Charging barrel inner hole detection device

Abstract

A charging barrel inner hole detection device comprises a lathe, a guide rail installed on the lathe, a tool rest table and a support installed on the guide rail, an inner hole detection mechanism fixed to the tool rest table, the inner hole detection mechanism comprises an inner hole detector installed in the left side of a square tube and a tail adjusting mechanism installed in the right side of the square tube, and the left side and the right side of the interior of the square tube are in transition through an adjusting rod. During working, a charging barrel is placed on the support and clamped by the three jaws, the tool rest table drives the inner hole detection mechanism to move from right to left, so that an inner hole detector reaches the left side of the charging barrel, an adjusting bolt is adjusted to enable the head of an ejector pin to touch the inner wall of the charging barrel, a power head drives the charging barrel to rotate slowly, and the inner hole detector performs ovality detection on the interior of the charging barrel. And detection data is transmitted out through a signal line for analysis and judgment of an operator. According to the device, the square tube serves as a support for detection, the rigidity is good, when the length of the charging barrel is too long, the shaking phenomenon cannot occur in the detection process, and the detection precision is improved.

Description

Technical Field

[0001] The invention relates to a barrel inner hole detection device. Background Art

[0002] The barrel (pinyin: liaotong English: stuffcanister) is made of high-quality seamless steel pipe and is precision-processed. It is a special barrel for plastic machinery. The barrel has the advantages of high smoothness, high centrality, full model, good quality, low price and maintainability.

[0003] At present, after the barrel has gone through multiple processing processes, it must be tested before leaving the factory. One of the processes is to test the ovality of the inner hole. The existing testing method is to use a long rod to install the inner hole detector on the end of the long rod, and the other end of the long rod is fixed on the tool holder table. The tool holder table moves left and right to enter the inner hole of the barrel. The tool holder table moves back and forth to make the head of the ejector contact with the inside of the barrel, so as to detect the inner hole of the barrel. When the length of the barrel is long, the rigidity of the long rod is not enough, and the long rod will produce a certain deformation during the detection, which affects the detection accuracy. Summary of the invention

[0004] In view of the shortcomings existing in the above problems, the present invention provides a barrel inner hole detection device.

[0005] To achieve the above-mentioned purpose, the present invention provides a barrel inner hole detection device, including a lathe, a guide rail is installed on the lathe, a tool holder table and a bracket are installed on the guide rail, an inner hole detection mechanism is fixed on the tool holder table, the inner hole detection mechanism includes an inner hole detector installed inside the left side of the square tube, a tail adjustment mechanism is installed inside the right side of the square tube, and the left and right sides of the square tube are transitioned through an adjusting rod.

[0006] As a further improvement of the present invention, a power head is installed on the left side of the lathe, and three claws are installed on the power head.

[0007] As a further improvement of the present invention, the bracket includes an upper support seat, and the upper support seat is fixedly connected to the base plate by a locking bolt.

[0008] As a further improvement of the present invention, positioning bolts are installed on both sides of the upper support seat, and the right side of the barrel is positioned by the positioning bolts, while making the center line of the barrel horizontal.

[0009] As a further improvement of the present invention, the inner hole detector includes a base and an ejector pin, and a spring 1 is installed outside the ejector pin.

[0010] As a further improvement of the present invention, the tail adjustment mechanism includes an adjustment bolt installed above the square tube, a spring II installed at the lower part of the adjustment rod and below the square tube, and a spring seat installed between the spring II and the lower part of the adjustment rod.

[0011] As a further improvement of the present invention, the middle position of the adjusting rod is fixed by an intermediate bracket shaft.

[0012] As a further improvement of the present invention, a top is processed on the left end of the adjusting rod.

[0013] The beneficial effects of the present invention are:

[0014] The device uses a square tube as a support for detection, which has good rigidity. When the length of the barrel is too long, there will be no shaking during the detection process, and the detection accuracy is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view of a barrel inner hole detection device of the present invention;

[0016] Figure 2 It is a cross-sectional view taken along line AA in the figure;

[0017] Figure 3 for Figure 1 The enlarged view of point B in the middle;

[0018] Figure 4 for Figure 1 Enlarged view of point C in the middle;

[0019] Figure 5 for Figure 1 Cross-sectional view of the middle DD;

[0020] Figure 6 for Figure 3 Cross-sectional view of EE.

[0021] In the figure: 1. lathe; 11. guide rail; 12. tool holder; 13. bracket; 131. bottom plate; 132. locking bolt; 133. upper support seat; 134. positioning bolt; 2. power head; 21. three-claw; 3. barrel; 4. inner hole detection mechanism; 41. square tube; 42. inner hole detector; 421. base; 422. spring Ⅰ; 423. ejector pin; 43. intermediate bracket shaft; 44. adjusting rod; 441. ejector head; 45. tail adjustment mechanism; 451. adjusting bolt; 452. spring Ⅱ; 453. spring seat. DETAILED DESCRIPTION

[0022] like Figure 1 , 2As shown, a barrel inner hole detection device described in the present invention comprises a lathe 1, a power head 2 is installed on the left side of the lathe 1, a three-claw 21 is installed at the power head 2, a guide rail 11 is installed on the lathe 1, a tool holder 12 and a bracket 13 are installed on the guide rail 11, and the bracket 13 comprises an upper support seat 133, the upper support seat 133 is fixedly connected to the bottom plate 131 by a locking bolt 132, positioning bolts 134 are installed on both sides of the upper support seat 133, and the right side of the barrel 3 is positioned by the positioning bolts 134, and the center line of the barrel 3 is horizontal. An inner hole detection mechanism 4 is fixed on the tool holder 12, and the inner hole detection mechanism 4 comprises an inner hole detector 42 installed inside the left side of the square tube 41, and the inner hole detector 42 comprises a base 421 and an ejector pin 423, and a spring 1422 is installed outside the ejector pin 423. The tail adjustment mechanism 45 is installed inside the right side of the square tube 41. The tail adjustment mechanism 45 includes an adjustment bolt 451 installed on the top of the square tube 41, a spring II 452 installed at the bottom of the adjustment rod 44 and the bottom of the square tube 41, and a spring seat 453 is installed between the spring II 452 and the bottom of the adjustment rod 44. The left and right sides of the inside of the square tube 41 transition through the adjustment rod 44. The middle position of the adjustment rod 44 is fixed by the middle bracket shaft 43. The left end of the adjustment rod 44 is processed with a head 441, so that the transition is rounded when the adjustment rod 44 hits the base 421.

[0023] The device uses a square tube as a support for detection, which has good rigidity. When the length of the barrel is too long, there will be no shaking during the detection process, and the detection accuracy is improved.

[0024] In order to facilitate the understanding of the present invention, the following description is given in conjunction with the accompanying drawings during specific use;

[0025] During operation, the barrel is placed on the bracket, clamped by three claws, and the center line of the barrel is adjusted to be horizontal. The tool holder drives the inner hole detection mechanism to move from right to left, so that the inner hole detector reaches the left side of the barrel, and the adjusting bolt is adjusted (the adjusting bolt is screwed downward) so that the head of the ejector touches the inner wall of the barrel (spring 1 contracts, spring 2 contracts, and the adjusting rod 44 is in a stable state). The power head drives the barrel to rotate slowly, and the inner hole detector detects the ovality of the inside of the barrel. The detection data is transmitted through the signal line for the operator to analyze and judge.

[0026] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A barrel inner hole detection device, characterized in that: The invention comprises a lathe (1), wherein a guide rail (11) is installed on the lathe (1), a tool holder platform (12) and a bracket (13) are installed on the guide rail (11), an inner hole detection mechanism (4) is fixed on the tool holder platform (12), the inner hole detection mechanism (4) comprises an inner hole detector (42) installed inside the left side of a square tube (41), a tail adjustment mechanism (45) installed inside the right side of the square tube (41), and the inside of the square tube (41) is transitioned from left to right via an adjustment rod (44).

2. A barrel inner hole detection device according to claim 1, characterized in that: A power head (2) is installed on the left side of the lathe (1), and three claws (21) are installed on the power head (2).

3. A barrel inner hole detection device according to claim 1, characterized in that: The bracket (13) comprises an upper support seat (133), and the upper support seat (133) is fixedly connected to the bottom plate (131) via a locking bolt (132).

4. A barrel inner hole detection device according to claim 3, characterized in that: Positioning bolts (134) are installed on both sides of the upper support seat (133), and the right side of the barrel (3) is positioned by the positioning bolts (134), while making the center line of the barrel (3) horizontal.

5. The barrel inner hole detection device according to claim 1, characterized in that: The inner hole detector (42) comprises a base (421) and a ejector pin (423), and a spring 1 (422) is installed outside the ejector pin (423).

6. A barrel inner hole detection device according to claim 1, characterized in that: The tail adjustment mechanism (45) comprises an adjustment bolt (451) installed above the square tube (41), a spring II (452) installed at the lower part of the adjustment rod (44) and below the square tube (41), and a spring seat (453) is installed between the spring II (452) and the lower part of the adjustment rod (44).

7. The barrel inner hole detection device according to claim 1, characterized in that: The middle position of the adjusting rod (44) is fixed by an intermediate bracket shaft (43).

8. A barrel inner hole detection device according to claim 7, characterized in that: The left end of the adjusting rod (44) is processed with a top head (441).

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