Elbow tapping machine feeding device and elbow tapping machine feeding method

Abstract

The application discloses a feeding device of a elbow tapping machine, which comprises a sorting track, a turnover assembly and an identification assembly; the identification assembly is located on the sorting track; the turnover assembly comprises a blocking piece rod, a blocking piece cylinder, a turnover push rod and a turnover cylinder; the turnover cylinder is located on one side of the sorting track, and the output end of the turnover cylinder is connected with the turnover push rod; the turnover push rod is in the shape of a circular arc and is located below the sorting track; the sorting track is provided with a through hole through which the turnover push rod can pass upwards; the blocking piece cylinder is located below the sorting track, and the output end of the blocking piece cylinder is connected with the blocking piece rod upwards; the device adopts the sorting track, the turnover assembly and the identification assembly to identify and turn over the elbow state; the identification assembly can detect the orientation of the elbow rib diameter at this time; if the rib diameter is downward, the turnover assembly can easily realize the turnover of the elbow by means of the blocking piece rod, the blocking piece cylinder, the turnover push rod and the turnover cylinder. The application has the characteristics of simple structure, convenient turnover and low error rate.

Description

TECHNICAL FIELD

[0001] The application relates to a feeding device and a direction detection method, in particular to a feeding device and a feeding method of a elbow tapping machine. BACKGROUND

[0002] Elbow tapping is an important process in elbow production. Elbow tapping is mainly tapping operation using an elbow tapping machine, and the elbow tapping machine automatically completes tapping processing of the elbow from the tapping machine chute. An important prerequisite for automatic tapping processing is that the rib diameter of the elbow must be placed upward. At present, there is only one method of manual placement for the operator to load the elbow into the tapping machine chute. The operator usually has two sets of operation modes in this operation. First, the elbow is placed on the tapping machine chute, and then the direction of the rib diameter of the elbow is identified. If the rib diameter of the elbow is upward, no operation is performed. If the rib diameter of the elbow is downward, the elbow is flipped so that the rib diameter is upward. The second method is to ensure that the rib diameter of the elbow is upward when the elbow is placed on the tapping machine chute, and then the elbow is placed on the tapping machine chute. Although the above two methods can achieve the loading of the elbow with the rib diameter upward into the tapping machine chute, the manual placement method relies too much on manual operation. Under normal circumstances, an operator can only simultaneously feed 2-3 elbow tapping machines. If one of the elbow tapping machines fails and the operator needs to repair it, it will inevitably affect the normal operation of the other 1-2 machines. This will greatly affect the processing efficiency of the elbow. In the above operation process, the labor intensity of the workers is high, the feeding method is too old, the degree of automation is low, and the elbow tapping efficiency is low. SUMMARY

[0003] The technical problem to be solved by the application is to provide an automatic elbow tapping machine feeding device with a qualified elbow posture. The application also provides an elbow tapping machine feeding method.

[0004] To solve the above technical problems, the technical solution adopted by the application is as follows:

[0005] A feeding device of an elbow tapping machine, comprising a sorting track, a flipping assembly and an identification assembly; the identification assembly is located on the sorting track; the flipping assembly comprises a blocking piece rod, a blocking piece cylinder, a flipping push rod and a flipping cylinder; the flipping cylinder is located on one side of the sorting track, and the output end of the flipping cylinder is connected with the flipping push rod; the flipping push rod is in a circular arc shape and is located below the sorting track; the sorting track is provided with a through hole through which the flipping push rod can pass upward; the blocking piece cylinder is located below the sorting track, and the output end of the blocking piece cylinder is connected with the blocking piece rod upward; the blocking piece rod is vertically arranged and located at the rear end of the flipping push rod; and the sorting track is provided with a through hole through which the blocking piece rod can pass.

[0006] The elbow tapping machine feeding device, the identification assembly comprises a first sensor, a second sensor and a third sensor; the first sensor, the second sensor and the third sensor are all switch type sensors, and are sequentially arranged at the bottom of the sorting track in front of the turnover cylinder; and the horizontal distance between adjacent sensors is half of the horizontal length of the elbow.

[0007] The elbow tapping machine feeding device, the sorting track is a V-shaped strip track; the sorting track on both sides of the position of the turnover assembly is additionally provided with a turnover anti-deviation plate.

[0008] An elbow tapping machine feeding method, the method steps are:

[0009] The sorting track transports the elbow to the position of the identification assembly, and performs posture identification; according to the identification result, corresponding operation is performed; if the muscle diameter of the elbow is downward, the turnover operation is performed; if the muscle diameter of the elbow is upward, the operation of continuing to transport forward is performed;

[0010] The turnover cylinder controls the turnover push rod to resist the muscle diameter side of the elbow upward, the stop piece cylinder controls the stop piece rod to resist the front end of the elbow, then the turnover cylinder controls the turnover push rod to rotate, so that the elbow is turned over to the muscle diameter upward state; then the operation is performed;

[0011] The sorting track continues to transport the elbow forward.

[0012] The elbow tapping machine feeding method, the posture identification process in the steps is:

[0013] If the signal change of the sensor is as follows, the muscle diameter of the elbow is identified as upward;

[0014] Firstly, the first sensor detects the signal, and the other sensors have no signal;

[0015] Then, the first sensor and the third sensor detect the signal, and the second sensor has no signal;

[0016] Finally, the third sensor detects the signal, and the other sensors have no signal;

[0017] If the signal change of the sensor is as follows, the muscle diameter of the elbow is identified as downward;

[0018] Firstly, the first sensor detects the signal, and the other sensors have no signal;

[0019] Then, the second sensor detects the signal, and the other sensors have no signal;

[0020] Finally, the third sensor detects the signal, and the other sensors have no signal.

[0021] The beneficial effects produced by the above technical scheme are that the device adopts the sorting track, the turnover assembly and the identification assembly to identify and turn over the elbow state, the identification assembly can detect the orientation of the elbow rib diameter at this time, if the rib diameter is downward, the turnover assembly can easily realize the turnover of the elbow by using the stopper rod, the stopper cylinder, the turnover push rod and the turnover cylinder.

[0022] The method can determine the orientation of the elbow through the signals of the three sensors, and only when the rib diameter is downward can the first sensor and the third sensor have signals while the second sensor has no signal. In this way, the three sensors are used to determine the orientation of the elbow, which is simple and fast, reduces the detection cost, improves the detection efficiency, effectively realizes the determination rate of the orientation of the elbow, saves time, and significantly improves the feeding speed of the elbow. BRIEF DESCRIPTION OF DRAWINGS

[0023] The application will be further described in detail below in combination with the drawings and specific embodiments.

[0024] Figure 1 is a structural schematic diagram of the application;

[0025] Figure 2 is a half-section structural schematic diagram of the elbow when not turned over;

[0026] Figure 3 is a half-section structural schematic diagram of the elbow when turned over;

[0027] Figure 4 is a structural schematic diagram of the turnover component.

[0028] The numbers in the figure represent: 1, turnover cylinder; 2, stopper cylinder; 3, stopper rod; 4, turnover anti-warping plate; 5, elbow with rib diameter downward; 6, elbow with rib diameter upward; 7, turnover push rod; 8, sorting track; 9, third sensor; 10, second sensor; 11, first sensor. DETAILED DESCRIPTION

[0029] In the application, the rib diameter is the outside of the curved part of the elbow.

[0030] Referring to Figure 1 , the application comprises a sorting track 8, a turnover assembly and an identification assembly. Referring to Figures 1-4The turnover assembly includes a stopper rod 3, a stopper cylinder 2, a turnover push rod 7 and a turnover cylinder 1. The sorting track 8 is a V-shaped strip track, and the V-shaped sorting track 8 can limit the posture of the elbow to only two postures of the radial direction or the radial direction downward. The front end of the sorting track 8 is a feeding device, and the rear end is a piece taking and sliding mechanism. The sorting track 8 on both sides of the position of the turnover assembly is additionally provided with a turnover anti-inclination plate 4. The turnover anti-inclination plate 4 can limit the elbow from tilting left and right in the forward direction when the elbow is turned over, so as to prevent the elbow from falling. The turnover cylinder 1 is located on one side of the sorting track 8, and the turnover push rod 7 is located below the sorting track 8. The turnover cylinder 1 is connected with the turnover push rod 7 through a strip-shaped connecting piece. The strip-shaped connecting piece is long strip-shaped, one end of which is connected with the output end of the turnover cylinder 1, and the other end is connected with the turnover push rod 7. The turnover push rod 7 is a quarter of a circular arc, and the radius length is the same as the length of the strip-shaped connecting piece. The inner side of the circular arc is arranged towards the center of rotation of the turnover cylinder 1. The sorting track 8 is provided with a push rod through hole through which the turnover push rod 7 can pass. The horizontal distance from the push rod through hole to the turnover cylinder 1 is the same as the radius of the turnover push rod 7. Since the distance from the turnover push rod 7 to the center position of the turnover cylinder 1 is equal to the distance from the push rod through hole to the turnover cylinder 1, the turnover push rod 7 can continue to rotate upward after passing through the push rod through hole.

[0031] Referring to Figures 1-4 The stopper cylinder 2 is located below the sorting track 8. The output end of the stopper cylinder 2 is connected with the stopper block 3 upward. The upper part of the stopper block 3 is an inclined edge inclined upward and forward. The front part of the stopper block 3 is inclined downward or downward and rearward. Thus, the top corner of the stopper block 3 is formed in an acute angle and is arranged to be inclined upward and forward. The sorting track 8 is provided with a stopper through hole through which the top corner of the stopper block 3 can pass. The top corner of the stopper block 3 is provided with a protrusion extending forward. After the stopper block 3 is lifted by the stopper cylinder 2, the protrusion can be inserted into the pipe of the elbow and abut against the rear end of the lower pipe wall of the elbow. The stopper through hole is located at the rear end of the push rod through hole, and the distance between the top corner of the stopper block 3 and the push rod through hole after the top corner passes through the stopper through hole is less than the length of the elbow and greater than half of the length of the elbow. The inclined edge of the upper part of the stopper block 3 will not hinder the turnover process when the elbow is turned over. With the above structure, when the elbow is turned over, the stopper cylinder 2 controls the stopper rod 3 to extend upward, the stopper rod 3 stops the rear end of the elbow, the turnover cylinder 1 controls the rotation of the turnover push rod 7, and the turnover push rod 7 abuts against the radial side of the elbow at the upper part of the push rod through hole. When the turnover push rod 7 continues to push under the action of the turnover cylinder 1, the elbow is turned over from the radial direction downward to the radial side obliquely downward. Then, under the action of gravity, the elbow slides from the radial side upward and away from the inclined edge of the stopper rod 3, and finally falls on the sorting track 8, thereby realizing the turnover.

[0032] The block 3 can also be in the shape of a rod, the lower part of the block 3 is connected with the output end of the block cylinder 2, and the top part is provided with a forward protrusion; after the block 3 is lifted by the block cylinder 2, the protrusion can be inserted into the pipe of the elbow, and the rear end of the lower pipe wall of the elbow is abutted.

[0033] Referring to Figures 1-3 The identification assembly comprises a first sensor 11, a second sensor 10 and a third sensor 9. The first sensor 11, the second sensor 10 and the third sensor 9 are switch sensors, which are arranged in sequence at the bottom of the sorting track 8 in front of the turnover cylinder 1, and the horizontal distance between adjacent sensors is half of the horizontal length of the elbow. In this way, when the elbow 6 with the radial downward rib passes, the first sensor 11, the second sensor 10 and the third sensor 9 can detect the elbow in sequence; when the elbow 5 with the radial upward rib passes, the first sensor 11 and the third sensor 9 can detect the elbow at the same time, because the inner side of the elbow is recessed, the second sensor 10 cannot detect the elbow.

[0034] Therefore, the signal change of the sensor can be obtained according to the different directions of the rib of the elbow.

[0035] (1) If the change of the detection signal is as follows, the rib direction of the elbow is upward;

[0036] ① Firstly, the first sensor 11 detects the signal, and other sensors have no signal;

[0037] ② Secondly, the first sensor 11 and the third sensor 9 detect the signal, and the second sensor 10 has no signal;

[0038] ③ Finally, the third sensor 9 detects the signal, and other sensors have no signal

[0039] (2) If the change of the detection signal is as follows, the rib direction of the elbow is upward;

[0040] ① Firstly, the first sensor 11 detects the signal, and other sensors have no signal;

[0041] ⑤ Secondly, the second sensor 10 detects the signal, and other sensors have no signal;

[0042] ⑥ Finally, the third sensor 9 detects the signal, and other sensors have no signal.

[0043] The working process of the present application is as follows:

[0044] (A) The sorting track 8 transports the elbow to the identification assembly position, and identifies the posture of the elbow; the first sensor 11, the second sensor 10 and the third sensor 9 detect the elbow respectively, and collect the detection signals for judgment;

[0045] ① If the rib of the elbow is downward in the radial direction, the operation (B) is performed;

[0046] ② If the rib of the elbow is upward in the radial direction, the operation (C) is performed;

[0047] (B) The turning cylinder 1 works to control the turning push rod 7 to abut against the rib side of the elbow, the stopper cylinder 2 controls the stopper rod 3 to abut against the rear end of the elbow, then the turning cylinder 1 controls the turning push rod 7 to continue rising, so that the elbow is turned over. Then the operation (C) is performed;

[0048] (C) The sequencing track 8 continues to transport the elbow rearward.

Claims

1. A elbow tapping machine feeding device, characterized in that: The utility model provides a sorting track (8), a turnover assembly and an identification assembly, the identification assembly is located on the sorting track (8), the turnover assembly includes a stopper rod (3), a stopper cylinder (2), a turnover push rod (7) and a turnover cylinder (1), the turnover cylinder (1) is located on one side of the sorting track (8), and the output end is connected with the turnover push rod (7), the turnover push rod (7) is circular arc, and is located below the sorting track (8), the sorting track (8) is provided with the through -hole that can contain the turnover push rod (7) and pass upwards, the stopper cylinder (2) is located below the sorting track (8), and the output end is connected with the stopper rod (3) upwards, the stopper rod (3) is vertically arranged, and is located in the delivery rear end of the turnover push rod (7), the sorting track (8) is provided with the through -hole that can contain the stopper rod (3) and pass, the upper portion of the stopper rod (3) is the inclined edge that is inclined to the forward upper side, the front of the stopper rod (3) is inclined downward, the top angle of the stopper rod (3) is provided with the protrusion that extends to the forward direction, the identification assembly includes a first sensor (11), a second sensor (10) and a third sensor (9), the first sensor (11), the second sensor (10) and the third sensor (9) are all switch type sensors, are sequentially arranged in the bottom of the sorting track (8) before the turnover cylinder (1), and the horizontal distance of adjacent sensors is half of the horizontal length of the elbow.

2. The elbow tapping machine feeding device according to claim 1, characterized in that: The sorting track (8) is V-shaped strip track, and turnover anti-deviation plates (4) are additionally arranged on both sides of the sorting track (8) at the position of the turnover assembly.

3. A method for feeding a bending head tapping machine, using the feeding device of the bending head tapping machine according to claim 1 or 2; characterized in that; The method steps are: (A) the sorting track (8) transports the elbow to the identification assembly position, and posture identification is carried out, corresponding operations are executed according to the identification result, if the muscle diameter of the elbow is downward, (B) operation is executed, if the muscle diameter of the elbow is upward, (C) operation is executed; (B) the turnover cylinder (1) controls the turnover push rod (7) to be upward and resist the muscle diameter side of the elbow, the stopper cylinder (2) controls the stopper rod (3) to resist the rear end of the elbow, then the turnover cylinder (1) controls the turnover push rod (7) to rotate, so that the elbow is turned over to the muscle diameter upward state, then (C) operation is executed; (C) the sorting track (8) continues to transport the elbow rearward.

4. The elbow tapping machine feeding method according to claim 3, characterized in that: The posture identification process in the step (A) is: ① if the signal change of the sensor is as follows, the muscle diameter of the elbow is identified to be upward; First, the first sensor (11) detects the signal, and other sensors have no signal; Then, the first sensor (11) and the third sensor (9) detect the signal, and the second sensor (10) has no signal; Finally, the third sensor (9) detects the signal, and other sensors have no signal; ② if the signal change of the sensor is as follows, the muscle diameter of the elbow is identified to be downward; First, the first sensor (11) detects the signal, and other sensors have no signal; Then, the second sensor (10) detects the signal, and other sensors have no signal; Finally, the third sensor (9) detects the signal, and other sensors have no signal.

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