CN210115635U - Centering and positioning mechanism for multiple workpieces - Google Patents
Centering and positioning mechanism for multiple workpieces Download PDFInfo
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- CN210115635U CN210115635U CN201920772516.6U CN201920772516U CN210115635U CN 210115635 U CN210115635 U CN 210115635U CN 201920772516 U CN201920772516 U CN 201920772516U CN 210115635 U CN210115635 U CN 210115635U
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- rod
- bottom plate
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- 238000003825 pressing Methods 0.000 claims description 37
- 238000003466 welding Methods 0.000 abstract description 5
- 230000004308 accommodation Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 12
- 210000001503 joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a welding jig technical field discloses a centering positioning mechanism for many work pieces, include the bottom plate and set firmly in the positioning and clamping device of bottom plate upper surface, positioning and clamping mechanism including the promotion cylinder that has the piston rod, with piston rod fixed connection's guider and symmetrical arrangement in the bottom plate both sides and be used for compressing tightly the connecting rod of work piece, compress tightly the connecting rod and pass through connecting rod round pin axle and bottom plate fixed connection, it passes through round pin axle fixed connection with guider to compress tightly connecting rod one end, guider is used for making to compress tightly the connecting rod and takes place to rotate round connecting rod round pin axle, compresses tightly connecting rod, connecting rod round pin axle and sets up about the guide bar symmetry, can realize the centering location of work piece, and applicable in not unidimensional work piece, the location is quick, and accommodation is wide, has.
Description
Technical Field
The utility model relates to a welding jig technical field, concretely relates to centering positioning mechanism for many work pieces.
Background
In the engineering machinery industry, some parts are relatively close in structure and external dimensions.
In the prior art, welding fixtures of parts with similar structures and different sizes need to be designed and processed respectively, so that the production cost is increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a centering positioning mechanism for many work pieces drives symmetrical arrangement's the connecting rod that compresses tightly through the guide bar, opens the centering location of the different work pieces of shelves size in realizing, and positioning speed is fast, need not to design many sets of anchor clamps to the centering location of the different parts of structure proximity but size, has reduced manufacturing cost.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model provides a centering positioning mechanism for many work pieces, includes the bottom plate and sets firmly the positioning and clamping mechanism in the bottom plate upper surface, positioning and clamping mechanism including the promotion cylinder that has the piston rod, with piston rod fixed connection's guider and symmetrical arrangement in the bottom plate both sides and be used for compressing tightly the compressing tightly connecting rod of work piece, compressing tightly the connecting rod and passing through connecting rod round pin axle and bottom plate fixed connection, compressing tightly connecting rod one end and guider through round pin axle fixed connection and the other end press to the centering location that the work piece was realized to the work piece, guider is used for making compressing tightly the connecting rod and takes place to rotate round connecting rod round.
Further, guider includes guide bar and auxiliary connecting rod, auxiliary connecting rod one end and guide bar pass through round pin axle fixed connection and the other end and the one end that compresses tightly the connecting rod pass through round pin axle fixed connection.
Furthermore, the guide device is a guide rod, and one end of the pressing connecting rod is fixedly connected with the guide rod through a pin shaft.
Furthermore, the pushing cylinder is arranged at one end of the bottom plate, a guiding and retaining device is fixedly arranged at one end, far away from the pushing cylinder, of the upper surface of the bottom plate, and the guiding and retaining device is used for enabling the guide rod to move along the extending direction or the retracting direction of the piston rod.
Furthermore, the guide retaining device comprises a guide connecting plate fixedly arranged on the bottom plate and a guide block fixedly arranged on the guide connecting plate, wherein a guide limiting cavity used for enabling the guide rod to move along the extending direction or the retracting direction of the piston rod is arranged in the guide block.
Furthermore, one end of the pressing connecting rod, which is far away from the guide rod, is provided with a positioning pressure head.
Further, the cylinder bracket component has set firmly on the bottom plate upper surface, the cylinder bracket component includes the leg joint board, is used for installing the mounting panel of cylinder and is used for the side guard plate of protection piston rod.
Compared with the prior art, the utility model has the advantages that:
1. the pressing connecting rod and the connecting rod pin shaft are symmetrically arranged about the guide rod, the pressing connecting rod is fixedly connected with the bottom plate through the connecting rod pin shaft, when the pressing connecting rod is positioned, the guide device drives the pressing connecting rod to rotate, a positioning pressure head arranged on the pressing connecting rod presses towards a workpiece, centering and positioning of the workpiece can be realized, the pressing connecting rod and the bottom plate are applicable to workpieces of different sizes, positioning is fast, the application range is wide, production efficiency is improved, and production cost is reduced.
2. Be equipped with the side guard plate on cylinder bracket component, can prevent effectively that the welding from splashing and producing the damage to the piston rod, reduced the maintenance cost, improved production efficiency.
Drawings
Fig. 1 is a schematic structural view of the positioning mechanism of the present invention;
FIG. 2 is a schematic structural view of the present invention when centering and positioning the workpiece at position A;
FIG. 3 is a schematic structural view of the present invention when centering and positioning a workpiece at position B;
fig. 4 is a schematic structural view of the utility model when centering and positioning the C-position workpiece.
Detailed Description
A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in FIG. 1, a centering and positioning mechanism for multiple workpieces comprises a base plate 100 and a positioning and clamping mechanism fixedly arranged on the upper surface of the base plate, wherein the positioning and clamping mechanism comprises a pushing cylinder 211 with a piston rod 212, a guide device 220 fixedly connected with the piston rod, and pressing connecting rods 231 symmetrically arranged on two sides of the base plate and used for pressing the workpieces, the pressing connecting rods are fixedly connected with the base plate through connecting rod pins 233, one ends of the pressing connecting rods are fixedly connected with the guide device through pins, the other ends of the pressing connecting rods press against the workpieces to realize centering and positioning of the workpieces, the guide device is used for enabling the pressing connecting rods 231 to rotate around the connecting rod pins, the pressing connecting rods and the connecting rod pins are symmetrically arranged around the guide rods, the pressing connecting rods are fixedly connected with the base plate through the connecting rod pins, and when positioning is carried out, the guide device, the positioning device is suitable for workpieces of different sizes, is quick in positioning and wide in application range, improves the production efficiency and reduces the production cost.
As shown in fig. 1, the guiding device has various embodiments, in this embodiment, the guiding device 220 includes a guiding rod 222 and an auxiliary connecting rod 221, one end of the auxiliary connecting rod is fixedly connected to the guiding rod 222 through a pin, and the other end of the auxiliary connecting rod is fixedly connected to one end of a pressing connecting rod 231 through a pin, when a workpiece needs to be pressed and centered, a piston rod is ejected out to drive the guiding rod to move along the ejection direction of the piston rod, the auxiliary connecting rod fixedly connected to the guiding rod through a pin can rotate relative to the connecting rod, the auxiliary connecting rod drives the pressing connecting rod to rotate around the pin of the connecting rod, so that one end of the pressing connecting rod away from the guiding rod presses against the workpiece, the pressing connecting rod, the auxiliary connecting rod and the pin of the connecting rod are symmetrically arranged relative to the guiding rod, when positioning pressing heads on two sides press against the, the pressing connecting rod can rotate by a larger angle to realize the positioning of a large-size workpiece, the application range is wide, and the production cost is reduced; another embodiment of the guide device: the guide device 220 is a guide rod 222, one end of the pressing connecting rod 231 is fixedly connected with the guide rod 222 through a pin shaft, when a workpiece needs to be pressed and centered, the piston rod is ejected out to drive the guide rod to move along the ejection direction of the piston rod, the guide rod drives the pressing connecting rod to rotate around the pin shaft of the connecting rod, so that the positioning pressing heads press the workpiece, the pressing connecting rod and the pin shaft of the connecting rod are symmetrically arranged relative to the guide rod, when the positioning pressing heads on the two sides press the workpiece, the centering and positioning of the workpiece can be achieved, the positioning is fast and convenient, when the size of the workpiece is increased, the pressing connecting rod can rotate by a larger angle to achieve the positioning of the large-size workpiece.
As shown in fig. 1, a positioning pressure head 232 is disposed at one end of the pressing connecting rod 231, which is far away from the guide rod.
As shown in fig. 1, the pushing cylinder is disposed at one end of the bottom plate, and a guiding and retaining device 230 is fixedly disposed at one end of the top surface of the bottom plate away from the pushing cylinder, and the guiding and retaining device is configured to move the guiding rod 222 along the extending direction or the retracting direction of the piston rod 212, in this embodiment, the guiding and retaining device includes a guiding connecting plate fixedly mounted on the bottom plate, and a guiding block 241 fixedly disposed on the guiding connecting plate, a guiding and limiting cavity is disposed in the guiding block for moving the guiding rod along the extending direction or the retracting direction of the piston rod, the guiding block may be a separate type and symmetrically disposed with respect to the guiding rod, or an integrated type guiding block with a guiding and limiting cavity disposed in the middle, the guiding and retaining device is disposed at one end of the top surface of the bottom plate away from the pushing cylinder, and can add support to the guiding rod to prevent, in the centering process, because the putting of work piece often skew centering position, the location pressure head of both sides is not simultaneously with work piece surface contact when pressing to the work piece, when a location pressure head atress and another location pressure head not atress, the atress of guide bar both sides is uneven, cause the skew leading position of guide bar, and guide bar and piston rod fixed connection, the skew leading position of guide bar is too much, can cause the piston rod crooked, make whole positioning mechanism lose centering locating capability, guider can add the support for the guide bar, prevent the skew leading position of guide bar, can effectively protect the piston rod, avoid frequently changing the cylinder, the production efficiency is improved, and the production cost is reduced.
As shown in fig. 1, the cylinder bracket assembly 210 is fixedly arranged on the upper surface of the base plate, and comprises a bracket connecting plate, a mounting plate 214 for mounting a cylinder and a side protection plate 213 for protecting the piston rod, wherein the side protection plate can effectively prevent the piston rod from being damaged by welding splashing, thereby avoiding frequent replacement of the cylinder, improving the production efficiency and reducing the production cost.
The utility model discloses the theory of operation as follows: when a workpiece needs to be centered, the air cylinder pushes the piston rod to be ejected out, so that the guide rod moves along the ejection direction of the piston rod, the guide rod drives the pressing connecting rod to rotate around the connecting rod pin shaft through the auxiliary connecting rod, finally, the connecting rod pressing head presses the workpieces on two sides, the auxiliary connecting rod, the pressing connecting rod and the connecting rod pin shaft are symmetrically arranged, the workpiece can be centered and positioned, when the workpiece to be positioned is located at position A, B or C, the pressing connecting rod rotates at different angles, and when the workpiece to be positioned is located at different sizes, the workpiece to be positioned can be centered and positioned on different sizes.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a centering positioning mechanism for many work pieces, includes bottom plate (100) and sets firmly the positioning and clamping mechanism in the bottom plate upper surface, its characterized in that, positioning and clamping mechanism including promotion cylinder (211) that have piston rod (212), with piston rod fixed connection's guider (220) and symmetrical arrangement in bottom plate both sides and be used for compressing tightly connecting rod (231) of work piece, compress tightly the connecting rod and pass through connecting rod round pin axle (233) and bottom plate fixed connection, compress tightly connecting rod one end and guider and press to the centering location that the work piece was realized to the work piece through round pin axle fixed connection and the other end, guider is used for making to compress tightly connecting rod (231) and takes place to rotate round connecting rod round pin axle.
2. A centering and positioning mechanism for multiple workpieces according to claim 1, characterized in that said guide means (220) comprises a guide rod (222) and an auxiliary link (221), one end of said auxiliary link is fixedly connected with said guide rod (222) by means of a pin and the other end is fixedly connected with one end of said pressing link (231) by means of a pin.
3. A centering and positioning mechanism for multiple workpieces as recited in claim 1, wherein: the guide device (220) is a guide rod (222), and one end of the pressing connecting rod (231) is fixedly connected with the guide rod (222) through a pin shaft.
4. A centering and positioning mechanism for multiple workpieces according to claim 2 or 3, characterized in that: the pushing cylinder is arranged at one end of the bottom plate, and a guide retaining device (230) is fixedly arranged at one end, far away from the pushing cylinder, of the upper surface of the bottom plate and is used for enabling the guide rod (222) to move along the extending direction or the retracting direction of the piston rod (212).
5. A centering and positioning mechanism for multiple workpieces according to claim 4, characterized in that: the guide retaining device comprises a guide connecting plate fixedly arranged on the bottom plate and a guide block (241) fixedly arranged on the guide connecting plate, wherein a guide limiting cavity used for enabling the guide rod to move along the extending direction or the retracting direction of the piston rod is arranged in the guide block.
6. A centering and positioning mechanism for multiple workpieces as recited in claim 1, wherein: and one end of the pressing connecting rod (231) far away from the guide rod is provided with a positioning pressure head (232).
7. A centering and positioning mechanism for multiple workpieces as recited in claim 1, wherein: the cylinder bracket component (210) is fixedly arranged on the upper surface of the bottom plate and comprises a bracket connecting plate, a mounting plate (214) used for mounting a cylinder and a side protection plate (213) used for protecting a piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920772516.6U CN210115635U (en) | 2019-05-27 | 2019-05-27 | Centering and positioning mechanism for multiple workpieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920772516.6U CN210115635U (en) | 2019-05-27 | 2019-05-27 | Centering and positioning mechanism for multiple workpieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210115635U true CN210115635U (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920772516.6U Active CN210115635U (en) | 2019-05-27 | 2019-05-27 | Centering and positioning mechanism for multiple workpieces |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178487A (en) * | 2020-08-20 | 2021-01-05 | 安徽极光照明工程有限公司 | Indoor lighting control device |
| CN112206944A (en) * | 2020-09-16 | 2021-01-12 | 安徽鼎恒实业集团有限公司 | Be applied to tight frock of clamp among rail vehicle wheel pair plasma spraying restoration |
| CN114558908A (en) * | 2022-03-29 | 2022-05-31 | 武船重型工程股份有限公司 | Mechanical straightening device for sidewise bent strip plate |
-
2019
- 2019-05-27 CN CN201920772516.6U patent/CN210115635U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178487A (en) * | 2020-08-20 | 2021-01-05 | 安徽极光照明工程有限公司 | Indoor lighting control device |
| CN112206944A (en) * | 2020-09-16 | 2021-01-12 | 安徽鼎恒实业集团有限公司 | Be applied to tight frock of clamp among rail vehicle wheel pair plasma spraying restoration |
| CN114558908A (en) * | 2022-03-29 | 2022-05-31 | 武船重型工程股份有限公司 | Mechanical straightening device for sidewise bent strip plate |
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