CN220806382U - Gantry machining center beam clamping mechanism - Google Patents

Abstract

The utility model relates to the technical field of gantry machining clamping, and discloses a gantry machining center beam clamping mechanism, which solves the problem of using defects of the traditional gantry machining center clamping device and comprises a beam body, wherein two first inverted L-shaped grooves and two second inverted L-shaped grooves are symmetrically formed in the bottom of the beam body, the two first inverted L-shaped grooves are positioned between the two second inverted L-shaped grooves, the upper parts of the first inverted L-shaped grooves are communicated with the middle parts of the second inverted L-shaped grooves, gear columns are rotatably arranged between the first inverted L-shaped grooves and the middle parts of the second inverted L-shaped grooves, first sliding rods are fixedly arranged on the upper parts of the first inverted L-shaped grooves, and second sliding rods are fixedly arranged on the upper parts of the second inverted L-shaped grooves; the transverse beam clamping mechanism can effectively reduce the transverse volume of the gantry machining center, and can be greatly moved and adjusted, so that the gantry machining center can clamp objects with different sizes, and the performance of the small gantry machining center is effectively improved.

Description

Gantry machining center beam clamping mechanism

Technical Field

The utility model belongs to the technical field of gantry machining clamping, and particularly relates to a beam clamping mechanism of a gantry machining center.

Background

The gantry machining center is a machining center with the axis of a Z-axis of a main shaft perpendicular to a workbench, the whole structure is a large-scale machining center with a portal structure frame formed by double upright posts and top beams, and a cross beam is arranged between the double upright posts, so that the gantry machining center is particularly suitable for machining large-scale workpieces and workers with complex shapes; the clamping device for the existing gantry machining center is usually provided with motors on the upright posts on two sides to clamp objects, and the clamping mechanisms on two sides can cause the transverse size of the device to be too large, so that the clamping processing of the gantry machining center on objects with different sizes is not facilitated, and therefore the clamping device for the existing gantry machining center has the defect of use and needs to be improved.

Disclosure of utility model

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the beam clamping mechanism of the gantry machining center, which effectively solves the problem that the existing clamping device of the gantry machining center has the use defects.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a gantry machining center crossbeam clamping mechanism, includes the crossbeam body, two first L-shaped grooves and two second L-shaped grooves have been seted up to the bottom symmetry of crossbeam body, two first L-shaped grooves are located between two second L-shaped grooves, and the upper portion in first L-shaped groove and the middle part intercommunication in second L-shaped groove, rotate between the middle part in first L-shaped groove and the second L-shaped groove and install the gear post, the equal fixed mounting in upper portion in first L-shaped groove has first slide bar, the equal fixed mounting in upper portion in second L-shaped groove has the second slide bar, the equal slidable mounting in one side of first slide bar has first slider, the equal slidable mounting in one side that first slider was kept away from to the second slide bar has the second slider, equal fixed connection U-shaped fixed block between the bottom of two first sliders and between the bottom of two second sliders, equal fixed mounting clamping plate between the opposite sides of two U-shaped fixed blocks, one side slidable mounting has the first rack with first fixed connection's, one side equal slidable mounting in second slide bar has the second rack with second fixed connection, rack and second rack is all meshed with the rack.

Preferably, the transmission cavity has been seted up on the upper portion at crossbeam body middle part, and the axle center of two gear columns all extends to the inside of transmission cavity and fixedly connected with transmission gear wheel, and two transmission gear wheels meshing are connected, and the motor is installed at the top of crossbeam body, and the output of motor extends to the inside of transmission cavity and with one of them transmission gear wheel fixed connection to can effectually carry out the transmission and adjust.

Preferably, a pair of grooves are formed in one side, opposite to each other, of each U-shaped fixing block, a curved rod is rotatably connected in each groove, and clamping balls are fixedly connected to the bottoms of the curved rods.

Preferably, the upper portion of curved bar is all fixedly connected with drive arm, and the spout has all been seted up at the middle part of drive arm, and the equal fixed mounting in middle part of two U-shaped fixed blocks opposite sides has flexible jar, and the equal fixedly connected with linking bridge in bottom of flexible jar is connected between the inside of two spouts to can effectually press from both sides the tight hook to the article.

Compared with the prior art, the utility model has the beneficial effects that:

(1) In operation, through being provided with the crossbeam body, the first inverted L-shaped groove, the second inverted L-shaped groove, the gear column, the first sliding rod, the second sliding rod, the first sliding block, the first rack, the second sliding block, the second rack, the U-shaped fixed block, the clamping plate, the transmission cavity, the transmission large gear and the motor, the crossbeam clamping mechanism can effectively reduce the transverse volume of the gantry machining center, and the crossbeam clamping mechanism can be greatly moved and adjusted, so that the gantry machining center can clamp objects with different sizes, the performance of the small gantry machining center is effectively improved, and meanwhile, the crossbeam clamping mechanism is simple in structure, convenient to use, and stable and reliable in adjustment and clamping;

(2) Through being provided with recess, bent lever, card ball, transmission arm, spout, telescopic cylinder and linking box, make this longmen machining center crossbeam clamping mechanism can also carry out the centre gripping hook to some processing articles to the convenience removes the regulation to processing articles.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic illustration of a cross beam clamping mechanism of the present utility model in a front cross-sectional configuration;

FIG. 2 is a schematic view of a part of the beam clamping mechanism of the present utility model;

FIG. 3 is a schematic diagram of a portion of the structure of FIG. 1 according to the present utility model;

FIG. 4 is a schematic diagram of a portion of the structure of FIG. 1 according to the present utility model;

In the figure: 1. a beam body; 2. a first inverted-L-shaped groove; 3. a second inverted-L-shaped groove; 4. a gear post; 5. a first slide bar; 6. a second slide bar; 7. a first slider; 701. a first rack; 8. a second slider; 801. a second rack; 9. a U-shaped fixed block; 10. clamping the clamping plate; 11. a transmission cavity; 12. a transmission gearwheel; 13. a motor; 14. a groove; 15. a curved bar; 16. ball clamping; 17. a transmission arm; 18. a chute; 19. a telescopic cylinder; 20. and (5) connecting a frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the first embodiment, as shown in fig. 1 to 4, the utility model comprises a beam body 1, two first inverted L-shaped grooves 2 and two second inverted L-shaped grooves 3 are symmetrically arranged at the bottom of the beam body 1, the two first inverted L-shaped grooves 2 are positioned between the two second inverted L-shaped grooves 3, the upper parts of the first inverted L-shaped grooves 2 are communicated with the middle parts of the second inverted L-shaped grooves 3, a gear column 4 is rotatably arranged between the middle parts of the first inverted L-shaped grooves 2 and the second inverted L-shaped grooves 3, first slide bars 5 are fixedly arranged at the upper parts of the first inverted L-shaped grooves 2, second slide bars 6 are fixedly arranged at the upper parts of the second inverted L-shaped grooves 3, a first slide block 7 is slidably arranged at one side of the first slide bars 5, a second slide block 8 is slidably arranged at one side of the second slide bars 6 far from the first slide block 7, U-shaped fixing blocks 9 are fixedly connected between the bottoms of the two first sliding blocks 7 and between the bottoms of the two second sliding blocks 8, clamping plates 10 are fixedly installed between opposite sides of the two U-shaped fixing blocks 9, a first rack 701 fixedly connected with the first sliding blocks 7 is slidably installed on one side of each first sliding rod 5, a second rack 801 fixedly connected with the second sliding blocks 8 is slidably installed on one side of each second sliding rod 6, the second rack 801 and the first rack 701 are in meshed connection with the gear column 4, the gear column 4 is located between the second rack 801 and the first rack 701, the first rack 701 is connected to the lower portion of the gear column 4, and the second rack 801 is connected to the upper portion of the gear column 4; the upper part of the middle part of the beam body 1 is provided with a transmission cavity 11, the axes of the two gear columns 4 extend to the inside of the transmission cavity 11 and are fixedly connected with transmission large gears 12, the two transmission large gears 12 are connected in a meshed manner, the top of the beam body 1 is provided with a motor 13, and the output end of the motor 13 extends to the inside of the transmission cavity 11 and is fixedly connected with one of the transmission large gears 12, so that transmission adjustment can be effectively performed;

When two clamping plates 10 are needed to clamp an object, the object is positioned between the two clamping plates 10, then a motor 13 is started, two transmission large gears 12 are rotated in a back-to-back mode, the two transmission large gears 12 are rotated in a back-to-back mode to drive two gear columns 4 to rotate in a back-to-back mode, the rotation of the gear columns 4 drives a second rack 801 and a first rack 701 to move, the surfaces of the second rack 801 and the first rack 701 respectively move relatively to the surfaces of a second slide bar 6 and a first slide bar 5, finally the second slide block 8 and the first slide block 7 drive two U-shaped fixing blocks 9 to move relatively, and the two U-shaped fixing blocks 9 which move relatively drive the two clamping plates 10 to move relatively to clamp the object.

In the second embodiment, on the basis of the first embodiment, a pair of grooves 14 are formed in one side, opposite to each other, of each U-shaped fixing block 9, a curved bar 15 is rotatably connected in each groove 14, a clamping ball 16 is fixedly connected to the bottom of each curved bar 15, a transmission arm 17 is fixedly connected to the upper portion of each curved bar 15, a sliding groove 18 is formed in the middle of each transmission arm 17, telescopic cylinders 19 are fixedly mounted in the middle of one side, opposite to each other, of each U-shaped fixing block 9, connecting frames 20 are fixedly connected to the bottoms of the telescopic cylinders 19, and the connecting frames 20 are connected between the interiors of the two sliding grooves 18, so that objects can be clamped and hooked effectively;

After the article is located between two chucking grip blocks 10, and this article weight is great, the upper portion of this article presents T shape structure simultaneously, start two telescopic cylinder 19 and extend down move this moment, the extension of telescopic cylinder 19 moves down and can promote the connection frame 20 and move down, the lower of connection frame 20 moves down through spout 18 can promote the transmission arm 17 and moves down, the lower of transmission arm 17 can promote the rotation to curved bar 15, the rotation of curved bar 15 can drive card ball 16 and rotate, finally make four card balls 16 carry out the clamp hook to the upper portion of article and fall, thereby can be stable and convenient remove the article.

This crossbeam clamping mechanism can effectually reduce the horizontal volume of longmen machining center to crossbeam clamping mechanism can carry out the removal regulation by a wide margin, thereby makes longmen machining center can carry out the centre gripping to the object of equidimension not, the effectual performance that improves little longmen machining center, this longmen machining center crossbeam clamping mechanism can also carry out the centre gripping hook to some processing articles simultaneously, thereby conveniently remove the regulation to processing articles, consequently, this crossbeam clamping mechanism simple structure, convenient to use adjusts and presss from both sides tightly reliable.

Claims (4)

1. The utility model provides a longmen machining center crossbeam clamping mechanism, includes crossbeam body (1), its characterized in that: two first inverted L-shaped grooves (2) and two second inverted L-shaped grooves (3) are symmetrically formed in the bottom of the beam body (1), the two first inverted L-shaped grooves (2) are located between the two second inverted L-shaped grooves (3), the upper portion of the first inverted L-shaped grooves (2) is communicated with the middle portion of the second inverted L-shaped grooves (3), a gear column (4) is rotatably mounted between the middle portions of the first inverted L-shaped grooves (2) and the second inverted L-shaped grooves (3), first sliding rods (5) are fixedly mounted on the upper portion of the first inverted L-shaped grooves (2), second sliding rods (6) are fixedly mounted on the upper portion of the second inverted L-shaped grooves (3), first sliding blocks (7) are slidably mounted on one side of the first sliding rods (5), second sliding blocks (8) are slidably mounted on one side of the second sliding rods (6) far away from the first sliding blocks (7), U-shaped fixing blocks (9) are fixedly connected between the bottoms of the two first sliding blocks (7) and the bottoms of the two second sliding blocks (8), first sliding blocks (801) are fixedly mounted on one side of the first sliding blocks (7) and are fixedly connected with the first sliding blocks (801) which are fixedly mounted on one side of the second sliding blocks (10), the second rack (801) and the first rack (701) are both in meshed connection with the gear column (4).

2. The gantry machining center beam clamping mechanism of claim 1, wherein: the upper portion at crossbeam body (1) middle part has seted up transmission chamber (11), and the axle center of two gear columns (4) all extends to the inside of transmission chamber (11) and fixedly connected with transmission gear wheel (12), and two transmission gear wheel (12) meshing are connected, and motor (13) are installed at the top of crossbeam body (1), and the output of motor (13) extends to the inside of transmission chamber (11) and with one of them transmission gear wheel (12) fixed connection.

3. The gantry machining center beam clamping mechanism of claim 1, wherein: a pair of grooves (14) are formed in one side, opposite to each other, of each U-shaped fixing block (9), a bent rod (15) is rotatably connected in each groove (14), and clamping balls (16) are fixedly connected to the bottoms of the bent rods (15).

4. A gantry machining center beam clamping mechanism according to claim 3, wherein: the upper portion of bent lever (15) is all fixedly connected with transfer arm (17), and spout (18) have all been seted up at the middle part of transfer arm (17), and the middle part of two U-shaped fixed blocks (9) opposite sides is all fixed mounting has flexible jar (19), and the bottom of flexible jar (19) is all fixedly connected with connecting frame (20), and connecting frame (20) are connected between the inside of two spouts (18).