Multi-station machining clamp of numerical control gantry machining center

Abstract

The utility model discloses a multi-station machining clamp of a numerical control gantry machining center, and relates to the technical field of multi-station clamps. The first adjusting assembly comprises a moving frame; the sliding block is installed on a sliding rail fixedly installed on the fixing plate in a sliding mode. Symmetrical chain wheels are arranged on the two sides of the interior of the movable frame. The bottom of the sliding plate is slidably mounted on the moving frame; a plurality of clamps with the same structure are arranged at the top of the sliding plate; the clamp comprises a fixed clamp and a movable clamp, and the end, away from the fixed clamp, of the movable clamp is fixedly installed on a push rod of an electric push cylinder. The bottom of the mounting seat is fixedly mounted with the sliding plate; a workpiece is placed between the fixed clamp and the movable clamp which correspond to each other, the electric push cylinders mounted in the mounting seat drive the movable clamp to move towards the fixed clamp, so that the workpiece is effectively clamped and fixed, and the movable clamp is matched with the multiple electric push cylinders, so that when the clamp clamps the workpiece, the workpiece is clamped by the clamp, and the work efficiency is improved. And the workpieces with different sizes can be effectively clamped.

Description

TECHNICAL FIELD

[0001] The utility model relates to multi -position clamp technical field, specifically a kind of multi -position machining clamp of numerical control gantry machining center. BACKGROUND

[0002] Multi-position clamp for machining center is a device that can clamp and position multiple workpieces or multiple machining surfaces of a workpiece simultaneously on a machining center;Multi-position clamp can complete multiple processes in one clamping process, as multiple stations are processed under the positioning reference of the same clamp, reducing the positioning error caused by multiple clamping, and for mass-produced parts, multi-position clamp can quickly clamp and position multiple workpieces;

[0003] Now, the traditional multi-position clamp can only achieve simple clamping effect on workpieces when in use, which increases the stroke of machining tools during machining, and the traditional clamp cannot effectively adjust the position of workpieces when machining and cutting other angles of workpieces, and the traditional multi-position clamp can only clamp workpieces of different sizes, which reduces the working efficiency of fixed clamps and requires replacing clamps with different clamping effects according to workpieces of different sizes, which is time-consuming and laborious.

[0004] After searching, Chinese patent application No. CN202021411842.3 discloses a multi-position conductive pillar machining center milling machining tool clamp; it contains one or more sets of clamping bodies; the clamping body includes a positioning block and a tightening block; the positioning block and the tightening block are mounted on an elastic base; first and second elastic blocks are attached to the two sides of the positioning block; the first elastic block is connected to the elastic base through a first connecting plate, and the second elastic block is connected to the elastic base through a second connecting plate; the positioning block has a clamping groove at the junction with the first and second elastic blocks for mounting machining workpieces;

[0005] When the clamp in the above patent clamps the workpiece, it effectively clamps and fixes the workpiece through the cooperation between the air cylinder and the tightening block, so that when clamping, the tightening block in the above patent is arranged in the same structure, so that when clamping the workpiece, it can only clamp and fix workpieces of the same size specification, and when the size of the workpiece changes, the clamp in the above patent cannot effectively clamp and fix the workpiece, and the clamping structure in the above patent is installed on the base, and during machining on the machining center, only the movement of the tool can realize machining at different positions of the workpiece, which increases the stroke of the tool and reduces the working efficiency of the machining center. Utility model content

[0006] The utility model discloses a numerical control gantry machining center multi -position processing clamp, in this structure, the clamp of multiple stations is installed on the slide plate, when clamping and fixing workpiece, the control of single electric push cylinder between each group of clamps, can realize the placement of different size workpiece between fixed clamp and movable clamp, need to satisfy the clamping need of different size workpiece, in the processing process, still can realize the rotation of driven gear by the rotation of first drive motor, realize the rotation of chain wheel of both ends of the rotating shaft and drive chain when driven gear rotates, realize the lateral movement of slide plate driven by connecting strip when chain rotates, thereby effectively adjust the position of clamp, satisfy the different processing need of workpiece, still can realize the movement of moving frame along the slide rail on fixed plate driven by connecting belt to solve the problem of above -mentioned background art.

[0007] To realize above -mentioned purpose, the utility model provides the following technical scheme:

[0008] A numerical control gantry machining center multi -position processing clamp, including first adjusting assembly, first adjusting assembly includes moving frame, the bottom fixed mounting of moving frame has two groups of symmetrical sliding block, the sliding installation of sliding block and the fixed installation of slide rail on fixed plate, the inside both sides of moving frame are all provided with symmetrical sprocket, the cooperation connection of chain between two sprocket, realize the lateral movement of slide plate along moving frame driven by connecting strip through sprocket and drive chain, thereby adjust the position of whole clamp,

[0009] The chain and connecting strip fixed connection of slide plate bottom embedding, the sliding installation of slide plate bottom and moving frame, the top of slide plate is provided with a plurality of same structure's clamp, and the clamp includes fixed clamp and movable clamp, wherein, the fixed installation of push rod of electric push cylinder at the end away from fixed clamp of movable clamp, the fixed installation of electric push cylinder in mounting seat, the fixed installation of mounting seat bottom and slide plate, drive movable clamp to fixed clamp through electric push cylinder, thereby realize the effective clamping of workpiece between two clamps, and each movable clamp is pushed through corresponding electric push cylinder, so that the clamping and fixing of workpiece of different size between each clamp can be realized.

[0010] As a further technical scheme of the utility model, the bottom fixed mounting of moving frame one end has first drive motor, the fixed installation of driving gear on the output shaft of first drive motor, the meshing connection of driving gear and driven gear, the uniform helical gear of driving gear and driven gear, wherein, the fixed connection of sprocket of both ends of rotating shaft installation and moving frame inside one end setting of driven gear installation, driven gear is installed on the rotating shaft, when driven gear drives rotating shaft to rotate, the effective rotation of sprocket of both ends of rotating shaft is realized, thereby realizing the adjustment of slide plate to axial direction.

[0011] As a further technical scheme of the utility model, the first adjusting assembly bottom is provided with a second adjusting assembly between the fixed plate; the second adjusting assembly comprises a second driving motor; the second driving motor is fixedly installed at one end of the fixed plate bottom; the second driving motor output shaft penetrates the fixed plate and is fixedly installed with a rotating wheel; the fixed plate is provided with a driven wheel matched with the rotating wheel on the second driving motor output shaft at the end away from the second driving motor, and the rotating wheel and the driven wheel are matched and connected through a connecting belt;

[0012] As a further technical scheme of the utility model, the rotating wheel and the driven wheel are provided with a mounting shell at the top; the mounting shell is provided in a C shape; the mounting shell bottom is fixedly installed with the fixed plate;

[0013] As a further technical scheme of the utility model, a sliding groove for sliding of a connecting buckle is formed in the mounting shell side wall; one end of the connecting buckle is connected with the connecting belt, and the other end is fixedly installed with the mobile frame bottom; when the connecting belt is driven to rotate by the second driving motor, the connecting buckle installed on the connecting belt is fixedly installed with the mobile frame bottom, the mobile frame is effectively moved along the slide rail on the fixed plate, and the overall position of the first adjusting assembly is adjusted;

[0014] As a further technical scheme of the utility model, the mobile frame two ends are fixedly installed with a limiting plate for limiting the slide plate; the two limiting plates are provided with a buffer ring inside; the support range of the mobile frame is effectively avoided when the slide plate slides left and right;

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] In this invention, the workpiece is placed between corresponding fixed and movable clamps. An electric pusher cylinder installed inside the mounting base drives the movable clamp towards the fixed clamp, effectively clamping and fixing the workpiece. Multiple movable clamps cooperate with multiple electric pusher cylinders, thus effectively clamping workpieces of different sizes. After clamping and fixing, a second drive motor drives the connecting belt between the rotating wheel and the driven wheel to rotate, causing the connecting buckle to move the first adjusting component. This moves the first adjusting component to the workpiece's processing position. During the movement of the first adjusting component, the slider at the bottom of the movable frame slides effectively along the slide rail on the fixed plate. In this invention, after the first adjustment component moves the slide plate and fixture into position, during the processing, when the workpiece's processing position needs to be adjusted, the first drive motor drives the driving gear and driven gear to mesh. The driven gear is mounted on the rotating shaft, and at the same time, the sprockets connected to both ends of the rotating shaft rotate synchronously. This allows the chain to drive the slide plate to slide along the moving frame through the connecting strip. During the sliding of the slide plate, the limiting plates installed at both ends of the moving frame effectively limit the sliding distance of the slide plate, preventing the slide plate from moving the fixture too much and affecting the processing effect and quality of the machining center. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0018] Figure 2 This utility model Figure 1 Another perspective structural diagram.

[0019] Figure 3 This utility model Figure 1 Side view.

[0020] Figure 4 This utility model Figure 1 The main view.

[0021] Figure 5 This utility model Figure 2 Diagram showing the splitting process.

[0022] Figure 6 This utility model Figure 5 Bottom view of the first adjustment component in the middle.

[0023] Figure 7 This utility model Figure 5 Schematic diagram of the bottom structure of the sliding plate.

[0024] Figure 8 This utility model Figure 5The internal structure diagram of the first adjusting assembly.

[0025] Figure 9 The first adjusting assembly is used for Figure 1 The assembly view of the connecting belt and the connecting buckle.

[0026] Figure 10 The second adjusting assembly is used for Figure 5 The enlarged view of the local structure at A.

[0027] In the figure: 1 - fixed plate, 2 - slide rail, 3 - clamp, 30 - fixed clamp, 31 - movable clamp, 32 - electric push cylinder, 33 - mounting seat, 4 - first adjusting assembly, 40 - movable frame, 41 - sliding block, 42 - chain wheel, 43 - driven gear, 44 - driving gear, 45 - first driving motor, 46 - chain, 47 - limiting plate, 48 - rotating shaft, 5 - second adjusting assembly, 50 - second driving motor, 51 - mounting shell, 52 - connecting belt, 53 - rotating wheel, 6 - sliding plate, 7 - connecting buckle, 8 - connecting strip. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0029] Please refer to Figures 1-10 In the embodiments of the present application, a multi-station machining clamp of a numerical control gantry machining center comprises a first adjusting assembly 4. The first adjusting assembly 4 comprises a movable frame 40. Two groups of symmetrical sliding blocks 41 are fixedly installed at the bottom of the movable frame 40. The sliding blocks 41 are slidingly installed with the slide rails 2 fixedly installed on the fixed plate 1. The movable frame 40 is internally provided with symmetrical chain wheels 42 on both sides. Two chain wheels 42 are connected through a chain 46.

[0030] The chain 46 is fixedly connected with the connecting strips 8 embedded at the bottom of the sliding plate 6. The bottom of the sliding plate 6 is slidingly installed with the movable frame 40. The top of the sliding plate 6 is provided with a plurality of clamps 3 of the same structure. The clamps 3 comprise fixed clamps 30 and movable clamps 31. The movable clamps 31 are fixedly installed with the push rod of the electric push cylinder 32 at the end away from the fixed clamps 30. The electric push cylinder 32 is fixedly installed in the mounting seat 33. The bottom of the mounting seat 33 is fixedly installed with the sliding plate 6.

[0031] The first drive motor 45 is fixedly installed at one end of the bottom of the moving frame 40; the output shaft of the first drive motor 45 is fixedly installed with a driving gear 44; the driving gear 44 is in meshing connection with a driven gear 43; the driving gear 44 and the driven gear 43 are both uniform helical gears; and the two ends of the rotating shaft 48 of the driven gear 43 are fixedly connected with the chain wheels 42 arranged at one end of the inner side of the moving frame 40.

[0032] By adopting the above technical scheme, when in use, the workpiece is placed between the corresponding fixed clamp 30 and the moving clamp 31, and the moving clamp 31 is driven to move towards the fixed clamp 30 by the electric push cylinder 32 installed inside the mounting seat 33, so that the clamping and fixing of the workpiece are effectively realized; the plurality of moving clamps 31 are matched with the plurality of electric push cylinders 32, so that when the clamps 3 clamp the workpiece, the effective clamping of workpieces of different sizes is effectively realized.

[0033] In the embodiment, the second adjusting assembly 5 is arranged between the bottom of the first adjusting assembly 4 and the fixed plate 1; the second adjusting assembly 5 comprises a second drive motor 50; the second drive motor 50 is fixedly installed at one end of the bottom of the fixed plate 1; the output shaft of the second drive motor 50 penetrates through the fixed plate 1 and is fixedly installed with a rotating wheel 53; one end of the fixed plate 1 away from the second drive motor 50 is provided with a driven wheel matched with the rotating wheel 53 on the output shaft of the second drive motor 50, and the rotating wheel 53 and the driven wheel are matched and connected through a connecting belt 52;

[0034] The rotating wheel 53 and the driven wheel are provided with a mounting shell 51 at the top; the mounting shell 51 is arranged in a C shape; and the bottom of the mounting shell 51 is fixedly installed with the fixed plate 1;

[0035] By adopting the above technical scheme, after the clamps 3 are clamped and fixed, the connecting belt 52 between the rotating wheel 53 and the driven wheel is rotated by the second drive motor 50, the connecting buckle 7 drives the first adjusting assembly 4 to move, so that the first adjusting assembly 4 is moved to the machining position of the workpiece as a whole, and when the first adjusting assembly 4 moves, the sliding block 41 at the bottom of the moving frame 40 effectively slides along the sliding rail 2 on the fixed plate 1;

[0036] In the embodiment, a sliding groove for facilitating the sliding of the connecting buckle 7 is formed in the side wall of the mounting shell 51; one end of the connecting buckle 7 is connected with the connecting belt 52, and the other end is fixedly installed with the bottom of the moving frame 40;

[0037] The moving frame 40 is fixedly installed with a limiting plate 47 at both ends for limiting the sliding plate 6; the inner side of the limiting plate 47 is provided with a buffer ring;

[0038] By adopting the above technical scheme, after the first adjusting assembly 4 drives the sliding plate 6 and the clamp 3 to move to the position, in the process of machining, when the machining position of the workpiece needs to be adjusted, the first driving motor 45 drives the driving gear 44 to engage with the driven gear 43, the driven gear 43 is installed on the rotating shaft 48, at the same time, the chain wheels 42 connected at both ends of the rotating shaft 48 rotate synchronously, so that the chain 46 drives the sliding plate 6 to slide along the moving frame 40 through the connecting strip 8, in the process of sliding of the sliding plate 6, the sliding interval of the sliding plate 6 is effectively limited by the limiting plates 47 installed at both ends of the moving frame 40, so that the moving distance is not too large, the position of the clamp 3 driven by the sliding plate 6 is not too much, and the machining effect and machining quality of the machining center are affected.

[0039] The working principle of the utility model is: when using, the workpiece is placed between the corresponding fixed clamp 30 and movable clamp 31, the movable clamp 31 is driven to move to the fixed clamp 30 by the electric push cylinder 32 installed in the mounting seat 33, so that the clamping and fixing of the workpiece are effectively realized, a plurality of movable clamps 31 are matched with a plurality of electric push cylinders 32, so that when the clamp 3 clamps the workpiece, the clamping of the workpiece of different sizes is effectively realized.

[0040] After the clamp 3 is clamped and fixed, the connecting belt 52 between the rotating wheel 53 and the driven wheel is rotated by the second driving motor 50, the first adjusting assembly 4 is driven to move by the connecting buckle 7, so that the first adjusting assembly 4 is integrally moved to the machining position of the workpiece, when the first adjusting assembly 4 moves, the sliding block 41 at the bottom of the moving frame 40 effectively slides along the sliding rail 2 on the fixed plate 1.

[0041] After the first adjusting assembly 4 drives the sliding plate 6 and the clamp 3 to move to the position, in the process of machining, when the machining position of the workpiece needs to be adjusted, the first driving motor 45 drives the driving gear 44 to engage with the driven gear 43, the driven gear 43 is installed on the rotating shaft 48, at the same time, the chain wheels 42 connected at both ends of the rotating shaft 48 rotate synchronously, so that the chain 46 drives the sliding plate 6 to slide along the moving frame 40 through the connecting strip 8, in the process of sliding of the sliding plate 6, the sliding interval of the sliding plate 6 is effectively limited by the limiting plates 47 installed at both ends of the moving frame 40, so that the moving distance is not too large, the position of the clamp 3 driven by the sliding plate 6 is not too much, and the machining effect and machining quality of the machining center are affected.

[0042] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0043] Furthermore, it should be understood that although the present specification is described in terms of embodiments, not every embodiment according to the present specification needs to exhibit each and every characteristic specified in the present specification. The specification can also be described in terms of a single preferred embodiment, it being understood that this single preferred embodiment can exhibit not every aspect or feature of the present specification. The specification can also be described in terms of a generic statement that the disclosure can include one, some, or all of a list of features. It is further understood that the specification is to be considered as a whole and not with reference to a single feature or design element alone.

Claims

1. A multi-station machining fixture for a CNC gantry machining center, characterized by: Including first adjusting component (4), this first adjusting component (4) includes moving frame (40), the moving frame (40) bottom fixed installation two groups symmetry's sliding block (41), the sliding block (41) with the fixed plate (1) on fixed installation slide rail (2) sliding installation, the moving frame (40) inside both sides are provided with symmetry's sprocket (42), two the sprocket (42) between through chain (46) cooperation connection, The chain (46) is fixedly connected with the connecting strip (8) embedded in the bottom of the sliding plate (6), the sliding plate (6) is slidingly installed on the bottom of the moving frame (40), the top of the sliding plate (6) is provided with a plurality of clamps (3) with the same structure, the clamp (3) includes a fixed clamp (30) and a movable clamp (31), wherein, the movable clamp (31) is fixedly installed on the push rod of the electric push cylinder (32) away from the fixed clamp (30), the electric push cylinder (32) is fixedly installed in the installation seat (33), and the bottom of the installation seat (33) is fixedly installed on the sliding plate (6).

2. The multi-station machining fixture for a CNC gantry machining center according to claim 1, characterized in that: The first driving motor (45) is fixedly installed on the output shaft of the first driving motor (45), the driving gear (44) is fixedly installed on the output shaft of the first driving motor (45), the driving gear (44) is meshed with the driven gear (43), the driving gear (44) and the driven gear (43) are evenly inclined gears, wherein, the driven gear (43) is fixedly connected with the sprocket (42) provided on one end of the inner side of the moving frame (40).

3. The multi-station machining fixture for a CNC gantry machining center according to claim 1, wherein: The second adjusting component (5) is arranged between the bottom of the first adjusting component (4) and the fixed plate (1), the second adjusting component (5) includes a second driving motor (50), the second driving motor (50) is fixedly installed on one end of the bottom of the fixed plate (1), the output shaft of the second driving motor (50) penetrates the fixed plate (1) and is fixedly installed with a rotating wheel (53), one end of the fixed plate (1) away from the installed second driving motor (50) is provided with a driven wheel matched with the rotating wheel (53) on the output shaft of the second driving motor (50), and the rotating wheel (53) and the driven wheel are connected through the connecting belt (52).

4. The multi-station machining fixture for a CNC gantry machining center according to claim 3, wherein: The rotating wheel (53) and the driven wheel are provided with an installation shell (51) on the top, the installation shell (51) is provided in a C type, and the bottom of the installation shell (51) is fixedly installed on the fixed plate (1).

5. The multi-station machining fixture for CNC gantry machining center according to claim 4, characterized in that: The side wall of the installation shell (51) is provided with a sliding groove for sliding connection buckle (7), one end of the connection buckle (7) is connected with the connecting belt (52), and the other end is fixedly installed on the bottom of the moving frame (40).

6. The multi-station machining fixture for CNC gantry machining center according to claim 4, characterized in that: The moving frame (40) is fixedly installed with a limiting plate (47) for limiting the sliding plate (6) on both ends, and the inner side of the two limiting plates (47) is provided with a buffer ring.

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