CN203705232U - Special sampling machine for preparing plastic pipe hot melting butt joint tensile sample - Google Patents

Special sampling machine for preparing plastic pipe hot melting butt joint tensile sample Download PDF

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Publication number
CN203705232U
CN203705232U CN201320807868.3U CN201320807868U CN203705232U CN 203705232 U CN203705232 U CN 203705232U CN 201320807868 U CN201320807868 U CN 201320807868U CN 203705232 U CN203705232 U CN 203705232U
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China
Prior art keywords
drill bit
sample
sampling machine
plastic pipe
hot melting
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CN201320807868.3U
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Chinese (zh)
Inventor
张术宽
吴文栋
涂欣
笪菁
陈家善
李露水
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Guangzhou Special Pressure Equipment Inspection and Research Institute
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Guangzhou Special Pressure Equipment Inspection and Research Institute
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Abstract

The utility model discloses a special sampling machine for preparing a plastic pipe hot melting butt joint tensile sample. The special sampling machine comprises a power motor, a transmission assembly, a drilling assembly and a clamp assembly, wherein the transmission assembly comprises a drill bit lifting mechanism and at least two universal couplings; the drilling assembly comprises at least two drill bits and a drill bit regulating mechanism; each drill bit is mounted on a base of a supporting seat; the universal couplings of the transmission assembly are connected to the drill bits one by one; the power motor is arranged above the supporting seats; the supporting seat are sued for adjusting the motion in the vertical direction through the drill bit lifting mechanism; power of the power motor is distributed onto each universal coupling through a belt and a gear transmission mechanism; the clamp assembly is arranged below the drilling assembly. The special sampling machine solves the defects of low efficiency, low precision, high labor intensity, high operation risk and the like in a traditional sampling method, so that one-time clamping is completed during the drilling process, a line drawing working procedure before sampling is eliminated, and the sampling precision is high.

Description

A kind of special sampling machine for the preparation of plastic pipe hot melting docking tensile sample
Technical field
The utility model relates to the technical field of the test support equipment of preparing for plastic pipe hot melting docking welding tensile sample, is the technology for the preparation of the special sampling machine of plastic pipe hot melting docking tensile sample specifically.
Background technology
The application of tygon (PE) pipeline in combustion gas induction system is more and more extensive, and as the one of pressure-bearing class special equipment, its safety in utilization also receives much concern.The evaluation of PE pipeline welding process is the important method that detects and evaluate PE pipe hot melting welding junction quality, technological parameter correctness and welder's operant level, and tension test is an important test method wherein, domestic main reference standard is mainly GB/T 19810-2005 " mensuration of tygon (PE) tubing and pipe fitting butt-fusion welded joint pulling strengrth and failure mode ".Test and want according to standard, be not more than the test specimen of 25mm for tubing nominal wall thickness, should select A type sample, at present conventional PE pipeline welding process evaluation test specimen, and the nonmetallic materials welder qualification test project BW-J-d and the BW-J-D test specimen that carry out according to TSG Z6002-2010 " special equipment welding operation personnel checking-up detailed rules and regulations ", wall thickness is generally not more than 25mm.Each test material preparation becomes the quantity as many as of tensile sample in 7, and in the tensile sample of sweat soldering, A type sample sample preparation quantity is very large.There is no in the market the special Preparation equipment of this class sample, the problem such as sample preparation exists that efficiency is low, low precision, dangerous property, labour intensity are larger, sample preparation precision may directly affect experimental result.Therefore, a kind of special sampling machine for the preparation of plastic pipe hot melting docking tensile sample of Design and manufacture is necessary and practical value.
According to testing standard requirement, the shape and size of above-mentioned A type sample as shown in Figure 1, Figure 2 with table 1.Sample intercepts from the plastic tube welding piece of butt welding, needs to retain weld seam in sample central authorities; 4 circular holes of drilling, are called waist hole (jaggy) and towing pad, and the line of centres of waist hole and towing pad is mutually vertical, and the waist hole circle heart should drop on axis of a weld.Conventional sample making apparatus roughly has two kinds at present, and one is miniaturized numerical control milling machine tool, expensive, and efficiency is not high; Another is general single shaft radial drill, before adopting sample preparation in this way, to rule, in sample making course, arc-shaped surface of weld seam flange, tubing etc. is irregularly shaped, as shown in Figure 2, visible face is the external arc surface of tubing, middle outstanding position is flange, affects the precision such as bore position, hole axially parallel degree, also dangerous property and the large defect of labour intensity of manual operations.
Because test specimen aperture is larger with respect to pitch-row, in the design of multi-spindle drilling equipment, be subject to the restriction of transmission gear, bearing etc., porous (multiaxis) drilling machine common on market all can not meet the aperture of A type test specimen and the requirement of pitch-row.
Summary of the invention
In order to overcome the shortcoming and defect of existing equipment, solve that the efficiency that at present preparation the type sample sample making apparatus exists is low, low precision, dangerous property, problem that labour intensity is larger, the utility model provides a kind of multi-spindle drilling equipment, the special sampling machine for the preparation of plastic pipe hot melting docking tensile sample that efficiency is high, precision is high, safe and reliable, labour intensity is little.
Of the present utility model being achieved through the following technical solutions:
A kind of special sampling machine for the preparation of plastic pipe hot melting docking tensile sample, it is characterized in that: the described special sampling machine for the preparation of plastic pipe hot melting docking tensile sample comprises power motor, transmission component, boring assembly and clamp assembly, transmission component comprises drill bit elevating mechanism, at least two Hooks coupling universal couplings, boring assembly comprises the governor motion of at least two drill bits and drill bit, each drill bit is arranged on the base of a supporting seat, each Hooks coupling universal coupling of transmission component connects a drill bit one to one, power motor is located at the top of supporting seat, supporting seat regulates the motion of vertical direction by drill bit elevating mechanism, the power of power motor is assigned on each Hooks coupling universal coupling by belt and gear drive, belt and gear drive support by supporting seat, clamp assembly is located at the below of boring assembly.
Described elevating mechanism comprises guide upright post, screw body and handle, and each drill bit is solid center bit.
Described Hooks coupling universal coupling is provided with four, and corresponding drill bit is provided with four, and four drill bits are respectively two waist drills and two traction drill bits, and the line of centres of described two waist drills is mutually vertical with the line of centres of described two traction drill bits.
Described clamp assembly comprises folder sample platform, pilot pin, clamping device, folder sample platform is used for placing coupons, the depression position that pilot pin is used for the axis of a weld that clamps coupons makes waist drill and axis of a weld centering, and clamping device prevents movement and the disengaging of boring procedure coupons for clamping coupons.
The described special sampling machine for the preparation of plastic pipe hot melting docking tensile sample also comprises an aluminum sample template, and the specification of sample template meets the shape and size of coupons, for neutralization is regulated to bit location.
The utlity model has following advantage:
The utility model is for the preparation of the special sampling machine of plastic pipe hot melting docking tensile sample, the requirement of described specimen shape and size conforms GB/T 19810-2005 " mensuration of tygon (PE) tubing and pipe fitting butt-fusion welded joint pulling strengrth and failure mode " A type sample, having realized boring procedure clamped one time completes, saved the front crossed process of sample preparation, sample preparation precision is high.Power described in the utility model, transmission, the assemblies such as boring and fixture, when wherein running part has been realized work by Hooks coupling universal coupling, work when fixing four drill bits of position and diameter, the bore diameter of multi-drill and the restricted problem of pitch-row are solved, holder part is used for clamping coupons, there is the function of centering test specimen axis of a weld, to ensure that Liang Yaokong center is on axis of a weld, solve hand-operated rocker arm simultaneously and be drilled in bore position in sample making course, the precision such as hole axially parallel degree are subject to weld seam flange, the problem of the irregularly shaped impacts such as the arc-shaped surface of tubing.
The power of the utility model device medium power motor is assigned on four Hooks coupling universal couplings by belt and gear drive, be delivered to through Hooks coupling universal coupling four bit location that distance is little, diameter is large, solve the problem that common Multi-drill bit transmission gear and bearing are interfered, realized the four holes while drillings in institute's pitch-row that requires and aperture.
Common solid center bit has been selected in the utility model boring, to adapt to the mechanical property of drilling material; And the elevating mechanism having configured, can control that 4 drill bits are synchronous to rise or decline, realizing drilling and withdrawing.
The utility model clamp assembly forms by pressing from both sides sample platform, pilot pin, clamping device etc., after sample is placed on folder sample platform, by the axis of a weld depression position of pilot pin clamping coupons, to realize the centering of waist drill and axis of a weld, clamping device, in order to step up sample, prevents movement and the disengaging of sample in boring procedure.Fixture has solved the irregularly shaped problems that affect the precision such as bore position, hole axially parallel degree such as the arc-shaped surface of weld seam flange, tubing in sample making course.
The sample template that the utility model sampling machine is equipped with, aluminum, its specification meets the desired shape and size of A type sample in GB/T 19810-2005.
In a word, the boring procedure clamped one time that the utility model has been realized sample preparation completes, and has improved sample preparation precision.Can be applicable to the special sample making apparatus that preparation meets GB/T 19810-2005 A type specimen shape and dimensional requirement, solve the problem that traditional sample making apparatus exists, as being subject to the restriction of transmission gear, bearing etc. in the design of multi-spindle drilling equipment, ensure the accuracy of test figure.
Brief description of the drawings
Fig. 1 is A type sample schematic diagram in GB/T 19810-2005;
Fig. 2 is A type sample material object in GB/T 19810-2005;
Fig. 3 is the structural representation of the utility model for the preparation of the special sampling machine of plastic pipe hot melting docking tensile sample.
Embodiment
A kind of special sampling machine for the preparation of plastic pipe hot melting docking tensile sample, comprise the parts such as power, transmission, boring and fixture, when wherein running part has been realized work by Hooks coupling universal coupling, work when fixing four drill bits of position and diameter, holder part is used for clamping coupons, the function with centering test specimen axis of a weld, critical component comprises: motor, elevating mechanism, Hooks coupling universal coupling, governor motion, drill bit, pilot pin, clamping device etc.
Concrete structure is as follows: as shown in Figure 3, special sampling machine for the preparation of plastic pipe hot melting docking tensile sample comprises power motor 1, transmission component, boring assembly and clamp assembly, transmission component comprises drill bit elevating mechanism 2, at least two Hooks coupling universal couplings 3, boring assembly comprises the governor motion 5 of at least two drill bits 4 and drill bit, each drill bit is arranged on the base of a supporting seat 6, each Hooks coupling universal coupling of transmission component connects a drill bit one to one, power motor is located at the top of supporting seat, supporting seat regulates the motion of vertical direction by drill bit elevating mechanism, the power of power motor 1 is assigned on each Hooks coupling universal coupling 3 by belt and gear drive, belt and gear drive support by supporting seat, clamp assembly is located at the below of boring assembly.Elevating mechanism 2 comprises guide upright post 21, screw body and handle 22, and each drill bit is solid center bit.In the utility model, Hooks coupling universal coupling is provided with four, corresponding drill bit is provided with four, four drill bits are respectively two waist drills and two traction drill bits, the line of centres of two waist drills is mutually vertical with the line of centres of described two traction drill bits, and two traction drill bits are symmetrical about the line of centres of two waist drills.Clamp assembly comprises folder sample platform 7, pilot pin 8, clamping device 9, folder sample platform is used for placing coupons, the depression position that pilot pin is used for the axis of a weld that clamps coupons makes waist drill and axis of a weld centering, and clamping device prevents movement and the disengaging of boring procedure coupons for clamping coupons.Special sampling machine described in the utility model also comprises an aluminum sample template, and the specification of sample template meets the shape and size of coupons, for neutralization is regulated to bit location.Clamping device 9 can be selected screw mandrel clamping device, is two relative fixture blocks are set on screw mandrel, by hand, coupons is clamped.Sample described in the utility model is coupons.Fig. 2 acceptance of the bid shows waist hole 41, towing pad 42.
The utility model method of operating is as follows: table 1 is A type specimen size in GB/T 19810-2005.
1) adjusting and more bit change, adjustable type is suitable for to the greatest extent: change the applicable drill bit of diameter, the nut of loosening governor motion, is adjusted to tram by drill bit, sample template is placed on fixture and checks bit location, until identical with template;
2) clamping sample: coupons is placed in to fixture, by the weld seam of pilot pin registration coupon sheet clamping, is generally realized by spring, rotate clamping device handwheel, clamp sample;
3) boring: starter motor, the handle of rotation elevating mechanism, makes drill bit decline drilling sample, confirms that rotating backward handle after brill thoroughly exits drill bit.
Table 1: unit is mm

Claims (5)

1. the special sampling machine for the preparation of plastic pipe hot melting docking tensile sample, it is characterized in that: the described special sampling machine for the preparation of plastic pipe hot melting docking tensile sample comprises power motor, transmission component, boring assembly and clamp assembly, transmission component comprises drill bit elevating mechanism, at least two Hooks coupling universal couplings, boring assembly comprises the governor motion of at least two drill bits and drill bit, each drill bit is arranged on the base of a supporting seat, each Hooks coupling universal coupling of transmission component connects a drill bit one to one, power motor is located at the top of supporting seat, supporting seat regulates the motion of vertical direction by drill bit elevating mechanism, the power of power motor is assigned on each Hooks coupling universal coupling by belt and gear drive, belt and gear drive support by supporting seat, clamp assembly is located at the below of boring assembly.
2. the special sampling machine for the preparation of plastic pipe hot melting docking tensile sample as claimed in claim 1, is characterized in that: described elevating mechanism comprises guide upright post, screw body and handle, and each drill bit is solid center bit.
3. the special sampling machine for the preparation of plastic pipe hot melting docking tensile sample as claimed in claim 1, it is characterized in that: described Hooks coupling universal coupling is provided with four, corresponding drill bit is provided with four, four drill bits are respectively two waist drills and two traction drill bits, and the line of centres of described two waist drills is mutually vertical with the line of centres of described two traction drill bits.
4. the special sampling machine for the preparation of plastic pipe hot melting docking tensile sample claimed in claim 3, it is characterized in that: described clamp assembly comprises folder sample platform, pilot pin, clamping device, folder sample platform is used for placing coupons, the depression position that pilot pin is used for the axis of a weld that clamps coupons makes waist drill and axis of a weld centering, and clamping device prevents movement and the disengaging of boring procedure coupons for clamping coupons.
5. the special sampling machine for the preparation of plastic pipe hot melting docking tensile sample claimed in claim 4, it is characterized in that: the described special sampling machine for the preparation of plastic pipe hot melting docking tensile sample also comprises an aluminum sample template, the specification of sample template meets the shape and size of coupons, for neutralization is regulated to bit location.
CN201320807868.3U 2013-12-11 2013-12-11 Special sampling machine for preparing plastic pipe hot melting butt joint tensile sample Active CN203705232U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320807868.3U CN203705232U (en) 2013-12-11 2013-12-11 Special sampling machine for preparing plastic pipe hot melting butt joint tensile sample

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320807868.3U CN203705232U (en) 2013-12-11 2013-12-11 Special sampling machine for preparing plastic pipe hot melting butt joint tensile sample

Publications (1)

Publication Number Publication Date
CN203705232U true CN203705232U (en) 2014-07-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320807868.3U Active CN203705232U (en) 2013-12-11 2013-12-11 Special sampling machine for preparing plastic pipe hot melting butt joint tensile sample

Country Status (1)

Country Link
CN (1) CN203705232U (en)

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