CN115076487A - Graphite gasket clamp and manufacturing method thereof - Google Patents
Graphite gasket clamp and manufacturing method thereof Download PDFInfo
- Publication number
- CN115076487A CN115076487A CN202210787715.0A CN202210787715A CN115076487A CN 115076487 A CN115076487 A CN 115076487A CN 202210787715 A CN202210787715 A CN 202210787715A CN 115076487 A CN115076487 A CN 115076487A
- Authority
- CN
- China
- Prior art keywords
- outer steel
- steel belt
- head part
- shaped
- graphite gasket
- Prior art date
- 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.)
- Pending
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 51
- 239000010439 graphite Substances 0.000 title claims abstract description 51
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 129
- 239000010959 steel Substances 0.000 claims abstract description 129
- 230000008602 contraction Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 33
- 238000003466 welding Methods 0.000 claims description 25
- 238000005096 rolling process Methods 0.000 claims description 23
- 238000005452 bending Methods 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 15
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 238000003754 machining Methods 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 abstract description 6
- 238000004804 winding Methods 0.000 description 5
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/12—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/102—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/08—Joints with sleeve or socket with additional locking means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
- F16L25/009—Combination of a quick-acting type coupling and a conventional one
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a graphite gasket clamp and a manufacturing method thereof. The graphite gasket clamp comprises an outer steel belt, a T-shaped bolt, a T-shaped trunnion and a self-locking nut; the inner side of the opening position of the outer steel belt is connected with a connecting bridge, one end of the connecting bridge is fixed on the outer steel belt, the other end of the connecting bridge extends out of the opening position and floats along the circumferential direction along with the tightening and contraction of the outer steel belt; the inner side of the outer steel belt is provided with an integral pocket structure, the inner side of the connecting bridge is also provided with an integral pocket structure, and the pocket structure of the outer steel belt is communicated with the pocket structure of the connecting bridge and is internally provided with a graphite gasket. By adopting the technical scheme of the invention, the sealing effect of flange connection is improved, the leakage hidden danger at the joint is greatly reduced, the connection structure is compact, the connection operation is simple and quick, and the flange connection structure is suitable for installation occasions with narrow space.
Description
Technical Field
The invention relates to the technical field of connecting pieces, in particular to a graphite gasket hoop and a manufacturing method thereof.
Background
A conventional pipe end flange connection structure is shown in fig. 1, and includes a flange plate disposed at a pipe end, the flange plate is provided with corresponding screw holes, and after the flange plates corresponding to two pipe ends are aligned (i.e., the screw holes are coaxially aligned), a connecting member (e.g., a bolt and a nut) is inserted through the screw holes to connect the two pipe bodies together. Such a conventional flange coupling structure of pipe ends has the following disadvantages:
1. the connection operation is troublesome and laborious, and the installation time is long.
2. The installation space required for connection is relatively large.
3. The sealing effect of the joint is not good, and if the pipe body is used for conveying harmful media (gas or liquid), the structure is easy to cause the leakage problem at the joint and does not accord with the environmental protection requirement.
Disclosure of Invention
The invention aims to provide a graphite gasket clamp and a manufacturing method thereof, and mainly solves the technical problems of troublesome connecting operation, long installation time, large occupied installation space, poor sealing effect of a joint and the like of a traditional flange connecting structure of a pipe end.
In order to achieve the purpose, the invention adopts the technical scheme that:
a graphite gasket clamp comprises an outer steel belt, a T-shaped bolt, a T-shaped trunnion and a self-locking nut; the method is characterized in that:
the outer steel strip is coiled into a ring shape and provided with an opening, and two ends of the opening are respectively provided with a first head part with a first window hole and a second head part with a second window hole;
the screw part of the T-shaped bolt penetrates through the first window hole of the first head part and limits the head part of the T-shaped bolt in the first head part;
the T-shaped trunnion penetrates through a second window hole of the second head part and limits the head part of the T-shaped trunnion in the second head part;
the screw rod part of the T-shaped bolt can penetrate through the head part of the T-shaped trunnion and penetrate out of the tail part of the T-shaped trunnion, and the penetrating part of the T-shaped bolt is screwed with a self-locking nut;
the inner side of the opening position of the outer steel belt is connected with a connecting bridge, one end of the connecting bridge is fixed on the outer steel belt, the other end of the connecting bridge extends out of the opening position and floats along the circumferential direction along with the tightening and contraction of the outer steel belt;
the inner side of the outer steel belt is provided with an integral pocket structure, the inner side of the connecting bridge is also provided with an integral pocket structure, and the pocket structure of the outer steel belt is communicated with the pocket structure of the connecting bridge and is provided with a graphite gasket in a falling position in the pocket structure.
Graphite gasket clamp, its characterized in that: the tail part of the T-shaped trunnion is provided with a trunnion cap which is provided with a nut supporting surface.
A method of manufacturing a graphite gasket clamp as described above, characterized in that: it comprises the following steps:
a. an outer steel belt (A) stamping and blanking process;
b. bending the head of the outer steel belt (A);
c. an outer steel belt (A) penetrates through a T-shaped bolt (C) and a T-shaped trunnion (D) and is welded;
d. the outer steel belt (A) is rolled and bent to form a ring process;
e. a bridge (B) welding process;
f. a graphite gasket (F) mounting step;
g. and (E) installing a self-locking nut.
The manufacturing method of the graphite gasket hoop is characterized in that: the step a further comprises the following steps:
a1, respectively punching a first window hole of the first head part and a second window hole of the second head part at two ends of the outer steel strip for installing a T-shaped bolt and a T-shaped trunnion in the subsequent process;
a2, respectively processing the two ends of the outer steel strip with required welding convex hulls, wherein the welding convex hulls are used for fixedly forming a first head part and a second head part and limiting the head part of the T-shaped bolt and the head part of the T-shaped trunnion positioned in the window hole.
The manufacturing method of the graphite gasket hoop is characterized in that: the specific operation mode of the step b is as follows:
the bending forming equipment comprises a fixed shaft driven by a fixed cylinder, a rotating shaft driven by a servo motor through a speed reducer, and a positioning block; the fixed shaft and the rotating shaft are oppositely arranged, and the positioning block is positioned at one side of the oppositely arranged fixed shaft and rotating shaft;
during machining, one end of the outer steel belt is abutted against the positioning block and is positioned between the fixed cylinder and the speed reducer; the fixed cylinder is started to push out the fixed shaft, and at the moment, the fixed shaft and the rotating shaft clamp and fix the outer steel belt together; starting a servo motor and driving the rotating shaft to rotate, wherein the fixed shaft does not rotate at the moment, and the rotating shaft rotates for a certain angle along the speed reducer to complete the head bending process of one end of the outer steel belt; then, the other end of the outer steel band is bent in the same manner.
The manufacturing method of the graphite gasket hoop is characterized in that: the specific operation of step c is as follows:
the screw rod part of the T-shaped bolt penetrates through the first window hole, and the head part of the T-shaped bolt is limited in the first window hole; the T-shaped trunnion penetrates through the second window hole, and the head of the T-shaped trunnion is limited in the second window hole; the welding convex hulls which are respectively pre-processed at the two ends of the outer steel belt achieve the purpose of welding through melting the convex hulls, and the welding convex hulls are fixed to form a first head part provided with a T-shaped bolt and a second head part provided with a T-shaped trunnion.
The manufacturing method of the graphite gasket hoop is characterized in that: the specific operation mode of the step d is as follows:
the outer steel strip coiling and bending ring-forming device comprises a fixed shaft, a fixed shaft cylinder, a second coiling shaft, a rotating motor, a first coiling shaft and a pushing cylinder; the fixed shaft cylinder is used for driving the fixed shaft to move horizontally; the rotating motor is used for driving the second rolling shaft to rotate; the pushing cylinder is used for pushing the first rolling shaft to a rolling position;
during operation, the outer steel belt is placed between the first rolling shaft and the second rolling shaft; starting a fixed shaft cylinder, driving the fixed shaft to horizontally move by the fixed shaft cylinder, and fixing the outer steel belt between the fixed shaft and the second rolling shaft; the promotion cylinder starts, promotes first rolling circle axle and moves to the position of curling, and then the rotating electrical machines starts rotatoryly, drives outer steel band and carries forward, and the first rolling circle axle that lies in the position of curling simultaneously continues to press the outer steel band of carrying this position to curl, and the curling of up to accomplishing whole outer steel band is the ring.
The manufacturing method of the graphite gasket hoop is characterized in that:
in the step e, connecting a connecting bridge at the inner side of the opening position of the outer steel belt, wherein one end of the connecting bridge is fixed on the outer steel belt, the other end of the connecting bridge extends out of the opening position and floats along the circumferential direction along with the tightening and contraction of the outer steel belt; meanwhile, the pocket structure of the outer steel belt is required to be communicated with the pocket structure of the connecting bridge.
The manufacturing method of the graphite gasket hoop is characterized in that: and f, installing graphite gaskets in the communicated pocket structures of the outer steel belt and the connecting bridge.
Drawings
Fig. 1 is a schematic structural view of a conventional flange connection structure of pipe ends.
Fig. 2 is a schematic structural view of the graphite gasket clip of the present invention.
Fig. 3 is a schematic structural view of a tightening structure on a graphite gasket clip of the present invention.
FIG. 4 is a schematic view of the T-bolt of the present invention.
Fig. 5 is a schematic structural view of the T-shaped trunnion of the present invention.
Fig. 6 is a schematic structural view of a self-locking nut of the present invention.
Fig. 7 is a schematic structural view of another self-locking nut of the present invention.
FIG. 8 is a schematic view of the bridge structure of the present invention.
Fig. 9 is a schematic view of the state of use of the present invention.
FIG. 10 is a schematic representation of the outer steel band structure processed after step a1 of the method of the present invention.
FIG. 11 is a schematic representation of the outer steel band structure processed after step a2 of the method of the present invention.
FIG. 12 is a schematic view of the bending apparatus in step b of the method of the present invention (before bending).
FIG. 13 is a schematic structural view of the bending and forming apparatus in step b of the method of the present invention (after bending).
FIG. 14 is a graph showing the effect of bending one end of the outer steel strip in step b of the method of the present invention.
FIG. 15 is a schematic structural diagram of the T-shaped bolt C and the T-shaped trunnion installed at two ends of the outer steel strip in step C of the method.
FIG. 16 is a schematic structural view of an apparatus for welding the ends of the outer steel strip in step c of the method of the present invention.
FIG. 17 is a graph showing the effect of welding the ends of the outer steel strip in step c of the method of the present invention.
Fig. 18 is a schematic structural view of an apparatus for bending an outer steel strip into a ring in step d of the method of the present invention.
FIG. 19 is a graph showing the effect of the outer steel strip being wound into a ring after being processed in step d of the method of the present invention.
FIG. 20 is a schematic view of the bridge welding apparatus in step e of the method of the present invention.
Detailed Description
The invention will be further illustrated with reference to specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
As shown in fig. 2-9, the present invention discloses a graphite shim clip that includes an outer steel band A, T type bolt C, T type trunnion D and a self-locking nut E.
The outer steel belt A is bent into a ring shape and is provided with an opening, and the two ends of the opening are respectively provided with a first head A1 with a first window hole and a second head A2 with a second window hole;
the screw portion C2 of the T-bolt C passes through the first window hole of the first head a1 and traps the head C1 of the T-bolt C within the first head a 1;
the T-shaped trunnion D passes through the second window hole of the second head A2 and limits the head D1 of the T-shaped trunnion D in the second head A2;
the screw part C2 of the T-shaped bolt C can pass through the head part D1 of the T-shaped trunnion D and pass out of the tail part D2 of the T-shaped trunnion D, and the passing part of the T-shaped trunnion D is screwed with a self-locking nut E;
the inner side of the opening position of the outer steel belt A is connected with a connecting bridge B, one end of the connecting bridge B is fixed on the outer steel belt A, and the other end of the connecting bridge B extends out of the opening position and floats along the circumferential direction along with the tightening and contraction of the outer steel belt A;
the inner side of the outer steel belt A is provided with an integral pocket structure A3, the inner side of the connecting bridge B is also provided with an integral pocket structure B1, and the pocket structure A3 of the outer steel belt A is communicated with the pocket structure B1 of the connecting bridge B and a graphite gasket F is positioned in the pocket structure.
Referring to fig. 9, the graphite gasket clip of the present invention has the following advantages when used in a joint between a male pipe and a female pipe:
1. and the graphite gasket F is added, so that the sealing effect is better.
2. The internally connected pipes are simple to process and have no special requirements.
3. Because the tubular protrusion connected inside can be processed very small, the installation and the disassembly are more convenient.
4. By adopting an integrated structure, the whole product is not greatly influenced by expansion with heat and contraction with cold of the system, and the residual torque after the product is installed is more stable.
5. According to the invention, the connecting bridge B is added, the thickness of the outer steel belt A can be not limited, the inner side of the connecting bridge B is also provided with an integral pocket structure B1, the pocket structure A3 of the outer steel belt A is communicated with the pocket structure B1 of the connecting bridge B, and the graphite gasket F is positioned in the pocket structure, so that the graphite gasket F and the outer steel belt A are completely connected, and the problem that the graphite gasket at the connecting part of the outer steel belt A deforms greatly to cause the reduction of the sealing effect when the graphite gasket is only arranged on the inner side of the outer steel belt A is solved.
6. In the invention, the integral pocket structure A3 is arranged on the inner side of the outer steel belt A, the integral pocket structure B1 is also arranged on the inner side of the connecting bridge B, and the pocket structure A3 of the outer steel belt A is communicated with the pocket structure B1 of the connecting bridge B, and the graphite gasket F is positioned in the pocket structure, so that the product only needs one layer of outer steel belt, and meanwhile, the product performance can be ensured only by matching the connecting bridge, and the cost is reduced.
Referring further to fig. 4, the head C1 of the T-bolt C is of a cylindrical or semi-cylindrical design that fits tightly and securely with the outer steel band. The connection of the threaded part and the threaded part of the screw part C2, and the connection of the screw part C2 and the head C1 adopt arc transition or taper transition, and the stability of the bolt is improved.
Referring to fig. 5, the T-shaped trunnion D is formed by stamping a plate, and a space is reserved inside the T-shaped head D1, so that the weight of the product is reduced, and the cost is reduced. The tail part D2 is provided with an trunnion cap D3, so that the contact area of the support surface of the self-locking nut E and the T-shaped trunnion D is increased, and the fastening is more stable.
This self-locking nut E chooses for use mechanical locknut, guarantees to export stable fastening force under environment such as vibrations, high low temperature change, guarantees simultaneously that the nut bad phenomenon such as lock appears not. Specifically, a built-in steel sheet nut, or a hexagonal slotted nut as shown in fig. 6, or a three-point (opposite side) pressed nut as shown in fig. 7 may be used.
As shown in fig. 8, which is a bridge B of the present invention, the pocket structure B1 of the bridge B communicates with the pocket structure A3 of the outer steel band a and the graphite shim F is seated in the pocket structure.
1) The connecting bridge B adopts the same pocket structure as the outer steel belt. And designing structures with different radians according to products with different diameters.
2) One end of the connecting bridge B is fixed (in a welding or riveting mode) on the outer steel belt, and the other end floats along the circumferential direction along with tightening and contraction of the steel belt until the head of the bolt is tightened.
3) This bridge pocket structure and steel band closely cooperate, and material thickness is little, prevents that the steel band from strickling the graphite gasket or causing the excessive accumulation of graphite gasket to cause the leakage increase at the shrink tightening in-process.
4) Because the outer steel band leaves the clearance in the tight department of head, increase the bridge piece and make 360 all have steel band parcel graphite gaskets of circumferencial direction for the graphite gasket is hugged closely the cooperation pipe fitting, effectively guarantees to let out leakage quantity and sealing performance.
After understanding the structure and application principle of the graphite gasket hoop, the invention further discloses a manufacturing method of the graphite gasket hoop, which comprises the following steps:
a. an outer steel belt A punching blanking process;
b. bending the head of the outer steel belt A;
c. an outer steel belt A penetrates through a T-shaped bolt C and a T-shaped trunnion D and is welded;
d. the outer steel belt A is rolled and bent to form a ring;
e. welding a connecting bridge B;
f. a graphite gasket F mounting procedure;
g. and E, installing a self-locking nut.
In particular, the method comprises the following steps of,
the step a further comprises:
a1, respectively punching a first window hole of a first head A1 and a second window hole of a second head A2 at two ends of the outer steel strip A for installing a T-shaped bolt C and a T-shaped trunnion D in a subsequent process, as shown in figure 10.
a2, and respectively processing the required welding convex hulls at the two ends of the outer steel band A, as shown in figure 11, wherein the welding convex hulls are used for fixedly forming a first head A1 and a second head A2 and limiting a head C1 of a T-shaped bolt C and a head D1 of a T-shaped trunnion D which are positioned in the window hole. As a preferred structure, the welding convex hull adopts 4-point or more welding, the overall tensile and torsion resistance of the product is more stable, the maximum installation torque of the product can reach 25Nm, and the breaking torque can reach more than 30 Nm; at a mounting torque of 20Nm, the twist resistance is not less than 140 Nm.
The specific operation mode of the step b is as follows:
referring to fig. 12 and 13, a bending and forming device is used in the steps of the method. The bending forming device comprises a fixed shaft 12 driven by a fixed cylinder 11, a rotating shaft 15 driven by a servo motor 13 through a speed reducer 14, and a positioning block 16; the fixed shaft 12 and the rotary shaft 15 are provided opposite to each other, and the positioning block 16 is located on the side of the fixed shaft 12 and the rotary shaft 15 which are provided opposite to each other.
During machining, one end of the outer steel belt A abuts against the positioning block 16 and is positioned between the fixed cylinder 11 and the speed reducer 14; the fixed cylinder 11 is started to push the fixed shaft 12 out, and at the moment, the fixed shaft 12 and the rotating shaft 15 clamp and fix the outer steel belt A together; the servo motor 13 is started to drive the rotating shaft 15 to rotate, at the moment, the fixed shaft 12 does not rotate, after the rotating shaft 15 rotates for a certain angle along the speed reducer 14, the head bending process of one end of the outer steel belt A is completed, and the effect after bending is as shown in figure 14. Then, the other end of the outer steel band a is bent in the same manner.
The specific operation of step c is as follows:
after the two ends of the outer steel belt A are bent and formed in the step b, as shown in fig. 15, a screw part C2 of the T-shaped bolt C penetrates through the first window hole, and a head part C1 of the T-shaped bolt C is limited in the first window hole; the T-shaped trunnion D penetrates through the second window hole, and the head D1 of the T-shaped trunnion D is limited in the second window hole; welding bosses previously machined at both ends of the outer steel band a, respectively, are welded by melting the welding bosses A3 (the machining equipment is shown in fig. 16), and a first head a1 to which the T-bolt C is attached and a second head a2 to which the T-trunnion D is attached are fixedly formed by welding the bosses (the welded effect is shown in fig. 17).
The specific operation mode of the step d is as follows:
in this step d, an external steel band coiling and ring forming device is used. As shown in fig. 18, the outer steel strip winding and ring-forming device includes a fixed shaft 21, a fixed shaft cylinder 22, a second winding round shaft 23, a rotating motor 24, a first winding round shaft 25 and a pushing cylinder 26; the fixed shaft cylinder 22 is used for driving the fixed shaft 21 to move horizontally; the rotating motor 24 is used for driving the second rolling shaft 23 to rotate; the pushing cylinder 26 is used to push the first winding shaft 25 to the winding position.
In operation, the outer steel strip a is placed between the first and second mandrel 25, 23; starting the fixed shaft cylinder 22, driving the fixed shaft 21 to move horizontally by the fixed shaft cylinder 22, and fixing the outer steel belt A between the fixed shaft 21 and the second rolling shaft 23; the pushing cylinder 26 is started to push the first rolling shaft 25 to move to the rolling position, then the rotating motor 24 is started to rotate to drive the outer steel belt A to be conveyed forwards, meanwhile, the first rolling shaft 25 located at the rolling position continuously presses the outer steel belt A conveyed to the position to be rolled and bent until the whole rolling and bending of the outer steel belt A are completed, and the effect is as shown in fig. 19.
In the step e, connecting the inner side of the opening position of the outer steel belt A with a connecting bridge B, wherein one end of the connecting bridge B is fixed on the outer steel belt A, and the other end of the connecting bridge B extends out of the opening position and floats along the circumferential direction along with the tightening and contraction of the outer steel belt A; at the same time, it is also necessary to ensure that pocket structure a3 of outer steel band a communicates with pocket structure B1 of bridge B.
As shown in fig. 20, the welding fixture for the outer steel band and the connecting bridge has a plurality of positioning tables 32 for positioning steel band positioning blocks 31, bolt positioning blocks 33 for positioning T-bolts C, trunnion positioning blocks 34 for positioning T-trunnions D, and clamping cylinders 35 for clamping the steel band.
During operation, the connecting bridge B is placed between the adjacent steel strip positioning blocks 31 of the positioning table 32; then, an annular outer steel belt A is placed on a circumscribed circle position defined by each steel belt positioning block 31 on a positioning table 32, so that the outer steel belt A and the connecting bridge B are well attached, and a T-shaped bolt D and a T-shaped trunnion D are respectively placed in a corresponding bolt positioning block 33 and a corresponding trunnion positioning block 34; then the clamping cylinder 35 is started to fix the product; and finally, after the welding machine is started, gradually welding the outer steel belt A with one end of the connecting bridge B together.
In this step F, graphite shim F was installed in the connected pocket structure a3 of outer steel band a and pocket structure B1 of bridge B.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A graphite gasket clamp comprises an outer steel belt (A), a T-shaped bolt (C), a T-shaped trunnion (D) and a self-locking nut (E); the method is characterized in that:
the outer steel strip (A) is rolled and bent into a ring shape and is provided with an opening, and the two ends of the opening are respectively provided with a first head part (A1) with a first window hole and a second head part (A2) with a second window hole;
the screw part (C2) of the T-shaped bolt (C) passes through the first window hole of the first head part (A1) and limits the head part (C1) of the T-shaped bolt (C) in the first head part (A1);
the T-shaped trunnion (D) passes through the second window hole of the second head part (A2) and limits the head part (D1) of the T-shaped trunnion (D) in the second head part (A2);
the screw part (C2) of the T-shaped bolt (C) can pass through the head (D1) of the T-shaped trunnion (D) and pass out of the tail (D2) of the T-shaped trunnion (D), and the self-locking nut (E) is screwed at the part of the T-shaped trunnion which passes out;
the inner side of the opening position of the outer steel belt (A) is connected with a connecting bridge (B), one end of the connecting bridge (B) is fixed on the outer steel belt (A), the other end of the connecting bridge (B) extends out of the opening position and floats along the circumferential direction along with the tightening and contraction of the outer steel belt (A);
the inner side of the outer steel belt (A) is provided with an integral pocket structure (A3), the inner side of the connecting bridge (B) is also provided with an integral pocket structure (B1), and the pocket structure (A3) of the outer steel belt (A) is communicated with the pocket structure (B1) of the connecting bridge (B) and a graphite gasket (F) is positioned in the pocket structure.
2. The graphite gasket clip of claim 1, wherein: the tail (D2) of the T-shaped trunnion (D) is provided with a trunnion cap (D3), and the trunnion cap (D3) is provided with a nut supporting surface.
3. A method of manufacturing a graphite gasket clamp as claimed in claim 1 or 2, wherein: the method comprises the following steps:
a. an outer steel belt (A) stamping and blanking process;
b. bending the head of the outer steel belt (A);
c. the outer steel belt (A) penetrates through a T-shaped bolt (C) and a T-shaped trunnion (D) and is welded;
d. the outer steel belt (A) is rolled and bent to form a ring process;
e. a bridge (B) welding process;
f. a graphite gasket (F) mounting step;
g. and (E) installing a self-locking nut.
4. The method of manufacturing a graphite gasket clamp of claim 3, wherein: the step a further comprises:
a1, punching a first window hole of a first head part (A1) and a second window hole of a second head part (A2) at two ends of an outer steel strip (A) respectively, and installing a T-shaped bolt (C) and a T-shaped trunnion (D) in a subsequent process;
a2, and respectively processing the two ends of the outer steel strip (A) with required welding convex hulls which are used for fixedly forming a first head part (A1) and a second head part (A2) and limiting the head part (C1) of the T-shaped bolt (C) and the head part (D1) of the T-shaped trunnion (D) which are positioned in the window hole.
5. The method of manufacturing a graphite gasket clamp of claim 4, wherein: the specific operation mode of the step b is as follows:
the bending forming equipment comprises a fixed shaft (12) driven by a fixed cylinder (11), a rotating shaft (15) driven by a servo motor (13) through a speed reducer (14), and a positioning block (16); the fixed shaft (12) and the rotating shaft (15) are oppositely arranged, and the positioning block (16) is positioned at one side of the fixed shaft (12) and the rotating shaft (15) which are oppositely arranged;
during machining, one end of the outer steel belt (A) is abutted against the positioning block (16) and is positioned between the fixed cylinder (11) and the speed reducer (14); the fixed cylinder (11) is started to push out the fixed shaft (12), and at the moment, the fixed shaft (12) and the rotating shaft (15) clamp and fix the outer steel belt (A) together; starting a servo motor (13) and driving a rotating shaft (15) to rotate, wherein the fixed shaft (12) does not rotate at the moment, and after the rotating shaft (15) rotates for a certain angle along a speed reducer (14), the head bending process of one end of the outer steel belt (A) is completed; then, the other end of the outer steel band (A) is bent in the same manner.
6. The method of manufacturing a graphite gasket clamp of claim 5, wherein: the specific operation of step c is as follows:
the screw part (C2) of the T-shaped bolt (C) passes through the first window hole and the head part (C1) of the T-shaped bolt (C) is limited in the first window hole; the T-shaped trunnion (D) penetrates through the second window hole, and the head (D1) of the T-shaped trunnion (D) is limited in the second window hole; welding convex hulls which are respectively processed in advance at two ends of the outer steel strip (A) are melted to achieve the purpose of welding, and the convex hulls are welded and fixed to form a first head part (A1) provided with a T-shaped bolt (C) and a second head part (A2) provided with a T-shaped trunnion (D).
7. The method of manufacturing a graphite gasket clamp of claim 6, wherein: the specific operation mode of the step d is as follows:
the outer steel strip coiling and bending ring-forming device comprises a fixed shaft (21), a fixed shaft cylinder (22), a second coiling round shaft (23), a rotating motor (24), a first coiling round shaft (25) and a pushing cylinder (26); the fixed shaft cylinder (22) is used for driving the fixed shaft (21) to move horizontally; the rotating motor (24) is used for driving the second rolling shaft (23) to rotate; the pushing cylinder (26) is used for pushing the first rolling shaft (25) to a rolling position;
in operation, the outer steel strip (A) is placed between the first rolling shaft (25) and the second rolling shaft (23); starting a fixed shaft cylinder (22), driving the fixed shaft (21) to move horizontally by the fixed shaft cylinder (22), and fixing the outer steel belt (A) between the fixed shaft (21) and a second rolling shaft (23); promote cylinder (26) and start, promote first rolling axle (25) and move to the position of curling, then rotating electrical machines (24) start-up rotation, drive outer steel band (A) and carry forward, and first rolling axle (25) that lie in the position of curling simultaneously continues to press the outer steel band (A) of carrying this position and curls curved, and the book that is up to accomplishing whole outer steel band (A) is curved and is the ring.
8. The method of manufacturing a graphite gasket clamp of claim 7, wherein:
in the step e, connecting a connecting bridge (B) to the inner side of the opening position of the outer steel belt (A), wherein one end of the connecting bridge (B) is fixed on the outer steel belt (A), and the other end of the connecting bridge (B) extends out of the opening position and floats along the circumferential direction along with the tightening and contraction of the outer steel belt (A); at the same time, it is also necessary to ensure that the pocket structure (A3) of the outer steel band (A) communicates with the pocket structure (B1) of the bridge (B).
9. The method of manufacturing a graphite gasket clamp of claim 8, wherein: in the step F, a graphite gasket (F) is arranged in the communicated pocket structure (A3) of the outer steel belt (A) and the pocket structure (B1) of the connecting bridge (B).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210787715.0A CN115076487A (en) | 2022-07-06 | 2022-07-06 | Graphite gasket clamp and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210787715.0A CN115076487A (en) | 2022-07-06 | 2022-07-06 | Graphite gasket clamp and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115076487A true CN115076487A (en) | 2022-09-20 |
Family
ID=83258019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210787715.0A Pending CN115076487A (en) | 2022-07-06 | 2022-07-06 | Graphite gasket clamp and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115076487A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1470357A2 (en) * | 2001-06-29 | 2004-10-27 | BKS Company, L.L.C. | Clamp for joining tubular bodies |
| CN101180492A (en) * | 2005-03-04 | 2008-05-14 | 布雷兹-托卡产品有限责任公司 | T-bolt clamp quick attach latch |
| CN101939581A (en) * | 2008-01-30 | 2011-01-05 | 诺玛美国控股有限责任公司 | Single-bolt band clamp with gasketed center rib and pipe lap joint using the same |
| CN102713396A (en) * | 2010-01-21 | 2012-10-03 | 诺玛美国控股有限责任公司 | Gasketed pipe clamp |
| CN213540980U (en) * | 2020-04-21 | 2021-06-25 | 余姚市恒威卡箍有限公司 | T-shaped clamp convenient and easy to install |
| CN213745404U (en) * | 2020-09-17 | 2021-07-20 | 余姚市恒威卡箍有限公司 | T-shaped clamp with spring |
| CN114483728A (en) * | 2022-01-27 | 2022-05-13 | 乐节慈(昆山)汽车零部件有限公司 | T-bolt clamp with locking groove and manufacturing method and application thereof |
-
2022
- 2022-07-06 CN CN202210787715.0A patent/CN115076487A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1470357A2 (en) * | 2001-06-29 | 2004-10-27 | BKS Company, L.L.C. | Clamp for joining tubular bodies |
| CN101180492A (en) * | 2005-03-04 | 2008-05-14 | 布雷兹-托卡产品有限责任公司 | T-bolt clamp quick attach latch |
| CN101939581A (en) * | 2008-01-30 | 2011-01-05 | 诺玛美国控股有限责任公司 | Single-bolt band clamp with gasketed center rib and pipe lap joint using the same |
| CN102713396A (en) * | 2010-01-21 | 2012-10-03 | 诺玛美国控股有限责任公司 | Gasketed pipe clamp |
| CN213540980U (en) * | 2020-04-21 | 2021-06-25 | 余姚市恒威卡箍有限公司 | T-shaped clamp convenient and easy to install |
| CN213745404U (en) * | 2020-09-17 | 2021-07-20 | 余姚市恒威卡箍有限公司 | T-shaped clamp with spring |
| CN114483728A (en) * | 2022-01-27 | 2022-05-13 | 乐节慈(昆山)汽车零部件有限公司 | T-bolt clamp with locking groove and manufacturing method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4261600A (en) | Pipe coupling for lap joints | |
| US10247491B2 (en) | Process of friction stir welding on tube end joints and a product produced thereby | |
| US4056273A (en) | Coupling for pipe lap joints | |
| EP1039257A4 (en) | Heat exchanger | |
| US5199153A (en) | Method for making a flanged pipe length having a lining of plastic material | |
| CN211779516U (en) | Steel wire pipe bimetal flange connection structure | |
| EP1077788A1 (en) | Internal pipe clamp | |
| CA1173075A (en) | Pipe clamp with improved lugs for retaining end portions of the split band means | |
| CN114483728A (en) | T-bolt clamp with locking groove and manufacturing method and application thereof | |
| CN115076487A (en) | Graphite gasket clamp and manufacturing method thereof | |
| CN110653482B (en) | Friction stir welding rolling supporting structure | |
| CN210849016U (en) | Circular workpiece welding clamping rotating mechanism | |
| CN2466474Y (en) | Pipe joint | |
| CN2247067Y (en) | Force changeable pipe expander | |
| US3964520A (en) | Connection between two inter engaging elements | |
| JPH0390220A (en) | Device for working flang at tube end | |
| JPS6052355B2 (en) | Flange fitting for corrugated metal pipe | |
| CN110666336B (en) | Rolling type inner support system for friction stir welding | |
| CN110788195B (en) | Stainless steel clamping and pressing pipe fitting forming process | |
| CN1184722A (en) | Flexibly rolled double metal bend, method for producing same, device for rolling internal wall thereof | |
| CN218719639U (en) | Steel wave expansion joint | |
| CN206779826U (en) | A kind of large diameter pipeline butt welding anchor ear device | |
| CN87105343A (en) | Welded joint | |
| CN2231584Y (en) | Hydraulic tube expander | |
| CN2069762U (en) | Double-bearing rearward shifting mechanical tube expander for heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |