CN110814813A - Size-adjustable porcelain boat clamp for tube furnace - Google Patents
Size-adjustable porcelain boat clamp for tube furnace Download PDFInfo
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- CN110814813A CN110814813A CN201911196233.2A CN201911196233A CN110814813A CN 110814813 A CN110814813 A CN 110814813A CN 201911196233 A CN201911196233 A CN 201911196233A CN 110814813 A CN110814813 A CN 110814813A
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- clamping piece
- porcelain boat
- fixed
- hollow rod
- cavity pole
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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Abstract
The invention discloses a size-adjustable tube furnace porcelain boat clamp which consists of a hollow rod, a fixed clamping piece, a movable clamping piece, a pull rod, a crack nut and a tension spring, wherein the hollow rod is fixedly connected with the fixed clamping piece; the fixed clamping piece is clamped and fixed at the end part of the hollow rod through a crack nut, the movable clamping piece and the fixed clamping piece are arranged at the same end of the hollow rod in a matching way, the movable clamping piece penetrates through the crack nut and is sequentially connected with a tension spring and a pull rod in the hollow rod, a plurality of limiting clamping grooves are formed in the side wall of the tail part of the hollow rod, and the tail end of the pull rod is matched with the limiting clamping grooves at different positions to adjust the distance between the movable clamping piece and the fixed clamping piece and the clamping force; the clamping ends of the movable clamping piece and the fixed clamping piece are symmetrically arranged, the clamping ends of the movable clamping piece and the fixed clamping piece are matched and attached to the outer walls of the two sides of the porcelain boat, and high-temperature-resistant soft silica gel sleeves are sleeved at the clamping ends of the movable clamping piece and the fixed clamping piece; the outer side wall of the hollow rod is provided with scale marks. The invention can stably clamp porcelain boats of different sizes and accurately push the porcelain boats to the central position of the tube furnace for reaction.
Description
Technical Field
The invention belongs to the technical field of auxiliary tools for material preparation, and particularly relates to a size-adjustable ceramic boat clamp for a tube furnace.
Background
The tubular furnace heating treatment is a treatment method frequently used in the material preparation process, and is a method for obtaining a new material by putting one or more raw materials into the central position in a tubular test furnace and carrying out physical or chemical reaction at a set temperature, and different gases are introduced in the heating process to play roles in participating in the reaction, protecting the atmosphere and the like.
The central position of the tube furnace has the highest temperature and the most accurate temperature, but the furnace body of the tube furnace is generally of a non-transparent structure, so that the pushing position cannot be judged when the porcelain boat containing the raw materials is pushed into the furnace body by using the existing tool, the reaction temperature of the previous experiment and the reaction temperature of the subsequent experiment are inconsistent, and the repeatability of the experiment is poor; in addition, the furnace body of tube furnace is the cylinder structure, and the porcelain boat is in the propulsion in-process of stove, because the oven is the curved surface, and the porcelain boat atress is inhomogeneous for the porcelain boat is very easily toppled in the stove, thereby the loss sample need take out the porcelain boat and reconfigure raw and other materials, influences the experiment process, and frequently impel or pull out the porcelain boat and also cause wearing and tearing to porcelain boat and furnace body easily.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the size-adjustable porcelain boat clamp for the tube furnace, so that porcelain boats of different sizes can be stably clamped and accurately pushed to the central position of the tube furnace for reaction. The technical scheme of the invention is as follows by combining the attached drawings of the specification:
a size-adjustable tube furnace porcelain boat clamp comprises a hollow rod 1, a fixed clamping piece 2, a movable clamping piece 3, a pull rod 4 and a tension spring 6;
decide clamping piece 2 and fix the head end at well cavity pole 1, move clamping piece 3 and decide clamping piece 2 and set up in well cavity pole 1 with supporting the same one end, and move clamping piece 3 and pass the head end of well cavity pole 1 and stretch into well cavity pole 1 to be connected with the head end of pull rod 4 in the well cavity pole 1 through extension spring 6 in the well cavity pole 1, it has a plurality of spacing draw-in grooves to open on the tail end lateral wall of well cavity pole 1, the tail end of pull rod 4 is realized moving clamping piece 3 and deciding distance and clamping-force between the clamping piece 2 and adjusting through the spacing draw-in groove cooperation with different positions.
Further, decide clamping piece 2 and press from both sides the dress through crack nut 5 and fix the head end at cavity pole 1, crack nut 5 and the head end threaded connection of cavity pole 1 open at the cap top of crack nut 5 has the bar hole, moves clamping piece 3 and passes stretch into in the cavity pole 1 behind the bar hole.
Further, the clamping ends of the movable clamping piece 3 and the fixed clamping piece 2 are symmetrically arranged, the clamping ends of the movable clamping piece 3 and the fixed clamping piece 2 are inclined inwards and towards the self direction, the clamping ends of the movable clamping piece 3 and the fixed clamping piece 2 are matched and attached to the outer walls of the two sides of the clamped porcelain boat, and the clamping ends of the movable clamping piece 3 and the fixed clamping piece 2 are sleeved with high-temperature-resistant soft silica gel sleeves 8.
Furthermore, the outer side wall of the hollow rod 1 is provided with scale marks to display the position of the porcelain boat fed into the tube furnace.
Furthermore, the hollow rod 1, the fixed clip 2, the movable clip 3, the pull rod 4, the tension spring 6 and the crack nut 5 are all made of 304 stainless steel materials.
Compared with the prior art, the invention has the beneficial effects that:
1. the clamping piece distance and the clamping force of the clamping end of the porcelain boat clamp for the tubular furnace are adjustable, the porcelain boat clamp can be suitable for clamping porcelain boats of different sizes, the clamping force can be adjusted according to the weight of the porcelain boats, and the universality is high.
2. The main body of the porcelain boat clamp for the tube furnace is of a hollow rod structure, so that the whole clamp is more portable and is easy to use.
3. The end part of the hollow rod of the tube furnace porcelain boat clamp realizes blocking of the opening end of the hollow rod through the crack nut, and simultaneously, the fixed clamping piece is clamped and fixed through the crack nut, so that the tube furnace porcelain boat clamp is simple in structure, convenient to assemble and disassemble and easy to clean and maintain.
4. The tail parts of the fixed clamping piece and the movable clamping piece of the tube furnace porcelain boat clamp are bent inwards and inclined, and the soft silica gel sleeve is sleeved on the tail parts of the fixed clamping piece and the movable clamping piece, so that the clamping ends of the fixed clamping piece and the movable clamping piece are better attached to the outer wall of a porcelain boat, the friction force is increased, the clamping effect is enhanced, and the abrasion to the outer wall of the porcelain boat is reduced.
5. The hollow rod of the tube furnace porcelain boat clamp is provided with a plurality of limiting clamping grooves which are clamped with the limiting clamping pieces at the tail ends of the pull rods, so that the deformation quantity of the tension springs at the front ends of the pull rods is kept, the clamping force formed between the movable clamping pieces and the fixed clamping pieces connected with the tension springs is kept stable, overturning is avoided, and the pull rods in the limiting clamping grooves are loosened after the porcelain boat reaches a proper position in the tube furnace.
6. The outer side wall of the tube furnace porcelain boat clamp is provided with scales, so that the pushed distance of the porcelain boat and the position of the porcelain boat in the tube furnace can be accurately judged, the porcelain boat is prevented from colliding with the furnace wall, and the porcelain boat is prevented from overturning.
7. The clamping end of the porcelain boat clamp for the tube furnace can reliably clamp the porcelain boat, so that the porcelain boat can be suspended and fed into the tube furnace, friction between the porcelain boat and the tube furnace is avoided, and abrasion is reduced.
8. The porcelain boat clamp for the tube furnace is simple to operate, good in clamping effect, light and durable.
Drawings
FIG. 1 is a front view of a porcelain boat fixture for a tube furnace according to the present invention;
FIG. 2 is a left side view of the tube furnace porcelain boat fixture of the present invention;
FIG. 3 is a top view of the porcelain boat fixture for tube furnace according to the present invention;
FIG. 4 is a cross-sectional view of a crack nut in the porcelain boat fixture for a tube furnace according to the present invention;
FIG. 5 is a partial schematic view of the end structure of the tube furnace porcelain boat fixture of the present invention, in which the hollow rod is engaged with the slit nut.
In the figure:
1-hollow rod, 2-fixed clip, 3-movable clip, 4-pull rod,
5-crack nut, 6-tension spring, 7-limit slot and 8-soft silica gel sleeve;
101-shaft, 102-connecting column.
Detailed Description
For clearly and completely describing the technical scheme and the specific working process thereof, the specific implementation mode of the invention is as follows by combining the attached drawings of the specification:
as shown in figures 1, 2 and 3, the invention discloses a size-adjustable tube furnace porcelain boat clamp which comprises a hollow rod 1, a fixed clamping piece 2, a movable clamping piece 3, a pull rod 4, a crack nut 5 and a tension spring 6. Wherein, decide clamping piece 2 and press from both sides the dress through crack nut 5 and fix the tip at cavity pole 1, move clamping piece 3 and decide clamping piece 2 and set up with the same one end at cavity pole 1 with supporting, and move clamping piece 3 and pass crack nut 5 and be connected with pull rod 4 in the cavity pole 1 through the extension spring 6 in the cavity pole 1, it has the draw-in groove to open on the afterbody lateral wall of cavity pole 1, and the afterbody joint of pull rod 4 realizes relatively fixed in the draw-in groove of cavity pole 1.
The concrete composition structure and connection relationship of the tube furnace porcelain boat clamp of the invention will be further elaborated below:
as shown in fig. 1, fig. 3 and fig. 5, the hollow shaft 1 is composed of a shaft body 101 and a connecting column 102, the shaft body 101 is of a hollow long round bar structure, the length of the shaft body 101 is 1 meter, and the bottom of the tail end of the shaft body 101 with the diameter of 10 mm at the excircle of the shaft body 101 is of a closed structure; a slender strip-shaped sliding hole is formed in the outer side wall of the tail end of the rod body 101 along the axial direction, and nine limiting clamping grooves are uniformly formed in the side face of the sliding hole along the length direction of the sliding hole; scale marks with the measuring range of 0-100 cm are arranged on the outer side wall of the rod body 101 in a spraying or scribing mode, and the scale marks are used for controlling sample feeding distance and position and ensuring that the porcelain boat is accurately fed to the center of a tubular furnace temperature area; the connecting column 102 is coaxially arranged at the head end of the shaft body 101, the connecting column 102 is of a hollow cylindrical structure, the outer circle diameter of the connecting column 102 is smaller than that of the shaft body 101, a stepped shaft shoulder is formed between the shaft body 101 and the connecting column 102, and external threads are machined on the outer circle side face of the connecting column 102.
As shown in fig. 4, the cap opening end and the cap body inner cavity structure of the crack nut 5 are matched with the outer contour structure of the connecting column 102 of the hollow rod 1, the side wall of the cap body inner cavity of the crack nut 5 is processed with internal threads and is matched and connected with the external threads of the connecting column 102, and when the crack nut 5 is completely screwed on the connecting column 102, the crack between the cap opening end surface of the crack nut 5 and the shaft shoulder end surface formed between the connecting column 102 and the rod body 101 is 0.5 mm; the top end of the crack nut 5 is provided with a thin strip-shaped hole for the movable clamping piece 3 to pass through.
As shown in fig. 1, the pull rod 4 is axially arranged inside the hollow rod 1, the head end of the pull rod 4 is connected with the tail end of the tension spring 6, the tail end of the pull rod 4 is radially bent to form a limiting jaw, and is matched with the slide hole and the limiting clamping groove on the side wall of the tail part of the rod body 101 of the hollow rod 1, when the limiting is not needed, the limiting jaw at the tail end of the pull rod 4 freely slides along the slide hole, and when the limiting is needed, the limiting jaw at the tail end of the pull rod 4 is clamped in the corresponding limiting clamping groove to realize axial limiting; the head end of the tension spring 6 is hooked with the connecting end of the movable clamping piece 3 extending into the hollow rod 1, when the pull rod 4 moves in an axial direction in a pushing and pulling manner, the tension spring 6 drives the movable clamping piece 3 to move back and forth in the axial direction, and the distance between the movable clamping piece 3 and the fixed clamping piece 2 is further adjusted to adapt to clamping of porcelain boats of different sizes, and the porcelain boat clamp for the tube furnace can clamp porcelain boats with the width of 40-120 mm; in addition, after the distance between the movable clamping piece 3 and the fixed clamping piece 2 is relatively fixed, the axial position of the pull rod 4 is continuously adjusted, the clamping force between the movable clamping piece 3 and the fixed clamping piece 2 can be controlled, and the porcelain boat can be firmly and stably clamped.
As shown in fig. 1 and 4, the upper end of the movable clamping piece 3 is a connecting end, the lower end of the movable clamping piece 3 is a clamping end, and the connecting end of the movable clamping piece 3 passes through the thin strip-shaped hole on the cap top of the crack nut 5, extends into the rod body 101 through the connecting column 102 of the hollow rod 1, and is hooked with the head end of the tension spring 6.
As shown in fig. 1, the fixed clip 2 is clamped and fixed at the head end of the hollow rod 1 through the crack nut 5, wherein the upper end of the fixed clip 2 is a connecting end, the lower end of the fixed clip 2 is a clamping end, the connecting end of the fixed clip 2 is circular ring-shaped, the connecting end of the fixed clip 2 is sleeved on the connecting post 102 of the hollow rod 1, and through screwing the crack nut 5 on the connecting post 102, along with the relative screwing of the crack nut 5 and the hollow rod 1, the connecting end of the fixed clip 2 is pressed against the shaft shoulder end face formed between the connecting post 102 and the rod body 101 until being pressed tightly on the shaft shoulder end face to realize the relative fixation with the hollow rod 1.
As shown in fig. 1, the clamping ends of the movable clamping piece 3 and the fixed clamping piece 2 are symmetrically arranged, the clamping ends of the movable clamping piece 3 and the fixed clamping piece 2 are inclined inwards and towards the self direction, so that the outer walls of two sides of the porcelain boat to be clamped are matched and attached, and high-temperature-resistant soft silica gel sleeves 8 are sleeved at the clamping ends of the movable clamping piece 3 and the fixed clamping piece 2, so that the friction force between the movable clamping piece 3 and the fixed clamping piece 2 and the porcelain boat are increased and the abrasion is reduced under the high-temperature condition, and the clamping effect is improved.
In the present embodiment, the hollow rod 1, the fixed clip 2, the movable clip 3, the pull rod 4, the crack nut 5 and the tension spring 6 are made of 304 stainless steel materials, so as to adapt to the daily high temperature and acid-base environment of the laboratory.
The working process of the tube furnace porcelain boat clamp is briefly described as follows:
after the tube furnace porcelain boat clamp is installed and connected, the fixed clamping piece 2 is fixed at the head end of the hollow rod 1, the movable clamping piece 3 freely moves back and forth relative to the fixed clamping piece 2 under the push-pull of the pull rod 4 at the tail end, the distance between the movable clamping piece 3 and the fixed clamping piece 2 is adjusted through the pull rod 4, so that the clamping ends of the movable clamping piece 3 and the fixed clamping piece 2 adapt to the size of a porcelain boat, the clamping force is adjusted through pulling the pull rod 4, so that the porcelain boat can be reliably clamped by the movable clamping piece 3 and the fixed clamping piece 2, after the adjustment is finished, the clamping jaw at the tail end of the pull rod 4 is clamped and limited in the limiting clamping groove of the hollow rod 1, at the moment, the porcelain boat is stably conveyed into the tube furnace through the tube furnace porcelain boat clamp, the stroke of conveying the porcelain boat into the tube furnace is judged through observing a scale mark on the outer side wall of the hollow rod 1 until the porcelain boat is conveyed to the central temperature area of, so that the porcelain boat stably falls into the tube furnace.
Claims (5)
1. The utility model provides a size adjustable tube furnace porcelain boat anchor clamps which characterized in that:
consists of a hollow rod (1), a fixed clamping piece (2), a movable clamping piece (3), a pull rod (4) and a tension spring (6);
decide the head end at well cavity pole (1) in clamping piece (2) are fixed, move clamping piece (3) and decide clamping piece (2) and set up with forming a complete set the same one end in well cavity pole (1), and move clamping piece (3) and pass the head end of well cavity pole (1) and stretch into well cavity pole (1) to extension spring (6) through well cavity pole (1) are connected with the head end of pull rod (4) in well cavity pole (1), and it has a plurality of spacing draw-in grooves to open on the tail end lateral wall of well cavity pole (1), and the tail end of pull rod (4) is realized moving clamping piece (3) and deciding distance and clamping-force between clamping piece (2) and adjust through the spacing draw-in groove cooperation with different positions.
2. The adjustable-size porcelain boat clamp for tube furnaces as claimed in claim 1, wherein:
decide clamping piece (2) and press from both sides the dress through crack nut (5) and fix the head end at well cavity pole (1), crack nut (5) and the head end threaded connection of well cavity pole (1) open at the cap top of crack nut (5) has the bar hole, moves clamping piece (3) and passes stretch into in well cavity pole (1) behind the bar hole.
3. The adjustable-size porcelain boat clamp for tube furnaces as claimed in claim 1, wherein:
move the exposed core symmetry setting of clamping piece (3) and fixed clamping piece (2), and move the exposed core of clamping piece (3) and fixed clamping piece (2) and all inwards and to self direction slope, make the exposed core of movable clamping piece (3) and fixed clamping piece (2) and the porcelain boat both sides outer wall that is by the centre gripping match the laminating, move clamping piece (3) and the exposed core of fixed clamping piece (2) and all overlap soft silica gel cover (8) of high temperature resistance.
4. The adjustable-size porcelain boat clamp for tube furnaces as claimed in claim 1, wherein:
and scale marks are arranged on the outer side wall of the hollow rod (1) to display the position of the porcelain boat sent into the tube furnace.
5. The adjustable-size porcelain boat clamp for tube furnaces as claimed in claim 2, wherein:
the hollow rod (1), the fixed clamping piece (2), the movable clamping piece (3), the pull rod (4), the tension spring (6) and the crack nut (5) are all made of 304 stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911196233.2A CN110814813A (en) | 2019-11-29 | 2019-11-29 | Size-adjustable porcelain boat clamp for tube furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911196233.2A CN110814813A (en) | 2019-11-29 | 2019-11-29 | Size-adjustable porcelain boat clamp for tube furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110814813A true CN110814813A (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911196233.2A Pending CN110814813A (en) | 2019-11-29 | 2019-11-29 | Size-adjustable porcelain boat clamp for tube furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110814813A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5020842A (en) * | 1988-09-02 | 1991-06-04 | Waseda University | Instrument for inoculating bulb scales |
| CN202633545U (en) * | 2012-06-25 | 2012-12-26 | 湖南省电力公司湘潭高压管理所 | Spring compression type grounding wire clamp |
| CN203552577U (en) * | 2013-09-24 | 2014-04-16 | 南方汇通股份有限公司 | Teaching mold of hand catching |
| CN205307138U (en) * | 2015-10-12 | 2016-06-15 | 南京大学医学院附属鼓楼医院 | A blood vessel presss from both sides for forceps holder formula spinal cord injury model |
| CN207312476U (en) * | 2017-05-17 | 2018-05-04 | 陈燕宇 | A kind of bulk building materials blank transport hoist |
-
2019
- 2019-11-29 CN CN201911196233.2A patent/CN110814813A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5020842A (en) * | 1988-09-02 | 1991-06-04 | Waseda University | Instrument for inoculating bulb scales |
| CN202633545U (en) * | 2012-06-25 | 2012-12-26 | 湖南省电力公司湘潭高压管理所 | Spring compression type grounding wire clamp |
| CN203552577U (en) * | 2013-09-24 | 2014-04-16 | 南方汇通股份有限公司 | Teaching mold of hand catching |
| CN205307138U (en) * | 2015-10-12 | 2016-06-15 | 南京大学医学院附属鼓楼医院 | A blood vessel presss from both sides for forceps holder formula spinal cord injury model |
| CN207312476U (en) * | 2017-05-17 | 2018-05-04 | 陈燕宇 | A kind of bulk building materials blank transport hoist |
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Application publication date: 20200221 |
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