CN216178707U - Boring clamp capable of stably clamping connecting rod - Google Patents
Boring clamp capable of stably clamping connecting rod Download PDFInfo
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- CN216178707U CN216178707U CN202122486373.2U CN202122486373U CN216178707U CN 216178707 U CN216178707 U CN 216178707U CN 202122486373 U CN202122486373 U CN 202122486373U CN 216178707 U CN216178707 U CN 216178707U
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- 238000003825 pressing Methods 0.000 claims abstract description 69
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model provides a boring clamp capable of stably clamping a connecting rod, which comprises a bottom plate, a pressing plate driving mechanism, a locking bracket and a bracket driving mechanism, wherein the bottom plate is provided with a plurality of holes; the pressing plate and the bottom plate are parallel and arranged at intervals, a plurality of guide pin shafts are arranged between the bottom plate and the pressing plate, and the pressing plate driving mechanism is used for driving the pressing plate to move; the top end surface of the bottom plate and the bottom end surface of the pressing plate are respectively provided with at least three positioning pressure points, and the pressing plates are opposite to the positioning pressure points on the bottom plate one by one; at least two positioning pressure points on the pressure plate are used for abutting against the top end surface of the end of the connecting rod crankshaft hole, and at least one positioning pressure point is used for abutting against the top end surface of the end of the connecting rod piston pin hole; a plurality of positioning mechanisms are arranged on the bottom plate; the locking support is arranged at the top end of the bottom plate in a horizontally movable mode, and the support driving mechanism is used for driving the locking support to move. The clamp disclosed by the utility model is respectively provided with clamping and locking acting forces in the vertical direction and the horizontal direction to restrain the connecting rod, so that the connecting rod can be stably clamped, and the processing quality of the connecting rod is ensured.
Description
Technical Field
The utility model belongs to the technical field of mechanical equipment, and particularly relates to a boring clamp capable of stably clamping a connecting rod.
Background
In the connecting rod machining process, a boring clamp is required to clamp and fix the connecting rod. The publication number CN212240170U proposes a boring fixture for processing a connecting rod, where a space for clamping the connecting rod is provided between a pressing plate and a bottom plate, and a plurality of positioning pressure points are provided on both the pressing plate and the bottom plate, and the positioning pressure points are used to contact with the connecting rod and clamp the connecting rod, but the boring fixture only considers the clamping and locking action force in the vertical direction when clamping the connecting rod, and ignores the horizontal movement tendency of the connecting rod in the horizontal direction, if there is no constraint of the clamping and locking action force in the horizontal direction, the connecting rod may shift in the horizontal direction, and further the connecting rod is separated from the positioning pressure points, so that the connecting rod is loosened, and the continuous processing of the connecting rod is affected.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems, the utility model provides a boring clamp capable of stably clamping a connecting rod, wherein clamping locking acting forces are respectively arranged in the vertical direction and the horizontal direction of the clamp to restrain the connecting rod, so that the connecting rod is prevented from being deviated in the vertical direction and the horizontal direction in the processing process of the connecting rod, the connecting rod can be stably clamped, and the processing quality of the connecting rod is ensured.
The utility model is realized by the following technical scheme:
a boring clamp capable of stably clamping a connecting rod comprises a bottom plate, a pressing plate driving mechanism, a locking support and a support driving mechanism;
the pressing plate and the bottom plate are parallel and arranged at intervals, a space for clamping the connecting rod is formed between the pressing plate and the bottom plate, a plurality of guide pin shafts are arranged between the bottom plate and the pressing plate, the pressing plate can move along the guide pin shafts, the pressing plate driving mechanism is used for driving the pressing plate to move along the guide pin shafts and applying a pressing action force to the pressing plate in the vertical direction, specifically, the plurality of guide pin shafts are fixedly arranged on the bottom plate, and a plurality of pin holes which are convenient for the plurality of guide pin shafts to penetrate through are formed in the pressing plate;
the top end surface of the bottom plate and the bottom end surface of the pressing plate are respectively provided with at least three positioning pressure points, and the pressing plate is opposite to the positioning pressure points on the bottom plate one by one, specifically, the one-to-one correspondence means that the positioning pressure points on the bottom plate and the positioning pressure points on the pressing plate are coaxial one by one, and the positioning pressure points are in a columnar structure; the connecting rod is clamped between the bottom plate and the positioning pressure points of the pressure plate, at least two positioning pressure points on the pressure plate are used for abutting against the top end surface of the connecting rod crankshaft hole end, at least one positioning pressure point is used for abutting against the top end surface of the connecting rod piston pin hole end, at least two positioning pressure points on the bottom plate are used for abutting against the bottom end surface of the connecting rod crankshaft hole end, and at least one positioning pressure point is used for abutting against the bottom end surface of the connecting rod piston pin hole end; in the processing process of the connecting rod, clamping and locking acting force in the vertical direction is applied through at least three positioning pressure points respectively arranged on the top surface and the bottom surface of the connecting rod, so that stress balance between a crankshaft hole and a piston pin hole can be ensured, and the connecting rod is locked and fixed in the vertical direction;
the bottom plate is provided with a plurality of positioning mechanisms, and the plurality of positioning mechanisms can facilitate positioning and installation of the connecting rod, so that the accuracy of the installation position of the connecting rod is improved; specifically, the positioning mechanism comprises a positioning base and a positioning screw rod arranged on the positioning base, the positioning screw rod can adjust the position on the positioning base, and the positioning screw rod abuts against the connecting rod to position the connecting rod; the locking support is arranged at the top end of the bottom plate in a horizontally movable mode, and the support driving mechanism is used for driving the locking support to move in the horizontal direction and applying a horizontal pressing acting force to the connecting rod through the locking support; when the connecting rod is arranged between the pressing plate and the bottom plate, the locking support and the plurality of positioning mechanisms are distributed on the outer side of the connecting rod and are in contact with the connecting rod from the outer side of the connecting rod to tightly abut against the connecting rod, so that horizontal direction constraint is formed, and the connecting rod is prevented from deviating in the horizontal direction; it should be noted that the vertical direction refers to the direction along the axis of the guide pin, and the horizontal direction refers to the direction along the cross section of the guide pin.
Further limiting, two through holes corresponding to the connecting rod crankshaft hole and the piston pin hole are formed in the bottom plate, and therefore the connecting rod can be conveniently machined.
Further inject, every it is equipped with the spring respectively to divide equally on the guide pin axle, and the spring is between bottom plate and clamp plate, and the both ends of spring offset with bottom plate and clamp plate respectively, and when clamp plate actuating mechanism unloaded the power, the clamp plate can keep away from the bottom plate under the spring action, can be convenient for install the connecting rod between clamp plate and bottom plate.
Further defined, the platen drive mechanism includes a first cylinder, a pivoting support, and a rotating slat; the top end face of the pressure plate is provided with a centroid pressure point, the centroid pressure point is the centroid of the connecting rod, and when the connecting rod is clamped between the bottom plate and the pressure plate, the centroid pressure point is opposite to the centroid of the connecting rod; the hinged support is fixedly arranged on the top end face of the bottom plate, the middle part of the rotating slat is hinged with the hinged support, a piston rod of the first air cylinder abuts against the bottom end face of one end of the rotating slat, and the bottom end face of the other end of the rotating slat abuts against the mass center pressure point; the piston rod of first cylinder extends and promotes and rotates the slat, rotates the other end of slat and offsets and promote the clamp plate to be close to along guide pin axial bottom plate with the barycenter pressure point, and a plurality of location pressure points on the bottom plate and a plurality of location pressure points on the clamp plate offset and press from both sides the connecting rod tightly respectively with the connecting rod.
Further limiting, the centroid pressing point and the contact end of the rotating strip plate are spherical surfaces, the structure can facilitate automatic adjustment of the force application point, and the rotating strip plate can be ensured to uniformly apply pressure to the pressing plate.
Further defined, the bracket driving mechanism comprises a second air cylinder, a connecting support and a Z-shaped push rod; the locking bracket is Y-shaped; the connecting support is fixedly arranged on the bottom plate, one end of the Z-shaped push rod is connected with a piston rod of the second air cylinder, one end of the locking support penetrates through the connecting support along the horizontal direction and is connected with the other end of the Z-shaped push rod, the locking support is connected with the connecting support in a sliding mode, and spherical pressure points are respectively arranged at the other two ends of the locking support; when the clamping device is used for machining, the connecting rod is arranged between the pressing plate and the bottom plate and is pressed tightly by the pressing plate, the piston rod of the second air cylinder extends and pushes the Z-shaped push rod, the Z-shaped push rod drives the Y-shaped locking support to approach the connecting rod, two spherical pressure points arranged on the locking support are respectively contacted with the side wall of the connecting rod, and pressing force is applied by the second air cylinder, so that the Y-shaped locking support is matched with the plurality of positioning mechanisms to tightly fix the connecting rod, horizontal constraint is formed, and the connecting rod is prevented from being deviated.
According to the technical scheme, the boring clamp capable of stably clamping the connecting rod has the advantages that: this anchor clamps equally divide at vertical direction and horizontal direction and do not set up centre gripping locking effort and retrain the connecting rod, can stabilize the centre gripping connecting rod, can avoid taking place the skew at vertical direction and horizontal direction in the connecting rod course of working, ensure the processingquality of connecting rod.
Drawings
In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view showing a state of clamping a link according to the present invention.
In the drawings: 1-bottom plate, 2-pressing plate, 3-locking bracket, 4-connecting rod, 5-guiding pin shaft, 6-positioning pressure point, 7-positioning mechanism, 8-spring, 9-first cylinder, 10-hinged support, 11-rotating strip plate, 12-barycenter pressure point, 13-second cylinder, 14-connecting support, 15-Z-shaped push rod and 16-spherical pressure point.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
In the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1 to 2, a boring jig capable of stably clamping a connecting rod includes a base plate 1, a pressing plate 2, a pressing plate driving mechanism, a locking bracket 3, and a bracket driving mechanism;
the pressing plate 2 is parallel to the base plate 1 and is arranged at intervals, a space for clamping the connecting rod 4 is formed between the pressing plate 2 and the base plate 1, a plurality of guide pin shafts 5 are arranged between the base plate 1 and the pressing plate 2, the pressing plate 2 can move along the guide pin shafts 5, specifically, the guide pin shafts 5 are fixedly arranged on the base plate 1, and the pressing plate 2 is provided with a plurality of pin holes through which the guide pin shafts 5 can conveniently penetrate;
the pressing plate driving mechanism is used for driving the pressing plate 2 to move along the guide pin shaft 5 and applying a pressing acting force in the vertical direction to the pressing plate 2; in particular, the platen drive mechanism comprises a first cylinder 9, a hinged support 10 and a rotating slat 11; the top end face of the pressure plate 2 is provided with a centroid pressure point 12, the centroid pressure point 12 is the centroid of the connecting rod 4, and when the connecting rod 4 is clamped between the bottom plate 1 and the pressure plate 2, the centroid pressure point 12 is opposite to the centroid of the connecting rod 4; the hinged support 10 is fixedly arranged on the top end face of the bottom plate 1, the middle part of the rotating slat 11 is hinged with the hinged support 10, a piston rod of the first cylinder 9 is abutted against the bottom end face of one end of the rotating slat 11, and the bottom end face of the other end of the rotating slat 11 is abutted against the mass center pressure point 12; a piston rod of the first air cylinder 9 extends and pushes the rotating slat 11 to rotate, the other end of the rotating slat 11 abuts against the mass center pressure point 12 and pushes the pressing plate 2 to approach the bottom plate 1 along the guide pin shaft 5, and the plurality of positioning pressure points 6 on the bottom plate 1 and the plurality of positioning pressure points 6 on the pressing plate 2 abut against the connecting rod 4 respectively and clamp the connecting rod 4;
the top end surface of the bottom plate 1 and the bottom end surface of the pressing plate 2 are respectively provided with at least three positioning pressure points 6, the pressing plate 2 is opposite to the positioning pressure points 6 on the bottom plate 1 one by one, specifically, the one-to-one correspondence means that the positioning pressure points 6 on the bottom plate 1 are coaxial with the positioning pressure points 6 on the pressing plate 2 one by one, and the positioning pressure points 6 are in a columnar structure; the connecting rod 4 is clamped between the bottom plate 1 and the positioning pressure points 6 of the pressure plate 2, at least two positioning pressure points 6 on the pressure plate 2 are used for abutting against the top end surface of the crankshaft hole end of the connecting rod 4, at least one positioning pressure point 6 is used for abutting against the top end surface of the piston pin hole end of the connecting rod 4, at least two positioning pressure points 6 on the bottom plate 1 are used for abutting against the bottom end surface of the crankshaft hole end of the connecting rod 4, and at least one positioning pressure point 6 is used for abutting against the bottom end surface of the piston pin hole end of the connecting rod 4; in the processing process of the connecting rod 4, at least three positioning pressure points 6 respectively arranged on the top surface and the bottom surface of the connecting rod 4 are used for applying clamping and locking acting force in the vertical direction, so that the stress balance between a crankshaft hole and a piston pin hole can be ensured, and the connecting rod 4 is locked and fixed in the vertical direction;
the bottom plate 1 is provided with a plurality of positioning mechanisms 7, the plurality of positioning mechanisms 7 can facilitate the positioning and installation of the connecting rod 4, and the accuracy of the installation position of the connecting rod 4 is improved; specifically, the positioning mechanism 7 comprises a positioning base and a positioning screw rod arranged on the positioning base, the positioning screw rod can adjust the position on the positioning base, and the positioning screw rod abuts against the connecting rod 4 to position the connecting rod 4; the locking support 3 is arranged at the top end of the bottom plate 1 in a horizontally movable mode, and the support driving mechanism is used for driving the locking support 3 to move in the horizontal direction and applying a horizontal pressing acting force to the connecting rod 4 through the locking support 3; specifically, the bracket driving mechanism comprises a second air cylinder 13, a connecting support 14 and a Z-shaped push rod 15; the locking bracket 3 is Y-shaped; the connecting support 14 is fixedly arranged on the bottom plate 1, one end of a Z-shaped push rod 15 is connected with a piston rod of the second air cylinder 13, one end of the locking support 3 penetrates through the connecting support 14 along the horizontal direction and is connected with the other end of the Z-shaped push rod 15, the locking support 3 is connected with the connecting support 14 in a sliding mode, and spherical pressure points 16 are respectively arranged at the other two ends of the locking support 3; during processing, after the connecting rod 4 is arranged between the pressing plate 2 and the bottom plate 1 and is pressed tightly by the pressing plate 2, the piston rod of the second cylinder 13 extends and pushes the Z-shaped push rod 15, the Z-shaped push rod 15 is utilized to drive the Y-shaped locking support 3 to approach the connecting rod 4, two spherical pressure points 16 arranged on the locking support 3 are respectively contacted with the side wall of the connecting rod 4, and the second cylinder 13 applies pressing force to enable the Y-shaped locking support 3 to be matched with the plurality of positioning mechanisms 7 to tightly fix the connecting rod 4, so that horizontal constraint is formed, and the connecting rod 4 is prevented from being deviated.
In this embodiment, the bottom plate 1 is provided with two through holes corresponding to the crankshaft hole and the piston pin hole of the connecting rod 4, so as to facilitate cutting of the connecting rod 4.
In this embodiment, every be equipped with spring 8 on the guide pin 5 respectively, and spring 8 is between bottom plate 1 and clamp plate 2, and the both ends of spring 8 offset with bottom plate 1 and clamp plate 2 respectively, and when clamp plate actuating mechanism unloaded the power, clamp plate 2 can keep away from bottom plate 1 under the effect of spring 8, can be convenient for install connecting rod 4 between clamp plate 2 and bottom plate 1.
In this embodiment, the contact end of the centroid pressing point 12 and the rotating slat 11 is a spherical surface, and this structure can facilitate automatic adjustment of the force application point, and can ensure that the rotating slat 11 applies pressure to the pressing plate 2 uniformly.
The working principle of the embodiment is as follows: when the connecting rod 4 is processed, the connecting rod 4 is clamped between the bottom plate 1 and the pressing plate 2; a piston rod of the first air cylinder 9 extends and pushes the rotating slat 11 to rotate, and the other end of the rotating slat 11 is abutted against the mass center pressure point 12 and pushes the pressing plate 2 to approach the bottom plate 1 along the guide pin shaft 5; three positioning pressure points 6 on the bottom plate 1 and three positioning pressure points 6 on the pressure plate 2 are respectively propped against the connecting rod 4 from two sides; the two sides of the connecting rod 4 are respectively applied with vertical clamping force through the three positioning pressure points 6, so that the stress balance can be ensured when the connecting rod 4 is pressed and clamped; a piston rod of the second cylinder 13 extends and pushes a Z-shaped push rod 15 to move, the Z-shaped push rod 15 drives the Y-shaped locking support 3 to move on the connecting support 14 along the horizontal direction and approach the connecting rod 4, two spherical pressure points 16 installed on the locking support 3 are respectively contacted with the side wall of the connecting rod 4, and the second cylinder 13 applies pressing force to enable the Y-shaped locking support 3 to be matched with the two positioning mechanisms 7 to tightly fix the connecting rod 4 so as to form horizontal constraint and avoid the deviation of the connecting rod 4; this anchor clamps equally divide at vertical direction and horizontal direction and do not set up centre gripping locking effort and retrain connecting rod 4, can stabilize centre gripping connecting rod 4, can ensure in the 4 course of working of connecting rod, the balance of bent axle hole and piston pin hole atress, can ensure not tremble, indeformable when connecting rod 4 receives the cutting force in the 4 course of working of connecting rod, ensure the depth of parallelism and the cylindricity in bent axle hole of connecting rod 4 processing, can effectively improve connecting rod 4 processingquality.
Claims (6)
1. The utility model provides a bore hole anchor clamps of centre gripping connecting rod can stabilize which characterized in that: comprises a bottom plate, a pressing plate driving mechanism, a locking bracket and a bracket driving mechanism;
the pressing plate and the bottom plate are parallel and arranged at intervals, a space for clamping the connecting rod is formed between the pressing plate and the bottom plate, a plurality of guide pin shafts are arranged between the bottom plate and the pressing plate, and the pressing plate driving mechanism is used for driving the pressing plate to move along the guide pin shafts and applying a pressing acting force in the vertical direction to the pressing plate;
the top end surface of the bottom plate and the bottom end surface of the pressing plate are respectively provided with at least three positioning pressure points, and the pressing plates are opposite to the positioning pressure points on the bottom plate one by one; the connecting rod is clamped between the bottom plate and the positioning pressure points of the pressure plate, at least two positioning pressure points on the pressure plate are used for abutting against the top end surface of the connecting rod crankshaft hole end, at least one positioning pressure point is used for abutting against the top end surface of the connecting rod piston pin hole end, at least two positioning pressure points on the bottom plate are used for abutting against the bottom end surface of the connecting rod crankshaft hole end, and at least one positioning pressure point is used for abutting against the bottom end surface of the connecting rod piston pin hole end;
a plurality of positioning mechanisms are arranged on the bottom plate; the locking support is arranged at the top end of the bottom plate in a horizontally movable mode, and the support driving mechanism is used for driving the locking support to move in the horizontal direction and applying a horizontal pressing acting force to the connecting rod through the locking support.
2. A boring jig capable of stably clamping a connecting rod according to claim 1, wherein: and the bottom plate is provided with two through holes corresponding to the connecting rod crankshaft hole and the piston pin hole respectively.
3. A boring jig capable of stably clamping a connecting rod according to claim 1, wherein: each guide pin shaft is sleeved with a spring, the spring is arranged between the bottom plate and the pressing plate, and two ends of the spring are abutted to the bottom plate and the pressing plate respectively.
4. A boring jig capable of stably clamping a connecting rod according to any one of claims 1 to 3, wherein: the pressure plate driving mechanism comprises a first cylinder, a hinged support and a rotating strip plate; the top end surface of the pressure plate is provided with a mass center pressure point; the hinged support is fixedly installed on the top end face of the bottom plate, the middle of the rotating batten is hinged to the hinged support, a piston rod of the first air cylinder abuts against the bottom end face of one end of the rotating batten, and the bottom end face of the other end of the rotating batten abuts against the mass center pressure point.
5. A boring clamp capable of stably clamping a connecting rod according to claim 4, wherein: the centroid pressing point and the contact end of the rotating strip plate form a spherical surface.
6. A boring jig capable of stably clamping a connecting rod according to claim 1, wherein: the bracket driving mechanism comprises a second cylinder, a connecting support and a Z-shaped push rod; the locking bracket is Y-shaped; connecting support fixed mounting is on the bottom plate, and the one end of Z type push rod links to each other with the piston rod of second cylinder, and the one end of locking support is continuous with the other end of Z type push rod along horizontal direction through connection support, locking support and connecting support sliding connection, and the other both ends of locking support are equallyd divide and are do not installed spherical pressure point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122486373.2U CN216178707U (en) | 2021-10-15 | 2021-10-15 | Boring clamp capable of stably clamping connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122486373.2U CN216178707U (en) | 2021-10-15 | 2021-10-15 | Boring clamp capable of stably clamping connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216178707U true CN216178707U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122486373.2U Active CN216178707U (en) | 2021-10-15 | 2021-10-15 | Boring clamp capable of stably clamping connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216178707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115070465A (en) * | 2022-07-07 | 2022-09-20 | 安庆中船动力配套有限公司 | Connecting rod multi-station composite tool capable of improving machining efficiency |
-
2021
- 2021-10-15 CN CN202122486373.2U patent/CN216178707U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115070465A (en) * | 2022-07-07 | 2022-09-20 | 安庆中船动力配套有限公司 | Connecting rod multi-station composite tool capable of improving machining efficiency |
| CN115070465B (en) * | 2022-07-07 | 2023-09-19 | 安庆中船动力配套有限公司 | Connecting rod multi-station composite tool capable of improving machining efficiency |
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