Metal workpiece turning pressing clamp

By combining adjustment, measurement, and fixing devices, the deviation problem of clamping fixtures when clamping irregular flange pipes is solved, enabling precise clamping and center adjustment of irregular metal parts, thus improving processing accuracy and efficiency.

CN223353574UActive Publication Date: 2025-09-19ODNA MASCH TECH DALIAN CO LTD
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Patent Information

Application Number
CN202422786610.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-15
Publication Date
2025-09-19
Estimated Expiration
2034-11-15

AI Technical Summary

Technical Problem

Existing clamping fixtures are prone to vertical deviation when clamping irregular flange pipes, requiring reinstallation.

Method used

The lower and upper limit devices are raised and lowered by adjusting the device, and the clamping force is monitored by the measuring device and the pressure measuring device. The parts are then fixed by the fixing device to achieve precise clamping.

Benefits of technology

It enables center adjustment and precise clamping of irregular metal parts, improving machining accuracy and efficiency while reducing production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of clamping fixtures, in particular to a metal workpiece turning and pressing fixture which is characterized in that a lower limiting device and an upper limiting device are lifted through an adjusting device, a measuring device is used for measuring, and the lower limiting device and the upper limiting device are matched to clamp parts. The effect of monitoring the clamping force is achieved through the pressure measuring device, and the effect of fixing the adjusting device is achieved through the fixing device; comprising a clamping device. The device further comprises an adjusting device, a measuring device, a lower limiting device, an upper limiting device, a pressure measuring device and a fixing device. The adjusting device, the measuring device, the lower limiting device and the fixing device are all installed on the clamping device. The upper limiting device and the pressure measuring device are both installed on the lower limiting device.
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Description

Technical Field

[0001] The utility model relates to the technical field of clamping fixtures, in particular to a clamping fixture for lathe processing of metal workpieces. Background Art

[0002] Metal workpiece turning clamping fixtures have a wide range of applications in the field of mechanical processing, especially in the turning process of metal workpieces, playing a vital role in improving processing accuracy, increasing production efficiency, reducing production costs and adapting to diversified production needs.

[0003] Existing clamping fixtures, such as the clamp for lathe processing square workpieces disclosed in the utility model with announcement number CN207915073U and the special clamp for turning processing disclosed in the utility model with announcement number CN205414455U, can both achieve clamping of metal workpieces.

[0004] During use, it was found that the existing clamping fixture may have up and down deviations when clamping irregular flange pipes, and needs to be reinstalled. Therefore, a metal workpiece turning clamping fixture is urgently needed. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a metal workpiece turning clamping fixture that uses an adjustment device to lift and lower the lower limit device and the upper limit device, uses a measuring device to measure, clamps the parts through the cooperation of the lower limit device and the upper limit device, monitors the clamping force through a pressure measuring device, and fixes the adjustment device through a fixing device.

[0006] The utility model provides a clamping fixture for metal workpiece turning, comprising a clamping device; further comprising an adjusting device, a measuring device, a lower limit device, an upper limit device, a pressure measuring device and a fixing device, wherein the adjusting device, the measuring device, the lower limit device and the fixing device are all mounted on the clamping device; the upper limit device and the pressure measuring device are both mounted on the lower limit device; the adjusting device plays a lifting role, the measuring device plays a measuring role, the lower limit device and the upper limit device cooperate to clamp the part, the pressure measuring device plays a role of monitoring the clamping force, and the fixing device plays a fixing role; the lower limit device and the upper limit device are lifted and lowered by the adjusting device, the measuring device plays a measuring role, the lower limit device and the upper limit device cooperate to clamp the part, the pressure measuring device plays a role of monitoring the clamping force, and the fixing device plays a fixing role.

[0007] Preferably, the clamping device includes a clamping shaft, a turntable and two sets of guide rails, the turntable is installed on the side end of the clamping shaft, the two sets of guide rails are installed on the side end of the turntable, and two sets of notches and reserved grooves are provided on the turntable; the clamping shaft facilitates installation, and the turntable provides support.

[0008] Preferably, the adjustment device includes a motor, a reducer, a lead screw and a movable plate. The motor and the reducer are both installed on the turntable. The output end of the motor is provided with a motor shaft. The output end of the motor shaft is rotationally connected to the input end of the reducer. The output end of the reducer is rotationally connected to the input end of the lead screw. The movable plate is installed on the lead screw through a threaded connection, and the movable plate is slidingly installed on the guide rail. By starting the motor and transmitting through the reducer, the lead screw is driven to rotate, thereby driving the movable plate to achieve directional movement on the guide rail.

[0009] Preferably, the measuring device includes a measuring ruler installed at a side end of the turntable; the displacement of the movable plate is measured by the measuring ruler.

[0010] Preferably, the lower limit device includes a mounting plate, which is mounted on the side end of the movable plate by four sets of hexagonal screws; the lower part of the workpiece is fixed by the mounting plate.

[0011] Preferably, the upper limit device includes a second screw, a hexagonal nut, a locking nut, a limit plate and a metal part. The second screw is installed on the mounting plate. The first hexagonal nut and the locking nut are both installed on the second screw through threaded connections. The limit plate is installed on the second screw through a mounting shaft. The metal part is installed on the side ends of the mounting plate and the limit plate. By adjusting the hexagonal nut and the locking nut, the second screw is driven to move, and then the metal part is clamped.

[0012] Preferably, the pressure measuring device includes a pressure sensor, which is mounted on the limit plate via a sensing rod, and the pressure sensor is mounted on the side end of the mounting plate; the pressure sensor is used to monitor the clamping force in real time.

[0013] Preferably, the fixing device includes four sets of hexagonal screws 2 and four sets of hexagonal nuts 2, the hexagonal nuts 2 are installed on the hexagonal screws 2 through threaded connection, and the hexagonal screws 2 are installed on the movable plate; through the cooperation of the hexagonal screws 2 and the hexagonal nuts 2, the movable plate is fixedly installed on the turntable.

[0014] Compared with the prior art, the beneficial effects of the present invention are: the lower limit device and the upper limit device are lifted and lowered by the adjusting device, the measuring device is used to measure, the lower limit device and the upper limit device cooperate to clamp the parts, the pressure measuring device is used to monitor the clamping force, and the fixing device is used to fix the adjusting device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural axonometric drawing of the utility model;

[0016] Figure 2 yes Figure 1 A structural axonometric diagram of the clamping device structure in the utility model;

[0017] Figure 3 yes Figure 1 An enlarged structural diagram of the clamping device and the fixing device in the utility model;

[0018] Figure 4 yes Figure 1 An enlarged structural diagram of the adjusting device and the fixing device in the utility model.

[0019] Markings in the accompanying drawings: 01, clamping device; 11, clamping shaft; 12, turntable; 13, guide rail; 14, notch; 15, reserved slot; 02, adjustment device; 21, motor; 22, motor shaft; 23, reducer; 24, lead screw 1; 25, moving plate; 03, measuring device; 31, measuring ruler; 04, lower limit device; 41, mounting plate; 42, hexagonal screw 1; 05, upper limit device; 51, lead screw 2; 52, hexagonal nut 1; 53, locking nut; 54, mounting shaft; 55, limit plate; 56, metal part; 06, pressure measuring device; 61, pressure sensor; 62, sensing rod; 07, fixing device; 71, hexagonal screw 2; 72, hexagonal nut 2. DETAILED DESCRIPTION

[0020] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0021] Example 1

[0022] A clamping fixture for metal workpiece lathe machining, comprising a clamping device 01; characterized in that it also comprises an adjusting device 02, a measuring device 03, a lower limit device 04, an upper limit device 05, a pressure measuring device 06, and a fixing device 07, wherein the adjusting device 02, the measuring device 03, the lower limit device 04, and the fixing device 07 are all mounted on the clamping device 01; the upper limit device 05 and the pressure measuring device 06 are both mounted on the lower limit device 04;

[0023] The adjusting device 02 plays the role of lifting, the measuring device 03 plays the role of measuring, the lower limit device 04 and the upper limit device 05 cooperate to clamp the parts, the pressure measuring device 06 plays the role of monitoring the clamping force, and the fixing device 07 plays the role of fixing.

[0024] The clamping device 01 includes a clamping shaft 11, a turntable 12 and two sets of guide rails 13. The turntable 12 is mounted on the side ends of the clamping shaft 11. The two sets of guide rails 13 are mounted on the side ends of the turntable 12. The turntable 12 is provided with two sets of notches 14 and a reserved groove 15.

[0025] The lower limit device 04 includes a mounting plate 41, which is mounted on the side end of the movable plate 25 by four sets of hexagonal screws 42;

[0026] The upper limit device 05 includes a second screw 51, a hexagonal nut 52, a locking nut 53, a limiting plate 55 and a metal part 56. The second screw 51 is mounted on the mounting plate 41. The hexagonal nut 52 and the locking nut 53 are both mounted on the second screw 51 through threaded connection. The limiting plate 55 is mounted on the second screw 51 through the mounting shaft 54. The metal part 56 is mounted on the side ends of the mounting plate 41 and the limiting plate 55.

[0027] The pressure measuring device 06 includes a pressure sensor 61, which is mounted on the limit plate 55 via a sensing rod 62. The pressure sensor 61 is mounted on the side end of the mounting plate 41;

[0028] The fixing device 07 includes four sets of hexagonal screws 71 and four sets of hexagonal nuts 72. The hexagonal nuts 72 are installed on the hexagonal screws 71 through threaded connection. The hexagonal screws 71 are installed on the movable plate 25.

[0029] The lower limit device 04 and the upper limit device 05 cooperate to clamp the parts, the pressure measuring device 06 plays the role of monitoring the clamping force, and the fixing device 07 plays the role of fixing;

[0030] Place the metal part 56 between the mounting plate 41 and the limit plate 55, and then drive the lead screw 2 51 to move by adjusting the hexagonal nut 1 52 and the locking nut 53, and then clamp the metal part 56. Through the cooperation of the hexagonal screw 2 71 and the hexagonal nut 2 72, the movable plate 25 is fixedly installed on the turntable 12, and is installed on the chuck through the clamping shaft 11 to realize turning.

[0031] Example 2

[0032] like Figures 1 to 4 As shown, based on embodiment 1, it further includes an adjustment device 02 and a measuring device 03;

[0033] The adjusting device 02 includes a motor 21, a reducer 23, a lead screw 24 and a movable plate 25. The motor 21 and the reducer 23 are both mounted on the turntable 12. The output end of the motor 21 is provided with a motor shaft 22. The output end of the motor shaft 22 is rotationally connected to the input end of the reducer 23. The output end of the reducer 23 is rotationally connected to the input end of the lead screw 24. The movable plate 25 is mounted on the lead screw 24 through a threaded connection. The movable plate 25 is slidably mounted on the guide rail 13.

[0034] The measuring device 03 includes a measuring ruler 31, which is installed on the side end of the turntable 12;

[0035] The adjusting device 02 plays the role of lifting, and the measuring device 03 plays the role of measuring;

[0036] When there is a deviation up or down, the motor 21 is started and the reducer 23 is used to drive the screw 24 to rotate, thereby driving the movable plate 25 to achieve directional movement on the guide rail 13, and measurement is performed by the measuring ruler 31.

[0037] The utility model provides a clamping fixture for metal workpiece turning. When working, the metal part 56 is first placed between the mounting plate 41 and the limit plate 55, and then the screw 2 51 is driven to move by adjusting the hexagonal nut 1 52 and the locking nut 53, and then the metal part 56 is clamped. When there is a deviation up and down, the motor 21 is started and the reducer 23 is used to drive the screw 1 24 to rotate, and then the movable plate 25 is driven to achieve directional movement on the guide rail 13. After measuring and determining the position with the measuring ruler 31, the movable plate 25 is fixedly mounted on the turntable 12 by the cooperation of the hexagonal screw 2 71 and the hexagonal nut 2 72, and is installed on the chuck through the clamping shaft 11 to achieve turning.

[0038] The motor 21 and the pressure sensor 61 of the present invention are purchased on the market, and technicians in this industry only need to install and operate them according to the accompanying instruction manuals, without the need for technicians in this field to make creative efforts.

[0039] The main function achieved by the utility model is to realize center adjustment of irregular metal parts.

[0040] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A clamping fixture for lathe machining a metal workpiece, comprising a clamping device (01); characterized in that: The device further comprises an adjusting device (02), a measuring device (03), a lower limit device (04), an upper limit device (05), a pressure measuring device (06) and a fixing device (07); the adjusting device (02), the measuring device (03), the lower limit device (04) and the fixing device (07) are all mounted on the clamping device (01); the upper limit device (05) and the pressure measuring device (06) are both mounted on the lower limit device (04); The adjusting device (02) plays the role of lifting, the measuring device (03) plays the role of measuring, the lower limit device (04) and the upper limit device (05) cooperate to clamp the parts, the pressure measuring device (06) plays the role of monitoring the clamping force, and the fixing device (07) plays the role of fixing.

2. A metal workpiece turning clamping fixture as claimed in claim 1, characterized in that: The clamping device (01) comprises a clamping shaft (11), a turntable (12) and two sets of guide rails (13), wherein the turntable (12) is mounted on the side end of the clamping shaft (11), the two sets of guide rails (13) are mounted on the side end of the turntable (12), and the turntable (12) is provided with two sets of notches (14) and a reserved groove (15).

3. A metal workpiece turning clamping fixture as claimed in claim 2, characterized in that: The adjusting device (02) comprises a motor (21), a reducer (23), a lead screw (24) and a movable plate (25). The motor (21) and the reducer (23) are both mounted on a turntable (12). The output end of the motor (21) is provided with a motor shaft (22). The output end of the motor shaft (22) is rotationally connected to the input end of the reducer (23). The output end of the reducer (23) is rotationally connected to the input end of the lead screw (24). The movable plate (25) is mounted on the lead screw (24) through a threaded connection. The movable plate (25) is slidably mounted on the guide rail (13).

4. A metal workpiece lathe clamping fixture as claimed in claim 2, characterized in that: The measuring device (03) comprises a measuring ruler (31), which is mounted on a side end of the turntable (12).

5. A metal workpiece turning clamping fixture as claimed in claim 3, characterized in that: The lower limit device (04) includes a mounting plate (41), and the mounting plate (41) is mounted on the side end of the movable plate (25) through four sets of hexagonal screws (42).

6. A metal workpiece turning clamping fixture as claimed in claim 5, characterized in that: The upper limit device (05) comprises a second screw (51), a first hexagonal nut (52), a locking nut (53), a limiting plate (55) and a metal part (56). The second screw (51) is mounted on the mounting plate (41). The first hexagonal nut (52) and the locking nut (53) are both mounted on the second screw (51) through a threaded connection. The limiting plate (55) is mounted on the second screw (51) through a mounting shaft (54). The metal part (56) is mounted on the side ends of the mounting plate (41) and the limiting plate (55).

7. A metal workpiece lathe clamping fixture as claimed in claim 6, characterized in that: The pressure measuring device (06) comprises a pressure sensor (61), which is mounted on a limit plate (55) via a sensing rod (62), and the pressure sensor (61) is mounted on a side end of the mounting plate (41).

8. A metal workpiece turning clamping fixture as claimed in claim 3, characterized in that: The fixing device (07) includes four groups of hexagonal screws (71) and four groups of hexagonal nuts (72). The hexagonal nuts (72) are installed on the hexagonal screws (71) through threaded connection, and the hexagonal screws (71) are installed on the movable plate (25).

Citation Information

Patent Citations

  • Lathe work special fixture

    CN205414455U

  • Lathe processing square workpiece's anchor clamps

    CN207915073U