CN210754752U - Clamping mechanism in expand tube processing - Google Patents
Clamping mechanism in expand tube processing Download PDFInfo
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- CN210754752U CN210754752U CN201921428172.3U CN201921428172U CN210754752U CN 210754752 U CN210754752 U CN 210754752U CN 201921428172 U CN201921428172 U CN 201921428172U CN 210754752 U CN210754752 U CN 210754752U
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- shell
- push rod
- clamping
- connecting block
- clamping mechanism
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Abstract
The utility model discloses a clamping mechanism in the processing of an expanded pipe, which belongs to the field of pipeline processing and comprises a shell; the end parts of the two clamping claws can relatively approach or move away; and the push rod is movably arranged in the shell, one end of the push rod extends to the outside of the shell, and the other end of the push rod can drive the two clamping claws to move. One end of the positioning pin is fixedly arranged in the shell, and the other end of the positioning pin extends to the outside of the shell; a through hole is formed in the positioning pin, and the push rod is movably inserted into the through hole. The push rod is movably arranged in the positioning pin, and only hole positions for installing the positioning pin need to be processed aiming at a processing machine, and hole positions for the push rod to pass through do not need to be processed, so that the number of the hole positions required on the processing machine is reduced, and the cost is reduced.
Description
Technical Field
The utility model relates to a pipeline processing field, especially a fixture in expand tube processing.
Background
As is well known, the conventional pipe processing, especially the processing of the heat dissipation pipe in the heat dissipation fin, usually inserts the U-shaped pipe member into the hole site of the heat dissipation fin, and then extends the rod member into the pipe member to expand the pipe member and swell it. In the processing process, the U-shaped pipe fitting needs to be clamped and fixed. The common clamping jaw mechanism realizes the loosening of the clamping jaws through a connecting rod mechanism. In order to prevent the gripper mechanism from rotating, the gripper mechanism itself needs to be provided with two positioning pins for fixing. Because two locating pins and link mechanism's power pole all need alternate in the machine, consequently need set up three hole site and just can install original clamping jaw mechanism on the instrument of processing, need process more hole site like this undoubtedly, consume the shortcoming of more manpower and materials.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a fixture in the expand tube processing, can reduce the quantity of the hole site that needs processing on the processing machine that is used for fixed fixture.
The embodiment of the utility model provides a for solving its technical problem and the technical scheme who adopts is:
according to the utility model discloses an aspect provides a fixture in expand tube processing, include: a housing; the two clamping claws are respectively hinged with the shell, and the ends of the two clamping claws can relatively approach or relatively depart from each other; the push rod is movably arranged in the shell, one end of the push rod is connected with the two clamping claws, the other end of the push rod extends to the outside of the shell, and the push rod can drive the end parts of the two clamping claws to be relatively close to or relatively far away from each other; one end of the positioning pin is fixedly arranged in the shell, and the other end of the positioning pin extends to the outside of the shell; a through hole is formed in the positioning pin, and the push rod is movably inserted into the through hole.
The clamping mechanism in the pipe expanding processing at least has the following beneficial effects: the push rod is movably arranged in the positioning pin, so that the clamping mechanism can be fixed and the push rod can be ensured to move to the inside of the processing machine only by inserting the positioning pin into the machine. Aiming at the processing machine, only hole positions for installing the positioning pins need to be processed, and hole positions for the push rod to pass through do not need to be processed, so that the hole positions needed on the processing machine are reduced, and the cost is reduced.
According to the utility model discloses the first aspect fixture in the expand tube processing, movable mounting has a connecting block in the shell, the push rod with the connecting block is connected, the connecting block still with two the gripper jaw is connected.
According to the clamping mechanism in the process of processing the expanded pipe, the connecting block is provided with the linkage shaft, and the two clamping claws are provided with the strip-shaped grooves; two the bar groove is arc wall and crooked opposite direction, the universal driving shaft passes two the bar groove.
According to the utility model discloses the first aspect fixture in the expand tube processing, still be provided with canceling release mechanical system on the connecting block. The initial state of the two clamping claws is a clamping state.
According to the clamping mechanism in the process of expanding the tube, the reset mechanism comprises a connecting shaft arranged at the bottom of the connecting block and a spring sleeved on the periphery of the connecting shaft, and a step is arranged at one end of the connecting shaft, which is far away from the connecting block; a connecting channel is arranged in the shell and is communicated with the connecting block and the outside of the shell; and a butting position is arranged in the connecting channel, and two ends of the spring are respectively butted with the step position and the butting position.
According to the utility model discloses the first aspect fixture in the expand tube processing, the connecting axle with the push rod all installs through helicitic texture detachably on the connecting block.
According to the utility model discloses first aspect fixture in the expand tube processing, be provided with the mounting groove that is used for installing the work piece on the shell, be provided with the confession on two relative lateral walls of mounting groove the entry that the gripper jaw passed.
According to the utility model discloses the first aspect fixture in the expand tube processing, be fixed with two through helicitic texture on the shell the locating pin, two locating pins are located respectively the relative both sides of shell, two equal movable mounting has in the locating pin the push rod.
According to the utility model discloses the first aspect fixture in the expand tube processing, the locating pin is kept away from the one end of shell still is provided with the fixed part.
According to the utility model discloses first aspect fixture in the expand tube processing, the fixed part includes the fixed slot, the fixed slot encircles the locating pin sets up to two are used for fixed contact surface about forming.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic isometric view of an embodiment according to the present invention;
fig. 2 is a schematic cross-sectional view of an embodiment according to the present invention;
fig. 3 is a schematic view of the internal structure according to an embodiment of the present invention;
FIG. 4 is an exploded schematic view of the internal structure according to an embodiment of the present invention;
fig. 5 is a schematic view of a locating pin installation according to an embodiment of the present invention.
Fig. 6 is an installation schematic according to an embodiment of the invention.
Fig. 7 is a schematic view of an installation according to the prior art.
Reference numerals: the clamping device comprises a shell 10, a mounting hole 12, an articulated shaft 13, a connecting channel 15, a mounting groove 18, an inlet 19, a push rod 20, a positioning pin 30, a through hole 33, a fixing part 35, a clamping claw 40, an articulated hole 42, a strip-shaped groove 45, a connecting block 50, a connecting shaft 53, a linkage shaft 55, a spring 60, a mounting plate 70 and a connecting hole 72.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 and 2, a clamping mechanism in a pipe expansion process includes: a housing 10; two clamping jaws 40 hinged to the housing 10, respectively, the ends of the two clamping jaws 40 being able to move relatively close to or relatively far away from each other; the push rod 20 is movably arranged in the shell 10, one end of the push rod is connected with the two clamping claws 40, the other end of the push rod extends to the outside of the shell 10, and the push rod 20 can drive the end parts of the two clamping claws 40 to relatively approach or relatively move away; a positioning pin 30 having one end fixedly installed in the housing 10 and the other end extending to the outside of the housing 10; a through hole 33 is arranged in the positioning pin 30, and the push rod 20 is movably inserted in the through hole 33. The push rod 20 is movably installed in the positioning pin 30, so that the fixing of the clamping mechanism and the movement of the push rod 20 into the processing machine can be completed only by inserting the positioning pin 30 into the machine. Only hole sites for installing the positioning pins 30 need to be machined for the machining machine, and hole sites for the push rod 20 to pass through do not need to be machined, so that the number of hole sites required on the machining machine is reduced, and the cost is reduced.
In some embodiments, referring to fig. 2, the housing 10 is provided with a mounting hole 12 penetrating through the interior thereof, and a hinge shaft 13 is movably mounted in the mounting hole 12. The clamping jaw 40 is provided with a hinge hole 42, and the hinge shaft 13 is movably arranged in the hinge hole 42. The two holding claws 40 can rotate about the hinge shaft 13, and when the rotation directions of the two holding claws 40 are opposite, the ends of the two holding claws 40 will be relatively close to or relatively far away from each other.
In some embodiments, referring to fig. 2 and 3, a connecting block 50 is movably installed in the housing 10, the push rod 20 is connected to the connecting block 50, and the connecting block 50 is further connected to the two clamping jaws 40. The connecting block 50 can connect the two clamping jaws 40 and the push rod 20 to ensure that the push rod 20 can bring the ends of the two clamping jaws 40 relatively close to each other or relatively far away from each other.
In some embodiments, referring to fig. 3, the connecting block 50 is provided with a linkage shaft 55, and the two clamping jaws 40 are provided with strip-shaped grooves 45; the two strip-shaped grooves 45 are arc-shaped grooves with opposite bending directions, and the linkage shaft 55 penetrates through the two strip-shaped grooves 45. When the linkage shaft 55 moves, the linkage shaft will simultaneously abut against the side walls of the two strip-shaped grooves 45. Because the strip-shaped groove 45 is an arc-shaped groove, when the linkage shaft 55 moves continuously, power is applied to the side wall of the strip-shaped groove 45, so that the clamping claw 40 is pushed to rotate. Because the bending directions of the two strip-shaped grooves 45 are opposite, the rotating directions of the two clamping claws 40 are also opposite, and the effect that the end parts of the two clamping claws 40 are relatively close to or relatively far away from each other is achieved.
In some embodiments, referring to fig. 2 and 3, a reset mechanism is also provided on the connection block 50. The two clamping jaws 40 are initially in a clamped condition. The reset mechanism is capable of providing an opposite force to the connecting block 50 when the external force is removed, thereby restoring the clamping of the two clamping jaws 40.
In some embodiments, referring to fig. 2, the reset mechanism includes a connecting shaft 53 disposed at the bottom of the connecting block 50 and a spring 60 disposed around the connecting shaft 53, wherein a step is disposed at an end of the connecting shaft 53 away from the connecting block 50; a connecting channel 15 is arranged in the shell 10, and the connecting channel 15 is communicated with the connecting block 50 and the outside of the shell 10; an abutting position is arranged in the connecting channel 15, and two ends of the spring 60 are respectively abutted with the step position and the abutting position. When the connecting block 50 is pulled upward by the push rod 20, it will compress the spring 60. When the external force is removed, the spring 60 will move the step position with the elastic force, so as to drive the connecting block 50 to move downward, and further the clamping jaw 40 will return to the clamping state.
In some embodiments, referring to fig. 2, the connecting shaft 53 and the push rod 20 are detachably mounted on the connecting block 50 by a screw structure. The screw structure allows the connecting shaft 53 and the push rod 20 to be attached to and detached from the connecting block 50 without tools, thereby making maintenance and replacement easier.
In some embodiments, referring to fig. 2, the housing 10 is provided with a mounting groove 18 for mounting a workpiece, and two opposite side walls of the mounting groove 18 are provided with inlets 19 for passing the clamping claws 40. The mounting groove 18 is used for mounting a workpiece. The ends of the two clamping jaws 40 extend through the entrance 19 into the mounting groove 18 and clamp the workpiece.
In some embodiments, only one push rod 20 is disposed within the housing 10. The single push rod 20 minimizes the production costs associated with the push rod 20, thereby further reducing the costs required for the tube expansion process.
In some embodiments, the bottom of the push rod 20 and the two clamping jaws 40 are hinged in a Y-shaped configuration. When the push rod 20 is raised, the upper half of the Y-shaped structure will be spread apart, so that the bottoms of the two clamping claws 40 are relatively far away and the tops are relatively close; when the push rod 20 is lowered, the upper half of the Y-shaped structure will be drawn closer together, causing the bottoms of the two clamping jaws 40 to be relatively close together and the tops to be relatively far apart.
In some embodiments, referring to fig. 2 and 4, two positioning pins 30 are fixed to the housing 10 through a threaded structure, the two positioning pins 30 are respectively located at two opposite sides of the housing 10, and the push rod 20 is movably mounted in each of the two positioning pins 30. Two locating pins 30 form a bilateral location, making the overall fixation more robust and without rotation. The two push rods 20 are installed in the two positioning pins 30 in a one-to-one correspondence, so that a bilateral force can be applied to the connecting block 50, and the force applied to the connecting block 50 is more stable.
Further, referring to fig. 6 and 7, the number of template hole sites required for this embodiment is two-thirds of that of the prior art.
In some embodiments, referring to fig. 4 and 5, the end of the positioning pin 30 away from the housing 10 is further provided with a fixing portion 35. The machine for processing is generally provided with a mounting plate 70 for mounting the clamping mechanism, and the positioning pin 30 can be fixedly mounted on the mounting plate 70 through the fixing portion 35.
In some embodiments, referring to fig. 4 and 5, the fixing portion 35 includes fixing grooves disposed around the positioning pin 30 to form upper and lower contact surfaces for fixing. The mounting plate 70 is provided with a connecting hole 72, the connecting hole 72 is formed by splicing two hole sites, wherein the inner diameter of one hole site is the same as the diameter of the periphery of the positioning pin 30, and the inner diameter of the other hole site is the same as the outer diameter of the fixing part 35. During installation, the positioning pin 30 is installed to the large-diameter part of the connecting hole 72, and then the installation plate 70 is moved, so that the small-diameter part of the connecting hole 72 is abutted to the fixing part 35, and installation can be completed. After the mounting is completed, the two contact surfaces of the fixing portion 35 are respectively abutted against the upper and lower flat surfaces of the mounting plate 70.
In some embodiments, the fixing portion 35 is a bolt, and the mounting plate 70 is provided with a threaded hole.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments or combinations, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. The utility model provides a fixture in expand tube processing which characterized in that includes:
a housing (10);
two clamping jaws (40) respectively hinged with the shell (10), wherein the ends of the two clamping jaws (40) can relatively approach or relatively depart from each other;
the push rod (20) is movably arranged in the shell (10), one end of the push rod is connected with the two clamping claws (40), the other end of the push rod extends to the outside of the shell (10), and the push rod (20) can drive the end parts of the two clamping claws (40) to relatively approach or relatively move away;
one end of the positioning pin (30) is fixedly arranged in the shell (10), and the other end of the positioning pin extends to the outside of the shell (10);
a through hole (33) is formed in the positioning pin (30), and the push rod (20) is movably inserted into the through hole (33).
2. The clamping mechanism in the pipe expanding process according to claim 1, wherein:
a connecting block (50) is movably mounted in the shell (10), the push rod (20) is connected with the connecting block (50), and the connecting block (50) is further connected with the two clamping claws (40).
3. The clamping mechanism in the pipe expanding process according to claim 2, wherein:
a linkage shaft (55) is arranged on the connecting block (50), and strip-shaped grooves (45) are formed in the two clamping claws (40); two bar groove (45) are arc groove and crooked opposite direction, universal driving shaft (55) pass two bar groove (45).
4. The clamping mechanism in the pipe expanding process according to claim 2, wherein:
and a reset mechanism is also arranged on the connecting block (50).
5. The clamping mechanism in the pipe expanding process according to claim 4, wherein:
the reset mechanism comprises a connecting shaft (53) arranged at the bottom of the connecting block (50) and a spring (60) sleeved on the periphery of the connecting shaft (53), and a step position is arranged at one end, far away from the connecting block (50), of the connecting shaft (53);
a connecting channel (15) is arranged in the shell (10), and the connecting channel (15) is communicated with the connecting block (50) and the outside of the shell (10); an abutting position is arranged in the connecting channel (15), and two ends of the spring (60) are respectively abutted to the step position and the abutting position.
6. The clamping mechanism in the pipe expanding process according to claim 5, wherein:
the connecting shaft (53) and the push rod (20) are detachably mounted on the connecting block (50) through thread structures.
7. The clamping mechanism in the pipe expanding process according to claim 1, wherein:
the clamping device is characterized in that a mounting groove (18) for mounting a workpiece is formed in the shell (10), and inlets (19) for the clamping claws (40) to penetrate through are formed in two opposite side walls of the mounting groove (18).
8. The clamping mechanism in the pipe expanding process according to claim 1, wherein:
the shell (10) is fixed with two positioning pins (30) through a thread structure, the two positioning pins (30) are respectively positioned on two opposite sides of the shell (10), and the push rods (20) are movably mounted in the two positioning pins (30).
9. The clamping mechanism in the process of expanding the tube according to claim 8, wherein:
and one end of the positioning pin (30) far away from the shell (10) is also provided with a fixing part (35).
10. The clamping mechanism in the process of expanding the tube according to claim 9, wherein:
the fixing portion (35) comprises a fixing groove which is arranged around the positioning pin (30) to form an upper contact surface and a lower contact surface for fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921428172.3U CN210754752U (en) | 2019-08-29 | 2019-08-29 | Clamping mechanism in expand tube processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921428172.3U CN210754752U (en) | 2019-08-29 | 2019-08-29 | Clamping mechanism in expand tube processing |
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| Publication Number | Publication Date |
|---|---|
| CN210754752U true CN210754752U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921428172.3U Active CN210754752U (en) | 2019-08-29 | 2019-08-29 | Clamping mechanism in expand tube processing |
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| CN (1) | CN210754752U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586778A (en) * | 2019-08-29 | 2019-12-20 | 中山精达特克机械有限公司 | Clamping mechanism in expand tube processing |
| CN110586778B (en) * | 2019-08-29 | 2024-10-22 | 中山精达特克机械有限公司 | Clamping mechanism in tube expansion processing |
-
2019
- 2019-08-29 CN CN201921428172.3U patent/CN210754752U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586778A (en) * | 2019-08-29 | 2019-12-20 | 中山精达特克机械有限公司 | Clamping mechanism in expand tube processing |
| CN110586778B (en) * | 2019-08-29 | 2024-10-22 | 中山精达特克机械有限公司 | Clamping mechanism in tube expansion processing |
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