CN111673205A - Clamp for inserting internal teeth into heavy truck gear and method for fixing heavy truck gear - Google Patents
Clamp for inserting internal teeth into heavy truck gear and method for fixing heavy truck gear Download PDFInfo
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- CN111673205A CN111673205A CN202010577621.1A CN202010577621A CN111673205A CN 111673205 A CN111673205 A CN 111673205A CN 202010577621 A CN202010577621 A CN 202010577621A CN 111673205 A CN111673205 A CN 111673205A
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- workpiece
- clamp
- tensioning
- heavy truck
- clamp body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/02—Loading, unloading or chucking arrangements for workpieces
- B23F23/06—Chucking arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
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Abstract
The invention relates to a gear internal tooth inserting clamp for a heavy truck, which comprises a clamp body, a positioning rod, a pressing plate and a pulling claw, wherein the clamp body is arranged on a workbench and used for placing a workpiece; the positioning rod comprises a circular positioning table, the circular positioning table is positioned above the clamp body and fixed with the clamp body, and the diameter of the circular positioning table is the same as that of the inner hole of the workpiece; the pull claw comprises two tensioning parts and a connecting part, the tensioning parts are positioned above the clamp body, the connecting part is positioned below the clamp body, the two tensioning parts are arranged oppositely, and the lower end of each tensioning part is connected with the connecting part; the connecting part of the pull claw penetrates through the workbench to be connected with the driving mechanism, and the pull claw can move up and down under the driving of the driving mechanism. The machining quality of the heavy truck gear is ensured; meanwhile, the workpiece is convenient to clamp and disassemble, and the working efficiency of inserting the internal teeth into the gear is improved.
Description
Technical Field
The invention relates to the technical field of gear internal tooth machining, in particular to a heavy truck gear internal tooth inserting clamp and a method for fixing a heavy truck gear by using the same.
Background
In the heavy truck gear machining process, internal tooth insertion treatment needs to be carried out, namely, teeth are machined on an inner ring of the gear, and when the internal tooth insertion treatment is carried out, the heavy truck gear needs to be positioned and fixed. Some clamping apparatus have also appeared at present, but these current clamping apparatus ubiquitous are fixed insecure to the gear, and the clamping with dismantle the problem that the process is wasted time and energy, influence the processingquality and the machining efficiency of heavily blocking the gear.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the fixture for inserting the internal teeth of the heavy truck gear, so that the problem of poor internal tooth processing quality caused by infirm fixation is avoided, and the processing quality of the heavy truck gear is ensured; meanwhile, the workpiece is convenient to clamp and disassemble, and the working efficiency of inserting the internal teeth into the gear is improved.
The invention provides a heavy truck gear internal tooth inserting clamp which comprises a clamp body, a positioning rod, a pressing plate and a pulling claw, wherein the clamp body is arranged on a workbench and used for placing a workpiece;
the positioning rod comprises a circular positioning table, the circular positioning table is positioned above the clamp body and fixed with the clamp body, and the diameter of the circular positioning table is the same as that of the inner hole of the workpiece;
the pull claw comprises two tensioning parts and a connecting part, the tensioning parts are positioned above the clamp body, the connecting part is positioned below the clamp body, the two tensioning parts are arranged oppositely, and the lower end of each tensioning part is connected with the connecting part;
the connecting part of the pull claw penetrates through the workbench to be connected with the driving mechanism, and the pull claw can move up and down under the driving of the driving mechanism.
Preferably, the positioning rod further comprises a guide part, and the guide part penetrates to the lower part of the clamp body along the central axis of the circular positioning table of the positioning rod.
Preferably, the pull claw connecting portion is internally provided with a vertical cavity coaxial with the positioning rod guide portion, and the guide portion of the positioning rod is located in the vertical cavity of the pull claw connecting portion and can move in the vertical cavity. The guide part of the positioning rod can play a role in guiding, so that the connecting part of the pull claw is always coaxial with the axis of the workpiece, and the positioning effect of the workpiece is ensured.
Preferably, the driving mechanism is a hydraulic rod, and the pull claw connecting part is connected with the hydraulic rod through a connecting rod. When the workpiece is required to be compressed, the hydraulic rod is controlled to drive the pull claw to move downwards, the workpiece is compressed, when the workpiece is required to be dismounted after being processed, the hydraulic rod is controlled to drive the pull claw to move upwards, the workpiece is loosened, the workpiece is conveniently clamped and dismounted, and the device is convenient to operate, time-saving and labor-saving.
Preferably, the clamp body includes a fixing portion fixed to the table and a placing portion for placing the workpiece, the placing portion being located higher than the fixing portion, and a moving space for the drawing claw to move up and down is formed below the placing portion.
Preferably, the number of the tension parts of the pull claw is four, and the four tension parts are uniformly distributed by taking the pull claw connecting part as a center.
Preferably, the clamp body is provided with four notches through which the tensioning parts of the pulling claws penetrate, and the four notches correspond to the four tensioning parts of the pulling claws one to one.
Preferably, the pressing plate is an annular plate, notches for the tensioning portions of the pulling claws to pass through are formed in the annular plate, and the notches correspond to the tensioning portions of the pulling claws one to one.
The invention provides a method for fixing a heavy truck gear by using the clamp, which comprises the following steps: placing a workpiece on the fixture body, and placing the circular positioning table in the inner hole of the workpiece to position the workpiece in the horizontal direction; then the pressing plate is placed on the workpiece, the driving mechanism is started, the pull claw moves downwards, the pressing plate is tensioned through the pull claw tensioning portion, and the pressing plate presses the workpiece to enable the workpiece to be positioned in the vertical direction.
The invention has the beneficial effects that:
the positioning device is simple in structure and convenient to operate, can realize the positioning of a workpiece in the horizontal direction and the vertical direction, realizes the firm fixation of the workpiece, is convenient for the processing of the internal teeth of the heavy truck gear, avoids the problem of poor internal tooth processing quality caused by the infirm fixation, and ensures the gear processing quality; meanwhile, the workpiece is convenient to clamp and disassemble, and the working efficiency of inserting the internal teeth into the gear is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic longitudinal sectional view of the present invention;
FIG. 3 is a schematic structural view of the pull tab of the present invention;
FIG. 4 is a schematic structural view of a positioning rod of the present invention;
FIG. 5 is a schematic structural view of a clamp body according to the present invention;
FIG. 6 is a schematic view of the structure of the platen of the present invention.
Shown in the figure:
1. the clamping device comprises a workbench, 2, a clamp body, 3, a positioning rod, 4, a workpiece, 5, a pressing plate, 6, a pulling claw, 7, a connecting rod, 21, a fixing part, 22, a placing part, 23, a notch, 31, a circular positioning table, 32, a guide part, 51, a notch, 61, a tensioning part, 62 and a connecting part.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in fig. 1 and 2, the present invention includes a clamp body 2 mounted on a table 1 for placing a workpiece 4, a positioning rod 3 mounted on the clamp body 2, a pressing plate 5 placed on the workpiece 4, and a pulling claw 6 for pulling the pressing plate 5.
As shown in fig. 4, the positioning rod 3 includes a circular positioning table 31 and a guide portion 32, the circular positioning table 31 is located above the fixture body 2 and fixed to the fixture body 2, the guide portion 32 penetrates below the fixture body 2 along a central axis of the circular positioning table 31, the diameter of the circular positioning table 31 is the same as the diameter of an inner hole of the workpiece 4, when the workpiece 4 is placed, the circular positioning table 31 is placed in the inner hole of the workpiece 4, so that the positioning of the workpiece 4 in the horizontal direction can be realized, and the workpiece 4 is prevented from moving in the horizontal direction. In the present embodiment, the circular positioning table 31 and the clamp body 2 are fixed by bolts.
As shown in fig. 3, the pulling claw 6 includes two tensioning portions 61 located above the clamp body 2 and two connecting portions 62 located below the clamp body 2, the tensioning portions 61 are arranged in opposite directions, the lower end of each tensioning portion 61 is connected with the connecting portion 62, a vertical cavity coaxial with the guide portion 32 of the positioning rod 3 is arranged inside the connecting portion 62, and the guide portion 32 of the positioning rod 3 is located in the vertical cavity of the connecting portion 62 of the pulling claw 6 and can move in the vertical cavity. The guide part 32 of the positioning rod 3 can play a role in guiding, so that the connecting part 62 of the pull claw 6 is always coaxial with the axis of the workpiece 4, and the positioning effect of the workpiece 4 is ensured.
Draw claw 6 connecting portion 62 to pass workstation 1 and be connected with actuating mechanism, draw claw 6 and can reciprocate through actuating mechanism drive, in this embodiment, actuating mechanism is the hydraulic stem, draws claw 6 connecting portion 62 to be connected with the hydraulic stem through connecting rod 7, draw claw 6 connecting portion 62 and connecting rod 7 to pass through bolted connection. When needs compress tightly work piece 4, the control hydraulic stem makes the hydraulic stem drive and draws claw 6 downstream, realizes compressing tightly work piece 4, finishes when needing to lift off when work piece 4 processing, and the control hydraulic stem makes the hydraulic stem drive and draws claw 6 upward movement, loosens work piece 4, makes things convenient for the clamping and the dismantlement of work piece 4, convenient operation, labour saving and time saving.
As shown in fig. 5, the gripper body 2 includes a fixing portion 21 fixed to the table 1 and a placing portion 22 for placing the workpiece 4, the placing portion 22 is located higher than the fixing portion 21, and a moving space for the pulling claw 6 to move up and down is formed below the placing portion 22.
In this embodiment, the number of the tensioning portions 61 of the pulling claw 6 is four, the four tensioning portions 61 are uniformly distributed around the connecting portion 62 of the pulling claw 6, four notches 23 for the tensioning portions 61 of the pulling claw 6 to pass through are formed in the clamp body 2, and the four notches 23 correspond to the four tensioning portions 61 of the pulling claw 6 one by one.
As shown in fig. 6, the pressing plate 5 is an annular plate, and the annular plate is provided with notches 51 through which the tensioning portions 61 of the pulling claws 6 pass, and the notches 51 correspond to the tensioning portions 61 of the pulling claws 6 one by one.
During specific work, place work piece 4 on the anchor clamps body 2, circular location platform 31 is placed in work piece 4 downthehole, can realize the location of 4 horizontal directions of work piece, with the breach 51 one-to-one on the clamp plate 5 with draw 6 taut portions 61 of claw and aim at, then place clamp plate 5 on work piece 4, then rotate clamp plate 5, make the breach 51 on the clamp plate 5 no longer with draw 6 taut portions 61 of claw and aim at, start actuating mechanism, make and draw 6 downstream of claw, through drawing 6 taut portions 61 of claw 5 and tensioning clamp plate 5, thereby make clamp plate 5 compress tightly work piece 4, realize the ascending location of 4 vertical directions of work piece.
The positioning device is simple in structure and convenient to operate, can realize the positioning of the workpiece 4 in the horizontal direction and the vertical direction, realizes the firm fixation of the workpiece 4, is convenient for the internal tooth insertion processing of the heavy truck gear, avoids the problem of poor internal tooth processing quality caused by the infirm fixation, and ensures the gear processing quality; meanwhile, the workpiece 4 is convenient to clamp and disassemble, and the working efficiency of gear internal tooth insertion is improved.
Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.
Claims (9)
1. Heavily block gear insert internal tooth anchor clamps, its characterized in that: the clamping device comprises a clamp body arranged on a workbench and used for placing a workpiece, a positioning rod arranged on the clamp body, a pressing plate arranged on the workpiece and a pull claw used for tensioning the pressing plate;
the positioning rod comprises a circular positioning table, the circular positioning table is positioned above the clamp body and fixed with the clamp body, and the diameter of the circular positioning table is the same as that of the inner hole of the workpiece;
the pull claw comprises two tensioning parts and a connecting part, the tensioning parts are positioned above the clamp body, the connecting part is positioned below the clamp body, the two tensioning parts are arranged oppositely, and the lower end of each tensioning part is connected with the connecting part;
the connecting part of the pull claw penetrates through the workbench to be connected with the driving mechanism, and the pull claw can move up and down under the driving of the driving mechanism.
2. The gear internal-tooth-insertion clamp for the heavy truck according to claim 1, wherein: the locating lever still includes the guide part, the guide part passes to the anchor clamps body below along the axis of the circular location platform of locating lever.
3. The gear internal-tooth-insertion clamp for the heavy truck according to claim 2, wherein: draw claw connecting portion inside to set up the coaxial vertical cavity with locating lever guide part, the guide part of locating lever is located the vertical cavity of drawing claw connecting portion and can remove in vertical cavity.
4. The gear internal-tooth-insertion clamp for the heavy truck according to claim 1, wherein: the driving mechanism is a hydraulic rod, and the pull claw connecting part is connected with the hydraulic rod through a connecting rod.
5. The gear internal-tooth-insertion clamp for the heavy truck according to claim 1, wherein: the clamp body comprises a fixing portion fixed with the workbench and a placing portion used for placing a workpiece, the placing portion is higher than the fixing portion, and a moving space for the drawing claw to move up and down is formed below the placing portion.
6. The gear internal-tooth-insertion clamp for the heavy truck according to claim 1, wherein: the four tensioning portions of the pull claw are uniformly distributed by taking the pull claw connecting portion as the center.
7. The gear internal-tooth-insertion clamp for the heavy truck according to claim 6, wherein: the clamp body is provided with four notches for the tensioning parts of the pulling claws to penetrate through, and the four notches correspond to the four tensioning parts of the pulling claws one to one.
8. The gear internal-tooth-insertion clamp for the heavy truck according to claim 1, wherein: the pressing plate is an annular plate, notches for the tensioning portions of the pulling claws to pass through are formed in the annular plate, and the notches correspond to the tensioning portions of the pulling claws one to one.
9. A method of securing a heavy truck gear using the clamp of any one of claims 1 to 8, comprising the steps of: placing a workpiece on the fixture body, and placing the circular positioning table in the inner hole of the workpiece to position the workpiece in the horizontal direction; then the pressing plate is placed on the workpiece, the driving mechanism is started, the pull claw moves downwards, the pressing plate is tensioned through the pull claw tensioning portion, and the pressing plate presses the workpiece to enable the workpiece to be positioned in the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010577621.1A CN111673205A (en) | 2020-06-23 | 2020-06-23 | Clamp for inserting internal teeth into heavy truck gear and method for fixing heavy truck gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010577621.1A CN111673205A (en) | 2020-06-23 | 2020-06-23 | Clamp for inserting internal teeth into heavy truck gear and method for fixing heavy truck gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111673205A true CN111673205A (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010577621.1A Pending CN111673205A (en) | 2020-06-23 | 2020-06-23 | Clamp for inserting internal teeth into heavy truck gear and method for fixing heavy truck gear |
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|---|---|
| CN (1) | CN111673205A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117381071A (en) * | 2023-12-12 | 2024-01-12 | 常州市南方驱动技术有限公司 | Numerical control internal tooth grinding machine and use method thereof |
-
2020
- 2020-06-23 CN CN202010577621.1A patent/CN111673205A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117381071A (en) * | 2023-12-12 | 2024-01-12 | 常州市南方驱动技术有限公司 | Numerical control internal tooth grinding machine and use method thereof |
| CN117381071B (en) * | 2023-12-12 | 2024-02-06 | 常州市南方驱动技术有限公司 | Numerical control internal tooth grinding machine and use method thereof |
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