CN218114218U - Linkage clamping device for machining mechanical parts - Google Patents

Abstract

The utility model discloses a linkage clamping device for machining mechanical parts, relating to the technical field of clamping devices; the utility model comprises a door-shaped frame, the top of which is provided with two U-shaped seats, two shaft levers are rotatably arranged on the two U-shaped seats, and first gears are fixedly arranged on the two shaft levers; the column rod vertically penetrates through the door-shaped frame in a sliding mode, and first racks are installed on the opposite sides of the column rod; the utility model discloses a sliding fit of post AND gate shape frame to and the difference in height of mounting panel AND gate shape frame laminating back door shape frame and two extension boards, when shifting after carrying out the centre gripping to the work piece, utilize the sliding fit of difference in height and door shape frame, two L shape poles respectively with the cooperation of two loading boards, realize automatic bottom bearing to the work piece or remove the bearing, through the bearing to the work piece bottom, two splint of deuterogamying are to the centre gripping of work piece side, make better to the fixed effect of the holistic centre gripping of work piece, it is more firm.

Description

Linkage clamping device for machining mechanical parts

Technical Field

The utility model relates to a press from both sides and get device technical field, concretely relates to device is got with linkage clamp to machine parts processing.

Background

Mechanical parts, also called mechanical elements, are inseparable single finished parts which form machines and machines, and are basic units of machines, the mechanical parts are various in types, different in size and different in shape, such as rod-shaped parts, in the processing process of the parts, the parts are generally required to be clamped and moved from one station to another station by using a clamping device, the conventional clamping device is generally used for clamping and fixing the opposite sides of the parts only singly, the clamping mode has certain defects, only the vertical surface of the parts is clamped singly, part of the workpieces are heavy, such as square or vertical cylindrical workpieces, the metal surface is smooth, the clamping friction force between a clamping block and the metal surface is small, the workpieces are influenced by self gravity, the phenomenon that the workpieces fall off easily occurs in the moving process, the workpieces fall from a high place, the workpieces are easily damaged, and the working table top is easily damaged when the workpieces fall.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an: for solving the problem in the above-mentioned background, the utility model provides a device is got with linkage clamp to machine parts processing.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

a linkage clamping device for machining mechanical parts comprises a door-shaped frame, a clamping device and a clamping device, wherein the top of the door-shaped frame is provided with two U-shaped seats, shaft rods are rotatably arranged on the two U-shaped seats, and first gears are fixedly arranged on the two shaft rods; the column rod vertically penetrates through the portal frame in a sliding mode, first racks are mounted on the opposite sides of the column rod, and the two first racks are meshed with the two first gear teeth respectively; one end of each L-shaped rod is fixedly connected with the two shaft rods respectively, and the other end of each L-shaped rod is hinged with a bearing plate; the mounting plate is mounted at the bottom end of the column rod, two movable blocks are arranged on the mounting plate in a sliding mode in parallel, supporting plates are mounted at the ends, away from each other, of the two movable blocks, and clamping plates are mounted on the opposite sides of the two supporting plates; and the driving part is arranged on the mounting plate and is used for driving the two movable blocks to synchronously and reversely slide.

Further, the driving part includes: the guide rod rotatably penetrates through the mounting plate and is positioned between the two movable blocks; the second gear is fixedly arranged on the guide rod; the two second racks are respectively arranged on the opposite sides of the two movable blocks and are meshed with the teeth of the second gear; and the hydraulic push rod is arranged on the mounting plate, and the piston end of the hydraulic push rod is fixedly connected with one of the movable blocks.

Further, the clamping plate is V-shaped, and the two ends of the clamping plate are extended with convex plates.

Further, rubber pads are mounted on opposite sides of the two clamping plates.

Further, the connecting seat is installed at the top of post, the top of connecting seat is seted up flutedly, the inner wall opposite side of recess is connected with the horizontal pole, the looks dorsal part of connecting seat all is constructed the otic placode, all runs through on two otic placodes and has begun the mounting hole.

Furthermore, logical groove has all been seted up in the top both ends of door shape frame run through, the back of the body side of post pole all with the mounting panel is connected with first stiffener, two first stiffener activity respectively runs through two logical grooves.

Furthermore, a second reinforcing rod is connected between each of the two support plates and each of the two movable blocks.

The utility model has the advantages as follows: through the sliding fit of post pole AND gate-shaped frame to and the difference in height of mounting panel and gate-shaped frame laminating back door-shaped frame and two extension boards, when shifting after carrying out the centre gripping to the work piece, utilize the sliding fit of difference in height and door-shaped frame, two L shape poles respectively with the cooperation of two loading boards, realize automatic bottom bearing to the work piece or remove the bearing, through the bearing to the work piece bottom, two splint of deuterogamying are to the centre gripping of work piece side, make the fixed effect of holistic centre gripping of work piece better, it is more firm.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a sectional view of the three-dimensional structure of the present invention;

fig. 3 is a plan elevation view of the present invention;

fig. 4 isbase:Sub>A sectional view taken alongbase:Sub>A linebase:Sub>A-base:Sub>A of fig. 3 according to the present invention;

fig. 5 is a sectional view taken along line B-B of fig. 3 according to the present invention;

FIG. 6 is an enlarged view of the present invention at C in FIG. 2;

fig. 7 is an enlarged view of fig. 2 according to the present invention;

FIG. 8 is an enlarged view of the utility model at E in FIG. 2;

reference numerals are as follows: 1. a door-shaped frame; 2. a U-shaped seat; 3. a shaft lever; 4. a first gear; 5. a post rod; 6. a first rack; 7. an L-shaped rod; 8. carrying a plate; 9. mounting a plate; 10. a movable block; 11. a support plate; 12. a splint; 13. a drive section; 14. a connecting seat; 15. a groove; 16. a cross bar; 17. a first reinforcement bar; 18. a second reinforcement bar; 1301. a guide bar; 1302. a second gear; 1303. a second rack; 1304. and a hydraulic push rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

As shown in fig. 1, 2, 3, 4, 6, 7 and 8, the linkage clamping device for machining mechanical parts comprises a portal frame 1, two U-shaped seats 2 are arranged at the top of the portal frame, shaft rods 3 are rotatably arranged on the two U-shaped seats 2, and first gears 4 are fixedly arranged on the two shaft rods 3; the post rod 5 vertically penetrates through the portal frame 1 in a sliding mode, first racks 6 are mounted on opposite sides of the post rod 5, and the two first racks 6 are respectively meshed with the two first gears 4; a cross-shaped notch is formed in the portal frame 1 in a penetrating mode, the column rod 5 is of a cross-shaped structure, two faces of the column rod 5 are attached to two faces of the notch, the other two faces of the column rod 5 are not in contact with the other two faces of the notch, the two first racks 6 are respectively installed on the other two faces of the column rod 5, the column rod 5 and the notch are of structures which do not affect normal sliding of the column rod 5 and ensure that the two first gears 4 can be normally meshed with the two first racks 6, one ends of the two L-shaped rods 7 are respectively fixedly connected with the two shaft rods 3, the other ends of the two L-shaped rods 7 are hinged with a bearing plate 8, a limiting plate is constructed at one end, away from the shaft rods 3, of each L-shaped rod 7, the bearing plate 8 is hinged to the limiting plate, and the bearing plate 8 and the L-shaped rods 7 can form a U shape after rotating around a hinged point through the limiting plate; the mounting plate 9 is mounted at the bottom end of the column rod 5, two movable blocks 10 are arranged on the mounting plate 9 in a parallel sliding mode, two T-shaped sliding grooves are formed in the mounting plate 9, T-shaped sliding grooves are formed in the two movable blocks 10, the two T-shaped sliding blocks are inserted into the two T-shaped sliding grooves in a sliding mode respectively, supporting plates 11 are mounted at the ends, far away from each other, of the two movable blocks 10, and clamping plates 12 are mounted on the opposite sides of the two supporting plates 11; a driving part 13 installed on the mounting plate 9 for driving the two movable blocks 10 to synchronously and reversely slide, in order to make the device more reasonable, preferably, after the mounting plate 9 is jointed with the door-shaped frame 1, two ends of the bottom of the door-shaped frame 1 are longer than the two support plates 11, in practical use, the top end of the post rod 5 is connected with a crown block or a mechanical arm for driving the post rod 5 to ascend, descend or translate, when clamping a workpiece, the device is integrally moved to the position right above the workpiece, and the workpiece is positioned between the two clamp plates 12, the post rod 5 is moved downwards, when the bearing plate 8 contacts the workpiece, the bearing plate rotates around a hinge point and folds, two ends of the bottom of the door-shaped frame 1 first contact with the working table, when two ends of the bottom of the door-shaped frame 1 contact with the working table, the post rod 5 continuously moves downwards, the door-shaped frame 1 is separated from the mounting plate 9 and gradually increases the distance, and the post rod 5 moves downwards, two first racks 6 are respectively meshed with teeth of two first gears 4 to drive two shaft rods 3 to synchronously and reversely rotate, so that two L-shaped rods 7 are unfolded, after two support plates 11 are abutted against a worktable surface due to the downward movement of a column rod 5, two movable blocks 10 are driven to synchronously and reversely slide through a driving part 13, so that two clamping plates 12 clamp and fix a workpiece, after the workpiece is clamped and fixed, the column rod 5 moves upwards, when the column rod 5 moves upwards, a portal frame 1 descends under the action of gravity and is attached to an installation plate 9 again, when the portal frame 1 descends, the two L-shaped rods 7 are respectively rotated and reset through the meshing of the two first racks 6 and the teeth of the two first gears 4, when the L-shaped rods 7 are rotated and reset, a bearing plate 8 resets around a hinge point and forms a U shape with the L-shaped rods 7, and after the portal frame 1 is attached to the installation plate 9 again, two loading boards 8 bear the bottom of the workpiece, two clamping plates 12 clamp the workpiece, two loading boards 8 bear the bottom of the workpiece, so that the workpiece is clamped and moved in the process, the workpiece is more stable and cannot fall under the influence of gravity, when the workpiece is moved to another workbench surface and needs to be taken out and unloaded, the column rod 5 moves downwards, the portal frame 1 is preferentially contacted with the workbench surface, under the meshing of the teeth of the two first gears 4 and the two first racks 6, the two L-shaped rods 7 rotate and expand, so that the two loading boards 8 are separated from the bottom of the workpiece, so that the workpiece can be placed on the workbench surface, the portal frame 1 is attached to the mounting boards 9, the two ends of the portal frame 1 are longer than the two supporting boards 11, the height difference exists between the two supporting boards, the height difference is used for meeting the bearing or bearing relieving of the workpiece by the two loading boards 8, so that when the workpiece is clamped and moved, the two L-shaped rods 7 and the two loading boards 8 do not need to be manually adjusted, and the workpiece is convenient to use.

As shown in fig. 3 and 7, in some embodiments, the driving part 13 includes: a guide rod 1301 which rotatably penetrates through the mounting plate 9 and is positioned between the two movable blocks 10; a second gear 1302 fixed on the guide bar 1301; two second racks 1303 respectively installed at opposite sides of the two movable blocks 10 and engaged with the teeth of the second gear 1302; the hydraulic push rod 1304 is mounted on the mounting plate 9, the piston end of the hydraulic push rod 1304 is fixedly connected with one of the movable blocks 10, the hydraulic push rod 1304 works, the piston end of the hydraulic push rod drives one of the movable blocks 10 to slide, when one of the movable blocks 10 slides, the second rack 1303 on the hydraulic push rod drives the second gear 1302 to rotate, and when the second gear 1302 rotates, the other second rack 1303 is used for driving the other movable block 10 to reversely slide so as to achieve the effect of driving the other movable block 10 to reversely slide synchronously and synchronously.

In some embodiments, as shown in fig. 5, the clamping plate 12 is configured in a V-shape with the protruding plates extending from both ends, and the clamping plate 12 is configured to facilitate clamping not only square-shaped workpieces but also cylindrical workpieces, thereby improving the versatility of the clamping plate 12.

As shown in fig. 5, in some embodiments, rubber pads are mounted on opposite sides of the two clamping plates 12, and the rubber pads are arranged to increase the friction force of the clamping collision between the clamping plates 12 and the workpiece, and also to avoid metal collision fatigue when the clamping plates 12 and the workpiece are clamped, and to avoid damage to the surface of the workpiece caused by hard clamping of the workpiece, so that the workpiece is better clamped.

As shown in fig. 2, in some embodiments, a connecting seat 14 is installed at the top of the pole 5, a groove 15 is formed in the top of the connecting seat 14, a cross rod 16 is connected to the opposite side of the inner wall of the groove 15, ear plates are constructed on the opposite sides of the connecting seat 14, mounting holes are formed in the two ear plates in a penetrating mode, through the arrangement of the groove 15 and the cross rod 16, the steel rope iron chain is used for soft connection, the steel rope iron chain is suitable for overhead travelling cranes, the ear plates and the mounting holes are used for rigid connection, the steel rope iron chain is suitable for mechanical arms, and the connecting seat 14 is integrally constructed, so that the installation mode of the pole 5 is diversified and the practicability is better.

As shown in fig. 1, 2 and 3, in some embodiments, through grooves are formed in both ends of the top of the gantry 1, first reinforcing rods 17 are connected to the opposite sides of the column rod 5 and the mounting plate 9, the two first reinforcing rods 17 movably penetrate through the two through grooves respectively, the first reinforcing rods 17 are mounted to improve the connection strength between the column rod 5 and the mounting plate 9, and the gantry 1 does not normally slide along the column rod 5 due to the fact that the through grooves are formed.

As shown in fig. 3, in some embodiments, a second reinforcing rod 18 is connected between each of the two support plates 11 and each of the two movable blocks 10, and the second reinforcing rods 18 are installed to reinforce the connection strength between the support plates 11 and the movable blocks 10, so that the two clamping plates 12 have a better clamping and fixing effect on the workpiece.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. The utility model provides a device is got with linkage clamp in machine parts processing which characterized in that includes:

the top of the portal frame (1) is provided with two U-shaped seats (2), shaft levers (3) are rotatably arranged on the two U-shaped seats (2), and first gears (4) are fixedly arranged on the two shaft levers (3);

the column rod (5) vertically penetrates through the portal frame (1) in a sliding mode, first racks (6) are mounted on the opposite sides of the column rod (5), and the two first racks (6) are respectively meshed with the teeth of the two first gears (4);

one end of each L-shaped rod (7) is fixedly connected with the two shaft rods (3), and the other end of each L-shaped rod is hinged with a bearing plate (8);

the mounting plate (9) is mounted at the bottom end of the column rod (5), two movable blocks (10) are arranged on the mounting plate (9) in a sliding mode in parallel, a support plate (11) is mounted at one end, away from each other, of each movable block (10), and a clamping plate (12) is mounted on the opposite side of each support plate (11);

and the driving part (13) is arranged on the mounting plate (9) and is used for driving the two movable blocks (10) to synchronously and reversely slide.

2. The machine part machining linkage clamping device as claimed in claim 1, wherein the driving portion (13) comprises:

the guide rod (1301) penetrates through the mounting plate (9) in a rotating mode and is located between the two movable blocks (10);

the second gear (1302) is fixedly arranged on the guide rod (1301);

two second racks (1303) respectively installed on opposite sides of the two movable blocks (10) and engaged with the teeth of the second gear (1302);

and the hydraulic push rod (1304) is arranged on the mounting plate (9), and the piston end of the hydraulic push rod is fixedly connected with one of the movable blocks (10).

3. The machine part machining linkage clamping device is characterized in that the clamping plates (12) are V-shaped, and convex plates extend from two ends of the clamping plates.

4. A mechanical parts processing linkage clamping device as claimed in claim 1, wherein rubber pads are mounted on opposite sides of the two clamping plates (12).

5. The mechanical part machining linkage clamping device is characterized in that a connecting seat (14) is installed at the top of the post rod (5), a groove (15) is formed in the top of the connecting seat (14), a cross rod (16) is connected to the opposite side of the inner wall of the groove (15), lug plates are formed on the opposite sides of the connecting seat (14), and mounting holes are formed in the two lug plates in a penetrating mode.

6. The linkage clamping device for machining mechanical parts as claimed in claim 1, wherein through grooves are formed in two ends of the top of the portal frame (1) in a penetrating manner, first reinforcing rods (17) are connected to the opposite sides of the column rods (5) and the mounting plate (9), and the two first reinforcing rods (17) movably penetrate through the two through grooves respectively.

7. The mechanical part machining linkage clamping device is characterized in that a second reinforcing rod (18) is connected between each of the two support plates (11) and each of the two movable blocks (10).

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