CN216829751U - Rotary clamping mechanism - Google Patents

Abstract

The utility model relates to a rotary clamping mechanism, which comprises a clamping seat, wherein a first chute is arranged in the clamping seat, a motor is fixedly arranged on the inner wall of the bottom end of the first chute, a screw rod is fixedly connected with the output end of the motor, a sliding plate is sleeved on the screw thread rotating sleeve, a strut is embedded on the sliding plate in a penetrating and symmetrical rotating way, the bottom end of the strut is penetrated through the top end of the sliding plate and extends to the lower part of the sliding plate, and is fixedly connected with a first limiting plate, the top end of the first limiting plate is abutted against the bottom end of the sliding plate, the top end of the strut is penetrated through the top end of the clamping seat and extends to the upper part of the clamping seat, and is fixedly connected with a pressing block, a threaded seat matched with the screw rod is embedded on the sliding plate in a penetrating and fixing way, threads matched with the screw rod are arranged on the inner wall of the threaded seat, the structure of the rotary clamping mechanism is simple, the rotary clamping mechanism is convenient to use, can conveniently rotate and clamp a workpiece, and simultaneously reduces the production cost of the clamping mechanism.

Description

Rotary clamping mechanism

Technical Field

The utility model relates to a rotary clamping mechanism belongs to clamping mechanism technical field.

Background

On the basis of positioning, the positioning of the workpiece is generally damaged due to the fact that the workpiece is subjected to large external force during machining, clamping force needs to be applied to the workpiece at the moment to prevent the workpiece from moving, and clamping is called.

Current clamping device, when meetting some clamping part and sunken, and the space is less, need earlier press from both sides tight piece this moment and remove to clamping part department, then press from both sides tight piece through the downward movement to it is fixed with the work piece centre gripping, this kind of mode is comparatively loaded down with trivial details, or uses revolving cylinder to press from both sides the work piece, just needs to use a plurality of revolving cylinder this moment, thereby makes clamping mechanism's cost higher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotary clamping mechanism, the utility model discloses simple structure, convenient to use can conveniently carry out rotary clamping to the work piece, has reduced clamping mechanism's manufacturing cost simultaneously to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a rotary clamping mechanism, includes and presss from both sides tight seat, it has first spout to open in pressing from both sides tight seat, the fixed motor that is equipped with on the bottom inner wall of spout one, the output fixedly connected with screw rod of motor, the screw thread rotates the cover and is equipped with the slide, it inlays and is equipped with branch to run through the symmetry rotation on the slide, the bottom of branch all runs through the top of slide extends to the below and the fixedly connected with limiting plate one of slide, the top of limiting plate one all with the bottom of slide is contradicted, the top of branch all runs through the top of pressing from both sides tight seat extends to the top and the fixedly connected with briquetting of pressing from both sides tight seat.

Furthermore, the sliding plate is fixedly embedded with a threaded seat matched with the screw rod in a penetrating manner, and the inner wall of the threaded seat is provided with threads matched with the screw rod.

Further, a second sliding groove is formed in the inner walls of the two sides of the first sliding groove, a sliding block is arranged in the second sliding groove and is connected with the second sliding groove in a sliding mode, and the sliding block is fixedly connected with one side, adjacent to the sliding plate, of the sliding plate.

Furthermore, a plurality of springs are fixedly arranged at the bottom end of the sliding plate in an array mode, and the bottom ends of the springs are fixedly connected with the inner wall of the bottom end of the first sliding groove.

Further, the lower part of branch is all fixed the cover and is equipped with limiting plate two, the bottom of limiting plate two all with the top of slide is contradicted.

Further, the fixed plate that is equipped with on the upper portion inner wall of spout one, the fixed plate is located the top of slide, the symmetry runs through fixedly to inlay on the fixed plate and is equipped with the sleeve pipe, the sleeve pipe all with adjacent branch slip cap establishes the connection, run through on the fixed plate and seted up and supply screw rod pivoted through-hole.

Furthermore, the sleeve is internally and symmetrically provided with limiting columns, and the middle parts of the supporting rods are symmetrically provided with limiting grooves matched with the limiting columns.

Furthermore, the pressing blocks positioned on the two sides of the clamping seat are opposite in direction.

The utility model has the advantages that:

the utility model discloses a motor and sleeve pipe have been set up, when using, it rotates to drive the screw rod through the motor, thereby make the screw rod pass through screw thread seat drive slide and carry out the ascending reciprocating of vertical side in spout one, when slide downstream, the slide is through promoting limiting plate one downwards this moment, thereby drive branch downstream through limiting plate one, spacing post will slide at the spacing inslot this moment, make branch after rotating downstream certain distance through the spacing groove, stop rotation continues downstream certain distance again, thereby drive the earlier rotation of briquetting to suitable angle back through branch, resume downstream again, thereby press from both sides the work piece through the briquetting and press from both sides tightly on pressing from both sides the seat, the utility model discloses simple structure, convenient to use can conveniently carry out the rotary clamping to the work piece, has reduced clamping mechanism's manufacturing cost simultaneously.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a schematic view of the overall structure of a rotary clamping mechanism of the present invention;

fig. 2 is a top view of a fixing plate of a rotary clamping mechanism of the present invention;

fig. 3 is a partial perspective view of a support rod of a rotary clamping mechanism of the present invention;

fig. 4 is a schematic perspective view of a pressing block of a rotary clamping mechanism of the present invention;

reference numbers in the figures: 1. a clamping seat; 2. a first sliding chute; 3. a motor; 4. a screw; 5. a slide plate; 6. a strut; 7. a first limiting plate; 8. briquetting; 9. a threaded seat; 10. a second chute; 11. a slider; 12. a spring; 13. a second limiting plate; 14. a fixing plate; 15. a sleeve; 16. a limiting column; 17. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Embodiment 1 please refer to fig. 1-4, the present invention provides a technical solution:

the utility model provides a rotary clamping mechanism, including pressing from both sides tight seat 1, it has one 2 to open spout in tight seat 1, the fixed motor 3 that is equipped with on the bottom inner wall of spout one 2, motor 3's output fixedly connected with screw rod 4, the screw thread rotates the cover and is equipped with slide 5 on the screw rod 4, it inlays and is equipped with branch 6 to run through the symmetry rotation on slide 5, the bottom of branch 6 all runs through the top of slide 5 and extends to below and the fixedly connected with limiting plate 7 of slide 5, the top of limiting plate 7 all contradicts with slide 5's bottom, the top that tight seat 1 was all run through on the top of branch 6 extends to the top and the fixedly connected with briquetting 8 of pressing from both sides tight seat 1.

Specifically, as shown in fig. 1, the sliding plate 5 is provided with a thread seat 9 which is fixedly embedded with the screw rod 4, the inner wall of the thread seat 9 is provided with threads which are matched with the screw rod 4, and the motor 3 drives the screw rod 4 to rotate, so that the screw rod 4 drives the sliding plate 5 to vertically move in the sliding groove 2 through the thread seat 9.

Specifically, as shown in fig. 1, a plurality of springs 12 are fixedly arranged at the bottom end array of the sliding plate 5, the bottom ends of the springs 12 are fixedly connected with the inner wall of the bottom end of the first sliding chute 2, and when the sliding plate 5 moves to the lowest position, the springs 12 apply downward acting force to the sliding plate 5, so that the stability of clamping the workpiece by the pressing block 8 is improved.

Specifically, as shown in fig. 1, the lower part of branch 6 is all fixed the cover and is equipped with two limiting plates 13, and the bottom of two limiting plates 13 all contradicts with slide 5's top, and when slide 5 moves down, slide 5 was through pushing down limiting plate 7 this moment to drive branch 6 downstream through limiting plate 7, when slide 5 moved up, slide 5 was through upwards promoting two limiting plates 13 this moment, thereby drove 6 upstream of branch through two limiting plates 13.

Specifically, as shown in fig. 1-4, a fixing plate 14 is fixedly arranged on the inner wall of the upper portion of the first sliding chute 2, the fixing plate 14 is positioned above the sliding plate 5, sleeves 15 are symmetrically inserted and fixedly inserted into the fixing plate 14, the sleeves 15 are connected with the adjacent supporting rods 6 in a sliding and sleeving manner, through holes for the rotation of the screw rods 4 are arranged on the fixing plate 14 in a penetrating manner, limiting posts 16 are symmetrically fixed in the sleeves 15, limiting grooves 17 matched with the limiting posts 16 are symmetrically arranged in the middle portions of the supporting rods 6, the directions of the pressing blocks 8 positioned on the two sides of the clamping seat 1 are opposite, when the supporting rods 6 move downwards in the sleeves 15, the limiting posts 16 slide in the limiting grooves 17 relatively, the supporting rods 6 rotate downwards for a certain distance through the limiting grooves 17, then stop rotating and continue to move downwards for a certain distance, so that the pressing blocks 8 are driven by the supporting rods 6 to rotate to a proper angle first, and then moves downwards continuously, so that the workpiece is clamped on the clamping seat 1 through the pressing block 8.

Embodiment 2 referring to fig. 1, the difference between this embodiment and embodiment 1 is: two 10 of spout have all been seted up on the both sides inner wall of spout one 2, all are equipped with slider 11 in two 10 of spout, slider 11 all with two 10 sliding connection of spout, slider 11 all with one side fixed connection that slide 5 is adjacent, when slide 5 removed, slide 5 will drive slider 11 and slide in two 10 of spout this moment, can play the effect of spacing support to slide 5 through slider 11.

The utility model discloses theory of operation: when the clamping seat is used, a workpiece is placed on the clamping seat, then the screw rod 4 is driven to rotate through the motor 3, so that the screw rod 4 drives the sliding plate 5 to move downwards in the first sliding groove 2 through the threaded seat 9, when the sliding plate 5 moves downwards, the sliding plate 5 pushes the first limiting plate 7 downwards, so that the first limiting plate 7 drives the support rod 6 to move downwards, the limiting column 16 slides relatively in the limiting groove 17, the support rod 6 rotates downwards through the limiting groove 17 for a certain distance, then stops rotating and continues to move downwards for a certain distance, so that the support rod 6 drives the pressing block 8 to rotate to a proper angle first, then continues to move downwards, so that the workpiece is clamped on the clamping seat 1 through the pressing block 8, when the sliding plate 5 moves, the sliding plate 5 drives the sliding block 11 to slide in the second sliding groove 10, and the sliding block 11 can play a role of limiting support on the sliding plate 5, when the sliding plate 5 moves to the lowest position, the spring 12 applies downward force to the sliding plate 5, thereby improving the stability of the pressing block 8 in clamping the workpiece.

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. Any reference sign in a claim should not 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 (8)

1. A rotary clamping mechanism comprises a clamping seat (1), and is characterized in that: set up spout (2) in pressing from both sides tight seat (1), the fixed motor (3) that is equipped with on the bottom inner wall of spout (2), the output end fixedly connected with screw rod (4) of motor (3), screw rod (4) are gone up the screw thread and are rotated the cover and are equipped with slide (5), it inlays and is equipped with branch (6) to run through the symmetry rotation on slide (5), the bottom of branch (6) all runs through the top of slide (5) extends to below and the fixedly connected with limiting plate (7) of slide (5), the top of limiting plate (7) all with the bottom of slide (5) is contradicted, the top of branch (6) all runs through the top of pressing from both sides tight seat (1) extends to the top and the fixedly connected with briquetting (8) of pressing from both sides tight seat (1).

2. A rotary clamping mechanism according to claim 1, wherein: the sliding plate (5) is fixedly embedded with a threaded seat (9) matched with the screw rod (4) in a penetrating mode, and threads matched with the screw rod (4) are arranged on the inner wall of the threaded seat (9).

3. A rotary clamping mechanism according to claim 1, wherein: the inner walls of the two sides of the first sliding groove (2) are provided with second sliding grooves (10), sliding blocks (11) are arranged in the second sliding grooves (10), the sliding blocks (11) are connected with the second sliding grooves (10) in a sliding mode, and the sliding blocks (11) are fixedly connected with one side, adjacent to the sliding plate (5).

4. A rotary clamping mechanism according to claim 1, wherein: the bottom array of slide (5) is fixed and is equipped with a plurality of springs (12), the bottom of spring (12) all with the bottom inner wall fixed connection of spout (2).

5. A rotary clamping mechanism according to claim 1, wherein: the lower part of branch (6) is all fixed the cover and is equipped with second limiting plate (13), the bottom of second limiting plate (13) all with the top of slide (5) is contradicted.

6. A rotary clamping mechanism according to claim 1 wherein: fixed plate (14) that is equipped with on the upper portion inner wall of spout (2), fixed plate (14) are located the top of slide (5), the symmetry runs through fixed the inlaying and is equipped with sleeve pipe (15) on fixed plate (14), sleeve pipe (15) all with adjacent branch (6) slip cap is established and is connected, run through on fixed plate (14) and seted up and supply screw rod (4) pivoted through-hole.

7. A rotary clamping mechanism according to claim 6, wherein: the sleeve pipe (15) is internally and symmetrically provided with limiting columns (16), and the middle part of the supporting rod (6) is symmetrically provided with limiting grooves (17) matched with the limiting columns (16).

8. A rotary clamping mechanism according to claim 1, wherein: the pressing blocks (8) positioned on the two sides of the clamping seat (1) are opposite in direction.

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