Four-axis rotary table clamping device

By combining the design of clamping and pressing components, the problem of existing four-axis rotary tables being unable to stably clamp long workpieces has been solved, achieving stable workpiece clamping and improving stability.

CN223572515UActive Publication Date: 2025-11-21CHANGZHOU CHUANJIE PRECISION MACHINERY CO LTD
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Patent Information

Application Number
CN202422940805.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-30
Publication Date
2025-11-21
Estimated Expiration
2034-11-30

AI Technical Summary

Technical Problem

Existing four-axis rotary table clamping devices are difficult to hold long workpieces securely, and are prone to loose clamping that causes workpiece displacement.

Method used

The design employs a combination of clamping and pressing components. The clamping component includes a first motor, a lead screw, a threaded sleeve, a moving plate, a movable rod, and a clamping plate. The pressing component includes a second motor, a gear, a rack plate, and a pressure plate. The workpiece is clamped and pressed by the movement of the lead screw and gear driven by the motor.

Benefits of technology

It improves the clamping effect and stability of longer workpieces, ensuring the stability of the workpiece during the clamping process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a four-axis rotary table clamping device, which belongs to the technical field of four-axis rotary tables and comprises a base, a clamping component is arranged in an inner cavity of the base, and through grooves are arranged on two sides of the center of the top of the base. A workpiece is clamped and fixed, the bottom of the long workpiece is clamped and fixed, through the structural design of a second motor, a gear, a rack plate and a pressing plate, when the long workpiece is clamped, the workpiece is pressed on a base, the workpiece clamping effect is improved, the workpiece stability is improved, and when the long workpiece is clamped, the workpiece is clamped and fixed, and the workpiece clamping efficiency is improved. A user starts a second motor, the second motor drives a rotating shaft to rotate, the rotating shaft drives a gear to rotate, at the moment, the gear drives a rack plate to move downwards, the rack plate drives a pressing plate to move downwards, the workpiece is pressed, and the stability when the long workpiece is clamped is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to four -axis rotary table technical field more specifically, relate to a four -axis rotary table clamping device. BACKGROUND

[0002] Four -axis rotary table refers to a kind of processing accessory that four axial movements can be realized, it is usually installed on numerical control machine tool, can make machine tool process in multiple axial.

[0003] The prior art discloses a four-axis rotary table clamping device with the Chinese patent document with the publication number CN220240089U, which is different from the prior art, facilitates the disassembly and assembly of the chuck, improves the replacement efficiency of the chuck, and synchronously moves the four fixing claws to quickly center and fix the workpiece.

[0004] However, the device still has the following disadvantages: when clamping, it is difficult to clamp and fix long workpieces, and the clamping is not firm, which causes the workpiece to shift. In view of this, a four-axis rotary table clamping device is proposed. UTILITY MODEL CONTENT

[0005] 1. Technical problem to be solved

[0006] The utility model aims at providing a four-axis rotary table clamping device to solve the problem of the existing four-axis rotary table clamping device that is difficult to clamp and fix long workpieces.

[0007] 2. Technical solution

[0008] A four-axis rotary table clamping device includes a base, a clamping assembly is arranged in the inner cavity of the base, two sides of the top center of the base are provided with through grooves, a frame is bolted to the top of the base, a top box is bolted to the top of the frame, and a pressing assembly is arranged in the inner cavity of the top box.

[0009] Preferably, the clamping assembly includes a first motor, a lead screw, a threaded sleeve, a moving plate, a movable rod and a clamping plate, the first motor is bolted to the bottom of the inner cavity of the base, the output shaft of the first motor is fixedly connected with the lead screw, the surface of the lead screw is threadedly connected with the threaded sleeve, the surface of the threaded sleeve is fixedly connected with the moving plate, the moving plate is hingedly connected with the movable rod through the movable seat on both sides of the top, and the movable rod is hingedly connected with the clamping plate through the movable seat and penetrates the through groove.

[0010] Preferably, the pressing assembly comprises a second motor, a gear, a rack plate and a pressing plate, the back surface of the inner cavity of the top box is bolted with the second motor, the output shaft of the second motor is fixedly connected with a rotating shaft, the surface of the rotating shaft is key connected with the gear, the left side of the gear is engaged with the rack plate, and the bottom of the rack plate is sequentially penetrated through the top box and the frame body and bolted with the pressing plate.

[0011] Preferably, a first sliding groove is formed in the periphery of the bottom of the base, a first sliding block is slidably connected in the inner cavity of the first sliding groove, and the top of the first sliding block is bolted with the bottom of the clamping plate.

[0012] Preferably, a second sliding groove is formed in the two sides of the inner cavity of the base, a second sliding block is slidably connected in the inner cavity of the second sliding groove, and the opposite side of the second sliding block is bolted with the two sides of the moving plate.

[0013] Preferably, a third sliding groove is formed in the two sides of the inner cavity of the frame body, a third sliding block is slidably connected in the inner cavity of the third sliding groove, and the opposite side of the third sliding block is bolted with the two sides of the pressing plate.

[0014] Preferably, a protective pad is attached to the opposite side of the clamping plate and the bottom of the pressing plate.

[0015] 3. Beneficial effects

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

[0017] 1. The first motor, the lead screw, the threaded sleeve, the moving plate, the movable rod and the clamping plate are structurally designed to clamp and fix the workpiece, and the bottom of the longer workpiece is clamped and fixed.

[0018] 2. The second motor, the gear, the rack plate and the pressing plate are structurally designed to clamp the longer workpiece and press the workpiece on the base, thereby improving the clamping effect of the workpiece and the stability of the workpiece. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model;

[0020] Figure 2 It is a top box structure sectional view of the utility model;

[0021] Figure 3 It is a base structure sectional view of the utility model;

[0022] Figure 4 It is a frame body structure sectional view of the utility model; Figure 1 It is a structure enlarged view of A shown.

[0023] The figure label explanation: 1, base; 2, clamping assembly; 21, first motor; 22, screw rod; 23, threaded sleeve; 24, moving plate; 25, movable rod; 26, clamping plate; 3, frame body; 4, top box; 5, pressing assembly; 51, second motor; 52, gear; 53, rack plate; 54, pressing plate; 6, first sliding slot; 7, first sliding block; 8, second sliding slot; 9, second sliding block; 10, third sliding slot; 11, third sliding block. DETAILED DESCRIPTION

[0024] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.

[0025] In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0026] In the description of the utility model, it should be noted that, unless otherwise specifically specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, or can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] Please refer to Figures 1-4 , the utility model provides a technical scheme:

[0028] A four-axis rotary table clamping device, including base 1, the inner cavity of base 1 is provided with clamping assembly 2, the both sides of the top center of base 1 are provided with through slot, the top of base 1 is bolted with frame body 3, the top of frame body 3 is bolted with top box 4, the inner cavity of top box 4 is provided with pressing assembly 5.

[0029] Continue to refer to the description of the drawings Figure 3Specifically, the clamping assembly 2 in the embodiment is described as follows: the clamping assembly 2 comprises a first motor 21, a lead screw 22, a threaded sleeve 23, a moving plate 24, a movable rod 25 and a clamping plate 26; the first motor 21 is bolted to the bottom of the inner cavity of the base 1; the output shaft of the first motor 21 is fixedly connected with the lead screw 22; the surface of the lead screw 22 is threadedly connected with the threaded sleeve 23; the surface of the threaded sleeve 23 is fixedly connected with the moving plate 24; the moving plate 24 is hingedly connected with the movable rod 25 through the movable seat on both sides of the top of the moving plate 24; the movable rod 25 is hingedly connected with the clamping plate 26 through the movable seat and penetrates the through slot; the workpiece is clamped and fixed, and the bottom of the long workpiece is clamped and fixed.

[0030] With reference to the accompanying drawings Figure 2 Specifically, the pressing assembly 5 in the embodiment is described as follows: the pressing assembly 5 comprises a second motor 51, a gear 52, a rack plate 53 and a pressing plate 54; the second motor 51 is bolted to the back of the inner cavity of the top box 4; the output shaft of the second motor 51 is fixedly connected with a rotating shaft, and the surface of the rotating shaft is key-connected with the gear 52; the left side of the gear 52 is engaged with the rack plate 53; the bottom of the rack plate 53 penetrates the top box 4 and the frame 3 in sequence and is bolted with the pressing plate 54; when the long workpiece is clamped, the workpiece is pressed on the base 1, which improves the clamping effect of the workpiece and improves the stability of the workpiece.

[0031] With reference to the accompanying drawings Figure 1 Specifically, the top of the base 1 in the embodiment is described as follows: the first sliding groove 6 is formed around the bottom of the base 1; the first sliding groove 6 is slidingly connected with the first sliding block 7 in the inner cavity; the top of the first sliding block 7 is bolted with the bottom of the clamping plate 26; the clamping plate 26 is limited; the movement of the clamping plate 26 is assisted; and the stability of the clamping plate 26 is improved.

[0032] With reference to the accompanying drawings Figure 3 Specifically, the top of the base 1 in the embodiment is described as follows: the second sliding groove 8 is formed on both sides of the inner cavity of the base 1; the second sliding groove 8 is slidingly connected with the second sliding block 9 in the inner cavity; the side of the second sliding block 9 opposite to the side bolted with the moving plate 24 limits the moving plate 24; and the lifting of the moving plate 24 is assisted.

[0033] With reference to the accompanying drawings Figure 1 Specifically, the frame 3 in the embodiment is described as follows: the third sliding groove 10 is formed on both sides of the inner cavity of the frame 3; the third sliding groove 10 is slidingly connected with the third sliding block 11 in the inner cavity; the side of the third sliding block 11 opposite to the side bolted with the pressing plate 54 limits the pressing plate 54.

[0034] With reference to the accompanying drawings Figure 3The opposite side of the clamp plate 26 and the bottom of the pressing plate 54 are bonded with protective pads, so as to protect the workpiece from being abraded by the pressing plate 54 and the clamp plate 26.

[0035] Working principle: the user places the workpiece on the base 1, and then starts the first motor 21, the first motor 21 drives the screw rod 22 to rotate, the screw rod 22 drives the threaded sleeve 23 to move upwards, the threaded sleeve 23 drives the moving plate 24 to move upwards, the moving plate 24 drives the movable rod 25 to rotate, at this time, the movable rod 25 drives the pressing plate 54 to move towards each other, and the workpiece is clamped and fixed.

[0036] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by the person skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A four-axis rotary table clamping device, comprising a base (1), characterized in that: The inner cavity of the base (1) is provided with a clamping component (2), and through slots are provided on both sides of the top center of the base (1). A frame (3) is bolted to the top of the base (1), and a top box (4) is bolted to the top of the frame (3). A pressing component (5) is provided in the inner cavity of the top box (4).

2. The four-axis rotary table clamping device according to claim 1, characterized in that: The clamping assembly (2) includes a first motor (21), a lead screw (22), a threaded sleeve (23), a movable plate (24), a movable rod (25), and a clamping plate (26). The first motor (21) is bolted to the bottom of the inner cavity of the base (1). The output shaft of the first motor (21) is fixedly connected to the lead screw (22). The surface of the lead screw (22) is threadedly connected to the threaded sleeve (23). The surface of the threaded sleeve (23) is fixedly connected to the movable plate (24). The movable rod (25) is hinged to both sides of the top of the movable plate (24) through a movable seat. The top of the movable rod (25) passes through a through slot and is hinged to the clamping plate (26) through a movable seat.

3. The four-axis rotary table clamping device according to claim 1, characterized in that: The clamping assembly (5) includes a second motor (51), a gear (52), a rack plate (53), and a pressure plate (54). The second motor (51) is bolted to the back of the inner cavity of the top box (4). The output shaft of the second motor (51) is fixedly connected to a rotating shaft, and the surface of the rotating shaft is keyed to a gear (52). The left side of the gear (52) meshes with a rack plate (53). The bottom of the rack plate (53) passes through the top box (4) and the frame (3) in sequence and is bolted to a pressure plate (54).

4. The four-axis rotary table clamping device according to claim 1, characterized in that: The base (1) has a first sliding groove (6) on all four sides of its bottom. The inner cavity of the first sliding groove (6) is slidably connected to a first slider (7). The top of the first slider (7) is bolted to the bottom of the clamp (26).

5. A four-axis rotary table clamping device according to claim 1, characterized in that: The base (1) has a second sliding groove (8) on both sides of its inner cavity. The inner cavity of the second sliding groove (8) is slidably connected to a second slider (9). The opposing side of the second slider (9) is bolted to both sides of the moving plate (24).

6. A four-axis rotary table clamping device according to claim 1, characterized in that: The inner cavity of the frame (3) is provided with a third slide groove (10) on both sides. The inner cavity of the third slide groove (10) is slidably connected to a third slider (11). The opposite side of the third slider (11) is bolted to both sides of the pressure plate (54).

7. A four-axis rotary table clamping device according to claim 2, characterized in that: Protective pads are glued to the opposite side of the clamping plate (26) and the bottom of the pressure plate (54).

Citation Information

Patent Citations

  • Four-axis rotary table clamping device

    CN220240089U