CN211053183U - a positioning mechanism - Google Patents

Abstract

The utility model discloses a positioning mechanism, comprising a workbench, and a clamping position mounted on the workbench for positioning a workpiece; wherein first clamping jaw assemblies that are opened and closed synchronously are arranged in pairs around the clamping position; and a second clamping jaw assembly that is used to divide the clamping position into two clamping units is arranged in the middle of the clamping position. With this structural design, the structure is simple, and can simultaneously meet the clamping and positioning of two workpieces, and can effectively center the two workpieces, thereby reducing clamping errors.

Description

a positioning mechanism

technical field

The utility model relates to the technical field of electric core processing equipment, in particular to a positioning mechanism.

Background technique

In the prior art, in the process of positioning and clamping the cell, due to the lack of necessary pre-positioning devices, the clamping accuracy of the cell is greatly reduced, and it is difficult to effectively ensure that the clamped cell is in the center of the fixture. , Since most of the fixtures are special fixtures, the versatility is also poor, and they cannot be applied to the clamping of various types of cells.

Utility model content

The purpose of the utility model is to provide a positioning mechanism, which can effectively improve the clamping progress of the workpiece, has high versatility, is convenient and practical.

For this purpose, the utility model adopts the following technical solutions:

A positioning mechanism, characterized in that, comprising:

workbench;

Clamping position; erected on the worktable for positioning of the workpiece; wherein the clamping position is provided with first clamping jaw assemblies that are opened and closed synchronously in pairs around the clamping position; the middle of the clamping position is provided with The clamping position is divided into second clamping jaw assemblies of two clamping units.

Wherein, the second clamping jaw assembly includes two clamping jaws arranged side by side, and a first air cylinder for driving the two clamping jaws to open and close synchronously.

Wherein, the table top of the worktable is provided with a supporting plate, and the clamping claws of the first clamping claw assembly are arranged around the supporting plate and then form the clamping position with the supporting plate.

Wherein, the first air cylinder is erected between the support plate and the table surface of the worktable, and the claw head of the clamping claw is slidably matched with the first chute opened on the support plate.

Wherein, the first clamping jaw assembly includes a first clamping jaw unit and a second clamping jaw unit; the first clamping jaw unit includes two first clamping pieces disposed on the left and right sides of the support plate, and a set A driving mechanism for synchronous opening and closing of the two first clamping pieces under the table surface of the workbench.

Wherein, the driving mechanism includes a fixed plate vertically fastened to the bottom surface of the table top of the workbench, a guide rail horizontally erected on the fixed plate, slidably arranged on the left slider and right slider of the guide rail, and arranged on the An elastic connecting piece between the left slider and the right slider, and a drive assembly for driving the left slider and the right slider to open and close synchronously; the left slider and the right slider are respectively connected with the corresponding The first clamping member is fastened.

Wherein, the driving assembly includes a third cylinder fastened with the fixing plate, and a driving block fastened with the cylinder rod of the third cylinder, the driving blocks are arranged on the left slider and the right slider between, and slidingly cooperates with the left slider and the right slider.

Wherein, the drive block is arranged in a conical shape, and the ends of the left slider and the right slider adjacent to the drive block are pivotally connected with rollers respectively, and the rollers are in rolling fit with the drive block.

Wherein, the second clamping jaw unit includes a second clamping member disposed on the front and rear sides of the support plate, and a second air cylinder for driving the two second clamping members to open and close synchronously.

Wherein, the work table surface on the left and right sides of the support plate is respectively provided with a second chute along the length direction for the reciprocating sliding of the first clamping member.

The beneficial effects of the present utility model: the present utility model provides a positioning mechanism, including a workbench, and a clamping position erected on the workbench for workpiece positioning; wherein the clamping positions are provided with synchronizing positions opposite to each other around the clamping position. The opening and closing first clamping jaw assembly; the middle of the clamping position is provided with a second clamping jaw assembly for dividing the clamping position into two clamping units. With this structural design, the structure is simple, the clamping and positioning of the two workpieces can be satisfied at the same time, and the two workpieces can be effectively centered, thereby reducing the clamping error.

Description of drawings

Figure 1 is an axonometric view of a positioning mechanism of the present invention.

FIG. 2 is a front view of FIG. 1 .

FIG. 3 is an axonometric view of FIG. 1 after clamping the cell.

Detailed ways

The technical solutions of the present utility model will be further described below with reference to the accompanying drawings and through specific embodiments.

Referring to FIGS. 1 to 3 , this embodiment provides a positioning mechanism, which includes a worktable and a clamping position erected on the worktable 3 for positioning the workpiece. More specifically, the first clamping jaw assemblies that open and close synchronously are arranged opposite each other around the clamping position; the middle part of the clamping position is provided with two clamping units 11 for dividing the clamping position into two clamping units. 12 of the second jaw assembly.

Furthermore, in this embodiment, a support plate 13 is erected on the table top of the work table 3 , and the clamping jaws of the first clamping jaw assembly are surrounded by the supporting plate 13 and then formed with the supporting plate 13 . In the clamping position, the second clamping jaw assembly includes two clamping jaws 111, 121 arranged side by side in the middle of the support plate 13, and a first cylinder 2 for driving the two clamping jaws 111, 121 to open and close synchronously, The first cylinder 2 is erected between the support plate 13 and the table surface of the worktable 3 . Furthermore, in order to facilitate the simultaneous opening and closing of the two clamping jaws 111 and 121 , a plurality of parallel and spaced apart from the middle of the support plate 13 are provided. For the first chute 4, the claws of the two clamping jaws 111 and 121 are exposed to the plurality of first chute 4, and are arranged to and fro along the length of the first chute 4 under the driving action of the first air cylinder 2. Further, In this embodiment, the first cylinder 2 is set as a bidirectional driving cylinder, and the first chute 4 is set along the length direction of the worktable 3 .

Further, the first clamping jaw assembly in this embodiment includes a first clamping jaw unit and a second clamping jaw unit, wherein the first clamping jaw unit is arranged along the length direction of the worktable 3, and the second clamping jaw unit is arranged along the length direction of the table 3. The worktable 3 is arranged in the width direction. In order to satisfy the clamping of the two clamping units 11 and 12 , the two clamping units 11 and 12 in this embodiment are respectively provided with a set of second clamping jaw units.

More specifically, the first clamping jaw unit in this embodiment includes two first clamping members 51 , 52 disposed on the left and right sides of the support plate 13 , and two first clamping members 51 and 52 arranged under the table surface of the work table 3 . A drive mechanism for the synchronous opening and closing of the two first clamping members 51, 52, wherein the table surfaces of the worktable 3 on the left and right sides of the support plate 13 are respectively provided with the first clamps along the length direction. The second chute 21, 22 for the back-and-forth sliding of the tightening member; more specifically, the driving mechanism in this embodiment includes a fixing plate 53 vertically fastened to the bottom surface of the table top of the work table 3, The guide rail of the fixing plate 53, the left slider 54 and the right slider 55 slidably arranged on the guide rail, the spring 56 arranged between the left slider 54 and the right slider 55, and a spring 56 for driving the left slider 54 and the right slider 55. The sliding block 54 and the right sliding block 55 are synchronously opened and closed driving components; the left sliding block 54 and the right sliding block 55 are respectively fastened with the corresponding first clamping parts.

More specifically, the driving assembly in this embodiment includes a third air cylinder 57 fastened to the fixing plate 53 , and a driving block 58 fastened to the cylinder rod of the third air cylinder 57 . The block 58 is arranged between the left slider 54 and the right slider 55, and is slidably matched with the left slider 54 and the right slider 55; in this embodiment, in order to enable the left slider 54 and the right slider 55 forms a drive, the drive block 58 is arranged in a conical shape, and the ends of the left slider 54 and the right slider 55 adjacent to the drive block 58 are respectively pivoted with rollers 59, and the rollers 59 and the The drive block 58 is a rolling fit. With this structural design, when the third cylinder 57 moves upward, the conical driving block 58 can drive the left sliding block 54 and the right sliding block 55 to open synchronously, thereby driving the two first clamping members 51, 52 Open synchronously, so as to facilitate the picking and placing of workpieces in the two clamping units 11, 12; on the contrary, when the third cylinder 57 moves downward, the left slider 54 and the right slider 55 are under the tension of the spring 56. , it will reset synchronously, so that the two first clamping members 51, 52 move towards each other under the force of the spring 56, and then cooperate with the second clamping jaw unit and the second clamping jaw assembly to the two clamping units 11, 12 further, the second clamping jaw unit in this embodiment includes second clamping members 61 , 62 , 63 , 64 arranged on the front and rear sides of the support plate 13 and used for The two second air cylinders 71 , 72 that drive the two second clamping members 61 , 62 , 63 , 64 to open and close synchronously.

Using the positioning mechanism with the above structural design, the first clamping members 51, 52, the second clamping members 61, 62, 63, 64 and the clamping jaws 111, 121 surrounding the two clamping units 11, 12 It can conveniently and effectively realize the synchronous positioning of two workpieces, and then effectively improve the workpiece clamping efficiency and centering accuracy.

The technical principle of the present invention has been described above with reference to the specific embodiments. These descriptions are only for explaining the principle of the present invention, and should not be construed as limiting the protection scope of the present invention in any way. Based on the explanations herein, those skilled in the art can think of other specific embodiments of the present invention without creative efforts, and these methods will all fall within the protection scope of the present invention.

Claims (10)

1. A positioning mechanism, comprising:

a work table;

clamping positions; the worktable is erected for positioning the workpiece; the clamping positions are provided with first clamping jaw assemblies which are opened and closed synchronously in a pairwise opposite mode at the periphery; and a second clamping jaw assembly used for dividing the clamping position into two clamping units is arranged in the middle of the clamping position.

2. A positioning mechanism as set forth in claim 1, wherein: the second clamping jaw assembly comprises two clamping jaws arranged side by side and a first cylinder used for driving the two clamping jaws to open and close synchronously.

3. A positioning mechanism as set forth in claim 2, wherein: the table top of the workbench is provided with a support plate, and the clamping jaw of the first clamping jaw assembly is arranged around the support plate and then forms the clamping position with the support plate.

4. A positioning mechanism as set forth in claim 3, wherein: the supporting plate and the table board of the workbench are provided with the first cylinder in an erected mode, and the claw heads of the clamping jaws are in sliding fit with the first sliding grooves formed in the supporting plate.

5. A positioning mechanism as set forth in claim 3, wherein: the first jaw assembly comprises a first jaw unit and a second jaw unit; the first clamping jaw unit comprises two first clamping pieces arranged on the left side and the right side of the supporting plate and a driving mechanism erected below the table board of the workbench and used for synchronously opening and closing the two first clamping pieces.

6. A positioning mechanism according to claim 5, wherein: the driving mechanism comprises a fixed plate vertically fastened on the lower bottom surface of the table top of the workbench, a guide rail horizontally erected on the fixed plate, a left sliding block and a right sliding block which are arranged on the guide rail in a sliding manner, an elastic connecting piece arranged between the left sliding block and the right sliding block, and a driving assembly for driving the left sliding block and the right sliding block to open and close synchronously; the left sliding block and the right sliding block are respectively fastened with the corresponding first clamping pieces.

7. A positioning mechanism as set forth in claim 6, wherein: the driving assembly comprises a third air cylinder fastened with the fixing plate and a driving block fastened with a cylinder rod of the third air cylinder, and the driving block is arranged between the left sliding block and the right sliding block and is in sliding fit with the left sliding block and the right sliding block.

8. A positioning mechanism as set forth in claim 7, wherein: the driving block is arranged in a conical shape, rollers are respectively pivoted at one ends of the left sliding block and the right sliding block adjacent to the driving block, and the rollers are in rolling fit with the driving block.

9. A positioning mechanism according to claim 5, wherein: the second clamping jaw unit comprises second clamping pieces arranged on the front side and the rear side of the supporting plate and a second air cylinder used for driving the two second clamping pieces to be synchronously opened and closed.

10. A positioning mechanism according to claim 5, wherein: and second sliding grooves used for the first clamping piece to slide back and forth are formed in the workbench surfaces on the left side and the right side of the supporting plate along the length direction.

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