Multi-layer workpiece placing frame for trolley furnace

Abstract

The utility model discloses a multilayer workpiece placing rack for a trolley furnace, which comprises four groups of support frame rods erected on the trolley furnace, a bearing plate is arranged among the four groups of support frame rods, and a plurality of groups of rack plates for placing workpieces are arranged among the four groups of support frame rods and positioned above the bearing plate; wherein the support frame rod is connected with the frame plate through a connecting piece. The vertical space in the trolley furnace is fully utilized through the multi-layer frame plate structure, compared with a traditional single plane placing mode, more workpieces can be placed in the same space, production efficiency is improved, unit workpiece production cost is reduced, and the large-scale production requirement is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of multilayer workpiece placing racks for trolley furnace. BACKGROUND

[0002] In the industrial production process, trolley furnace as a common heat treatment equipment, is widely used in heating, annealing, quenching and other heat treatment processes to workpiece.

[0003] In the traditional trolley furnace operation, the placing mode of workpiece is often single and has many drawbacks. Usually, workpiece is directly placed on the single plane bearing plate of trolley furnace, and this placing mode not only greatly limits the utilization rate of trolley furnace space, but also cannot meet the demand of simultaneous heat treatment of multilayer workpiece.

[0004] In addition, the single plane placing mode is very inconvenient in subsequent workpiece maintenance, replacement and scrap cleaning operation links, and reduces the efficiency of the whole production process.

[0005] Therefore, a kind of multilayer workpiece placing racks for trolley furnace is proposed. SUMMARY

[0006] The utility model aims at providing a kind of multilayer workpiece placing racks for trolley furnace, to solve the problem that traditional trolley furnace cannot meet the demand of simultaneous heat treatment of multilayer workpiece in the above background technology.

[0007] To solve the above technical problems, the utility model provides the following technical scheme: a kind of multilayer workpiece placing racks for trolley furnace, including four groups of support frame rods erected on trolley furnace, the four groups of support frame rods are provided with bearing plate,

[0008] Four groups of the support frame rods are provided with a plurality of frame plates for workpiece placing between the bearing plate and above the bearing plate.

[0009] Among them, the support frame rod is connected with frame plate by connecting piece.

[0010] Preferably, the connecting piece includes fixed bolt plate, and the upper and lower sides of the fixed bolt plate are provided with positioning bolt plate.

[0011] The front end of the fixed bolt plate is provided with positioning bolt rod, and the upper portion of the positioning bolt rod is provided with clamping groove.

[0012] The side of the fixed bolt plate away from the positioning bolt rod is provided with twisted torsion plate.

[0013] Preferably, a plurality of insertion grooves for connecting piece insertion are formed on one side of the support frame rod, and a rotating groove for deflecting the positioning bolt plate is formed on the upper and lower sides of the insertion groove.

[0014] Preferably, a channel for positioning the plug rod is arranged in the middle of the slot, and the channel penetrates the support frame rod.

[0015] Preferably, the frame plate comprises two groups of connecting tubes, a plurality of cross rods are arranged between the two groups of connecting tubes, and the length of the plurality of cross rods is greater than the distance between the two groups of connecting tubes, so that the plurality of cross rods are lapped on the two groups of connecting tubes.

[0016] Preferably, a plurality of clamping grooves are arranged above the two groups of connecting tubes, and the clamping grooves and the cross rods are matched with each other; a plurality of concave grooves for placing workpieces are arranged on the upper part of the cross rods.

[0017] Preferably, the two ends of the connecting tube are provided with a positioning clamping plate, and the positioning clamping plate and the slot are matched with each other.

[0018] Preferably, a collecting groove plate for collecting workpiece scraps is arranged above the bearing plate, and the length of the collecting groove plate is less than the distance between the two groups of support frame rods, so that the collecting groove plate is removed through the distance between the two groups of support frame rods.

[0019] Compared with the prior art, the utility model has the beneficial effects that:

[0020] The multi-layer frame plate structure is arranged, the vertical space inside the trolley furnace is fully utilized, compared with the traditional single plane placing mode, more workpieces can be placed in the same space, the production efficiency is improved, the production cost of unit workpiece is reduced, and the large-scale production demand is met.

[0021] The ingenious design of the connecting piece makes the frame plate and the support frame rod connect stably and be convenient to disassemble. When maintaining, replacing or adjusting the workpiece, it is not necessary to disassemble on a large scale, and the frame plate can be taken down or installed only by loosening the corresponding connecting piece through simple operation, the maintenance convenience and efficiency are improved, the equipment downtime is reduced, and the production continuity is ensured.

[0022] The collecting groove plate above the bearing plate specially collects the scraps generated in the workpiece heat treatment process, the length of the collecting groove plate is less than the distance between the two groups of support frame rods, the collecting groove plate can be conveniently removed after being full, complex cleaning tools or tedious processes are not needed, the scrap cleaning is quickly completed, the inside of the trolley furnace is kept clean, a good environment is provided for the next round of heat treatment, the unified recycling and treatment of the scraps are facilitated, the environmental protection and resource recycling requirements are met. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole structure schematic view of the utility model embodiment;

[0024] Figure 2 It is a support frame rod structure schematic view of the utility model embodiment;

[0025] Figure 3The structure of the connection barrel of the embodiment of the utility model is shown in the enlarged view of the A part of the embodiment of the utility model.

[0026] Figure 4 The structure of the connection barrel of the embodiment of the utility model is shown in the enlarged view of the A part of the embodiment of the utility model.

[0027] Figure 5 The structure of the connection barrel of the embodiment of the utility model is shown in the enlarged view of the A part of the embodiment of the utility model.

[0028] Figure 6 The structure of the connection barrel of the embodiment of the utility model is shown in the enlarged view of the A part of the embodiment of the utility model.

[0029] In the drawing: 1, support frame rod; 101, insertion slot; 102, rotating slot; 103, channel; 2, bearing plate; 3, frame plate; 301, connection barrel; 302, cross rod; 303, clamping groove; 304, concave groove; 305, positioning clamping plate; 4, connecting piece; 401, fixed bolt plate; 402, positioning bolt plate; 403, positioning bolt rod; 404, clamping groove; 405, torsion plate; 5, collection groove plate. DETAILED DESCRIPTION

[0030] In order to conveniently solve the problem that the traditional trolley furnace cannot meet the requirement of simultaneously heat treating multiple layers of workpieces, the utility model provides a multiple layer workpiece placing rack for trolley furnace. The technical scheme in the utility model embodiment will be described clearly and completely below in combination with the drawings in the utility model embodiment. Obviously, the described embodiment is only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Please refer to Figures 1-6 The utility model provides a multiple layer workpiece placing rack for trolley furnace, including four groups of support frame rods 1 which are erected on the trolley furnace, four groups of support frame rods 1 are provided with bearing plates 2,

[0032] A plurality of frame plates 3 for workpiece placing are arranged between the four groups of support frame rods 1 and above the bearing plates 2; the frame plate 3 includes two groups of connection barrels 301, a plurality of cross rods 302 are arranged between the two groups of connection barrels 301, and the length of the plurality of cross rods 302 is greater than the spacing between the two groups of connection barrels 301, so that the plurality of cross rods 302 are lapped on the two groups of connection barrels 301. A plurality of clamping grooves 303 are arranged above the two groups of connection barrels 301, and the clamping grooves 303 and the cross rods 302 are matched with each other; a plurality of concave grooves 304 for workpiece placing are arranged on the upper part of the cross rod 302. The two ends of the connection barrel 301 are provided with positioning clamping plates 305, and the positioning clamping plates 305 and the insertion slots 101 are matched with each other.

[0033] The support frame rod 1 is connected with the frame plate 3 through the connecting piece 4.

[0034] A plurality of groups of insertion grooves 101 for inserting the connecting piece 4 are formed on one side of the support frame rod 1, and a rotation groove 102 for deflecting the positioning bolt plate 402 is formed on the upper and lower sides of the insertion groove 101.

[0035] A channel 103 for inserting the positioning bolt rod 403 is formed in the middle of the insertion groove 101, and the channel 103 penetrates the support frame rod 1.

[0036] The upper side of the bearing plate 2 is provided with a collection groove plate 5 for collecting workpiece scraps, and the length of the collection groove plate 5 is less than the distance between the two groups of support frame rods 1, so that the collection groove plate 5 is moved out through the distance between the two groups of support frame rods 1.

[0037] The working principle of the multi-layer workpiece placing frame for the trolley furnace is as follows: during installation, the connecting cylinder 301 is placed between the two groups of support frame rods 1 in the transverse direction, then the positioning bolt rod 403 of the fixed bolt plate 401 is inserted into the support frame rod 1 through the channel 103, the positioning bolt rod 403 is inserted into the connecting cylinder 301 through the support frame rod 1, at this time, the positioning bolt plate 402 is located in the rotation groove 102, the positioning bolt plate 402 is rotated by 90° in the rotation groove 102 by rotating the positioning bolt plate 402 through the torsion plate 405, the clamping groove 404 of the positioning bolt rod 403 is rotated to below the positioning clamping plate 305 of the connecting cylinder 301, the positioning clamping plate 305 is clamped in the clamping groove 404, and the fixing of the connecting cylinder 301 is realized.

[0038] The horizontal rods 302 on both sides are clamped on the connecting cylinder 301 through the clamping grooves 303, the hypothetical horizontal rods 302 are sequentially completed, the distance between the two groups of horizontal rods 302 is adjusted through the clamping grooves 303, so that the placement requirements of different workpieces are met, and it is ensured that the workpieces will not fall off.

[0039] The concave grooves 304 located above the horizontal rods 302 can prevent the cylindrical workpieces from rolling during the heat treatment work.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-layer workpiece placement rack for a bogie hearth furnace, characterized in that: It includes four sets of support rods (1) mounted on the bogie furnace, and a bearing plate (2) is provided between the four sets of support rods (1). Multiple sets of workpiece placement racks (3) are provided between the four sets of support rods (1) and above the bearing plate (2). The support frame rod (1) is connected to the frame plate (3) through the connector (4).

2. The multi-layer workpiece placement rack for a bogie hearth according to claim 1, characterized in that: The connector (4) includes a fixing plate (401), and positioning plates (402) are provided on the upper and lower sides of the fixing plate (401). The front end of the fixing plate (401) is provided with a positioning bolt (403), and the upper part of the positioning bolt (403) is provided with a slot (404). The fixing bolt plate (401) is provided with a torsion plate (405) on the side away from the positioning bolt (403).

3. A multi-layer workpiece placement rack for a bogie hearth according to claim 2, characterized in that: The support rod (1) has multiple sets of slots (101) for inserting the connector (4) on one side, and rotating grooves (102) for deflecting the positioning bolt plate (402) are provided on the upper and lower sides of the slot (101).

4. A multi-layer workpiece placement rack for a bogie hearth according to claim 3, characterized in that: A channel (103) for inserting a positioning bolt (403) is provided in the middle of the slot (101), and the channel (103) passes through the support rod (1).

5. A multi-layer workpiece placement rack for a bogie hearth according to claim 4, characterized in that: The frame (3) includes two sets of connecting cylinders (301), and multiple sets of crossbars (302) are arranged between the two sets of connecting cylinders (301). The length of the multiple sets of crossbars (302) is greater than the distance between the two sets of connecting cylinders (301), so that the multiple sets of crossbars (302) overlap the two sets of connecting cylinders (301).

6. A multi-layer workpiece placement rack for a bogie hearth according to claim 5, characterized in that: Multiple sets of engaging grooves (303) are provided above the two sets of connecting cylinders (301), and the engaging grooves (303) cooperate with each other with the crossbar (302); multiple sets of concave grooves (304) for placing workpieces are provided on the upper part of the crossbar (302).

7. A multi-layer workpiece placement rack for a bogie hearth according to claim 6, characterized in that: The connecting cylinder (301) is provided with positioning plates (305) at both ends, and the positioning plates (305) cooperate with the slots (101).

8. A multi-layer workpiece placement rack for a bogie hearth according to claim 7, characterized in that: Above the bearing plate (2) is a collection trough plate (5) for collecting workpiece waste, and the length of the collection trough plate (5) is less than the distance between the two sets of support rods (1) so that the collection trough plate (5) can be moved out through the distance between the two sets of support rods (1).

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