Clamping mechanism of planer type milling machine

By adjusting and rotating the components to drive the clamping blocks to fit the workpiece surface, the problem of low operating efficiency in traditional gantry milling machine clamping mechanisms is solved, and workpiece axis alignment and all-round grinding are achieved, improving flexibility and adaptability.

CN223903456UActive Publication Date: 2026-02-13NANYANG DALITAI MASCH CO LTD
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Patent Information

Application Number
CN202520846702.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-30
Publication Date
2026-02-13
Estimated Expiration
2035-04-30

AI Technical Summary

Technical Problem

Traditional gantry milling machine clamping mechanisms have low operating efficiency, and once fixed, the workpiece grinding position cannot be changed at any time, resulting in insufficient flexibility and adaptability.

Method used

It employs adjustment and rotation components, and uses a servo motor to drive the clamping block to fit the workpiece surface, so that the workpiece axis coincides with the axis of the receiving disk. The rotation component drives the workpiece to rotate, adapting to the grinding needs of different diameters and positions.

Benefits of technology

It improves the practicality and operational efficiency of the clamping mechanism, and can automatically adapt to different diameters and positions of workpieces, reducing manual adjustment and enabling all-round grinding of workpieces.

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Abstract

The utility model discloses a planer type milling machine clamping mechanism which relates to the technical field of clamps and comprises a base and a workpiece, the top end of the base is connected with a group of symmetrical supporting plates in a sliding mode, the supporting plates are all connected with containing discs in a rotating mode, the containing discs are all provided with adjusting assemblies, and the adjusting assemblies are fixedly connected with a plurality of clamping blocks. The clamping blocks are located on the outer side of the workpiece, and the workpiece penetrates through the axis of the containing disc. According to the planer type milling machine, the rotating assembly is arranged, a mechanism on the planer type milling machine is used for controlling a cutter to polish the surface of a workpiece, a second servo motor is started, a rotating rod is driven to rotate, two rotating shafts are controlled to rotate synchronously, and then a gear is made to rotate, and due to the fact that the gear is meshed with a second gear ring, the second gear ring and a containing disc are driven to rotate on a supporting plate; and rotation of the workpiece is facilitated, different positions of the workpiece can be fully ground or cut conveniently through a cutter, and the clamping angle of the workpiece does not need to be manually adjusted.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixture, specifically a gantry milling machine clamping mechanism. BACKGROUND

[0002] As a large numerical control machine tool, the gantry milling machine is widely used in the milling of various large workpieces. In the machining process, the clamping stability of the workpiece directly affects the machining precision and efficiency. The traditional gantry milling machine clamping mechanism usually adopts a fixed clamp, and the positioning and clamping of the workpiece are realized by manual adjustment. These clamping mechanisms meet the machining requirements to a certain extent, but with the diversification of workpiece types and machining requirements, the traditional clamping mechanism gradually shows its shortcomings in flexibility and adaptability.

[0003] The common clamping mechanism usually fixes the workpiece through bolts or hydraulic mode, and needs to be adjusted several times to ensure the accurate alignment of the workpiece axis with the machining center. In addition, for cylindrical workpieces with different diameters at different positions, the common fixed clamp can only fix cylindrical workpieces with the same diameter, so multiple fixed clamps are needed to clamp them, which is low in operation efficiency. After the workpiece is fixed and clamped, only one side of the workpiece can be milled and polished, and the position needs to be adjusted and clamped again when polishing other positions of the workpiece, which is time-consuming. Therefore, a gantry milling machine clamping mechanism is needed to solve the existing problems. SUMMARY

[0004] 1. Technical problem to be solved

[0005] The purpose of the utility model is to make up for the shortcomings of the existing clamping mechanism, such as low operation efficiency and inability to change the polishing position of the workpiece at any time after fixing.

[0006] 2. Technical scheme

[0007] To solve the above problems, the utility model adopts the following technical scheme.

[0008] A gantry milling machine clamping mechanism, comprising a base and a workpiece, a group of symmetrical support plates are slidably connected to the top end of the base, and accommodating discs are rotatably connected to the support plates, adjusting assemblies are provided on the accommodating discs, a plurality of clamping blocks are fixedly connected to the adjusting assemblies, the clamping blocks are located on the outer side of the workpiece, the workpiece penetrates the shaft center of the accommodating disc, a driving rod is movably connected to the base through a rotating shaft, a group of symmetrical threads are formed on the outer side of the driving rod, the driving rod penetrates the support plate, and the driving rod is screw-connected with the support plate, a rotating assembly is provided on the base and fixedly connected with the outer side of the accommodating disc.

[0009] Further, the adjusting assembly comprises guide blocks, driving columns, a control disc and a connecting ring, the guide blocks and the driving columns are in circular array distribution, and the guide blocks are fixedly connected with the driving columns respectively, a plurality of guide grooves are formed on the containing disc, and the guide blocks are slidably connected with the guide grooves respectively, a plurality of driving grooves are formed on the control disc, and the driving columns are slidably connected with the driving grooves respectively, the control disc is rotationally connected to the inside of the containing disc, and the connecting ring is fixedly connected to the back side of the control disc, and the ends of the guide blocks are fixedly connected with the clamping blocks respectively.

[0010] Further, the adjusting assembly further comprises a first tooth ring, a tooth block, a moving rod, a reset spring and a fixed cylinder, the first tooth ring, the tooth block, the moving rod and the fixed cylinder are symmetrically arranged, the fixed cylinder is fixedly connected to the outside of the connecting ring, one end of the moving rod is movably connected to the inside of the fixed cylinder, and the other end of the moving rod is fixedly connected with the back side of the tooth block, the tooth block is engaged with the inside of the first tooth ring, and the reset spring is fixedly connected to the inside of the fixed cylinder, and the free end of the reset spring is fixedly connected with one end of the moving rod.

[0011] Further, the back side of the containing disc is rotationally connected with a moving ring, a control block is fixedly connected on the moving rod, and the control block movably penetrates the moving ring.

[0012] Further, the rotating assembly comprises a second tooth ring, a gear and a rotating shaft, the second tooth ring, the gear and the rotating shaft are symmetrically arranged, the second tooth ring is sleeved on the outside of the containing disc, and the second tooth ring is fixedly connected with the containing disc, the rotating shaft penetrates the gear, and the rotating shaft is fixedly connected with the gear, and the gear is engaged with the second tooth ring.

[0013] Further, the rotating assembly further comprises a rotating rod, the rotating rod is movably connected to the base through a bearing, the rotating shaft penetrates the supporting plate respectively, and the rotating shaft is movably connected with the supporting plate through a bearing, and the rotating rod penetrates the rotating shaft, and the rotating rod is movably connected with the rotating shaft.

[0014] Further, one end of the base is fixedly connected with a servo motor one, and the output end of the servo motor one is fixedly connected with one end of the driving rod, one end of the base is fixedly connected with a servo motor two, and the output end of the servo motor two is fixedly connected with one end of the rotating rod.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The utility model discloses a adjusting assembly is set up, four guide frames are close to the axle of containing dish respectively with this, and drive the clamping block to adhere to the surface of work piece, and the other end of work piece is clamped to the same operation, and the position of cylindrical work piece is corrected, makes the axis of work piece coincide with the axis of containing dish, and can adapt to the different diameter of work piece, improves the practicality of clamping mechanism.

[0018] Two, the utility model discloses a rotating assembly is set up, and the mechanism on gantry milling machine controls the tool to polish work piece surface, and starts servo motor no. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is three -dimensional structure schematic view of the utility model;

[0020] Figure 2 It is another visual angle structure schematic view of the utility model;

[0021] Figure 3 It is containing dish explosion structure schematic view of the utility model;

[0022] Figure 4 It is another visual angle structure schematic view of the utility model; Figure 3 Another visual angle structure schematic view of the utility model;

[0023] Figure 5 It is application structure schematic view of the utility model.

[0024] In the drawing: 1, base, 2, work piece, 3, support plate, 4, containing dish, 5, adjusting assembly, 501, guide block, 502, drive column, 503, control disc, 504, connecting ring, 505, gear ring one, 506, tooth block, 507, moving rod, 508, reset spring, 509, fixed cylinder, 6, clamping block, 7, drive rod, 8, rotating assembly, 801, gear ring two, 802, gear, 803, rotary shaft, 804, rotary rod, 9, guide groove, 10, drive groove, 11, moving ring, 12, control block, 13, servo motor one, 14, servo motor two. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the utility model specification; Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor are within the protection scope of the utility model.

[0026] As Figures 1-5 The utility model provides a kind of technical scheme: a gantry milling machine clamping mechanism, including base 1 and workpiece 2, the top end of base 1 is slidably connected with a group of symmetrical support plate 3, and support plate 3 is all rotatably connected with containing disc 4, containing disc 4 is all provided with adjusting assembly 5, and adjusting assembly 5 is fixedly connected with several clamping blocks 6, clamping block 6 is located at the outside of workpiece 2, and workpiece 2 penetrates the shaft center of containing disc 4, by adjusting the distance between containing disc 4, clamping block 6 can be adapted to different length workpiece 2, and clamping block 6 moves towards the shaft center of containing disc 4, can automatically make workpiece 2 keep horizontal, so that the axis of workpiece 2 coincides with the axis of containing disc 4, driving rod 7 is movably connected on base 1 by pivot, a group of symmetrical threads are set on the outside of driving rod 7, driving rod 7 penetrates support plate 3, and driving rod 7 is screw-connected with support plate 3, rotating assembly 8 is arranged on base 1, and rotating assembly 8 is fixedly connected with the outside of containing disc 4, when using, the bottom of base 1 can be installed slider, and slider is slidably connected on the sliding slot of milling machine, so that the whole clamping mechanism is installed on milling machine.

[0027] As Figure 1 And Figure 2As shown, the adjusting assembly 5 comprises guide blocks 501, driving columns 502, a control disc 503 and a connecting ring 504, the guide blocks 501 and the driving columns 502 are both distributed in a circular array, and the guide blocks 501 are fixedly connected with the driving columns 502 respectively, a plurality of guide grooves 9 are formed on the containing disc 4, and the guide blocks 501 are slidably connected with the guide grooves 9 respectively, the length direction of the guide grooves 9 is consistent with the radial direction of the containing disc 4, a plurality of driving grooves 10 are formed on the control disc 503, and the driving columns 502 are slidably connected with the driving grooves 10 respectively, the driving grooves 10 and the guide grooves 9 form an acute angle, the control disc 503 is rotatably connected to the inside of the containing disc 4, and the connecting ring 504 is fixedly connected to the back side of the control disc 503, the connecting ring 504 can rotate synchronously with the control disc 503, the ends of the guide blocks 501 are fixedly connected with the clamping blocks 6 respectively, the adjusting assembly 5 further comprises a gear ring one 505, a gear block 506, a moving rod 507, a reset spring 508 and a fixed cylinder 509, the gear ring one 505, the gear block 506, the moving rod 507 and the fixed cylinder 509 are all symmetrically arranged, the fixed cylinder 509 is fixedly connected to the outside of the connecting ring 504, one end of the moving rod 507 is movably connected to the inside of the fixed cylinder 509, and the other end of the moving rod 507 is fixedly connected with the back side of the gear block 506, the gear block 506 is engaged with the inside of the gear ring one 505, and the engagement between the gear block 506 and the gear ring one 505 can make the control disc 503 keep position fixed, the reset spring 508 is fixedly connected to the inside of the fixed cylinder 509, and the free end of the reset spring 508 is fixedly connected with one end of the moving rod 507, the back side of the containing disc 4 is rotatably connected with a moving ring 11, the moving rod 507 is fixedly connected with a control block 12, and the control block 12 movably penetrates through the moving ring 11.

[0028] At the same time, the control block 12 is inwardly extruded, the moving rod 507 is driven to move towards the inside of the fixed cylinder 509, the reset spring 508 is compressed and shortened, so as to control the gear block 506 to be separated from the gear ring one 505, then the control block 12 is rotated, the moving ring 11 is synchronously rotated on the back side of the containing disc 4, so as to control the connecting ring 504 and the control disc 503 to be simultaneously rotated in the inside of the containing disc 4, since the driving columns 502 are movably matched with the driving grooves 10, and the guide grooves 9 limit the direction of the guide blocks 501, the four guide blocks are respectively close to the axial center of the containing disc 4, so as to drive the clamping blocks 6 to be attached to the surface of the workpiece 2, the other end of the workpiece 2 is clamped by the same operation, the position of the cylindrical workpiece 2 is corrected, the axis of the workpiece 2 is coincided with the axis of the containing disc 4, and the different diameters of the workpiece 2 can be adapted, so as to improve the practicability of the clamping mechanism.

[0029] As Figure 1 , Figure 3 and Figure 4As shown, the rotating assembly 8 comprises a gear ring two 801, a gear 802 and a rotating shaft 803, the gear ring two 801, the gear 802 and the rotating shaft 803 are symmetrically arranged, the gear ring two 801 is sleeved on the outside of the containing disc 4, and the gear ring two 801 is fixedly connected with the containing disc 4, the rotating shaft 803 penetrates through the gear 802, and the rotating shaft 803 is fixedly connected with the gear 802, the gear 802 is engaged with the gear ring two 801, the rotating assembly 8 further comprises a rotating rod 804, the rotating rod 804 is movably connected to the base 1 through a bearing, the rotating shaft 803 penetrates through the supporting plate 3 respectively, and the rotating shaft 803 is movably connected with the supporting plate 3 through a bearing, the rotating rod 804 penetrates through the rotating shaft 803, and the rotating rod 804 is movably connected with the rotating shaft 803, one end of the base 1 is fixedly connected with a servo motor one 13, and one end of the driving rod 7 is fixedly connected with the output end of the servo motor one 13, one end of the base 1 is fixedly connected with a servo motor two 14, and one end of the rotating rod 804 is fixedly connected with the output end of the servo motor two 14, when the supporting plate 3 moves along the base 1, the rotating shaft 803 can be controlled to move along the rotating rod 804, and the rotating rod 804 can control the rotating shaft 803 to rotate.

[0030] The tool is controlled by the mechanism on the gantry milling machine to polish the surface of the workpiece 2, and the servo motor two 14 is started to drive the rotating rod 804 to rotate, control the two rotating shafts 803 to rotate synchronously, and then make the gear 802 rotate, since the gear 802 is engaged with the gear ring two 801, the gear ring two 801 and the containing disc 4 are driven to rotate on the supporting plate 3, which is beneficial to realize the rotation of the workpiece 2, and facilitate the tool to fully polish or cut the different positions of the workpiece 2 without manually adjusting the clamping angle of the workpiece 2.

[0031] Working principle: in use, first, according to the length of workpiece 2, adjust the distance between the two containing disc 4, start servo motor one 13, drive rod 7 rotation, because drive rod 7 and support plate 3 screw connection, base 1 limit the activity direction of support plate 3, thereby drive two support plate 3 close to each other or away from each other;Subsequently, the workpiece 2 through two containing disc 4, then simultaneously inward extrusion control block 12, drive the movement of rod 507 towards the inside of fixed cylinder 509, so that the reset spring 508 compression shortening, so as to control the tooth block 506 and gear ring one 505 separate, then rotate control block 12, make the moving ring 11 in the back side of containing disc 4 synchronous rotation, so as to control the connection ring 504 and control disc 503 simultaneously in the inside of containing disc 4 rotation, because the drive column 502 and drive groove 10 activity cooperation, and the guide groove 9 limit the direction of guide block 501, so that four guide frame respectively close to the shaft of containing disc 4, so as to drive the clamp block 6 adhere to the surface of workpiece 2, the same operation on the other end of workpiece 2 clamping, so that the axis of workpiece 2 and the axis of containing disc 4 coincide;Subsequently, through the mechanism control cutter on the gantry milling machine on the surface of workpiece 2 polishing, and start servo motor two 14, drive the rotation of the rod 804, control two rotating shaft 803 synchronous rotation, in turn make gear 802 rotation, because gear 802 and gear ring two 801 meshing, drive gear ring two 801 and containing disc 4 rotation on the support plate 3, realize the rotation of workpiece 2, can use the cutter on the workpiece 2 side fully polishing or cutting.

[0032] The above merely preferred specific embodiments of the present application;But the scope of protection of the present application is not limited to this. Any skilled in the art of the technical range disclosed in the present application, according to the technical scheme of the present application and its improvement concept to replace or change, should be covered in the scope of protection of the present application.

Claims

1. A gantry milling machine clamping mechanism comprising a base (1) and a workpiece (2), characterized in that: The top end of the base (1) is slidably connected with a set of symmetrical support plates (3), and each of the support plates (3) is rotatably connected with a containing disc (4), each of the containing discs (4) is provided with an adjusting assembly (5), and a plurality of clamping blocks (6) are fixedly connected to the adjusting assembly (5), the clamping blocks (6) are located on the outer side of the workpiece (2), and the workpiece (2) penetrates the shaft of the containing disc (4), a driving rod (7) is movably connected to the base (1) through a rotating shaft, a set of symmetrical threads are formed on the outer side of the driving rod (7), the driving rod (7) penetrates the support plate (3), and the driving rod (7) is threadedly connected with the support plate (3), and a rotating assembly (8) is arranged on the base (1) and fixedly connected with the outer side of the containing disc (4).

2. The gantry milling machine clamping mechanism according to claim 1, characterized in that: The adjusting assembly (5) comprises guide blocks (501), driving columns (502), control discs (503) and connecting rings (504), the guide blocks (501) and the driving columns (502) are arranged in a circular array, and the guide blocks (501) are fixedly connected with the driving columns (502) respectively, a plurality of guide grooves (9) are formed in the containing disc (4), and the guide blocks (501) are slidably connected with the guide grooves (9) respectively, a plurality of driving grooves (10) are formed in the control disc (503), and the driving columns (502) are slidably connected with the driving grooves (10) respectively, the control disc (503) is rotatably connected to the inside of the containing disc (4), and the connecting ring (504) is fixedly connected to the back side of the control disc (503), and the ends of the guide blocks (501) are fixedly connected with the clamping blocks (6) respectively.

3. The gantry milling machine clamping mechanism according to claim 2, characterized in that: The adjusting assembly (5) further comprises tooth rings (505), tooth blocks (506), moving rods (507), return springs (508) and fixed cylinders (509), the tooth rings (505), the tooth blocks (506), the moving rods (507) and the fixed cylinders (509) are symmetrically arranged, the fixed cylinder (509) is fixedly connected to the outer side of the connecting ring (504), one end of the moving rod (507) is movably connected to the inside of the fixed cylinder (509), the other end of the moving rod (507) is fixedly connected with the back side of the tooth block (506), the tooth block (506) is engaged with the inner side of the tooth ring (505), the return spring (508) is fixedly connected to the inside of the fixed cylinder (509), and the free end of the return spring (508) is fixedly connected with one end of the moving rod (507).

4. The gantry milling machine clamping mechanism according to claim 3, characterized in that: The back side of the containing disc (4) is rotatably connected with a moving ring (11), and a control block (12) is fixedly connected to the moving rod (507) and movably penetrates the moving ring (11).

5. The gantry-type milling machine chucking mechanism according to claim 1, characterized in that: The rotating assembly (8) comprises a gear ring two (801), a gear (802) and a rotating shaft (803), the gear ring two (801), the gear (802) and the rotating shaft (803) are symmetrically arranged, the gear ring two (801) is sleeved on the outer side of the containing disc (4), and the gear ring two (801) is fixedly connected with the containing disc (4); the rotating shaft (803) penetrates the gear (802), and the rotating shaft (803) is fixedly connected with the gear (802); the gear (802) is engaged with the gear ring two (801).

6. The gantry-type milling machine chucking mechanism according to claim 5, characterized in that: The rotating assembly (8) further comprises a rotating rod (804), the rotating rod (804) is movably connected to the base (1) through a bearing, the rotating shaft (803) penetrates the supporting plate (3) respectively, and the rotating shaft (803) is movably connected with the supporting plate (3) through a bearing; the rotating rod (804) penetrates the rotating shaft (803), and the rotating rod (804) is movably connected with the rotating shaft (803).

7. The gantry-type milling machine chucking mechanism according to claim 6, characterized in that: One end of the base (1) is fixedly connected with a servo motor one (13), and one end of the driving rod (7) is fixedly connected with the output end of the servo motor one (13); one end of the base (1) is fixedly connected with a servo motor two (14), and one end of the rotating rod (804) is fixedly connected with the output end of the servo motor two (14).