Tool for bell-type furnace annealing

Abstract

The utility model provides a tool for bell-type furnace annealing, which belongs to the field of annealing treatment and comprises a placing frame and a spacing frame erected in the placing frame, a liftable supporting part assembly is arranged on the placing frame and is used for forming a supporting point for placing the spacing frame and adjusting the height of the spacing frame, and the placing frame comprises an air guide pipe capable of penetrating through the spacing frame; and air guide channels communicated with the air guide pipes are arranged on the placing rack and the spacing rack. The multi-layer stacking device has the advantages that multi-layer stacking of workpieces can be completed, the layer height can be adjusted according to the sizes of the workpieces, the applicability of the multi-layer stacking device is improved, circulation of gas in the tool is guaranteed, all the workpieces are fully annealed, and the quality of finished products is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to annealing treatment field, especially a kind of tool for bell-type furnace annealing. BACKGROUND

[0002] In the bell-type furnace annealing process, the workpiece to be processed needs to be concentrated in the tool for processing, but the existing tool has poor applicability, and its shortcomings are:

[0003] 1. Single-layer structure is usually used, even if the size of the workpiece is small, only one layer can be placed, if more workpieces are stacked together to stack more workpieces, the gas cannot circulate normally during annealing, the stacking part cannot be fully annealed, and the quality of the finished product cannot be guaranteed, and the stacked workpieces are also prone to deformation.

[0004] 2. The conventional tool is mostly barrel-shaped structure, and the bottom ventilation performance is poor, which cannot guarantee the flowability of the gas, only provides space for the stacking of workpieces, and facilitates the handling of employees, but the annealing effect is poor. INVENTION CONTENTS

[0005] The utility model aims at overcoming the shortcomings of the prior art, providing a tool for bell-type furnace annealing, which can complete the multi-layer stacking of workpieces, and can adjust the layer height according to the size of the workpiece, improve its applicability, and ensure the flow of gas in the tool, so that each workpiece is fully annealed to ensure the quality of the finished product.

[0006] To solve the above technical problems, the utility model adopts the technical scheme of: a tool for bell-type furnace annealing, comprising a placing rack and a spacing rack arranged in the placing rack;

[0007] A liftable support assembly is arranged on the placing rack to form a support point for the spacing rack, and the height of the spacing rack is adjusted, the placing rack comprises a wind guide pipe that can penetrate the spacing rack, and a wind guide channel is arranged on the placing rack and the spacing rack and communicates with the wind guide pipe.

[0008] Further, the placing rack comprises a lower base frame, a column group and an upper support arranged in sequence, the column group is arranged around the edge of the lower base frame, and the wind guide pipe is located at the center of the lower base frame.

[0009] Further, the support assembly comprises a side support and a main support on the same support surface, a plurality of side supports are arranged around the column group, and the main support is sleeved on the wind guide pipe.

[0010] Further, the side support is sleeved on the mounting column in the column group, a plurality of mounting columns are equidistantly spaced, and a plurality of mounting holes are radially arranged on the mounting column and the wind guide pipe.

[0011] Further, an A air guide groove is arranged through the inner wall of the air guide pipe at the connection between the air guide pipe and the lower base.

[0012] Further, a B air guide groove is arranged through the inner wall of the central through groove on the spacer, and a plurality of groups of openings are arranged on the air guide pipe at a height matching the B air guide groove.

[0013] Further, a positioning column is arranged on the support table of the side support part, and a positioning hole matching the positioning column is arranged around the spacer, so that the initial position of the B air guide groove corresponds to the position of the opening.

[0014] Further, the hollow shape of the lower base and the hollow shape of the spacer are radially distributed.

[0015] Further, a connecting part is arranged for detachable connection of two superimposed placement racks.

[0016] Further, a jack is arranged on the upper support and the lower base, and the connecting part comprises a clamping block which can pass through the adjacent jacks, and the clamping block is rotatably arranged to be offset from the jacks.

[0017] The utility model has the advantages and positive effects that:

[0018] 1. Due to the above technical scheme, the traditional single-layer placement rack is divided into two layers by the liftable spacer, so that more workpieces can be accommodated, and the workpieces are prevented from being stacked on each other, so that appropriate spacing is maintained between the workpieces to complete annealing treatment.

[0019] 2. The gap between the stand column and the mounting stand column in the stand column group, the hollow lower base and the spacer enable the workpieces to be in full contact with the gas, and compared with the traditional barrel-shaped structure tooling, the circulation of the gas is ensured.

[0020] 3. The air guide pipe enables the gas to flow upward from the bottom of the air guide pipe 14, and then flow to the lower base and the spacer through the air guide channel, so that the workpieces located at the center of the placement rack and the spacer can also be in contact with the gas, and the workpieces located at each position of the placement rack can be fully annealed.

[0021] 4. The liftable support part assembly enables the height position of the spacer to be adjusted to adapt to workpieces of different sizes, and the plurality of groups of openings on the air guide pipe correspond to the spacers at different heights to meet the ventilation requirements of different heights, and the positioning column arranged on the table surface of the side support part can correspond to the positioning hole on the spacer, so that the B air guide groove on the spacer directly corresponds to the opening, and the position does not need to be adjusted again, and one-step positioning is completed.

[0022] 5、The setting of the connecting part can make the two placing racks avoid falling when being stacked, prevent the upper placing rack from causing harm to the carrier, and temporarily connect the two placing racks as a whole, facilitating subsequent carrying and stacking, fully utilizing the remaining space in the cover furnace, and simultaneously completing more workpiece annealing treatment. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a structural schematic diagram of the utility model;

[0024] Figure 2 is an explosion view of the utility model;

[0025] Figure 3 is a side sectional view of the utility model;

[0026] Figure 4 is a lower chassis sectional view of the utility model;

[0027] Figure 5 is a schematic diagram of two stacked placing racks of the utility model;

[0028] Figure 6 is a connecting part structural schematic diagram of the utility model.

[0029] In the drawing:

[0030] 1, placing rack; 11, lower chassis; 111, A air guide groove;

[0031] 12, mounting column; 121, side mounting hole;

[0032] 13, upper support; 14, air guide pipe; 141, opening; 142, main mounting hole; 15, jack;

[0033] 2, side support part; 21, positioning column;

[0034] 3, spacing rack; 31, positioning hole; 32, B air guide groove;

[0035] 4, main support part;

[0036] 5, connecting part; 51, driving part; 52, connecting shaft; 53, clamping block. DETAILED DESCRIPTION

[0037] The utility model will be further described below in combination with examples and drawings.

[0038] As shown in the drawing, the embodiment provides a cover furnace annealing tool, which comprises a placing rack 1 and a spacing rack 3 arranged in the placing rack 1. Figures 1 to 6

[0039] ​The support part assembly is arranged on the placing rack 1 in a liftable manner, and forms a support point for the interval rack 3. The height of the support part assembly is changed to adjust the height of the interval rack 3, so as to adapt to workpieces of different specifications.

[0040] The placing rack 1 comprises a lower chassis 11, a column group and an upper support 13 arranged in sequence from bottom to top. The column group is arranged around the edge of the lower chassis 11.

[0041] In order to make the workpiece fully contact with the gas, the lower chassis 11 and the interval rack 3 are both hollow. The hollow shapes of the lower chassis 11 and the interval rack 3 are both radially distributed. An internally-through air guide pipe 14 is arranged at the center of the lower chassis 11. An air guide channel is arranged on the lower chassis 11 and the interval rack 3 and communicates with the air guide pipe 14.

[0042] A center through slot matching the outer diameter of the air guide pipe 14 is arranged at the center of the interval rack 3, so that the interval rack 3 can be sleeved into the placing rack 1 from the air guide pipe 14. An A air guide slot 111 is arranged through the inner wall of the air guide pipe 14 at the connection between the air guide pipe 14 and the lower chassis 11.

[0043] A B air guide slot 32 is arranged through the inner wall of the center through slot of the interval rack 3. A plurality of groups of openings 141 matching the height of the B air guide slot 32 are arranged around the air guide pipe 14. The number of groups of the openings 141 matches the adjustable height of the interval rack 3.

[0044] The column group is composed of a plurality of columns and a plurality of mounting columns 12 arranged in a cross manner. The mounting columns 12 are arranged at equal intervals. The support part assembly comprises side support parts 2 and a main support part 4 with support surfaces located on the same plane. The main support part 4 is sleeved on the air guide pipe 14. The side support parts 2 are arranged around the column group. Specifically, the side support parts 2 are sleeved on the mounting columns 12. The bottom of the interval rack 3 is lifted by the support surfaces of the main support part 4 and the side support parts, so that the interval rack 3 is horizontally placed in the placing rack 1.

[0045] A plurality of side mounting holes 121 are arranged radially on the mounting column 12. The side support part 2 is threadedly connected with the corresponding side mounting hole 121 by a bolt, so as to fix the position of the side support part 2.

[0046] A plurality of main mounting holes 142 are arranged radially around the air guide pipe 13. The main support part 4 is threadedly connected with the corresponding main mounting hole 142 by a bolt, so as to fix the position of the main support part 4.

[0047] In order to correspond the B air guide groove 32 on the spacing frame 3 with the opening 141 on the air guide pipe 14, a positioning column 21 is protruded upward on the support table of the side support part 2, and a positioning hole 31 corresponding to each positioning column 21 is arranged around the spacing frame 3, so that the initial position of the B air guide groove 32 corresponds to the position of the opening 141.

[0048] In the embodiment, two mounting columns 12 are arranged to form a column group around the lower base frame 11. The main mounting hole 142 and the side mounting hole 121 are radially arranged with three holes to adapt to the high, medium and low three levels, and the opening 141 is also arranged with three groups corresponding to the different heights of the spacing frame 3, so that the spacing frame at different heights can be connected with the air guide pipe 14.

[0049] In order to batch annealing treatment of workpieces, two placing frames can be stacked, in order to make two placing frames into a whole for convenient carrying, and also to avoid the upper placing frame from falling, a connecting part 5 is further arranged for detachable connection of the two stacked placing frames.

[0050] The rectangular insertion hole 15 is arranged through the upper support 13 and the lower base frame 11, and the circular sink is sunk on the insertion hole of the lower base frame 11. The connecting part 5 includes a driving part 51, a connecting shaft 52 and a clamping block 53 arranged in sequence, wherein the shape of the driving part 51 matches the sink, the connecting shaft 52 can pass through the insertion hole 15, and the shape of the clamping block 53 matches the insertion hole 15. The clamping block 53 can pass through the stacked insertion holes, and the clamping block 53 is disengaged from the insertion hole 15 by rotating the driving part 51, so as to realize clamping. In order to rotate the driving part 51, a knob is protruded upward on the driving part 51.

[0051] The working process of the embodiment is as follows:

[0052] According to the specification of the workpiece, the position of the spacing frame 3 is adjusted, the side support part 2 is fixed by screwing the side mounting hole 121 corresponding to the same height, and the main support part 4 is also screwed into the corresponding main mounting hole 142, so that the support table of the main support part 4 and the support table of the plurality of side support parts 2 are located on the same plane.

[0053] The spacing frame 3 is sleeved on the air guide pipe 14, the positioning hole 31 on the spacing frame 3 corresponds to the positioning column 21 on the side support part 2, and is placed in the placing frame 1. At this time, the B air guide groove 32 corresponds to the opening 141 at the height thereof, and the B air guide groove 32 is connected with the air guide pipe 14.

[0054] When more workpieces need to be processed, the two racks are stacked, the insertion hole of the lower bottom rack is aligned with the insertion hole of the upper bottom rack, the clamping block 53 of the connecting part 5 passes through the corresponding two insertion holes in sequence, the driving part 51 is rotated, the clamping block 53 is staggered with the insertion hole, the connection of the upper rack and the lower rack is completed, and the driving part 51 is located in the sink.

[0055] The above one or more embodiments of the present application are described in detail, but the content is only the preferred embodiment of the present application, and cannot be considered to limit the scope of the present application. Any equivalent changes and improvements made within the scope of the present application should still belong to the patent coverage of the present application.

Claims

1. A tool for use in a bell-type furnace annealing, characterized by: The shelf (1) and the spacing shelf (3) arranged in the shelf (1); A lifting support assembly is arranged on the shelf (1) to form a support point for the spacing shelf (3) and adjust the height of the spacing shelf (3), the shelf (1) comprises a wind guide pipe (14) penetrating the spacing shelf (3), and the shelf (1) and the spacing shelf (3) are both provided with a wind guide channel connected with the wind guide pipe (14).

2. The tooling for use in a bell-type furnace annealing according to claim 1, characterized in that: The shelf (1) comprises a lower base frame (11), a column group and an upper support (13) arranged in sequence, the column group is arranged around the edge of the lower base frame (11), and the wind guide pipe (14) is located at the center of the lower base frame (11).

3. The tooling for use in a bell-type furnace annealing according to claim 2, characterized in that: The support assembly comprises a side support (2) and a main support (4) on the same support surface, a plurality of side supports (2) are arranged around the column group, and the main support (4) is sleeved on the wind guide pipe (14).

4. The tooling for use in a bell-type furnace annealing according to claim 3, wherein: The side support (2) is sleeved on the mounting column (12) in the column group, a plurality of mounting columns (12) are equidistantly spaced, and a plurality of mounting holes are radially arranged on the mounting column (12) and the wind guide pipe (14).

5. The tooling for use in a bell-type furnace annealing according to claim 3, wherein: An A wind guide groove (111) is through arranged around the inner wall of the wind guide pipe (14) at the connection between the wind guide pipe (14) and the lower base frame (11).

6. The tooling for use in a bell-type furnace annealing according to claim 5, wherein: A B wind guide groove (32) is through arranged around the inner wall of the center through groove on the spacing shelf (3), and a plurality of groups of openings (141) are arranged around the wind guide pipe (14) and matched with the height of the B wind guide groove (32).

7. The tooling for use in a bell-type furnace annealing according to claim 6, characterized in that: A positioning column (21) is arranged on the support surface of the side support (2), a positioning hole (31) matched with the positioning column (21) is arranged around the spacing shelf (3), so that the initial position of the B wind guide groove (32) corresponds to the position of the opening (141).

8. The tooling for use in a bell-type furnace annealing according to claim 2, wherein: The hollow shape of the lower base frame (11) and the hollow shape of the spacing shelf (3) are both radially distributed.

9. The tooling for use in a bell-type furnace annealing according to claim 2, wherein: The connection part (5) is used for detachably connecting two superimposed shelves.

10. The tooling for use in a bell-type furnace annealing according to claim 9, wherein: The upper support (13) and the lower base frame (11) are both provided with a jack (15), the connection part (5) comprises a clamping block (53) penetrating the adjacent jack, and the clamping block (53) is rotatably arranged and offset from the jack (15).

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