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CN-121977729-A - Pressure release force testing device

CN121977729ACN 121977729 ACN121977729 ACN 121977729ACN-121977729-A

Abstract

The invention discloses a press-off force testing device which comprises a workbench, a fixed seat arranged on the working surface of the workbench, a plurality of replaceable positioning dies with different bearing specifications, a press-fit detection assembly and a press-fit driving unit, wherein the fixed seat is of a C-shaped structure, the press-fit driving unit is arranged in the workbench, the movable end of the press-fit driving unit can movably penetrate through the lower end of a C-shaped opening of the fixed seat, the press-fit detection assembly is arranged on the top of the fixed seat, the force measuring end of the press-fit detection assembly penetrates through the upper end of the C-shaped opening of the fixed seat, the press-fit detection assembly is used for carrying out press-off force testing on a workpiece to be tested in cooperation with the press-fit driving unit, the force measuring end of the press-fit detection assembly and the movable end of the press-fit driving unit are arranged on the same shaft, and each positioning die is detachably arranged on the movable end of the press-fit driving unit and is used for bearing workpieces to be tested in different specifications. The invention has the characteristics of convenient operation, low cost, high suitability and high safety.

Inventors

  • LIU BIJIANG
  • WANG HAO
  • ZHU RUIDONG

Assignees

  • 广东佐尔汽车部件制造有限公司

Dates

Publication Date
20260505
Application Date
20251231

Claims (10)

  1. 1. A press-off force testing device is characterized by comprising a workbench (1), a fixing seat (2) arranged on a working surface of the workbench (1), a plurality of replaceable positioning dies (3) with different bearing specifications, a press-fit detection assembly (4) and a press-fit driving unit (5), wherein the fixing seat (2) is of a C-shaped structure, the press-fit driving unit (5) is arranged in the workbench (1), the movable end of the press-fit driving unit (5) is movably arranged at the lower end of a C opening of the fixing seat (2), the press-fit detection assembly (4) is arranged at the top of the fixing seat (2), the force-measuring end of the press-fit detection assembly (4) is arranged at the upper end of the C opening of the fixing seat (2) in a penetrating mode, the press-fit detection assembly (4) is used for carrying out press-off force testing on a workpiece to be tested in cooperation with the press-fit driving unit (5), the movable end of the press-fit driving unit (5) is arranged on the same shaft, and each positioning die (3) is detachably arranged at the movable end of the press-fit driving unit (5) and is used for carrying out press-off force testing on the workpiece with different specifications.
  2. 2. The press-fit force testing device according to claim 1, wherein the press-fit detection assembly (4) comprises a display panel (42) and a force measuring shaft (43), the display panel (42) is connected with the detection unit (41), the force measuring shaft (43) is used for being matched with a movable end of the press-fit driving unit (5) to test a workpiece and transmitting test data to the detection unit (41), the detection unit (41) is used for collecting press-fit force test data of the workpiece to be tested through the force measuring shaft (43), and the display panel (42) is used for feeding back the test data collected by the detection unit (41) to an operator.
  3. 3. The press-off force testing device according to claim 2, wherein the detecting unit is further provided with a pre-pressing button (411) capable of controlling the press-on driving unit (5) to pre-press and fix the workpiece to be tested.
  4. 4. The pressure-release force testing device according to claim 1, further comprising a protective cover (6) arranged on the working surface of the workbench (1), wherein a side door (7) of a movable switch is arranged on one side of the protective cover (6), and the protective cover (6) is used for preventing splashing scraps from causing unnecessary damage to equipment or operators when the pressure-release force testing is carried out on a workpiece to be tested.
  5. 5. The pressure-disengaging force testing device of claim 4, wherein the side door (7) is further provided with a start button (71) capable of controlling the pressure-disengaging driving unit (5) to perform pressure-disengaging force testing on a workpiece to be tested.
  6. 6. A press-off force testing device according to claim 1, further comprising a guide chute (8) arranged obliquely, wherein the guide chute (8) is used for guiding a workpiece subjected to testing or a waste stream dropped by breaking of the workpiece to a preset position.
  7. 7. The pressure-disengaging force testing device of claim 6, further comprising a material collecting box (9) arranged at the discharge end of the material guiding groove (8), wherein the material collecting box (9) is used for collecting waste guided by the material guiding groove (8).
  8. 8. The pressure release force testing device according to claim 6, wherein the guide groove (8) is provided with an avoidance hole (81) penetrating along the moving direction of the pressing driving unit (5), and the avoidance hole (81) is used for enabling the movable end of the pressing driving unit (5) to move.
  9. 9. The pressure release force testing device according to claim 1, further comprising a buffer spring (52) sleeved on the outer peripheral surface of the movable end of the pressure fit driving unit (5) and a mounting piece (51) sleeved on the movable end of the pressure fit driving unit (5), wherein the mounting piece (51) is used for positioning and placing a positioning die (3), a cavity (512) extending in the height direction of the mounting piece (51) is formed in the bottom end of the mounting piece (51), two ends of the buffer spring (52) are respectively connected with a supporting surface of the movable end of the pressure fit driving unit (5) and the top surface of the cavity (512), and the buffer spring (52) is used for being matched with the pressure fit driving unit (5) to pre-press and fix a workpiece to be tested through the mounting piece (51).
  10. 10. The pressure release force testing device according to claim 1, wherein a movable hole (21) penetrating along the height direction is formed in the lower end of the C-shaped opening of the fixing seat (2), and the movable hole (21) is used for enabling the movable end of the pressure fit driving unit (5) to move.

Description

Pressure release force testing device Technical Field The invention relates to the technical field of pressure release force testing, in particular to a pressure release force testing device. Background In the positioning device of the traditional pressure-release force testing device, the workpiece to be tested is generally fixed in a clamping mode, the structure is complex, if the pressure-release force test is to be carried out on the workpiece to be tested with different specifications, and the external dimension of a certain workpiece to be tested (tested part) exceeds the maximum clamping range of the positioning device, a new positioning device is required to be customized again to adapt to the large-dimension workpiece to be tested, and the defects of high testing cost, long time consumption and inconvenient use exist. Therefore, the invention provides a pressure release force testing device which is convenient to operate, low in testing cost and high in adaptability and safety based on the technical problems. Disclosure of Invention The invention aims to overcome the defects of the prior art and provide a pressure release force testing device with small measurement error and high accuracy. In order to achieve the above-mentioned objective, the device for testing the pressure drop force provided by the invention comprises a workbench, a fixed seat arranged on the working surface of the workbench, a plurality of positioning dies which are replaceable and have different bearing specifications, a pressure detection assembly and a pressure driving unit, wherein the fixed seat is of a C-shaped structure, the pressure driving unit is arranged in the workbench, the movable end of the pressure driving unit is movably arranged at the lower end of the C-shaped opening of the fixed seat in a penetrating way, the pressure detection assembly is arranged at the top of the fixed seat, the force measuring end of the pressure detection assembly is arranged at the upper end of the C-shaped opening of the fixed seat in a penetrating way, the pressure detection assembly is used for carrying out the pressure drop force test on a workpiece to be tested in cooperation with the pressure driving unit, the force measuring end of the pressure detection assembly and the movable end of the pressure driving unit are arranged on the same shaft, each positioning die is detachably arranged on the movable end of the pressure driving unit, and each positioning die is used for bearing the workpiece to be tested in different specifications. The pressing detection assembly comprises a detection unit, a display panel and a force measuring shaft, wherein the display panel and the force measuring shaft are connected with the detection unit, the force measuring shaft is used for being matched with the movable end of the pressing driving unit, the workpiece to be tested is transmitted to the detection unit, the detection unit is used for collecting pressing force test data of the workpiece to be tested for pressing force test through the force measuring shaft, and the display panel is used for feeding back the test data collected by the detection unit to an operator. Further, the detection unit is also provided with a pre-pressing button capable of controlling the pressing driving unit to pre-press and fix the workpiece to be tested. Further, the pressure-disengaging force testing device further comprises a protective cover arranged on the working surface of the workbench, wherein a side door of the movable switch is arranged on one side of the protective cover, and the protective cover is used for avoiding unnecessary damage to equipment or operators caused by splashed scraps when the pressure-disengaging force testing is carried out on the workpiece to be tested. Further, a start button capable of controlling the pressing driving unit to perform pressing force test on the workpiece to be tested is further arranged on the side door. Further, the press-off force testing device further comprises a guide chute which is obliquely arranged and used for guiding the workpiece which is tested or the waste material flow which falls down due to the broken workpiece to a preset position. Further, the pressure-disengaging force testing device further comprises a material collecting box arranged at the discharge end of the material guide groove, and the material collecting box is used for collecting waste guided by the material guide groove and outputting. Further, dodging holes penetrating through the guide chute along the moving direction of the pressing driving unit are formed in the guide chute, and the dodging holes are used for enabling movable ends of the pressing driving unit to move. Further, the press-off force testing device further comprises a buffer spring sleeved on the peripheral surface of the movable end of the press-fit driving unit and a mounting piece sleeved on the movable end of the press-fit driving unit, wherein the mounting piec