CN210387171U - Punching and expanding die for outer electrode tube of surgical electrode - Google Patents

Abstract

The utility model discloses a punching and expanding hole die of an external electrode tube of an operation electrode, which comprises a base, and a precise flat tongs and a precise ball linear guide rail which are sequentially arranged on the base, wherein the precise flat tongs are provided with a tube clamping device, the precise ball linear guide rail is provided with a punch needle seat through a punch needle seat screw, the front end of the punch needle seat is fixed with an expanding hole punch needle right facing the tube clamping device through a stroke screw, the rear end of the punch needle seat is movably connected with a push rod through a push rod screw, the tail end of the push rod is movably connected with a stress application rod head, the front end of the stress application rod head is movably connected with the base through a stress application rod support, and the tail end of the stress application rod head is connected with a stress application rod arm; the utility model discloses only need very little power just can accomplish punching a hole of nonrust steel pipe below HRC42 degree, the precision obtains greatly promoting, and the product quality of processing is stable, and manufacturing cost has obtained fine control.

Description

Punching and expanding die for outer electrode tube of surgical electrode

Technical Field

The utility model belongs to the technical field of the mould, concretely relates to mould in expanded hole of outer electrode tube punching press of bipolar operation electrode of plasma.

Background

In the field of bipolar electrodes, forceps-shaped electrodes for blood coagulation, bipolar forceps, have been used for nearly a hundred years. Another bipolar electrode that provides tissue dissection, desiccation, ablation, and coagulation by placing the excitation and return contacts on the tip of a knife bar has become more appreciated because of its unique safety and efficiency. Because practical medical application is more complicated and diversified, the requirements on the structural form of the electrode are different in different operation fields, and therefore the electrode form which is more in line with the actual requirements is needed. The outer electrode tube of the key part of the operation electrode is a stainless steel tube punched and expanded hole with the temperature of HRC42 degrees or below, the former is completely manually operated by skilled staff, the efficiency is low, each person can only produce 250-300 finished products per month, the size control precision is not high, the deviation is easy to generate during manufacturing, the consistency ratio is poor, the qualification rate is not high, the production progress is influenced, the manufacturing cost of the external part is high, and the loss of part materials is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to design a punching press hole expanding die that machining precision promotes, the uniformity is good, the qualification rate is high according to prior art not enough.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a hole mould that expands in punching press of operation electrode outer electrode pipe, includes the base and sets gradually accurate flat-nose pliers and the accurate ball linear guide on the base, accurate flat-nose pliers on be provided with the double-layered pipe device, accurate ball linear guide on install through punching needle seat screw and dash the needle file, dash the needle file front end through the stroke screw fixation have just to the bloated hole punching needle of double-layered pipe device, dash needle file rear end through push rod screw swing joint have the push rod, the terminal swing joint of push rod have the afterburning, the front end of afterburning pole head passes through afterburning pole pillar and base swing joint, afterburning end-to-end connection of pole head has the afterburning lever arm.

The punching and hole expanding die for the external electrode tube of the surgical electrode is characterized in that a pair of precision flat tongs is arranged on two vice pressing plates which are arranged in parallel, and the vice pressing plates are fixed on a base through pressing plate screws.

The tube clamping device of the punching hole expanding die for the surgical electrode outer electrode tube comprises a tube clamping die I and a tube clamping die II, wherein the tube clamping die I and the tube clamping die II are respectively fixed on the precise flat tongs through tube clamping positioning screws.

The utility model has the advantages that: because the stress application rod head is movably connected to the base through the stress application rod support column, the stress application rod head can rotate on the base around the stress application rod support column, two ends of the push rod are respectively movably connected with the punch needle seat and the stress application rod head, when the stress application rod arm is pushed clockwise, the punch needle seat can be driven by the push rod to move forwards on the precise ball linear guide rail, the expanding hole punch needle is pushed to be close to the external electrode tube on the tube clamping device, the expanding hole punch needle can be pulled away from the external electrode tube by pushing the stress application rod arm anticlockwise, punching of the stainless steel tube below HRC42 degrees can be completed only by small force, and the hole depth is controlled by a.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of the precision flat tongs of the present invention.

The reference signs are: the pipe clamping device comprises a base 1, a precision flat tongs 2, a pipe clamping die I3, a pipe clamping die II 4, a pipe clamping positioning screw 5, a vice pressing plate 6, a pressing plate screw 7, a precision ball linear guide rail 8, a punching needle seat 9, a punching needle seat screw 10, an expanding hole punching needle 11, a stroke screw 12, a push rod 13, a push rod 14, a push rod screw 15, a force applying rod support column 16, a force applying rod head 17 and a force applying rod arm.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the utility model discloses a punching hole expanding die for an external electrode tube of an operation electrode, which comprises a base 1, a precise flat tongs 2 and a precise ball linear guide rail 8 which are vertically arranged on the base 1, wherein two parallel vice press plates 6 are fixed on the base 1 through a press plate screw 7, the precise flat tongs 2 is arranged on the vice press plates 6, the precise flat tongs 2 is provided with a tube clamping device, the tube clamping device comprises a tube clamping die I3 and a tube clamping die II 4, the tube clamping die I3 and the tube clamping die II 4 are respectively fixed on the precise flat tongs 2 through a tube clamping positioning screw 5, the precise ball linear guide rail 8 is provided with a punch needle seat 9 through a punch needle seat screw 10, the front end of the punch needle seat 9 is fixed with an expanding hole punch needle 11 which is right opposite to the tube clamping device through a stroke screw 12, the rear end of the punch needle seat 9 is movably connected with a push rod 13 through a push rod screw 14, the tail end of the push rod 13 is movably connected with a stress application rod head 16, the front end of the stress application rod head 16 is movably connected with the base 1 through a stress application rod supporting column 15, and the tail end of the stress application rod head 16 is connected with a stress application rod arm 17. Because the stress application rod head 16 is movably connected to the base 1 through the stress application rod support 15 and can rotate on the base 1 around the stress application rod support 15, and two ends of the push rod 13 are respectively movably connected with the punch needle seat 9 and the stress application rod head 16, when the stress application rod arm 17 is pushed clockwise, the punch needle seat 9 can be driven to move forwards on the precise ball linear guide rail 8 through the push rod 13, the expanding hole punch needle 11 is pushed to be close to the outer electrode tube on the tube clamping device, the expanding hole punch needle 11 can be pulled away from the outer electrode tube by pushing the stress application rod arm 17 anticlockwise, and the punching of the stainless steel tube below HRC42 degree can be completed with small force.

Use the utility model discloses during processing outer electrode tube, the step is: firstly, cutting and blanking qualified materials by using a wire; selecting a pipe with a proper length, washing the pipe with kerosene, and then washing the pipe with clear water and airing the pipe; the pipe is placed on a precise flat tongs 2 and fixed through a pipe clamping die I3 and a pipe clamping die II 4 on the left side and the right side, then a punching needle seat 9 on a precise ball linear guide rail 8 is adjusted, a hole expanding punching needle 11 is adjusted in place, then the hole expanding of the pipe is adjusted to 1.2 x 7.5mm (the pipe with the length of 286 mm), then the expanded pipe is polished and cleaned by ultrasonic waves, water stains in the inner hole of the pipe are blown out, and subsequent bending operation is carried out.

The utility model discloses the expanded hole degree of depth of punching press of mould is controlled by double-layered pipe set screw 5, and the unified preparation of accurate flat-nose pliers 2 and accurate ball linear guide 8, and size control is unanimous, and the precision of each part is greatly promoted, and each preparation link, the process step have obtained refining through mould control, and the product quality of processing is stable, and the qualification rate can reach more than 98%, improves more than 30% than the preceding skilled staff manual work, and production efficiency has improved nearly 3 times, and manufacturing cost has obtained fine control.

The above embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be applied, and it will be apparent to those skilled in the art that a plurality of modifications and improvements may be made without departing from the inventive concept of the present invention, and all of these modifications and improvements fall within the protection scope of the present invention.

Claims (3)

1. The utility model provides a punching press bloated hole mould of operation electrode outer electrode tube which characterized in that: the pipe clamping device comprises a base (1), and a precise flat tongs (2) and a precise ball linear guide rail (8) which are sequentially arranged on the base (1), wherein a pipe clamping device is arranged on the precise flat tongs (2), a punching needle seat (9) is installed on the precise ball linear guide rail (8) through a punching needle seat screw (10), an expanding punching needle (11) which is right opposite to the pipe clamping device is fixed at the front end of the punching needle seat (9) through a stroke screw (12), a push rod (13) is movably connected at the rear end of the punching needle seat (9) through a push rod screw (14), a stress application rod head (16) is movably connected at the tail end of the push rod (13), the front end of the stress application rod head (16) is movably connected with the base (1) through a stress application rod support column (15), and a stress application rod arm (17) is connected at the tail end of the stress application rod head (16.

2. The punching and hole expanding die for the external electrode tube of the surgical electrode according to claim 1, wherein the precision flat tongs (2) are arranged on two parallel vice pressing plates (6), and the vice pressing plates (6) are fixed on the base (1) through pressing plate screws (7).

3. The punching and hole expanding die for the surgical electrode outer electrode tube according to claim 1, wherein the tube clamping device is composed of a tube clamping die I (3) and a tube clamping die II (4), and the tube clamping die I (3) and the tube clamping die II (4) are respectively fixed on the precise flat tongs (2) through tube clamping positioning screws (5).

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