Automatic testing mechanism for sliding performance of pump body oil quantity adjusting rack bar

Abstract

The utility model discloses an automatic testing mechanism for the sliding performance of a pump body oil quantity adjusting rack bar, which comprises a positioning sliding table, a pressing cylinder, a roller jacking cylinder and a sliding performance testing mechanism, the positioning sliding table is arranged on a bottom plate, a workpiece is placed on the positioning sliding table, and the positioning sliding table can slide left and right on the bottom plate. The pressing air cylinder is located above the bottom plate, the roller jacking air cylinder is installed below the bottom plate, and the sliding performance testing mechanism is installed on the bottom plate. According to the technical scheme, digital full-automatic measurement of the sliding performance of the pump body toothed bar can be achieved, the sliding performance of the toothed bar is analyzed and measured in real time through the force sensor, workpieces are graded according to the test result, manual measurement is replaced, meanwhile, the mechanism can be in butt joint with automatic mechanisms such as a mechanical arm, and large-batch full-automatic production of products is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automatic testing of product performance, in particular to an automatic testing mechanism for the sliding performance of a gear rod for regulating oil quantity in a pump body. Background Art

[0002] For mechanical oil pumps such as single-cylinder pumps, the angle of the plunger groove is adjusted mainly by moving the gear rod left and right through a mechanism, thereby achieving the adjustment of the oil supply of the pump. The sliding property of the gear rod directly determines the oil quantity adjustment performance of the pump, and is a key parameter that must be inspected before leaving the factory. At present, the test of the sliding property of the gear rod mainly relies on manual measurement, which has high labor intensity for workers and completely depends on the personal perception of the operator. It is impossible to quantitatively measure and analyze the sliding property of the workpiece, and the test efficiency is low, which cannot meet the needs of large-scale automated production. The present invention can realize the digital and fully automatic measurement of the sliding property of the gear rod, analyze and measure the sliding property of the gear rod in real time through a force sensor, and grade the workpiece according to the test results, replacing manual measurement to achieve large-scale automated production. Summary of the Invention

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an automatic testing mechanism for the sliding performance of the oil quantity regulating gear rod of a pump body, which effectively solves the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic testing mechanism for the sliding performance of the gear rod of a pump body oil quantity adjustment, comprising a positioning slide, a clamping cylinder, a roller lifting cylinder, and a sliding performance testing mechanism, wherein the positioning slide is arranged on a base plate, the workpiece is placed on the positioning slide, and the positioning slide can slide left and right on the base plate, the clamping cylinder is located above the base plate, the roller lifting cylinder is installed below the base plate, and the sliding performance testing mechanism is installed on the base plate.

[0005] Preferably, the positioning slide has a positioning hole for placing the workpiece, and a cylinder is provided on one side of the positioning slide.

[0006] Preferably, the sliding performance testing mechanism includes a translation module, pressure sensor 1 and pressure sensor 2, pressure sensor 1 and pressure sensor 2 are fixedly connected to a sliding seat, the sliding seat is sleeved outside the translation module, and the sliding seat and the translation module are threadedly matched.

[0007] Compared with the prior art, the beneficial effects of the present invention are:

[0008] The present invention can realize digital and fully automatic measurement of the sliding performance of the gear rod of the pump body, analyze and measure the sliding performance of the gear rod in real time through the force sensor and grade the workpiece according to the test results, replacing manual measurement. At the same time, the mechanism can be connected with automated mechanisms such as robots to realize large-scale and fully automated production of products. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0010] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0011] Figure 2 This is a schematic structural diagram of the sliding test mechanism of the present utility model;

[0012] Figure 3 This is a schematic diagram of the workpiece structure of the utility model.

[0013] In the figure: 1. Workpiece; 2. Positioning slide; 3. Clamping cylinder; 4. Roller lifting cylinder; 5. Sliding test mechanism; 6. Translation module; 7. Pressure sensor 1; 8. Pressure sensor 2; 9. Oil quantity adjustment gear rod; 10. Roller lifting rod. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0015] Depend on Figure 1-3 The utility model discloses an automatic testing mechanism for the sliding performance of the gear rod for adjusting the oil quantity of a pump body, comprising a positioning slide 2, a clamping cylinder 3, a roller lifting cylinder 4, and a sliding performance testing mechanism 5. The positioning slide 2 is arranged on a base plate, the workpiece is placed on the positioning slide 2, and the positioning slide 2 can slide left and right on the base plate, the clamping cylinder 3 is located above the base plate 1, the roller lifting cylinder 4 is installed below the base plate, and the sliding performance testing mechanism 5 is installed on the base plate.

[0016] The positioning slide 2 has a positioning hole for placing the workpiece, and a cylinder is provided on one side of the positioning slide 2, which pushes and pulls the positioning slide 2 to slide.

[0017] The sliding performance testing mechanism 5 includes a translation module, pressure sensor 1 and pressure sensor 2. Pressure sensor 1 and pressure sensor 2 are fixedly connected to the sliding seat. The sliding seat is sleeved outside the translation module, and the sliding seat and the translation module are threadedly matched. The motor drives the translation module to rotate, and the translation module and the sliding seat are threadedly matched, so that the sliding seat translates.

[0018] Step 1: After the workpiece 1 is placed on the positioning slide 2 and positioned, it is sent to the measuring position by the positioning slide 2;

[0019] Step 2: The pressing cylinder 3 moves downward to press the workpiece 1;

[0020] Step 3: At this time, the sliding test mechanism 5 is activated, and the pressure sensors on both sides are driven by the translation module. They are controlled by the program to translate left and right at a uniform speed. The pressure sensors push the oil amount adjustment gear rod on the workpiece 1 to move. If the pressure sensor detects that the pressure exceeds the limit during the movement, it indicates that the sliding performance of the gear rod is poor. The workpiece 1 is graded according to the tested pressure value.

[0021] Step 4: After the sliding performance test mechanism 5 completes a test, the roller lift cylinder 4 below the measuring mechanism is activated to tighten the roller push rod on the workpiece 1. The sliding performance test mechanism 5 then operates again to test the sliding performance. By raising and lowering the roller push rod on the workpiece 1 by the lift cylinder 4, the sliding performance test of the pump under different operating conditions is simulated.

[0022] Step 5: After completing the sliding performance test under non-general working conditions, the clamping mechanism is reset, and the positioning slide 1 returns the workpiece 1 to the loading position. At this time, the system prompts the workpiece grouping level according to the test results.

[0023] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0024] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic testing mechanism for the sliding performance of a pump oil quantity regulating gear rod, characterized by: The invention comprises a positioning slide (2), a pressing cylinder (3), a roller lifting cylinder (4), and a sliding performance testing mechanism (5); the positioning slide (2) is arranged on a base plate; a workpiece is placed on the positioning slide (2); and the positioning slide (2) can slide left and right on the base plate; the pressing cylinder (3) is located above the base plate (1); the roller lifting cylinder (4) is installed below the base plate; and the sliding performance testing mechanism (5) is installed on the base plate.

2. The automatic testing mechanism for the sliding performance of the oil quantity regulating gear rod of a pump body according to claim 1, characterized in that: The positioning slide (2) is provided with a positioning hole for placing a workpiece, and a cylinder is provided on one side of the positioning slide (2).

3. The automatic testing mechanism for the sliding performance of the oil quantity regulating gear rod of a pump body according to claim 1, characterized in that: The sliding performance testing mechanism (5) comprises a translation module, a first pressure sensor and a second pressure sensor, wherein the first pressure sensor and the second pressure sensor are fixedly connected to a sliding seat, the sliding seat is sleeved outside the translation module, and the sliding seat and the translation module are threadedly matched.

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