Detecting rod for perforating machine and perforating machine

Abstract

The detection rod comprises an installation rod, a wire arranged in the installation rod in a penetrating mode, a positioning connector connected with the wire and installed at the front end of the installation rod, and an induction piece electrically connected with the wire, and an induction area is arranged on the induction piece. The height of the sensing area relative to the horizontal plane is gradually reduced from the middle to the two sides or the periphery. After the perforating machine completes perforating, pulse electric sparks released by the electrode wire make contact with the induction area, the induction area can induct the perforating machine to complete perforating in time, and the protrusions with the high middle and the low two sides or the low periphery can drain away water used for heat dissipation of the perforating machine in time. And meanwhile, cooling water left from the induction area can take away chippings generated during machining in time, and the situation that the sensitivity of the induction area is affected due to the fact that the chippings are accumulated in the induction area is prevented.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of perforating machine, especially relates to a detection rod for perforating machine and perforating machine. BACKGROUND

[0002] Electric spark perforating machine refers to the electric spark processing principle, and processes the electric spark processing machine tool of the hole less than 5mm in size. It is used for processing medium and small stamping die, and its processing feature is not limited by the hardness of metal material, and the hole type required by the machine can be processed after quenching the die plate, so as to guarantee quality and improve service life. The tool electrode material can adopt steel, cast iron and copper. After completing the perforation, the perforating machine needs to be in time inductive to the perforation completion, therefore, the detection device needs to be arranged below the workpiece perforation position, and the end of the existing detection rod is easy to produce the accumulation of machining debris, which leads to the reduction of inductive sensitivity and many problems. SUMMARY

[0003] The utility model discloses a kind of detection rods for perforating machine, which can prevent debris from accumulating in the induction area, thereby affecting the sensitivity of the induction area.

[0004] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of: a detection rod for perforating machine, comprising a mounting rod, a wire passing through the mounting rod, a positioning connector connected with the wire and installed at the front end of the mounting rod, and an induction sheet electrically connected with the wire. The induction sheet has an induction area, and the height of the induction area relative to the horizontal plane gradually decreases from the middle to both sides or the surrounding in a convex shape.

[0005] In another embodiment, the induction sheet is annular or arc-shaped, and the induction sheet is sleeved on the peripheral surface of the front end of the mounting rod. To facilitate the installation of the induction sheet, the induction sheet can be annular or arc-shaped to match the peripheral surface of the mounting rod.

[0006] In another embodiment, the induction sheet is arc-shaped, and the projection of the induction sheet on a plane perpendicular to the axis of the mounting rod is a semicircular arc or an optimal arc. This facilitates the installation of the positioning connector and prevents the induction sheet from affecting the swing of the positioning connector.

[0007] In another embodiment, an opening extending to the front end surface of the mounting rod is formed on the lower peripheral surface of the front end of the mounting rod, and the rear end of the positioning connector is connected to the opening and the front end protrudes from the front side of the opening. This makes it easier to connect the positioning connector with the wire.

[0008] Another embodiment, the probe rod includes a first bolt assembly penetrating the inductive sheet, the mounting rod and the positioning connector for fixedly connecting the inductive sheet, the mounting rod and the positioning connector. Loosing the first bolt assembly can adjust the angle of the positioning connector and the mounting rod, and when the positioning connector swings downward, the distance between the front end of the positioning connector and the mounting rod increases, facilitating the mounting of the front end of the wire on the front end of the positioning connector.

[0009] Another embodiment, the positioning connector includes a second bolt assembly, a connecting rod mounted on the front end of the mounting rod, and a positioning block fixedly connected with the connecting rod through the second bolt assembly, and the front end of the wire is fixed between the positioning block and the connecting rod.

[0010] Another embodiment, the connecting rod is provided with a pressing groove on the side surface thereof facing the positioning block, and the positioning block presses and fixes the front end of the wire in the pressing groove.

[0011] Another embodiment, the mounting rod includes a first rod, a second rod inserted with the first rod, and a third bolt assembly connected on the peripheral surface of the first rod and the second rod for adjusting the relative position relationship of the first rod and the second rod and thus adjusting the overall length of the mounting rod.

[0012] Another embodiment, the mounting rod is provided with a weight-reducing hole penetrating the peripheral surface thereof.

[0013] The utility model also provides a perforating machine, it includes frame, machine head, the workbench of installing on the frame, the driving part for driving machine head action and the detection rod of installing on the driving part, the detection rod is any detection rod above.

[0014] Compared with the prior art, the perforating machine has the following advantages: when the perforating machine completes perforation, the pulse spark of the electrode wire contacts the inductive area, the inductive area can timely sense the completion of the perforation of the perforating machine, the convex shape with high middle and low sides or periphery can timely remove the water for heat dissipation of the perforating machine, and the heat dissipation water left in the inductive area can timely remove the debris generated during processing, preventing the debris from accumulating in the inductive area and affecting the sensitivity of the inductive area. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective view of the utility model;

[0016] Figure 2 It is a perspective view of the utility model after removing the frame and the workbench;

[0017] Figure 3 It is Figure 2 It is an enlarged view of A in the middle. DETAILED DESCRIPTION

[0018] The utility model will be further described below in combination with the embodiments shown in the drawings.

[0019] Referring to Figures 1-3 As shown in the figure, the perforating machine comprises a frame 2, a machine head 3, a workbench 4 mounted on the frame 2, a driving part for driving the machine head 3 to act, and a probe rod for perforating machine 1 mounted on the driving part.

[0020] Specifically:

[0021] The probe rod for perforating machine 1 comprises a mounting rod 5, a wire penetrating in the mounting rod 5, a positioning connector 6 connected with the wire and mounted on the front end of the mounting rod 5, and an inductive sheet 7 electrically connected with the wire, the inductive sheet 7 is provided with an inductive area, and the height of the inductive area relative to the horizontal plane gradually decreases from the middle to both sides or the periphery.

[0022] The inductive sheet 7 is annular or arc-shaped, and the inductive sheet 7 is sleeved on the peripheral surface of the front end of the mounting rod 5. In order to facilitate the installation of the inductive sheet 7, the inductive sheet 7 can be arranged in an annular or arc shape matching the outer peripheral surface of the mounting rod 5. The inductive sheet 7 is arc-shaped, and the projection of the inductive sheet 7 on the plane perpendicular to the axis direction of the mounting rod 5 is a semicircle or an optimal arc. It is convenient to install the positioning connector 6, and it can prevent the inductive sheet 7 from affecting the swing of the positioning connector 6.

[0023] A gap 0 extending to the front end surface of the mounting rod 5 is formed on the lower peripheral surface of the front end of the mounting rod 5, and the rear end of the positioning connector 6 is connected in the gap 0 and the front end thereof protrudes from the front side of the gap 0. The connection of the positioning connector 6 and the wire is more convenient.

[0024] In order to facilitate the adjustment of the mounting rod 5, the mounting rod 5 comprises a first rod 8, a second rod 9 inserted with the first rod 8, a third bolt assembly 10 connected on the peripheral surface of the first rod 8 and the second rod 9 for adjusting the relative position relationship of the first rod 8 and the second rod 9 to adjust the overall length of the mounting rod 5, and the gap 0 is formed on the front end of the second rod 9. The mounting rod 5 is provided with a weight-reducing hole 11 penetrating through the peripheral surface thereof.

[0025] The probe rod 1 comprises a first bolt assembly 12 arranged on the inductive sheet 7, the mounting rod 5 and the positioning connector 6 for fixing the inductive sheet 7, the mounting rod 5 and the positioning connector 6. The positioning connector 6 comprises a second bolt assembly 13, a connecting rod 14 arranged on the front end of the mounting rod 5, a positioning block 15 fixed with the connecting rod 14 through the second bolt assembly 13, and the front end of the wire is fixed between the positioning block 15 and the connecting rod 14. The first bolt assembly 12 is loosened, the angle of the positioning connector 6 and the mounting rod 5 can be adjusted, and when the positioning connector 6 swings downward, the distance between the front end of the positioning connector 6 and the mounting rod 5 is increased, so that the front end of the wire is conveniently mounted on the front end of the positioning connector 6. In order to better position the wire, a pressing groove 16 is arranged on the side of the connecting rod 14 facing the positioning block 15, and the positioning block 15 tightly fixes the front end of the wire in the pressing groove 16.

[0026] The principle of the utility model is as follows: when the perforating machine completes perforation, the pulse spark released by the electrode wire contacts the sensing area, the sensing area can timely sense that the perforating machine completes perforation, and the convex shape with high middle and low two sides or four periphery can timely remove the water used for heat dissipation of the perforating machine, and the heat dissipation water left from the sensing area can timely take away the chippings generated during processing, so that the chippings are prevented from being accumulated in the sensing area and affecting the sensitivity of the sensing area.

[0027] The above examples are only for illustrating the technical concept and characteristics of the utility model, the purpose is to enable the person skilled in the art to understand the content of the utility model and implement it, and cannot limit the protection scope of the utility model. Any equivalent change or modification according to the spirit and essence of the utility model should be covered in the protection scope of the utility model.

Claims

1. A probe for a punching machine, comprising a mounting rod, a wire passing through the mounting rod, a positioning connector connected to the wire and mounted to the front end of the mounting rod, and a sensing element electrically connected to the wire, wherein the sensing element has a sensing area, characterized in that: The sensing area is a raised shape whose height relative to the horizontal plane gradually decreases from the center to the sides or the surrounding area.

2. The probe rod for a perforating machine according to claim 1, characterized in that: The sensing element is ring-shaped or arc-shaped and is sleeved on the circumferential surface of the front end of the mounting rod.

3. The probe rod for a perforating machine according to claim 2, characterized in that: The sensing element is arc-shaped, and its projection onto a plane perpendicular to the axis of the mounting rod is a semicircular arc or a large arc.

4. The probe rod for a perforating machine according to claim 3, characterized in that: A notch extending to the front end face of the mounting rod is provided on the lower circumferential surface of the front end of the mounting rod. The rear end of the positioning connector is connected to the notch and the front end extends out of the front side of the notch.

5. The probe rod for a perforating machine according to claim 4, characterized in that: The detection rod includes a first bolt assembly that passes through the sensing plate, the mounting rod, and the positioning connector to fix the sensing plate, the mounting rod, and the positioning connector together.

6. The probe rod for a perforating machine according to claim 4, characterized in that: The positioning connector includes a second bolt assembly, a connecting rod mounted on the front end of the mounting rod, and a positioning block fixedly connected to the connecting rod via the second bolt assembly. The front end of the conductor is fixed between the positioning block and the connecting rod.

7. The probe rod for a perforating machine according to claim 6, characterized in that: The connecting rod has a clamping groove on its side facing the positioning block, and the positioning block clamps and fixes the front end of the wire in the clamping groove.

8. The probe rod for a perforating machine according to claim 1, characterized in that: The mounting rod includes a first rod, a second rod inserted into the first rod, and a third bolt assembly connected to the circumferential surfaces of the first and second rods for adjusting the relative positional relationship between the first and second rods, thereby adjusting the overall length of the mounting rod.

9. The probe rod for a perforating machine according to claim 1, characterized in that: The mounting rod is provided with weight-reducing holes that penetrate its circumference.

10. A perforating machine, comprising a frame, a head, a worktable mounted on the frame, a drive unit for driving the head, and a probe rod mounted on the drive unit, characterized in that: The probe rod is any one of the probe rods for the perforating machine described in claims 1-9.

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