lower part of the tempering furnace body through a bracket, the cylinder is electrically connected to the control host, the telescopic shaft of the cylinder is connected to the closing cover, and the closing cover is driven to open and close by the cylinder.

[0006] As an optimal technical solution for the workpiece clamping structure in the furnace of the utility model, the clamping unit includes a right frame plate, a left frame plate, a clamping column, a threaded hole and a clamping bolt. The rear ends of the right frame plate and the left frame plate are respectively fixedly installed at the centers of the left and right ends of the rear side surface of the closing cover. The clamping column is evenly fixedly installed on the inner side surface of the right frame plate from front to back. The threaded holes are evenly opened on the left frame plate from front to back. The clamping bolts are arranged in the threaded holes. The left and right sides of the metal part are clamped by the clamping column and the clamping bolts, so that the metal part is lifted.

[0007] As an optimal technical solution for the workpiece clamping structure in the furnace of the utility model, the supporting unit includes a sliding rod, a lead screw and a supporting plate. There are four sliding rods, and the four sliding rods are respectively fixedly mounted at the front and rear ends of the lower surfaces of the right frame plate and the left frame plate. The lead screw is rotatably mounted at the center of the right frame plate, and an inner hexagonal groove is provided at the upper end of the lead screw. The four corners of the supporting plate are slidably sleeved on the sliding rod, and the right center of the supporting plate is threadedly mounted on the lead screw. The supporting plate is driven to rise and fall by the sliding rod and the lead screw, and the metal parts are carried by the supporting plate, thereby assisting the clamping unit to clamp them.

[0008] As a preferred technical solution of the in-furnace workpiece clamping structure of the utility model, the number and position of the threaded holes and the clamping columns correspond to each other, and the metal parts can be clamped symmetrically and stably through the corresponding threaded holes and clamping columns.

[0009] As a preferred technical solution for the in-furnace workpiece clamping structure of the utility model, the clamping unit and the supporting unit are both made of refractory materials.

[0010] The beneficial effects of the utility model are as follows: the utility model puts metal parts into the tempering furnace main body through the feed inlet, controls the tempering furnace main body through the control host, and controls other electrical components at the same time, closes the feed inlet through the closing cover to prevent heat loss during heat treatment, and can drive the clamping unit and the supporting unit to be exposed in the tempering furnace main body, and can stabilize the opening and closing direction of the closing cover through the limiting sleeve and the limiting slide rod, clamps the metal part through the limiting sleeve and, assists the clamping unit in clamping the metal part through the supporting unit, drives the closing cover to open and close through the cylinder, clamps the left and right sides of the metal part through the clamping column and the clamping bolt, thereby lifting the metal part, drives the carrying plate to rise and fall through the slide rod and the lead screw, carries the metal part through the carrying plate, thereby assisting the clamping unit in clamping it, and can symmetrically and stably clamp the metal part through the corresponding threaded holes and the clamping columns. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2This is a schematic diagram of the main structure of the tempering furnace of the utility model;

[0013] Figure 3 This is a schematic diagram of the structure of the clamping unit of the utility model.

[0014] In the figure: 1-tempering furnace body, 101-feeding port, 102-control host, 2-closing cover, 3-clamping unit, 31-right frame plate, 32-left frame plate, 33-clamping column, 34-threaded hole, 35-clamping bolt, 4-support unit, 41-slide rod, 42-screw, 43-bearing plate, 5-limiting sleeve, 501-limiting slide rod, 6-cylinder. DETAILED DESCRIPTION

[0015] Example 1

[0016] like Figures 1 to 3As shown, the utility model discloses a workpiece clamping structure in a furnace, and the technical scheme adopted is that it includes a tempering furnace body 1, a closing cover 2, a clamping unit 3 and a supporting unit 4. A feed port 101 is provided at the center of the front side of the tempering furnace body 1, and a control host 102 is provided on the left side of the tempering furnace body 1. The control host 102 is electrically connected to the tempering furnace body 1, and is characterized in that a limiting sleeve 5 is provided on the lower surface of the tempering furnace body 1, and a limiting slide bar 501 is provided inside the limiting sleeve 5 for sliding. The lower end of the closing cover 2 is fixedly installed on the front end of the limiting slide bar 501, and the closing cover 2 can completely close the feed port 101. A cylinder 6 is provided at the lower part of the tempering furnace body 1 through a bracket, and the cylinder 6 is connected to the control host 102. The main engine 102 is electrically connected, the telescopic shaft of the cylinder 6 is connected to the closing cover 2, and the closing cover 2 is driven to open and close by the cylinder 6; the clamping unit 3 is arranged in the tempering furnace body 1 and is connected to the closing cover 2; the supporting unit 4 is arranged on the clamping unit 3, and the clamping unit 3 includes a right frame plate 31, a left frame plate 32, a clamping column 33, a threaded hole 34 and a clamping bolt 35. The rear ends of the right frame plate 31 and the left frame plate 32 are respectively fixedly installed at the center of the left and right ends of the rear side surface of the closing cover 2, the clamping column 33 is evenly fixedly installed on the inner side surface of the right frame plate 31 from front to back, the threaded holes 34 are evenly opened on the left frame plate 32 from front to back, the clamping bolt 35 is arranged in the threaded hole 34, and the clamping column 33 and the clamping bolt 35 are clamped. The left and right sides of the metal part are held to lift the metal part. The number and position of the threaded holes 34 and the clamping columns 33 correspond to each other. The metal part can be symmetrically and stably clamped through the corresponding threaded holes 34 and the clamping columns 33. The support unit 4 includes a slide bar 41, a lead screw 42 and a bearing plate 43. There are four slide bars 41, which are respectively fixedly mounted on the front and rear ends of the lower surfaces of the right frame plate 31 and the left frame plate 32. The lead screw 42 is rotatably mounted at the center of the right frame plate 31, and an inner hexagonal groove is provided at the upper end of the lead screw 42. The four corners of the bearing plate 43 are slidably sleeved on the slide bars 41, and the right center of the bearing plate 43 is threadedly mounted on the lead screw 42. The bearing plate 43 is driven by the slide bars 41 and the lead screw 42. The metal piece is lifted and lowered, and the metal piece is carried by the carrying plate 43, so as to assist the clamping unit 3 to clamp it. The clamping unit 3 and the supporting unit 4 are both made of refractory materials. The metal piece is put into the tempering furnace body 1 through the feed port 101, and the tempering furnace body 1 is controlled by the control host 102, and other electrical components are controlled at the same time. The feed port 101 is closed by the closing cover 2 to prevent the loss of heat during heat treatment, and at the same time, the clamping unit 3 and the supporting unit 4 can be driven to be exposed in the tempering furnace body 1. The opening and closing direction of the closing cover 2 can be stabilized by the limiting sleeve 5 and the limiting slide bar 501. The metal piece is clamped by the limiting sleeve 5 and the clamping unit 3, and the clamping unit 3 is assisted by the supporting unit 4 to clamp the metal piece.

[0017] The working principle of the utility model is as follows: the cylinder 6 is started by controlling the host 102, the closing cover 2 opens the feed port 101, the clamping unit 3 and the supporting unit 4 leave the tempering furnace body 1, the metal piece is placed on the carrying plate 43, the hexagonal wrench is connected to the inner hexagonal groove at the upper end of the lead screw 42, the lead screw 42 is turned, the carrying plate 43 moves up and down along the slide rod 41, so that the metal piece reaches a suitable height, the clamping screw 35 of corresponding length is selected according to the need, and it is screwed into the threaded hole 34, the clamping screw 35 and the clamping column 33 clamp the metal piece, the lead screw 42 is turned, the carrying plate 43 is lowered and leaves the lower surface of the metal piece, the cylinder 6 is started, the closing cover 2 closes the feed port 101, the metal piece enters the tempering furnace body 1, and then the tempering furnace body 1 is started by controlling the host 102 to perform heat treatment on the metal piece.

[0018] The circuit connection involved in the utility model is a common means used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, and it belongs to the widely used existing technology.

[0019] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0021] Components not described in detail herein are prior art.

[0022] Although the specific embodiments of the present invention are described in detail above, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the field without departing from the purpose of the present invention, and modifications or deformations without creative labor are still within the scope of protection of the present invention.

Claims

1. A workpiece clamping structure in a furnace, comprising a tempering furnace body (1), a closing cover (2), a clamping unit (3) and a supporting unit (4), wherein a feed port (101) is provided at the center of the front side of the tempering furnace body (1), a control host (102) is provided on the left side of the tempering furnace body (1), and the control host (102) is electrically connected to the tempering furnace body (1), characterized in that: A limiting sleeve (5) is arranged on the lower surface of the tempering furnace body (1), a limiting slide bar (501) is slidably arranged inside the limiting sleeve (5), the lower end of the closing cover (2) is fixedly mounted on the front end of the limiting slide bar (501), and the closing cover (2) can completely close the feed port (101); the clamping unit (3) is arranged in the tempering furnace body (1) and is connected to the closing cover (2); the supporting unit (4) is arranged on the clamping unit (3).

2. The workpiece clamping structure in a furnace according to claim 1, characterized in that: A cylinder (6) is arranged at the lower part of the tempering furnace body (1) via a bracket, the cylinder (6) is electrically connected to a control host (102), and a telescopic shaft of the cylinder (6) is connected to a closing cover (2).

3. The workpiece clamping structure in a furnace according to claim 1, characterized in that: The clamping unit (3) comprises a right frame plate (31), a left frame plate (32), a clamping column (33), a threaded hole (34) and a clamping bolt (35); the rear ends of the right frame plate (31) and the left frame plate (32) are respectively fixedly mounted at the centers of the left and right ends of the rear side surface of the closing cover (2); the clamping column (33) is evenly fixedly mounted on the inner side surface of the right frame plate (31) from front to back; the threaded hole (34) is evenly arranged on the left frame plate (32) from front to back; and the clamping bolt (35) is arranged in the threaded hole (34).

4. The workpiece clamping structure in a furnace according to claim 3, characterized in that: The support unit (4) comprises a slide bar (41), a lead screw (42) and a bearing plate (43). There are four slide bars (41), which are respectively fixedly mounted on the front and rear ends of the lower surfaces of the right frame plate (31) and the left frame plate (32). The lead screw (42) is rotatably mounted at the center of the right frame plate (31), and an inner hexagonal groove is provided at the upper end of the lead screw (42). The four corners of the bearing plate (43) are slidably sleeved on the slide bars (41), and the right center of the bearing plate (43) is threadedly mounted on the lead screw (42).

5. The workpiece clamping structure in a furnace according to claim 3, characterized in that: The threaded holes (34) and the clamping columns (33) correspond in number and position.

6. The workpiece clamping structure in a furnace according to claim 3, characterized in that: The clamping unit (3) and the supporting unit (4) are both made of refractory materials.

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