CN215824852U

CN215824852U - Positioning mechanism of wedge-shaped clamping block

Info

Publication number: CN215824852U
Application number: CN202121868888.2U
Authority: CN
Inventors: 沈光新
Original assignee: Suzhou Mingbohui Precision Electromechanical Co ltd
Current assignee: Dalian Xiangyu Vacuum Technology Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-02-15
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses a positioning mechanism of a wedge-shaped clamping block, which comprises a clamping block body, wherein a workpiece platform is installed at the bottom of the clamping block body, four first stroke grooves are symmetrically formed in the top of the workpiece platform, a plurality of first limiting grooves are formed in the inner surfaces of the four first stroke grooves, which are close to one side of the workpiece platform, respectively, a limiting mechanism is arranged in each of the four first stroke grooves, stop blocks are fixedly installed at the tops of the adjacent limiting mechanisms together, second stroke grooves are formed in the outer surfaces of the two stop blocks, which are close to one side of the clamping block body, respectively, and positioning mechanisms are installed in the two second stroke grooves. According to the utility model, the workpiece can be positioned through the arranged positioning mechanism, and then is clamped through the bidirectional wedge-shaped clamping block, so that the workpiece is not required to be effectively clamped every time of use, and the working efficiency is improved.

Description

Positioning mechanism of wedge-shaped clamping block

Technical Field

The utility model relates to the technical field of clamping blocks, in particular to a positioning mechanism of a wedge-shaped clamping block.

Background

The clamping block is used for preventing the workpiece from generating displacement or vibration in the machining process;

the two-way wedge that uses on present lathe presss from both sides tight piece and lacks positioning mechanism, when pressing from both sides tight work piece at every turn, still need imitate the central point, extravagant a large amount of operating time, simultaneously with its matched with dog, through the bolt fastening on work piece platform, when changing not equidimension work piece at every turn, all need dismantle it gets off and reinstallate, very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a wedge-shaped clamping block positioning mechanism.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a positioning mechanism of wedge clamp splice, includes and presss from both sides tight piece body, workpiece platform is installed to the bottom of pressing from both sides tight piece body, four first stroke grooves, four have been seted up to workpiece platform's top symmetry a plurality of first spacing grooves, four have all been seted up to one side that the internal surface in first stroke groove is close to workpiece platform the inside in first stroke groove all is equipped with stop gear, and is adjacent stop gear's the common fixed mounting in top has a dog, two the surface of dog has all seted up second stroke groove, two near one side of pressing from both sides tight piece body positioning mechanism is all installed to the inside in second stroke groove.

Furthermore, the four limiting mechanisms comprise fixing blocks, the fixing blocks are fixedly connected with the stop blocks, one sides of the outer surfaces of the fixing blocks, which are close to the first limiting grooves, are provided with accommodating grooves, the tops of the accommodating grooves are provided with through grooves, the through grooves extend to the inner parts of the stop blocks, the tops of one sides of the inner surfaces of the through grooves are provided with third travel grooves, the third travel grooves vertically penetrate through the inner surfaces of the through grooves and extend to the outer surfaces of the stop blocks, the inner parts of the accommodating grooves are slidably connected with limiting plates, one sides of the limiting plates, which are far away from the first limiting grooves, are fixedly connected with compression springs, the compression springs are fixedly connected with the accommodating grooves, one sides of the limiting plates, which are far away from the compression springs, are fixedly connected with limiting clamping blocks, the limiting clamping blocks correspond to the first limiting grooves, the tops of the limiting plates are fixedly connected with connecting rods, and the connecting rods are positioned in the through grooves, the top fixedly connected with push rod of connecting rod, and the push rod runs through the inside of leading to the groove perpendicularly and extends to the surface of dog, and the push rod is corresponding with third stroke groove, promotes the push rod, and the push rod drives the limiting plate through the connecting rod and extrudees compression spring, and the inside of accomodating the groove is got into to spacing fixture block, then aims at second spacing groove and first stroke groove respectively with stopper and fixed block and inserts, after reacing the assigned position, loosens the push rod, and spacing fixture block gets into first spacing groove under compression spring's effect.

Furthermore, two positioning mechanism all includes the screw rod, and rotates between screw rod and the second stroke groove to be connected, the screw rod runs through the surface that the inside in second stroke groove extends to the dog perpendicularly, the one end fixedly connected with carousel that the second stroke groove was kept away from to the screw rod, the surface symmetry threaded connection of screw rod has two slides, two the equal fixedly connected with locating plate of outer terminal surface of slide drives the screw rod through the carousel and rotates to drive the slide and be close to each other, through locating plate calibration work piece position.

Furthermore, the edge of one side of the rotary table, which is far away from the screw rod, is fixedly connected with a handle, the handle is connected with the rotary table through welding, and the rotary table is high in welding strength and durable.

Furthermore, the directions of the internal threads of the adjacent sliding seats are opposite, and the sliding seats are in sliding connection with the second stroke groove, so that the two adjacent sliding seats can move relatively.

Furthermore, two the equal fixedly connected with stopper in bottom of dog, the second spacing groove has been seted up at work piece platform's top, and corresponds between second spacing groove and the stopper, effectively avoids the dog to take place the obscission when using.

Furthermore, the outer surface both sides of pressing from both sides tight piece body and the dog all are equipped with anti-skidding line near one side of pressing from both sides tight piece body, increase frictional force, avoid taking place the phenomenon of skidding.

The utility model has the beneficial effects that:

1. when the positioning mechanism is used, the workpiece can be positioned by the positioning mechanism, and then the bidirectional wedge-shaped clamping block is used for clamping, so that the effect is not required to be achieved every time, and the working efficiency is improved.

2. When the positioning mechanism of the wedge-shaped clamping block is used, the original bolt fixing structure is replaced by the first limiting groove, the first stroke groove and the limiting mechanism, the distance between the stop block and the bidirectional wedge-shaped clamping block can be rapidly adjusted when a workpiece is replaced each time, and the positioning mechanism is very convenient.

3. When the wedge-shaped clamping block is used, the positioning mechanism of the wedge-shaped clamping block, the second limiting groove and the limiting block effectively avoid the phenomenon that the stop block falls off when in use.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the stopper structure of the present invention;

fig. 3 is a schematic structural diagram of the limiting mechanism of the present invention.

Illustration of the drawings:

1. a clamping block body; 2. a workpiece platform; 3. a first limit groove; 4. a limiting mechanism; 401. a fixed block; 402. a compression spring; 403. a receiving groove; 404. a through groove; 405. a third travel slot; 406. a push rod; 407. a connecting rod; 408. a limiting plate; 409. a limiting clamping block; 5. a first stroke slot; 6. a second limit groove; 7. a positioning mechanism; 701. positioning a plate; 702. a screw; 703. a slide base; 704. a turntable; 705. a grip; 8. a stopper; 801. a second travel slot; 802. and a limiting block.

Detailed Description

Fig. 1 shows, a positioning mechanism of wedge clamp piece is related to, including pressing from both sides tight piece body 1, work piece platform 2 is installed to the bottom of pressing from both sides tight piece body 1, four first stroke grooves 5 have been seted up to work piece platform 2's top symmetry, a plurality of first spacing grooves 3 have all been seted up to one side that the internal surface of four first stroke grooves 5 is close to work piece platform 2, the inside of four first stroke grooves 5 all is equipped with stop gear 4, the common fixed mounting in top of adjacent stop gear 4 has dog 8, second stroke groove 801 has all been seted up to one side that two dog 8's surface is close to tight piece body 1, positioning mechanism 7 is all installed to the inside of two second stroke grooves 801.

The bottom of two dogs 8 is equal fixedly connected with stopper 802, and second spacing groove 6 has been seted up at the top of work piece platform 2, and is corresponding between second spacing groove 6 and the stopper 802.

The two sides of the outer surface of the clamping block body 1 and one side of the stop block 8 close to the clamping block body 1 are both provided with anti-skidding threads.

As shown in fig. 2, the two positioning mechanisms 7 each include a screw 702, and the screw 702 is rotatably connected with the second stroke groove 801, the screw 702 vertically penetrates through the inside of the second stroke groove 801 and extends to the outer surface of the stopper 8, one end of the screw 702 far away from the second stroke groove 801 is fixedly connected with a turntable 704, the outer surface of the screw 702 is symmetrically and threadedly connected with two sliding seats 703, and the outer end surfaces of the two sliding seats 703 are fixedly connected with positioning plates 701.

A grip 705 is fixedly connected to an edge of the turntable 704 away from the screw 702.

The internal threads of adjacent carriages 703 are in opposite directions and the carriages 703 are slidably connected to the second travel slot 801.

As shown in fig. 3, each of the four limiting mechanisms 4 includes a fixing block 401, the fixing block 401 is fixedly connected to the stopper 8, an accommodating groove 403 is formed on one side of the outer surface of the fixing block 401 close to the first limiting groove 3, a through groove 404 is formed on the top of the accommodating groove 403, the through groove 404 extends into the stopper 8, a third stroke groove 405 is formed on the top of one side of the inner surface of the through groove 404, the third stroke groove 405 vertically penetrates through the inner surface of the through groove 404 and extends to the outer surface of the stopper 8, a limiting plate 408 is slidably connected to the inside of the accommodating groove 403, a compression spring 402 is fixedly connected to one side of the limiting plate 408 away from the first limiting groove 3, the compression spring 402 is fixedly connected to the accommodating groove 403, a limiting block 409 is fixedly connected to one side of the limiting plate 408 away from the compression spring 402, the limiting block 409 corresponds to the first limiting groove 3, a connecting rod 407 is fixedly connected to the top of the limiting plate 408, the connecting rod 407 is located inside the through slot 404, a push rod 406 is fixedly connected to the top of the connecting rod 407, the push rod 406 vertically penetrates through the inside of the through slot 404 and extends to the outer surface of the stopper 8, and the push rod 406 corresponds to the third travel slot 405.

When the positioning mechanism of the wedge-shaped clamping block is used, firstly, the push rod 406 is pushed, the push rod 406 drives the limiting plate 408 to extrude the compression spring 402 through the connecting rod 407 until the limiting fixture block 409 enters the accommodating groove 403, then the limiting block 802 and the fixing block 401 are respectively aligned with the second limiting groove 6 and the first stroke groove 5 to be inserted, after the specified position is reached, the push rod 406 is loosened, the limiting fixture block 409 enters the first limiting groove 3 under the action of the compression spring 402, then a workpiece is placed at the top of the workpiece platform 2, the turntable 704 is driven to rotate through the grip 705, so that the screw 702 is driven to rotate, the slide bases 703 are driven to mutually approach, the position of the workpiece is calibrated through the positioning plate 701, and then the workpiece is fixed through the clamping block body 1.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a wedge clamping block's positioning mechanism, includes clamping block body (1), its characterized in that: workpiece platform (2) are installed to the bottom of pressing from both sides tight piece body (1), four first stroke grooves (5), four have all been seted up to the top symmetry of workpiece platform (2) the internal surface of first stroke groove (5) is close to one side of workpiece platform (2) and has all seted up a plurality of first spacing grooves (3), four the inside of first stroke groove (5) all is equipped with stop gear (4), and is adjacent the common fixed mounting in top of stop gear (4) has dog (8), two second stroke groove (801), two have all been seted up to one side that the surface of dog (8) is close to tight piece body (1) of clamp the inside of second stroke groove (801) all installs positioning mechanism (7).

2. A wedge clamp block positioning mechanism as set forth in claim 1, wherein: four limiting mechanisms (4) comprise fixing blocks (401), the fixing blocks (401) are fixedly connected with the stop blocks (8), one side, close to the first limiting groove (3), of the outer surface of each fixing block (401) is provided with an accommodating groove (403), the top of each accommodating groove (403) is provided with a through groove (404), each through groove (404) extends into the corresponding stop block (8), the top of one side of the inner surface of each through groove (404) is provided with a third travel groove (405), the third travel groove (405) vertically penetrates through the inner surface of each through groove (404) and extends to the outer surface of each stop block (8), the inner part of each accommodating groove (403) is slidably connected with a limiting plate (408), one side, far away from the first limiting groove (3), of each limiting plate (408) is fixedly connected with a compression spring (402), the compression spring (402) is fixedly connected with the accommodating groove (403), one side, far away from the compression spring (402), of each limiting plate (408) is fixedly connected with a limiting clamping block (409), and spacing fixture block (409) is corresponding with first spacing groove (3), the top fixedly connected with connecting rod (407) of limiting plate (408), and connecting rod (407) are located the inside of leading to groove (404), the top fixedly connected with push rod (406) of connecting rod (407), and push rod (406) run through the inside of leading to groove (404) perpendicularly and extend to the surface of dog (8), and push rod (406) are corresponding with third journey groove (405).

3. A wedge clamp block positioning mechanism as set forth in claim 1, wherein: two positioning mechanism (7) all include screw rod (702), and rotate between screw rod (702) and the second stroke groove (801) and be connected, inside that screw rod (702) run through second stroke groove (801) perpendicularly extends to the surface of dog (8), one end fixedly connected with carousel (704) of second stroke groove (801) is kept away from in screw rod (702), the surface symmetry threaded connection of screw rod (702) has two slides (703), two equal fixedly connected with locating plate (701) of outer terminal surface of slide (703).

4. The wedge clamp block positioning mechanism of claim 3, wherein: a handle (705) is fixedly connected to one side edge of the turntable (704) far away from the screw (702).

5. The wedge clamp block positioning mechanism of claim 3, wherein: the internal threads of the adjacent sliding seats (703) are opposite in direction, and the sliding seats (703) are in sliding connection with the second stroke grooves (801).

6. A wedge clamp block positioning mechanism as set forth in claim 1, wherein: two equal fixedly connected with stopper (802) in bottom of dog (8), second spacing groove (6) have been seted up at the top of work piece platform (2), and correspond between second spacing groove (6) and stopper (802).

7. A wedge clamp block positioning mechanism as set forth in claim 1, wherein: the anti-skidding threads are arranged on the two sides of the outer surface of the clamping block body (1) and one side, close to the clamping block body (1), of the stop block (8).