Quality detection device for PVC pipe processing

Abstract

The utility model relates to the technical field of PVC (Polyvinyl Chloride) pipe compression resistance quality detection, in particular to a quality detection device for processing a PVC pipe, which can be used for conveniently and fixedly placing the PVC pipe under a lower pressing plate of a compression testing machine, improving the positioning effect on the pipe, preventing the pipe from rolling in the detection process and ensuring the normal detection. Comprising a compression testing machine used for testing compression resistance, two sets of supporting plates are fixedly connected to the middle position of a base of the compression testing machine in a front-back symmetrical mode, two sets of guide rods are symmetrically arranged on two sets of n-shaped clamping frames in a sliding mode through matching of guide holes, and two sets of movable plates are symmetrically installed on the two sets of n-shaped clamping frames in a sliding mode. The outer sides of the movable plates are fixedly connected with the inner sides of the guide rods, the guide rods are sleeved with springs, the two ends of the springs are connected with the U-shaped clamping frames and the movable plates respectively, the two sets of left movable plates and the two sets of right movable plates are slidably sleeved with positioning plates, and the bottom ends of the positioning plates are parallel to the bottom end of the U-shaped clamping frames.

Description

TECHNICAL FIELD

[0001] The utility model relates to PVC pipe compression resistance quality detection's technical field, especially a quality detection device for PVC pipe processing. BACKGROUND

[0002] PVC pipe is a kind of pipeline made of polyvinyl chloride resin, it is formed by extrusion after the treatment of stabilizer and lubricant, has strong corrosion resistance, easy to bond, low price, hard texture and other advantages, is widely used in drainage, wastewater treatment, chemical delivery, heating liquid and cooling liquid delivery, food processing, ultra-pure liquid delivery, slurry delivery, gas delivery, compressed air and vacuum system application and other fields.

[0003] In the processing of PVC pipe, the quality of finished pipe material needs to be detected, and the compression resistance of PVC pipe is one of the performances, when the compression resistance of PVC pipe is detected, the existing technology generally takes a section of PVC pipe as sample, and then uses pressure testing machine to detect the compression resistance of the sample.

[0004] Pressure testing machine is a kind of physical and mechanical energy testing equipment, mainly suitable for various physical and mechanical performance testing of rubber, plastic plate, pipe, profiled material, plastic film, wire and cable, waterproof roll material, metal wire, carton and other materials, but the existing pressure testing machine is inconvenient to fix the section of PVC pipe under the lower side of the lower pressing plate of pressure testing machine, and the positioning effect of pipe is poor, and the pipe is easy to roll in the detection process, which affects the normal detection. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a kind of quality detection device for PVC pipe processing, which can be conveniently fixed under the lower side of the lower pressing plate of pressure testing machine, improve the positioning effect of pipe, avoid the rolling of pipe in the detection process, and ensure the normal detection.

[0006] TECHNICAL SCHEME

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a quality detection device for PVC pipe processing, including the pressure testing machine for testing the compression resistance and the positioning and clamping mechanism arranged on the base of the pressure testing machine, the positioning and clamping mechanism includes two groups of hydraulic cylinders, the base of the pressure testing machine is fixedly connected with two groups of support plates in the middle position and symmetrically in front and back, two groups of hydraulic cylinders are fixedly installed on two groups of support plates respectively, the output end of two groups of hydraulic cylinders is fixedly connected with the type clamping frame, the bottom end of the type clamping frame is in contact with the base of the pressure testing machine, both sides of two groups of type clamping frames are equipped with guide holes, two groups of guide rods are symmetrically and slidably arranged on two groups of type clamping frames through the cooperation of guide holes, two groups of movable plates are symmetrically and slidably installed on two groups of type clamping frames, the outer side of movable plate is fixedly connected with the inner side of guide rod, the spring is sleeved on the guide rod, and the both ends of the spring are connected with the type clamping frame and movable plate respectively, the positioning plate is slidably sleeved on the left two groups of movable plates and the right two groups of movable plates, and the bottom end of the positioning plate is horizontal with the bottom end of the type clamping frame.

[0008] Preferably, the T-shaped sliding block is integrally arranged on the four groups of movable plates, the T-shaped sliding groove is arranged on the inner side of the type clamping frame, and the movable plate is slidably arranged on the type clamping frame through the cooperation of the T-shaped sliding block and the T-shaped sliding groove.

[0009] Preferably, the limiting column is fixedly arranged on the side, away from the type clamping frame, of the top end of the four groups of movable plates, the limiting groove is arranged on the top end of the two groups of positioning plates, and the positioning plate is slidably sleeved on the movable plate through the cooperation of the limiting column and the limiting groove.

[0010] Preferably, the limiting table is fixedly arranged on the outer side of the four groups of guide rods.

[0011] Preferably, the fastening pad is fixedly connected with the inner side of the two groups of positioning plates.

[0012] Preferably, the sliding sleeve is fixedly arranged in the guide hole of the two groups of type clamping frames.

[0013] The beneficial effects of the utility model compared with prior art are: when using, taking a proper length PVC pipe as a detection sample, then placing the sample pipe on the pressure testing machine base, making the sample pipe placed between the two sets of positioning plates, the sample pipe extruding the positioning plates, pushing the positioning plates to move outward, then making the positioning plates drive the movable plate to move outward, making the movable plate push the guide rod to slide outward, the spring is compressed, then making the positioning plates clamp the movable plate through the pushing force generated by spring compression, then starting the hydraulic cylinder, the hydraulic cylinder pushing the L-shaped clamping frame to move inward, the L-shaped clamping frame pushing the movable plate to slide to the inside of the limiting column, then making the L-shaped clamping frame clamped on the front and back two ends of the sample pipe, making the sample pipe fixedly placed directly below the lower pressing plate of the pressure testing machine, when pressing, the sample pipe will push the positioning plates to move outward after deforming, thus not affecting the detection of the compression resistance, thus being convenient for the sample pipe to be fixedly placed directly below the lower pressing plate of the pressure testing machine, improving the positioning effect on the pipe material, avoiding the pipe material from rolling during the detection, and ensuring the normal detection. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the axonometric structure schematic view of the utility model;

[0015] Figure 2 It is the axonometric structure schematic view of the utility model when positioning and clamping the PVC pipe;

[0016] Figure 3 It is the axonometric structure schematic view of the positioning and clamping mechanism in the utility model;

[0017] Figure 4 It is the axonometric structure schematic view of the positioning plate in the utility model;

[0018] Markings in the drawings: 1, pressure testing machine; 2, hydraulic cylinder; 3, support plate; 4, L-shaped clamping frame; 5, guide rod; 6, movable plate; 7, spring; 8, positioning plate; 9, limiting column; 10, limiting groove; 11, limiting table; 12, fastening pad; 13, sliding sleeve; 14, T-shaped sliding block. DETAILED DESCRIPTION

[0019] The specific implementation of the utility model will be described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0020] EXAMPLE

[0021] Please refer to Figures 1-4The utility model discloses a quality detection device for PVC pipe processing, including the pressure testing machine 1 for testing the compression resistance, the bottom seat of pressure testing machine 1 is fixedly connected with two groups of support plates 3 in the middle position of front and back symmetry, two groups of hydraulic cylinders 2 are fixedly installed on two groups of support plates 3 respectively, and the output end of two groups of hydraulic cylinders 2 is fixedly connected with the clamping frame 4 of the Chinese character " fan " type, and the bottom end of the Chinese character " fan " type clamping frame 4 is in contact with the bottom seat of pressure testing machine 1, and the both sides of two groups of Chinese character " fan " type clamping frames 4 are equipped with guide holes, and two groups of guide rods 5 are slidably arranged on two groups of Chinese character " fan " type clamping frames 4 through the cooperation of guide holes.

[0022] The T-shaped sliding block 14 is integrally arranged on the top end of the movable plate 6, and the T-shaped sliding groove is arranged on the inner side of the Chinese character " fan " type clamping frame 4, and the movable plate 6 is slidably arranged on the Chinese character " fan " type clamping frame 4 through the cooperation of the T-shaped sliding block 14 and the T-shaped sliding groove.

[0023] The limiting column 9 is fixedly arranged on the side, away from the Chinese character " fan " type clamping frame 4, of the top end of the movable plate 6, and the limiting groove 10 is arranged on the top end of the positioning plate 8, and the positioning plate 8 is slidably arranged on the movable plate 6 through the cooperation of the limiting column 9 and the limiting groove 10.

[0024] The outer side of the four groups of guide rods 5 is fixed with a limiting table 11; by setting the limiting table 11, when the pipe is taken out, the spring 7 starts to rebound and reset, and the limiting table 11 can prevent the guide rod 5 from being separated from the Z-shaped clamping frame 4 when the spring 7 rebounds and resets.

[0025] The inner side of the two groups of positioning plates 8 is fixedly connected with a fastening pad 12; by setting the fastening pad 12, the positioning plate 8 is more tightly clamped on the PVC pipe.

[0026] The guide hole of the two groups of Z-shaped clamping frames 4 is fixedly provided with a sliding sleeve 13; by setting the sliding sleeve 13, the guide rod 5 can slide more smoothly on the Z-shaped clamping frame 4.

[0027] The working principle of the quality detection device for PVC pipe processing is that when in use, a PVC pipe with appropriate length is taken as a detection sample, and then the sample pipe is placed on the base of the pressure testing machine 1, so that the sample pipe is placed between the two groups of positioning plates 8, the sample pipe extrudes the positioning plates 8, the positioning plates 8 are driven to move outward, the positioning plates 8 drive the movable plates 6 to move outward, the movable plates 6 drive the guide rods 5 to slide outward, the spring 7 is compressed, the movable plates 6 are clamped by the positioning plates 8 through the thrust generated by the compression of the spring 7, then the hydraulic cylinder 2 is started, the hydraulic cylinder 2 drives the Z-shaped clamping frame 4 to move inward, the Z-shaped clamping frame 4 drives the movable plates 6 to slide into the inner part of the limiting column 9, so that the Z-shaped clamping frame 4 is clamped at the front and rear ends of the sample pipe, and the sample pipe is fixedly placed directly below the lower pressing plate of the pressure testing machine, when the lower pressing plate presses, the sample pipe is deformed and drives the positioning plates 8 to move outward, so that the detection of the compression resistance is not affected.

[0028] The installation mode, connection mode or setting mode of the quality detection device for PVC pipe processing are common mechanical modes, as long as the beneficial effects can be achieved, and the pressure testing machine and the hydraulic cylinder of the quality detection device for PVC pipe processing are purchased on the market, and the technical personnel in the industry only need to install and operate according to the attached instruction manual.

[0029] The preferred embodiments of the utility model are described above, and it should be pointed out that for ordinary technical personnel in the technical field, some improvements and modifications can be made without departing from the technical principles of the utility model, and these improvements and modifications should also be regarded as the protection range of the utility model.

Claims

1. A quality testing device for PVC pipe processing, comprising a compression testing machine (1) for testing compression resistance, characterized in that, It also includes a positioning and clamping mechanism arranged on the base of the pressure testing machine (1); The positioning and clamping mechanism comprises two groups of hydraulic cylinders (2), two groups of supporting plates (3) are fixedly connected at the middle positions of the base of the pressure testing machine (1) in a front-rear symmetry manner, the two groups of hydraulic cylinders (2) are fixedly installed on the two groups of supporting plates (3) respectively, the output ends of the two groups of hydraulic cylinders (2) are fixedly connected with a type of clamping frames (4), the bottom ends of the type of clamping frames (4) are in contact with the base of the pressure testing machine (1), the two sides of the two groups of type of clamping frames (4) are provided with guide holes, two groups of guide rods (5) are symmetrically and slidingly arranged on the two groups of type of clamping frames (4) through the cooperation of the guide holes, two groups of movable plates (6) are symmetrically and slidingly installed on the two groups of type of clamping frames (4), the outer sides of the movable plates (6) are fixedly connected with the inner sides of the guide rods (5), springs (7) are sleeved on the guide rods (5), and the two ends of the springs (7) are connected with the type of clamping frames (4) and the movable plates (6) respectively, positioning plates (8) are slidingly sleeved on the left and right two groups of movable plates (6), and the bottom ends of the positioning plates (8) are horizontal with the bottom ends of the type of clamping frames (4).

2. The quality detection device for PVC pipe processing according to claim 1, characterized in that the four groups of The movable plates (6) are integrally and fixedly provided with T-shaped sliding blocks (14), the inner sides of the type of clamping frames (4) are provided with T-shaped sliding grooves, and the movable plates (6) are slidingly installed on the type of clamping frames (4) through the cooperation of the T-shaped sliding blocks (14) and the T-shaped sliding grooves.

3. The quality detection device for PVC pipe processing according to claim 2, characterized in that the four groups of The top ends of the movable plates (6) are fixedly provided with limiting columns (9) away from the type of clamping frames (4), limiting grooves (10) are formed in the top ends of the two groups of positioning plates (8), and the positioning plates (8) are slidingly sleeved on the movable plates (6) through the cooperation of the limiting columns (9) and the limiting grooves (10).

4. The quality detection device for PVC pipe processing according to claim 3, characterized in that, The outer sides of the four groups of guide rods (5) are fixedly provided with limiting tables (11).

5. A quality detection device for PVC pipe processing as claimed in claim 4, characterized in that, The inner sides of the two groups of positioning plates (8) are fixedly connected with fastening pads (12).

6. A quality detection device for PVC pipe processing as claimed in claim 5, characterized in that, The guide holes of the two groups of type of clamping frames (4) are fixedly provided with sliding sleeves (13).

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