CN221849424U - Parts fixture for turning and milling composite machining center - Google Patents

Abstract

The utility model relates to the technical field of clamps, in particular to a part clamp for a turning and milling composite machining center. The utility model comprises a base, wherein the top end of the base is rotationally connected with a turntable, the top end of the turntable is fixedly provided with an adjusting box, both ends of the top end of the adjusting box are respectively and slidably connected with a supporting seat, both sides of the top end of the base are respectively and slidably connected with a transmission block, the bottom end of the supporting seat is provided with a transverse clamping mechanism, the bottom end of the transmission block is provided with a limiting clamping mechanism, and the inside of the supporting seat is provided with a buffer mechanism. According to the part clamp for the turning and milling composite machining center, the workpiece is placed on the adjusting box for machining, the limiting clamping mechanism is used for initially clamping the workpiece, the workpiece is adjusted continuously according to the machining position of the workpiece, the workpiece is convenient to move, and when the position of the workpiece is determined, the workpiece is further clamped by the transverse clamping mechanism, and at the moment, the workpiece is clamped in four directions by the two transmission blocks and the supporting seat.

Description

A parts fixture for a turning and milling compound machining center

Technical Field

The utility model relates to the technical field of clamps, in particular to a part clamp for a turning and milling compound machining center.

Background Art

The turning and milling compound machining center can clamp the workpiece at one time to realize multi-process and multi-content processing such as turning and milling.

For example, patent CN212577605U discloses a milling machine for automobile parts production, including a base plate, a groove is provided on the top of the base plate, a spring sleeve is fixedly connected to the inner wall of the groove, a spring is fixedly connected to the inner wall of the spring sleeve, one end of the spring is fixedly connected to a support rod, one end of the support rod is fixedly connected to a support seat, and a slide groove is provided on the top of the support seat.

When using the above technology, it was found that the following technical problems exist in the prior art: the above prior art clamps the workpiece on both sides, and direct pressure is likely to cause the workpiece to shift, which will make the processed workpiece fail to meet the size standards and cause economic losses. Secondly, the existing fixture cannot rotate the workpiece during use, resulting in only a single part of the workpiece being processed, which greatly reduces the processing efficiency. For this reason, we designed a part fixture for a turning and milling compound machining center to provide another technical solution to the above technical problems.

Utility Model Content

Based on this, it is necessary to provide a part fixture for a turning-milling composite machining center to address the above-mentioned technical problems. The workpiece is placed on an adjustment box for processing. The limit clamping mechanism first clamps the workpiece preliminarily, and continuously adjusts according to the processing position of the workpiece to facilitate the movement of the workpiece. When the position of the workpiece is determined, the transverse clamping mechanism further clamps the workpiece. At this time, the two transmission blocks and the support seat clamp the workpiece in four positions, thereby improving the stability of the workpiece.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

A parts fixture for a turning and milling composite machining center comprises a base, the top of the base is rotatably connected to a turntable, the top of the turntable is fixed with an adjustment box, both ends of the top of the adjustment box are slidably connected to a support seat, both sides of the top of the base are slidably connected to a transmission block, the bottom end of the support seat is provided with a lateral clamping mechanism, the bottom end of the transmission block is provided with a limit clamping mechanism, and a buffer mechanism is provided inside the support seat.

As a preferred embodiment of the part clamp for a turning and milling compound machining center provided by the utility model, the lateral clamping mechanism includes a servo motor, a servo motor is fixed to the bottom end of the inner side of the adjustment box, a transmission gear is fixed to the output end of the servo motor, racks are meshed and connected on both sides of the transmission gear, the bottom end of the rack is slidably connected to the adjustment box, an extension block is fixed to the end of the two racks away from each other, and the top of the extension block is fixed to the support seat.

As a preferred embodiment of the part fixture for a turning and milling compound machining center provided by the utility model, the buffer mechanism includes a slider, the slider is slidably connected inside the support seat, a first spring is fixed to one end of the slider, one end of the first spring is fixed to the support seat, a splint is fixed to the other end of the slider, and anti-slip particles are evenly fixed to one end of the splint.

As a preferred embodiment of the part clamp for a turning and milling compound machining center provided by the utility model, the limit clamping mechanism includes positive and negative threaded rods, the inner rotation of the adjustment box is connected with the positive and negative threaded rods, the two sides of the outer sides of the positive and negative threaded rods are threadedly connected with the transmission block, and one side of the positive and negative threaded rod passes through the adjustment box and is fixed with a first hand wheel.

As a preferred embodiment of the part fixture for a turning and milling compound machining center provided by the utility model, an installation groove is opened on one side of the interior of the adjustment box, and a T-shaped slide bar is slidably connected to the interior of the installation groove. A second spring is fixed to one side of the T-shaped slide bar, one side of the second spring is fixed to the adjustment box, and the other side of the T-shaped slide bar is slidably connected to the first hand wheel.

As a preferred embodiment of the part fixture for a turning-milling compound machining center provided by the utility model, a rotation adjustment mechanism is arranged inside the base, and the rotation adjustment mechanism includes a rotating rod, and the rotating rod is rotatably connected inside the base, and a main bevel gear is fixed to the outside of the rotating rod, and a slave bevel gear is meshed and connected to the top end of the main bevel gear, and the top end of the slave bevel gear is fixed to a turntable, and a second hand rotating wheel is fixed to one end of the rotating rod.

As a preferred embodiment of the part clamp for a turning and milling compound machining center provided by the utility model, a limiting block is fixed at one end of the base, the limiting block is internally slidably connected to a limiting pull rod, a limiting tooth is fixed on one side of the limiting pull rod, one side of the limiting tooth is meshingly connected to the second hand wheel, a third spring is sleeved on the outer side of the limiting pull rod, one side of the third spring is fixed to the limiting block, and the other side of the third spring is fixed to the limiting pull rod.

It can be seen without a doubt that the above-mentioned technical solution of the present application can definitely solve the technical problem to be solved by the present application.

At the same time, through the above technical solutions, the utility model has at least the following beneficial effects:

The utility model provides a part clamp for a turning and milling compound machining center. The first hand rotating wheel drives the positive and negative threaded rods to rotate, so that the positive and negative threaded rods drive the transmission blocks to clamp the workpiece longitudinally, and then pre-clamp according to the machining position, which is convenient for improving the accuracy of workpiece machining. The output end of the servo motor drives the support seat to clamp the workpiece horizontally, thereby improving the clamping stability of the workpiece.

The turntable and the adjustment box are driven to rotate by the second hand wheel, so that the adjustment box drives the workpiece to be adjusted according to the processing angle requirements, thereby improving the convenience and practicality of the device.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

Figure 1 is a schematic diagram of the overall structure of the utility model;

FIG2 is a schematic diagram of the internal structure of the regulating box of the utility model;

FIG3 is a schematic diagram of the internal structure of the support base of the utility model;

FIG4 is a schematic diagram of the connection structure between the T-shaped slide bar and the first hand wheel of the utility model;

FIG. 5 is a schematic diagram of the internal structure of the base of the utility model.

In the figure: 1. base; 2. adjustment box; 3. support seat; 4. servo motor; 5. transmission gear; 6. rack; 7. extension block; 8. slider; 9. splint; 10. anti-skid particles; 11. first spring; 12. transmission block; 13. first hand wheel; 14. positive and negative threaded rod; 15. sliding rod; 16. second spring; 17. turntable; 18. slave bevel gear; 19. main bevel gear; 20. rotating rod; 21. second hand wheel; 22. limit rod; 23. limit block; 24. third spring; 25. limit tooth.

DETAILED DESCRIPTION

In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

Embodiment 1

Referring to Figures 1 to 4, a part fixture for a turning and milling composite machining center includes a base 1, the top of the base 1 is rotatably connected to a turntable 17, the top of the turntable 17 is fixed with an adjustment box 2, when the turntable 17 rotates, the adjustment box 2 and the workpiece are driven to rotate, thereby improving the flexibility of workpiece processing, both ends of the top of the adjustment box 2 are slidably connected to a support seat 3, the support seat 3 is used to clamp the workpiece horizontally, both sides of the top of the base 1 are slidably connected to a transmission block 12, the transmission block 12 is used to limit the workpiece vertically, the bottom end of the support seat 3 is provided with a lateral clamping mechanism, the bottom end of the transmission block 12 is provided with a limit clamping mechanism, and the inside of the support seat 3 is provided with a buffer mechanism;

Specifically, the workpiece to be processed is placed above the adjustment box 2, and the workpiece is initially limited and fixed by the limit clamping mechanism. When the position of the workpiece is determined, the workpiece is further clamped by the lateral clamping mechanism, and the workpiece is clamped in four directions by the two transmission blocks 12 and the support seat 3, thereby improving the stability of the workpiece.

The lateral clamping mechanism includes a servo motor 4, a servo motor 4 is fixed to the bottom end of the inner side of the adjustment box 2, a transmission gear 5 is fixed to the output end of the servo motor 4, racks 6 are meshed and connected on both sides of the transmission gear 5, the bottom end of the rack 6 is slidably connected to the adjustment box 2, and an extension block 7 is fixed to one end of the two racks 6 that are away from each other. The servo motor 4 drives the transmission gear 5 to rotate, and the transmission gear 5 drives the two racks 6 to move in a direction away from or close to each other, so that the second spring 16 drives the support seat 3 to clamp or separate the workpiece, and the top end of the extension block 7 is fixed to the support seat 3;

The buffer mechanism includes a slider 8, the slider 8 is slidably connected inside the support seat 3, a first spring 11 is fixed to one end of the slider 8, the clamping plate 9 is buffered by the spring force of the first spring 11 to prevent the clamping plate 9 from damaging the workpiece, one end of the first spring 11 is fixed to the support seat 3, the other end of the slider 8 is fixed to the clamping plate 9, and one end of the clamping plate 9 is evenly fixed with anti-skid particles 10, which are used to prevent the workpiece from slipping and improve the stability of the workpiece;

The limit clamping mechanism includes a positive and negative threaded rod 14, the inside of the adjustment box 2 is rotatably connected with the positive and negative threaded rod 14, both sides of the outer side of the positive and negative threaded rod 14 are threadedly connected with the transmission block 12, and one side of the positive and negative threaded rod 14 passes through the adjustment box 2 and is fixed with a first hand wheel 13;

A mounting groove is provided on one side of the adjusting box 2, a T-shaped slide bar 15 is slidably connected inside the mounting groove, a second spring 16 is fixed to one side of the T-shaped slide bar 15, one side of the second spring 16 is fixed to the adjusting box 2, and the other side of the T-shaped slide bar 15 is slidably connected to the first hand wheel 13;

Specifically, the first hand wheel 13 drives the forward and reverse threaded rods 14 to rotate, so that the forward and reverse threaded rods 14 drive the transmission block 12 to pre-clamp the workpiece in the direction of moving away from or approaching each other. When the position of the workpiece is accurately adjusted, the elasticity of the second spring 16 drives the T-shaped slide bar 15 to limit the inside of the first hand wheel 13 to prevent the workpiece from becoming loose.

Embodiment 2

Referring to FIG5 , a part fixture for a turning and milling composite machining center is provided with a rotation adjustment mechanism inside the base 1, and the rotation adjustment mechanism includes a rotating rod 20, the rotating rod 20 is rotatably connected inside the base 1, a main bevel gear 19 is fixed to the outside of the rotating rod 20, the top of the main bevel gear 19 is meshedly connected with a slave bevel gear 18, the top of the slave bevel gear 18 is fixed to a turntable 17, and a second hand wheel 21 is fixed to one end of the rotating rod 20. By rotating the second hand wheel 21, the rotating rod 20, the main bevel gear 19, the turntable 17, the adjustment box 2 and the workpiece are driven to rotate, so that the angle required for processing of the workpiece can be adjusted without repeated disassembly and assembly, thereby greatly improving the convenience of processing;

A limiting block 23 is fixed at one end of the base 1, and a limiting pull rod 22 is slidably connected inside the limiting block 23. A limiting tooth 25 is fixed on one side of the limiting pull rod 22, and one side of the limiting tooth 25 is meshed and connected with the second hand wheel 21. A third spring 24 is sleeved on the outer side of the limiting pull rod 22, and one side of the third spring 24 is fixed to the limiting block 23, and the other side of the third spring 24 is fixed to the limiting pull rod 22.

Specifically, the second hand wheel 21 is limited by the limiting tooth 25. When the second hand wheel 21 drives the workpiece to adjust to a suitable angle, the spring force of the third spring 24 drives the limiting tooth 25 to engage with the second hand wheel 21, thereby limiting the adjustment box 2 and the workpiece, preventing the adjustment box 2 from being limited in rotation during processing, resulting in substandard workpiece processing.

The use process of the part clamp for a turning and milling compound machining center provided by the utility model is as follows: when in use, the workpiece to be processed is placed on the top of the adjustment box 2, and the T-shaped slide bar 15 is disengaged from the inside of the first hand wheel 13 by toggling. At this time, the first hand wheel 13 is rotated to drive the positive and negative threaded rods 14 to rotate, so that the positive and negative threaded rods 14 drive the two transmission blocks 12 to limit the workpiece. When the position is limited to a suitable position, the elastic force of the second spring 16 drives the T-shaped slide bar 15 to limit the inside of the first hand wheel 13, thereby improving the accuracy of the workpiece position;

The servo motor 4 is started to drive the transmission gear 5 to rotate, and the transmission gear 5 drives the two racks 6 to move in a direction close to or away from each other, so that the racks 6 drive the support seat 3 to clamp or separate the workpiece. When the support seat 3 clamps the workpiece, the support seat 3 drives the first spring 11, the slider 8, the clamping plate 9 and the anti-skid particles 10 to clamp the workpiece, and the workpiece is protected by the elastic force of the first spring 11 to prevent the support seat 3 from causing damage to the workpiece;

By rotating the second hand wheel 21, the rotating rod 20, the main bevel gear 19, the turntable 17, the adjustment box 2 and the workpiece are driven to rotate, so that the workpiece is rotated according to the angle required for processing, thereby greatly accelerating the processing efficiency and facilitating the improvement of the processing practicability of the device.

The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims (7)

1. A part fixture for a turning and milling composite machining center, characterized in that it comprises a base (1), the top end of the base (1) is rotatably connected to a turntable (17), the top end of the turntable (17) is fixed with an adjustment box (2), both ends of the top end of the adjustment box (2) are slidably connected to a support seat (3), both sides of the top end of the base (1) are slidably connected to a transmission block (12), the bottom end of the support seat (3) is provided with a lateral clamping mechanism, the bottom end of the transmission block (12) is provided with a limit clamping mechanism, and the interior of the support seat (3) is provided with a buffer mechanism. 2. A part fixture for a turning and milling compound machining center according to claim 1, characterized in that the lateral clamping mechanism includes a servo motor (4), a servo motor (4) is fixed to the bottom end of the inner side of the adjusting box (2), a transmission gear (5) is fixed to the output end of the servo motor (4), both sides of the transmission gear (5) are meshedly connected with racks (6), the bottom end of the rack (6) is slidably connected to the adjusting box (2), an extension block (7) is fixed to the ends of the two racks (6) away from each other, and the top end of the extension block (7) is fixed to the support seat (3). 3. A part fixture for a turning and milling compound machining center according to claim 2, characterized in that the buffer mechanism includes a slider (8), the slider (8) is slidably connected inside the support seat (3), a first spring (11) is fixed to one end of the slider (8), one end of the first spring (11) is fixed to the support seat (3), a splint (9) is fixed to the other end of the slider (8), and anti-slip particles (10) are evenly distributed and fixed to one end of the splint (9). 4. A part fixture for a turning-milling compound machining center according to claim 1, characterized in that the limit clamping mechanism includes a positive and negative threaded rod (14), the inside of the adjustment box (2) is rotatably connected with the positive and negative threaded rod (14), both sides of the outer side of the positive and negative threaded rod (14) are threadedly connected to the transmission block (12), and one side of the positive and negative threaded rod (14) passes through the adjustment box (2) and is fixed with a first hand wheel (13). 5. A part fixture for a turning and milling compound machining center according to claim 4, characterized in that a mounting groove is opened on one side inside the adjusting box (2), a T-shaped slide bar (15) is slidably connected inside the mounting groove, a second spring (16) is fixed to one side of the T-shaped slide bar (15), one side of the second spring (16) is fixed to the adjusting box (2), and the other side of the T-shaped slide bar (15) is slidably connected to the first hand wheel (13). 6. A part fixture for a turning-milling composite machining center according to claim 1, characterized in that a rotation adjustment mechanism is arranged inside the base (1), and the rotation adjustment mechanism includes a rotating rod (20), the base (1) is rotatably connected to the rotating rod (20), a main bevel gear (19) is fixed to the outer side of the rotating rod (20), the top end of the main bevel gear (19) is meshedly connected to a slave bevel gear (18), the top end of the slave bevel gear (18) is fixed to a turntable (17), and a second hand wheel (21) is fixed to one end of the rotating rod (20). 7. A part fixture for a turning and milling composite machining center according to claim 6, characterized in that a limiting block (23) is fixed at one end of the base (1), the limiting block (23) is internally slidably connected to a limiting pull rod (22), a limiting tooth (25) is fixed to one side of the limiting pull rod (22), one side of the limiting tooth (25) is meshingly connected to the second hand wheel (21), a third spring (24) is sleeved on the outer side of the limiting pull rod (22), one side of the third spring (24) is fixed to the limiting block (23), and the other side of the third spring (24) is fixed to the limiting pull rod (22).