CN216404478U - Bolt heat treatment device - Google Patents
Bolt heat treatment device Download PDFInfo
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- CN216404478U CN216404478U CN202122879889.3U CN202122879889U CN216404478U CN 216404478 U CN216404478 U CN 216404478U CN 202122879889 U CN202122879889 U CN 202122879889U CN 216404478 U CN216404478 U CN 216404478U
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- bolt
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- treatment furnace
- roller
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Abstract
The utility model provides a bolt heat treatment device, and relates to the technical field of bolt processing. The heat treatment furnace comprises a heat treatment furnace, wherein a feed inlet and a discharge outlet are respectively arranged at two ends of the heat treatment furnace, a conveying belt respectively enters and leaves the heat treatment furnace through the feed inlet and the discharge outlet, a gas nozzle is arranged in the heat treatment furnace at the lower part of the conveying belt, a heat preservation and heat insulation plate is rotationally arranged in the feed inlet and the discharge outlet, a bolt pushing assembly is arranged on the conveying belt and comprises a plurality of push rods and push blocks arranged on the conveying belt, torsional springs are arranged at the rotational joints of the heat preservation and heat insulation plate and the feed inlet and the discharge outlet, and limiting plates for limiting the heat preservation and heat insulation plate are vertically arranged in the feed inlet and the discharge outlet.
Description
Technical Field
The utility model relates to the technical field of bolt processing, in particular to a bolt heat treatment device.
Background
In order to improve the comprehensive mechanical property of the bolt, the bolt needs to be subjected to heat treatment after being formed and wire-made, and the heat treatment can improve the strength, hardness, plasticity and toughness of the bolt, so that the bolt with good comprehensive mechanical property is obtained.
When the traditional bolt heat treatment equipment is used for carrying out heat treatment on bolts, the conveying belt is generally arranged to convey the bolts into the heat treatment furnace, the heat treatment furnace at the inlet and the outlet of the conveying belt is of an open structure, and heat in the furnace is greatly dissipated due to the opening, so that the heat efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to develop a bolt heat treatment device for preventing heat from being largely dissipated from an opening at an inlet and an outlet of a heat treatment furnace.
The utility model is realized by the following technical scheme:
a bolt heat treatment apparatus comprising:
the two ends of the heat treatment furnace are respectively provided with a feeding hole and a discharging hole;
the conveying belt enters and leaves the heat treatment furnace from the feeding hole and the discharging hole respectively;
the gas nozzle is arranged in the heat treatment furnace at the lower part of the conveying belt;
the heat insulation plate is rotatably arranged in the feed inlet and the discharge outlet;
the bolt pushing assembly is arranged on the conveying belt;
the bolt pushing assembly comprises a plurality of push rods and push blocks arranged on the conveying belt, torsion springs are arranged at the rotating connection positions of the heat-insulating plate and the feeding port and the discharging port, and vertical limiting plates for limiting the heat-insulating plate are arranged in the feeding port and the discharging port.
Optionally, a gap between two adjacent push rods is larger than the outer diameter of the screw part of the bolt and smaller than the outer diameter of the head part of the bolt.
Optionally, a plurality of bolt propelling movement subassemblies are equidistantly arranged on the conveyer belt.
Optionally, a plurality of push rods in the bolt pushing assembly are arranged at equal intervals in a straight line perpendicular to the advancing direction of the conveying belt, and the push rods are arranged perpendicular to the conveying belt.
Optionally, the height of the push block is not lower than that of the push rod.
Optionally, the push block is arranged at two ends of the plurality of push rods arranged in a straight line.
Optionally, the top end of the heat-insulating plate is hinged to the top ends of the feed inlet and the discharge outlet, and the limiting plates are arranged on the outer side of the top end of the feed inlet and the inner side of the top end of the discharge outlet.
Optionally, the side surface of the pushing block in the advancing direction of the conveying belt is a first inclined surface, the end part of the first inclined surface in the advancing direction of the conveying belt is a lower end, and a second inclined surface matched with the first inclined surface is arranged at the bottom end of the heat-insulating board.
Optionally, the feed inlet outside and the discharge gate outside are rotated respectively and are equipped with feed roll and discharge roller, the feed roll below is kept away from heat treatment furnace one side and is rotated and be equipped with first drive roller, it is equipped with the second drive roller to rotate under the discharge roller, same level is located with the second drive roller to first drive roller, the conveyer belt is located on feed roll, discharge roller, first drive roller and the second drive roller.
Optionally, the conveyer belt is a high temperature resistant metal mesh belt, and the plurality of gas nozzles are arranged at the lower part of the conveyer belt at equal intervals in a straight line.
The utility model has the beneficial effects that:
the conveying belt arranged in the utility model is inclined before entering the heat treatment furnace, so that the bolts are pushed by the bolt pushing assembly on the inclined conveying belt, the push rod supports the bolts to move along with the conveying belt, and the heat insulation plates arranged in the feed inlet and the discharge outlet are matched with the push block, so that the bolts can be automatically closed after entering the heat treatment furnace, the heat loss in the heat treatment furnace is reduced, and the heat efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of the present invention;
fig. 2 is a structure view of a bolt pushing assembly.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art can appreciate, the described embodiments may be modified in various different ways, without departing from the spirit or scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present invention.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in figures 1 and 2, the utility model discloses a bolt heat treatment device which comprises a heat treatment furnace 1, wherein a feeding hole 11 and a discharging hole 12 are respectively arranged at two ends of the heat treatment furnace 1, the feeding hole 11 and the discharging hole 12 are arranged at the same horizontal height, and heat-insulating plates 9 are respectively arranged in the feeding hole 11 and the discharging hole 12.
The top end of the heat preservation and insulation board 9 is hinged with the top ends of the feed inlet 11 and the discharge outlet 12, a torsion spring is arranged at the hinged position of the top end of the heat preservation and insulation board 9, the heat preservation and insulation board 9 in the feed inlet 11 rotates towards the outer side of the heat treatment furnace 1 under the elasticity of the torsion spring, and the heat preservation and insulation board 9 in the discharge outlet 12 rotates towards the inner side of the heat treatment furnace 1 under the elasticity of the torsion spring. The outer side of the top end of the feeding hole 11 and the inner side of the top end of the discharging hole 12 are respectively provided with a limiting plate 10, the limiting plates 10 are vertically arranged, and when the heat-insulating plate 9 rotates to a vertical state, the side wall of the heat-insulating plate 9 is abutted to the limiting plates 10, so that the heat-insulating plate 9 is in a vertical state.
The feeding roller 4 and the discharging roller 7 are respectively arranged on the outer side of the feeding port 11 and the outer side of the discharging port 12 in a rotating mode, the first driving roller 5 is arranged on one side, away from the heat treatment furnace 1, of the lower portion of the feeding roller 4 in a rotating mode, the second driving roller 6 is arranged under the discharging roller 7 in a rotating mode, and the first driving roller 5 and the second driving roller 6 are arranged at the same horizontal height.
The feeding roller 4, the discharge roller 7, be equipped with conveyer belt 2 on first drive roller 5 and the second drive roller 6, conveyer belt 2 is high temperature resistant metal mesh belt, first drive roller 5 and second drive roller 6 are connected with the drive source transmission, first drive roller 5 and the second drive roller 6 operation drive conveyer belt 2 cyclic motion, conveyer belt 2 passes feed inlet 11 by feeding roller 4 department and gets into in the heat treatment furnace 1, go into on the discharge roller 7 after the heat treatment furnace 1 is exported by discharge gate 12, get into second drive roller 6 after the discharge roller 7 exports, accomplish a cyclic motion on getting into first drive roller 5 by second drive roller 6, first drive roller 5 is located the feeding roller 4 below and is kept away from heat treatment furnace 1 one side, consequently, this section conveyer belt 2 slope between first drive roller 5 and the feeding roller 4 arranges, conveyer belt 2 is higher end near feeding roller 4 one end.
A plurality of gas nozzles 8 are arranged in the heat treatment furnace 1, and the gas nozzles 8 are linearly arranged at equal intervals at the lower part of the conveyer belt 2. Through gas nozzle 8, can inject gas and the oxygen of premixing in heat treatment furnace 1, gas nozzle 8 still adaptation ignition switch, gas nozzle 8's structure is mature prior art, need not be repeated here.
Equidistant multiunit bolt propelling movement subassembly 3 that is equipped with on conveyer belt 2, bolt propelling movement subassembly 3 includes that a plurality of being straight lines equidistant set up the push rod 32 on conveyer belt 2, push rod 32 perpendicular to conveyer belt 2 sets up, a plurality of push rods 32 are with 2 direction of travel vertically straight line settings of conveyer belt, the clearance between two adjacent push rods 32 is greater than the external diameter of bolt screw rod part, the clearance between two adjacent push rods 32 is less than the external diameter of bolt head part, make the screw rod of bolt can insert in the clearance between two adjacent push rods 32, and simultaneously, the bolt head can't pass through, make the bolt can't pass through bolt propelling movement subassembly 3 and be promoted by it.
The bolt pushing assembly 3 further comprises pushing blocks 31 located at two ends, the pushing blocks 31 are located at two ends of the pushing rods 32 which are linearly arranged, so that the pushing rods 32 are located between the two pushing blocks 31, the height of each pushing block 31 is not lower than that of each pushing rod 32, the side face of each pushing block 31 in the advancing direction of the conveying belt 2 is a first inclined face, and the end portion of each first inclined face in the advancing direction of the conveying belt 2 is a lower end. The bottom of heat preservation heat insulating board 9 is equipped with the second inclined plane with first inclined plane complex, and when ejector pad 31 passed through feed inlet 11 and discharge gate 12, first inclined plane and the cooperation of second inclined plane, ejector pad 31 promoted heat preservation heat insulating board 9 and rotates for bolt propelling movement subassembly 3 can pass feed inlet 11 and discharge gate 12, and after ejector pad 31 left feed inlet 11 or discharge gate 12, ejector pad 31 no longer contacted with heat preservation heat insulating board 9, and heat preservation heat insulating board 9 revolves under the elasticity of torsional spring, makes its level until supporting on limiting plate 10. Through the cooperation of the heat-insulating plate 9 and the pushing block 31, the heat-insulating plate 9 is rotated and opened when the bolt pushing assembly 3 passes through the feeding hole 11 or the discharging hole 12, and the heat-insulating plate 9 is automatically closed after the bolt pushing assembly 3 leaves the feeding hole 11 or the discharging hole 12, so that the heat loss in the heat treatment furnace 1 is reduced.
The bolt screw part inserts between two adjacent push rods 32 on conveyer belt 2, the head of bolt is put up on two adjacent push rods 32, conveyer belt 2 operates and inputs the bolt in heat treatment furnace 1, when ejector pad 31 moves to feed inlet 11 department, ejector pad 31 promotes heat preservation heat insulating board 9 makes bolt propelling movement subassembly 3 promote the bolt to get into in heat treatment furnace 1, after bolt propelling movement subassembly 3 leaves feed inlet 11, heat preservation heat insulating board 9 self-closing reduces the inside thermal dissipation of heat treatment furnace 1, the bolt carries out the thermal treatment in heat treatment furnace 1, by discharge gate 12 output, the heat preservation heat insulating board 9 in discharge gate 12 is self-closing after the bolt output, reduce the heat loss in heat treatment furnace 1.
The conveyer belt 2 is inclined before entering the heat treatment furnace 1, so that bolts are pushed by the bolt pushing assembly 3 on the inclined conveyer belt 2, the push rod 32 supports the bolts to enable the bolts to move along with the conveyer belt 2, and the heat-insulating plates 9 arranged in the feeding port 11 and the discharging port 12 are matched with the push block 31 and can be automatically closed after the bolts enter the heat treatment furnace 1, thereby reducing the heat loss in the heat treatment furnace 1 and improving the heat efficiency.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, which should be considered to fall within the protection scope of the patent of the present invention.
Claims (10)
1. A bolt heat treatment device, characterized by comprising:
the two ends of the heat treatment furnace are respectively provided with a feeding hole and a discharging hole;
the conveying belt enters and leaves the heat treatment furnace from the feeding hole and the discharging hole respectively;
the gas nozzle is arranged in the heat treatment furnace at the lower part of the conveying belt;
the heat insulation plate is rotatably arranged in the feed inlet and the discharge outlet;
the bolt pushing assembly is arranged on the conveying belt;
the bolt pushing assembly comprises a plurality of push rods and push blocks arranged on the conveying belt, torsion springs are arranged at the rotating connection positions of the heat-insulating plate and the feeding port and the discharging port, and vertical limiting plates for limiting the heat-insulating plate are arranged in the feeding port and the discharging port.
2. The heat treatment apparatus for bolts according to claim 1, wherein the gap between two adjacent pushing rods is larger than the outer diameter of the bolt shank portion and smaller than the outer diameter of the bolt head portion.
3. The bolt heat treatment apparatus of claim 1, wherein a plurality of the bolt pushing assemblies are arranged at equal intervals on the conveyor belt.
4. The bolt heat treatment apparatus according to claim 1, wherein the plurality of pushers in the bolt pushing assembly are equally spaced in a straight line perpendicular to the traveling direction of the conveyor belt, the pushers being disposed perpendicular to the conveyor belt.
5. The bolt heat treatment apparatus according to claim 4, wherein the height of the push block is not lower than the height of the push rod.
6. The bolt heat treatment device according to claim 5, wherein the push blocks are provided at both ends of a plurality of push rods arranged in a straight line.
7. The bolt heat treatment device according to claim 1, wherein the top end of the heat-insulating plate is hinged to the top ends of the feeding hole and the discharging hole, and the limiting plates are arranged outside the top end of the feeding hole and inside the top end of the discharging hole.
8. The bolt heat treatment device according to claim 1, wherein the side surface of the pushing block in the traveling direction of the conveyor belt is a first inclined surface, the end part of the first inclined surface in the traveling direction of the conveyor belt is a lower end, and the bottom end of the heat-insulating plate is provided with a second inclined surface matched with the first inclined surface.
9. The bolt heat treatment device according to claim 1, wherein a feed roller and a discharge roller are rotatably provided outside the feed port and the discharge port, respectively, a first driving roller is rotatably provided below the feed roller on a side away from the heat treatment furnace, a second driving roller is rotatably provided directly below the discharge roller, the first driving roller and the second driving roller are provided at the same level, and the conveyor belt is provided on the feed roller, the discharge roller, the first driving roller and the second driving roller.
10. The bolt heat treatment device according to claim 1, wherein the conveyor belt is a high temperature resistant metal mesh belt, and the plurality of gas nozzles are linearly and equally spaced at a lower portion of the conveyor belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122879889.3U CN216404478U (en) | 2021-11-23 | 2021-11-23 | Bolt heat treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122879889.3U CN216404478U (en) | 2021-11-23 | 2021-11-23 | Bolt heat treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216404478U true CN216404478U (en) | 2022-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122879889.3U Active CN216404478U (en) | 2021-11-23 | 2021-11-23 | Bolt heat treatment device |
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| Country | Link |
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| CN (1) | CN216404478U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116676468A (en) * | 2023-07-31 | 2023-09-01 | 兴化市振泰合金钢有限公司 | Alloy steel fastener continuous heat treatment device |
-
2021
- 2021-11-23 CN CN202122879889.3U patent/CN216404478U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116676468A (en) * | 2023-07-31 | 2023-09-01 | 兴化市振泰合金钢有限公司 | Alloy steel fastener continuous heat treatment device |
| CN116676468B (en) * | 2023-07-31 | 2023-10-27 | 兴化市振泰合金钢有限公司 | Alloy steel fastener continuous heat treatment device |
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