CN110937329A - Feeding device for heat treatment equipment - Google Patents
Feeding device for heat treatment equipment Download PDFInfo
- Publication number
- CN110937329A CN110937329A CN201911326614.8A CN201911326614A CN110937329A CN 110937329 A CN110937329 A CN 110937329A CN 201911326614 A CN201911326614 A CN 201911326614A CN 110937329 A CN110937329 A CN 110937329A
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- CN
- China
- Prior art keywords
- plate
- rod
- heat treatment
- fixing
- treatment equipment
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/30—Details; Auxiliary devices
- B65G17/46—Means for holding or retaining the loads in fixed position on the load-carriers, e.g. magnetic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/06—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms
- B65G17/065—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms the load carrying surface being formed by plates or platforms attached to a single traction element
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Chain Conveyers (AREA)
Abstract
The invention discloses a feeding device for heat treatment equipment, which comprises a conveyor belt, a feeding device and a feeding device, wherein the conveyor belt is of a plate-type structure; the fixing plates are fixed on the chain plates of the conveying belt; the number of the placing plates is the same as that of the fixing plates, a plurality of through holes are formed in the plate surface, and each placing plate is parallel to and mutually fixed with the fixing plate; one end of each blocking rod is provided with a blocking protrusion, the diameter of the blocking protrusion is larger than that of the through hole, the other end of each blocking rod penetrates through the through hole in the placing plate, and the blocking protrusion is positioned between the fixing plate and the placing plate; the space surrounded by the plurality of stop rods limits the placed parts. The invention can quickly arrange parts with complicated shapes and thin plate surfaces into the conveyor belt and ensure that the parts are not deformed due to uneven stress in the heat treatment process.
Description
Technical Field
The invention relates to the field of heat treatment, in particular to a feeding device for heat treatment equipment.
Background
In order to improve some indexes of mechanical parts, the mechanical parts are subjected to related treatments, such as heat treatment, aging treatment and the like. The heat treatment is a process of heating and then cooling the mechanical parts.
The heat treatment equipment conveys the parts to various regions of the heat treatment equipment through the conveyor belt for treatment. For thinner parts, creep and the like are likely to occur after heating, and if the parts are not regularly placed, secondary straightening treatment will be required after heat treatment.
Patent publication No. CN208038516U, entitled steel wire heat treatment palletizing and arranging device, selects to arrange the components into the containers first and then place the containers into the heat treatment equipment, which is not suitable for continuous conveyor type heat treatment equipment and is complicated to operate.
The patent with publication number CN108927475B entitled a bolt processing system and the patent with publication number CN207288115U entitled an automatic collecting and arranging device for bearing forging, quenching and heat treatment process all disclose schemes for arranging parts to be heat treated by using a mechanical arm or an automatic mode. However, these two solutions cannot be used for finishing non-standard parts or non-standard shapes (square, circular, cylindrical, etc.), especially for parts with complicated shapes and thin plate surfaces.
Disclosure of Invention
In view of the above-mentioned defects of the prior art, the present invention aims to provide a feeding device for a heat treatment apparatus, which can quickly arrange parts with complicated shapes and thin plate surfaces into a conveyor belt, and ensure that the parts are not deformed due to uneven stress during the heat treatment process.
The purpose of the invention is realized by the following technical scheme:
the feeding device for the heat treatment equipment comprises a feeding device,
the conveying belt is of a plate type structure;
the fixing plates are fixed on the chain plates of the conveying belt;
the number of the placing plates is the same as that of the fixing plates, a plurality of through holes are formed in the plate surface, and each placing plate is parallel to and mutually fixed with the fixing plate;
one end of each blocking rod is provided with a blocking protrusion, the diameter of the blocking protrusion is larger than that of the through hole, the other end of each blocking rod penetrates through the through hole in the placing plate, and the blocking protrusion is positioned between the fixing plate and the placing plate; the space surrounded by the plurality of stop rods limits the placed parts.
Further, the fixing plate is fixed with the conveying belt through a buffering fixing component;
the buffer fixing component comprises a buffer fixing component and a buffer fixing component,
one end of the connecting rod is provided with a spherical bulge, the other end of the connecting rod penetrates through a chain plate and a fixed plate of the conveyor belt, and the cylindrical surface is provided with threads;
the spherical sleeve is sleeved on the connecting rod;
the nut is meshed with the thread on the connecting rod, and the spherical sleeve is positioned between the nut and the spherical bulge;
the first spring is sleeved on the connecting rod, and two ends of the first spring are respectively abutted against the upper surface of the chain plate and the fixing plate.
Furthermore, the stop rod comprises a stop protrusion, a deformation part and a limiting rod in sequence; the deformation part is a variable cross section; the inner wall of the through hole on the placing plate is matched with the shape of the deformation part.
Furthermore, the upper surface of the fixed plate and the area corresponding to the through hole on the placing plate are both provided with grooves, and a second spring is arranged between the blocking protrusion and the corresponding groove.
Further comprises a feeding component, the feeding component comprises,
the sliding chute is arranged above the transmission belt in an inclined manner;
the partition plate is detachably arranged in the sliding chute, and the sliding chute is arranged into a plurality of sliding ways; each slideway corresponds to one placing plate.
Furthermore, a plurality of point-shaped jacks along the sliding direction of the sliding chute are arranged in the sliding chute; one end of the partition plate is provided with an inserted rod corresponding to the insertion hole; the partition plate is fixed in the sliding groove through the inserted rod.
Further, the conveyor belt is a chain plate type conveyor belt;
the middle part of the conveying belt is limited by four fixed gears; the feeding end of the conveying belt is installed through a swingable limiting assembly;
the limiting component comprises a limiting component and a limiting component,
a drive shaft;
two transmission gears are sleeved outside the transmission shaft; the two transmission gears are meshed with the chains at the two ends of the conveyor belt;
one end of the swinging rod is hinged with the transmission shaft, and the other end of the swinging rod can rotate around a connecting midline of the four fixed gears;
one end of the telescopic rod is fixed in a rotatable manner, and the other end of the telescopic rod is hinged with the transmission shaft; when the telescopic rod stretches, the conveying shaft swings around the swinging rod in an arc shape.
By adopting the technical scheme, the invention has the following advantages:
the conveying belt is provided with a structure for limiting the parts, so that the parts are not scattered when being subjected to heat treatment under the conveying action of the conveying belt; meanwhile, the plurality of blocking rods can be in any shape required by a city, so that the limiting requirements on parts with complex shapes are met.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The drawings of the invention are illustrated as follows:
FIG. 1 is a schematic front view of a quenching apparatus for a heat treatment apparatus in the example.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a schematic top view of the structure of fig. 1.
Fig. 4 is an enlarged schematic view of B in fig. 3.
FIG. 5 is a schematic view of the section C-C in FIG. 3.
Fig. 6 is an enlarged view of the structure shown at D in fig. 5.
Fig. 7 is a schematic top view of the fixing plate and the placing plate in the embodiment.
FIG. 8 is a schematic view of the section E-E in FIG. 7. .
Fig. 9 is a schematic view of an enlarged structure at F in fig. 8.
In the figure: 1. a conveyor belt; 2. a fixing plate; 21. a groove; 22. a second spring; 3. placing the plate; 31. perforating; 41. blocking protrusions; 42. a deformation section; 43. a limiting rod; 51. a connecting rod; 52. spherical convex; 53. a spherical sleeve; 54. a nut; 55. a first spring; 61. a chute; 611. a slideway; 612. a jack; 62. a partition plate; 621. inserting a rod; 7. fixing a gear; 81. a drive shaft; 82. a transmission gear; 83. a swing lever; 84. a telescopic rod.
Detailed Description
The invention is further illustrated by the following figures and examples.
Example (b):
as shown in figures 1 to 9 of the drawings,
the feeding device for the heat treatment equipment comprises a feeding device,
the conveyor belt 1 is of a plate type structure;
a plurality of fixing plates 2, each of which is fixed on a chain plate of the conveyor belt 1;
the placing plates 3 are the same as the fixing plates 2 in number, a plurality of through holes 31 are formed in the plate surfaces, and each placing plate is parallel to and mutually fixed with the fixing plate 2;
one end of each blocking rod is provided with a blocking protrusion 41, the diameter of each blocking protrusion 41 is larger than that of the through hole 31, the other end of each blocking rod penetrates through the through hole 31 in the placing plate 3, and the blocking protrusions 41 are positioned between the fixing plate 2 and the placing plate 3; the space surrounded by the plurality of stop rods limits the placed parts.
The conveying belt 1 is provided with a structure for limiting the parts, so that the parts can not scatter when being subjected to heat treatment under the conveying action of the conveying belt 1; meanwhile, the plurality of blocking rods can be in any shape required by a city, so that the limiting requirements on parts with complex shapes are met.
In this embodiment, the fixing plate 2 is fixed to the conveyor belt 1 by a buffer fixing assembly;
the buffer fixing component comprises a buffer fixing component and a buffer fixing component,
one end of the connecting rod 51 is provided with a spherical bulge 52, the other end of the connecting rod passes through the chain plate of the conveyor belt 1 and the fixing plate 2, and the cylindrical surface is provided with threads;
a spherical sleeve 53 sleeved on the connecting rod 51;
a nut 54 engaged with the thread on the connecting rod 51, a spherical sleeve 53 being located between the nut 54 and the spherical projection 52;
and the first spring 55 is sleeved on the connecting rod 51, and two ends of the first spring respectively abut against the upper surface of the chain plate and the fixing plate 2.
In this embodiment, the stop lever includes a stop protrusion 41, a deformation portion 42, and a limit lever 43 in sequence; the deformation part 42 is a variable cross section; the inner wall of the through hole 31 of the placing plate 3 is matched with the shape of the deformation part 42.
Keep off protruding 41 can be spacing with a grade pole, prevents that a grade pole from breaking away from and placing board 3, and deformation portion 42 can carry out certain spacing to a grade pole, reduces the swing by a wide margin of a grade pole, and gag lever post 43 contacts with the edge of spare part, spacing spare part.
In this embodiment, the upper surface of the fixing plate 2 is provided with a groove 21 in the area corresponding to the through hole 31 of the placing plate 3, and a second spring 22 is arranged between the blocking protrusion 41 and the corresponding groove 21.
Certain deformation will take place at the in-process that uses to shelves pole, and this moment shelves pole need have certain activity to guarantee that spare part can be smooth fall into place on the board 3, avoid the range of rocking of shelves pole too big again simultaneously, through second spring 22, make deformation portion 42 and perforation 31 extrude each other.
In this embodiment, the device further comprises a feeding assembly, the feeding assembly comprises,
a chute 61 arranged obliquely above the belt;
the partition plate 62 is detachably arranged in the sliding groove 61, and the sliding groove 61 is provided with a plurality of sliding ways 611; each slide 611 corresponds to one placing plate 3.
In the standing groove is quick with the placing of spare part in making things convenient for the workman, need not pile up alone, adopt spout 61 can be with the quick placing of the more regular spare part of appearance.
In this embodiment, a plurality of dot-shaped insertion holes 612 are formed in the sliding groove 61 along the sliding direction of the sliding groove 61; one end of the partition plate 62 is provided with an inserting rod 621 corresponding to the inserting hole 612; the partition plate 62 is fixed in the slide groove 61 by an insert rod 621.
It is convenient to change the position of the partition plate 62.
In this embodiment, the conveyor belt 1 is a chain plate conveyor belt 1;
the middle part of the conveyor belt 1 is limited by four fixed gears 7; the feeding end of the conveyor belt 1 is installed through a swingable limiting assembly;
the limiting component comprises a limiting component and a limiting component,
a transmission shaft 81;
two transmission gears 82 are sleeved outside the transmission shaft 81; two transmission gears 82 are meshed with the chains at the two ends of the conveyor belt 1;
a swing rod 83, one end of which is hinged with the transmission shaft 81, and the other end of which can rotate around the connecting midline of the four fixed gears 7;
one end of the telescopic rod 84 is fixed in a rotatable manner, and the other end of the telescopic rod is hinged with the transmission shaft 81; when the telescopic rod 84 is extended and retracted, the transfer shaft swings in an arc around the swing rod 83.
The four fixed gears 7 can limit the conveyor belt 1, and meanwhile, the transmission gears 82 and the swing rods can enable the tail end of the conveyor belt 1 to rotate around the swing rod 83, so that the parts on the conveyor belt 1 can be vibrated, and the parts can be placed more regularly.
This embodiment works by selecting a plurality of bars according to the contour of the component, and placing the bars into the corresponding holes 612, so that the shape of the rail on the placing plate 3 is the same as the contour of the component. The position of the partition on the chute 61 is adjusted so that the slide 611 corresponds to the placement plate 3.
The parts are smoothly placed into the slide rail 611, the parts slide down under the action of gravity and finally slide into the placing plate 3, and the edges of the parts are abutted against the stop lever. If comparatively obvious stick-up limit or slope appear in spare part, influence and continue to pile up spare part when placing, artifical manual shelves pole that shakes for place board 3 and rock, make spare part regular. When the component is placed on the placing plate 3, the component still has a partial inclination or tilting although the component looks completely flat.
Controlling the high-frequency periodic expansion and contraction change of the two expansion rods 84; the telescoping rod 84 can be pneumatically or hydraulically controlled. Under the stretching and retracting of the telescopic rod 84, the transmission teeth do reciprocating circular arc motion around the swinging rod 83, so that the parts on the placing plate 3 are shaken, and the smooth stacking of the parts is realized.
After the stacking of the parts is completed, the conveyor belt 1 is started, and the parts enter the heat treatment equipment for treatment.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (7)
1. The feeding device for the heat treatment equipment is characterized by comprising,
the conveying belt is of a plate type structure;
the fixing plates are fixed on the chain plates of the conveying belt;
the number of the placing plates is the same as that of the fixing plates, a plurality of through holes are formed in the plate surface, and each placing plate is parallel to and mutually fixed with the fixing plate;
one end of each blocking rod is provided with a blocking protrusion, the diameter of the blocking protrusion is larger than that of the through hole, the other end of each blocking rod penetrates through the through hole in the placing plate, and the blocking protrusion is positioned between the fixing plate and the placing plate; the space surrounded by the plurality of stop rods limits the placed parts.
2. The loading device for heat treatment equipment according to claim 1, wherein the fixing plate is fixed to the conveyor belt by a buffer fixing assembly;
the buffer fixing component comprises a buffer fixing component and a buffer fixing component,
one end of the connecting rod is provided with a spherical bulge, the other end of the connecting rod penetrates through a chain plate and a fixed plate of the conveyor belt, and the cylindrical surface is provided with threads;
the spherical sleeve is sleeved on the connecting rod;
the nut is meshed with the thread on the connecting rod, and the spherical sleeve is positioned between the nut and the spherical bulge;
the first spring is sleeved on the connecting rod, and two ends of the first spring are respectively abutted against the upper surface of the chain plate and the fixing plate.
3. The feeding device for the heat treatment equipment as claimed in claim 1, wherein the blocking rod comprises a blocking protrusion, a deformation part and a limiting rod in sequence; the deformation part is a variable cross section; the inner wall of the through hole on the placing plate is matched with the shape of the deformation part.
4. The feeding device for heat treatment equipment according to claim 1, wherein the upper surface of the fixing plate is provided with a groove at a region corresponding to the through hole on the placing plate, and a second spring is arranged between the blocking protrusion and the corresponding groove.
5. The feeding device for heat treatment equipment according to claim 1, further comprising a feeding assembly, wherein the feeding assembly comprises,
the sliding chute is arranged above the transmission belt in an inclined manner;
the partition plate is detachably arranged in the sliding chute, and the sliding chute is arranged into a plurality of sliding ways; each slideway corresponds to one placing plate.
6. The feeding device for heat treatment equipment according to claim 5, wherein a plurality of dot-shaped insertion holes are formed in the sliding groove along the sliding direction of the sliding groove; one end of the partition plate is provided with an inserted rod corresponding to the insertion hole; the partition plate is fixed in the sliding groove through the inserted rod.
7. The charging device for heat treatment equipment according to claim 1, wherein the conveyor belt is a chain plate conveyor belt;
the middle part of the conveying belt is limited by four fixed gears; the feeding end of the conveying belt is installed through a swingable limiting assembly;
the limiting component comprises a limiting component and a limiting component,
a drive shaft;
two transmission gears are sleeved outside the transmission shaft; the two transmission gears are meshed with the chains at the two ends of the conveyor belt;
one end of the swinging rod is hinged with the transmission shaft, and the other end of the swinging rod can rotate around a connecting midline of the four fixed gears;
one end of the telescopic rod is fixed in a rotatable manner, and the other end of the telescopic rod is hinged with the transmission shaft; when the telescopic rod stretches, the conveying shaft swings around the swinging rod in an arc shape.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201911326614.8A CN110937329B (en) | 2019-12-20 | 2019-12-20 | Feeding device for heat treatment equipment |
Applications Claiming Priority (1)
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CN201911326614.8A CN110937329B (en) | 2019-12-20 | 2019-12-20 | Feeding device for heat treatment equipment |
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CN110937329A true CN110937329A (en) | 2020-03-31 |
CN110937329B CN110937329B (en) | 2021-06-22 |
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CN201911326614.8A Expired - Fee Related CN110937329B (en) | 2019-12-20 | 2019-12-20 | Feeding device for heat treatment equipment |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115007548A (en) * | 2022-05-24 | 2022-09-06 | 宜宾长盈精密技术有限公司 | Workpiece online cleaning system |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103693420A (en) * | 2013-12-27 | 2014-04-02 | 李洪普 | Automatic arrangement mechanism for stems with long and short leads |
CN204702210U (en) * | 2015-06-03 | 2015-10-14 | 安徽立光电子材料股份有限公司 | The face glass feeding device of supplemental support can be realized |
JP2016020250A (en) * | 2014-07-14 | 2016-02-04 | 横浜ゴム株式会社 | Work conveying device |
CN205998532U (en) * | 2016-08-18 | 2017-03-08 | 重庆泽田汽车部件有限责任公司 | A kind of transporter limiting object slip |
CN206813822U (en) * | 2017-05-27 | 2017-12-29 | 杭州三星工艺玻璃有限公司 | A kind of vial anticollision continuous transportation device |
CN207973189U (en) * | 2018-01-19 | 2018-10-16 | 山东工业职业学院 | Logistics sorts conveying device |
CN209382798U (en) * | 2019-01-11 | 2019-09-13 | 湖南洞庭湖蛋业食品有限公司 | Breakage-proof transmitting device used in a kind of sorting of duck's egg |
-
2019
- 2019-12-20 CN CN201911326614.8A patent/CN110937329B/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103693420A (en) * | 2013-12-27 | 2014-04-02 | 李洪普 | Automatic arrangement mechanism for stems with long and short leads |
JP2016020250A (en) * | 2014-07-14 | 2016-02-04 | 横浜ゴム株式会社 | Work conveying device |
CN204702210U (en) * | 2015-06-03 | 2015-10-14 | 安徽立光电子材料股份有限公司 | The face glass feeding device of supplemental support can be realized |
CN205998532U (en) * | 2016-08-18 | 2017-03-08 | 重庆泽田汽车部件有限责任公司 | A kind of transporter limiting object slip |
CN206813822U (en) * | 2017-05-27 | 2017-12-29 | 杭州三星工艺玻璃有限公司 | A kind of vial anticollision continuous transportation device |
CN207973189U (en) * | 2018-01-19 | 2018-10-16 | 山东工业职业学院 | Logistics sorts conveying device |
CN209382798U (en) * | 2019-01-11 | 2019-09-13 | 湖南洞庭湖蛋业食品有限公司 | Breakage-proof transmitting device used in a kind of sorting of duck's egg |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115007548A (en) * | 2022-05-24 | 2022-09-06 | 宜宾长盈精密技术有限公司 | Workpiece online cleaning system |
CN115007548B (en) * | 2022-05-24 | 2024-03-19 | 宜宾长盈精密技术有限公司 | Workpiece online cleaning system |
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