Automatic packaging machine and operation method thereof

Abstract

The invention discloses an automatic packaging machine and an operation method thereof, and belongs to the technical field of packaging machines, the automatic packaging machine comprises a supporting frame and a testing structure installed on the supporting frame, and the testing structure is used for detecting the acting force of a spring, the overload acting force and the spring extension length during overload; the recovery assembly is installed on the supporting frame and used for recovering a first test piece used for testing the spring; the pushing piece and the recycling box are installed on the supporting frame, and the pushing piece is used for pushing the second test piece with the extension length when the test spring is overloaded into the recycling box. The device can realize two purposes of one device, can be used for testing the percent of pass of the spring, including thrust, overload thrust and the elongation length of the spring during overload, and can also be used for collecting workpieces with qualified weight and removing unqualified products.

Description

Technical Field

[0001] The invention belongs to the technical field of packaging machines, and in particular relates to an automatic packaging machine and an operating method thereof. Background Art

[0002] A spring is a mechanical part that uses elasticity to work. Parts made of elastic material deform under the action of external force and return to their original shape after the external force is removed.

[0003] Chinese patent publication number CN207197795U discloses a spring force detection fixture and a spring force detector. The fixture includes a support plate, a positioning shaft is provided in the support plate, and a fixing groove is provided between the positioning shaft and the side wall of the support plate; three through holes connected to the fixing groove are provided on the side wall of the support plate; the axis of each through hole is located on the same horizontal plane, and a first positioning pin, a second positioning pin, and a third positioning pin are sequentially provided in the through holes; the first positioning pin, the second positioning pin, and the third positioning pin are all movable; a limit pin is provided on the third positioning pin, and the fixture also includes a locking mechanism for locking the first positioning pin and the second positioning pin on the support plate respectively.

[0004] However, the prior art generally detects the spring force of the spring, but does not detect the state of the spring after the overload force is applied to the spring, that is, the stretched length of the spring when overloaded. The detection can enhance the understanding of the performance of the spring and can be applied to actual work. Summary of the invention

[0005] In view of the above problems in the prior art, an object of the present invention is to provide an automatic packaging machine and an operating method thereof.

[0006] The present invention provides the following technical solutions: An automatic packaging machine comprises a support frame, a test structure installed on the support frame, the test structure is used to detect the force of a spring, the overload force and the elongation length of the spring when overloaded; a recovery component installed on the support frame, the recovery component is used to recover a test piece 1 used to test the spring; and a pushing member and a recovery box installed on the support frame, the pushing member is used to push a test piece 2 for testing the elongation length of the spring when overloaded into the recovery box.

[0007] Specifically, the test structure includes a push plate movably mounted on a support frame through a linear guide rail and a cylinder, a push block movably mounted on the push plate through a linear guide rail, a moving column is mounted on the push block, a fixed column is mounted on the push plate, two ends of the spring are respectively placed on the moving column and the fixed column, a sensing sheet mounted on the push block, and a photoelectric sensor mounted on the push plate, the distance between the photoelectric sensor and the sensing sheet is equal to b±0.1mm, b=(F1-P1) / k, wherein F1 is the overload force of the spring, P1 is the initial tension of the spring, and k is the spring constant, which is 0.65N / mm.

[0008] Specifically, the pushing member is a pneumatic cylinder, an electric cylinder or an electric lead screw.

[0009] Based on the above device, the present invention also proposes an operating method of using the above automatic packaging machine, comprising the following steps: S1, the staff or the manipulator places the test piece 1 in front of the push block. If the test is qualified, the push block can push the test piece 1 into the recycling component; S2, the staff or robot places the test piece 2 in front of the push block. If the test is qualified, the photoelectric sensor will sense the position of the sensor piece and feedback the signal; S3, turn on the pusher, which pushes the test piece 2 into the recycling box, and then repeats the above steps, and the staff records the data.

[0010] An automatic packaging machine includes a support frame, a test structure installed on the support frame, the test structure is used to detect whether the weight of a workpiece meets the requirements of a standard part; a recovery component installed on the support frame, the recovery component is used to recover qualified workpieces; and a pushing member and a recovery box installed on the support frame, the pushing member is used to push unqualified workpieces into the recovery box.

[0011] Specifically, the test structure includes a push plate movably mounted on a support frame through a linear guide and a cylinder, a push block movably mounted on the push plate through a linear guide, a movable column is mounted on the push block, a fixed column is mounted on the push plate, two ends of the spring are respectively placed on the movable column and the fixed column, an induction sheet is mounted on the push block, and a photoelectric sensor is mounted on the push plate. The distance between the photoelectric sensor and the induction sheet is equal to the stretching length of the spring when overloaded. At this time, the maximum mass m that can be pushed by the spring when overloaded is calculated through F1=mgu. m needs to be greater than the mass of a qualified workpiece, and m needs to be less than the mass of an unqualified workpiece, so as to select a suitable spring.

[0012] Specifically, the recovery component includes a rotating rod movably mounted on the support frame through a motor, the recovery tank is clamped on the rotating rod, the clamping plate is movably mounted on the support frame through a cylinder, the rotating rod is movably mounted on the support frame through a motor, the fixed rod is mounted on the support frame, a contact sensor is installed in the fixed rod, one end of the rotating rod is placed in the fixed rod, and a moving rod is installed at the other end of the rotating rod. At the same time, a guide tube is installed on the fixed rod, and a guide channel and a limit column are installed on the support frame.

[0013] Specifically, the pushing member is a pneumatic cylinder, an electric cylinder or an electric lead screw.

[0014] Based on the above device, the present invention also proposes an operating method of using the above automatic packaging machine, comprising the following steps: S1, first the workpiece is moved to the push block, and cylinder 1 is turned on; S2, the push block pushes the qualified workpiece to fall from the guide channel along the guide pipe into the recovery tank; S3, when the recovery tank is full, the cylinder 2, motor 2 and motor 1 are turned on, and the cylinder 1 is turned off. The motor 1 drives the recovery tank out of the recovery position, and the rotating rod touches the contact sensor to record the number of full tanks; S4, the robot collects the full recovery can and seals it, then puts in the empty recovery can, which is rotated to the recovery position by the motor 1, and finally repeats the above operation.

[0015] Based on the above device, the present invention further proposes an operating method of using the above automatic packaging machine, comprising the following steps: S1, first the workpiece is moved to the push block, and cylinder 1 is turned on; S2, the push block cannot push the unqualified workpiece, so that the photoelectric sensor senses the sensor sheet, transmits a signal, turns on the push piece, and the push piece pushes the unqualified product into the recycling box.

[0016] The beneficial effects of the present invention are: The device can realize two purposes in one device, namely, it can be used to test the qualified rate of springs, including the tests of thrust, overload thrust and the elongation length of the spring when overloaded, and it can also be used to collect workpieces with qualified weight and reject unqualified ones. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings: Figure 1 is a three-dimensional diagram of the present invention; Figure 2 is a three-dimensional diagram of the test structure of the present invention; Figure 3 is a three-dimensional diagram of the recycling component of the present invention; The following are marked in the figure: 1. Recycling component; 2. Test structure; 3. Pusher; 4. Recycling box; 5. Support frame; 101, limit column; 102, motor 1; 103, rotating rod; 104, recovery tank; 105, cylinder 2; 106, rotating rod; 107, moving rod; 108, motor 2; 109, contact sensor; 110, fixed rod; 111, guide tube; 112, guide channel; 113, positioning plate; 201, cylinder one; 202, linear guide one; 203, push plate; 204, fixed column; 205, sensor sheet; 206, photoelectric sensor; 207, moving column; 208, linear guide two; 209, push block. DETAILED DESCRIPTION

[0018] The design of this device can achieve two uses in one device: the first use is to check the pass rate of springs in spring packaging machines, mainly to detect the spring force, overload force and spring elongation length when overloaded; the second use is to use standard springs to collect workpieces with qualified weight.

[0019] Embodiment 1 The first embodiment is used to illustrate the purpose of checking the pass rate of springs in a spring packaging machine.

[0020] like Figure 1 As shown, the present invention provides an automatic packaging machine, including a support frame 5, a test structure 2 installed on the support frame 5, the test structure 2 is used to detect the force of the spring, the overload force and the elongation length of the spring when overloaded; a recovery component 1 installed on the support frame 5, the recovery component 1 is used to recover a test piece 1 used to test the spring; and a pushing member 3 and a recovery box 4 installed on the support frame 5, the pushing member 3 is used to push a test piece 2 for testing the elongation length of the spring when overloaded into the recovery box 4.

[0021] The pusher 3 is a cylinder, an electric cylinder or an electric lead screw.

[0022] After producing a uniform batch of springs, it is necessary to conduct random inspections on the springs. At this time, it is known that the overload force of the spring is F1 and the initial tension of the spring is P1. Then the elongation length of the spring when overloaded is b= (F1-P1) / k, where k is the spring constant, which is 0.65N / mm.

[0023] For details, please refer to Figure 2 The test structure 2 includes a pushing plate 203 movably mounted on the support frame 5 through a linear guide 202 and a cylinder 201, a pushing block 209 movably mounted on the pushing plate 203 through a linear guide 208, a moving column 207 is mounted on the pushing block 209, a fixed column 204 is mounted on the pushing plate 203, two ends of the spring are respectively placed on the moving column 207 and the fixed column 204, a sensing sheet 205 is mounted on the pushing block 209, and a photoelectric sensor 206 is mounted on the pushing plate 203, and the distance between the photoelectric sensor 206 and the sensing sheet 205 is equal to b±0.1mm.

[0024] When performing the force test, the maximum mass m that the spring can push when overloaded is calculated by F1=mgu. The mass of the test piece 1 is less than m. The staff or the manipulator places the test piece 1 in front of the push block 209. If the test is qualified, the push block 209 can push the test piece 1 into the recovery component 1, and test pieces 1 of different masses can be placed in front of the push block 209. By detecting whether the spring can push the test piece 1, it is determined whether the normal force of the spring meets the standard. g is the acceleration of gravity, which is 9.8m / s. 2, u is the friction coefficient, which is taken as 0.5; then an overload test is performed, and the mass of the test piece 2 is greater than m. The staff or the manipulator places the test piece 2 in front of the push block 209. If the test is qualified, the photoelectric sensor 206 will sense the position of the sensor sheet 205 and feedback the signal. The staff will record the qualified data and the unqualified data respectively.

[0025] The photoelectric sensor 206, the cylinder one 201 and the photoelectric sensor 206 are communicatively coupled to the control panel.

[0026] The control panel contains a PLC controller, which can program the numerical control system. The PLC is used as the central control system, and the touch screen is used to realize the program input and operation control of the whole machine, so as to realize the full automation of the transportation process. The control system can be used as a system that connects various actuators to move according to the logical trajectory, and the actuators can be controlled by programming to run according to the required operation steps.

[0027] Based on the above device, the first embodiment of the present invention further proposes an operating method of using the above automatic packaging machine, including the following steps: Step 1: A staff member or a manipulator places the test piece 1 in front of the push block 209. If the test is qualified, the push block 209 can push the test piece 1 into the recycling component 1; Step 2: The staff or robot places the test piece 2 in front of the push block 209. If the test is qualified, the photoelectric sensor 206 will sense the position of the sensor sheet 205 and feedback the signal; Step three, open the push member 3, the push member 3 pushes the test piece 2 into the recycling box 4, and then repeats the above steps, and the staff records the data.

[0028] Embodiment 2 The equipment of the second embodiment is mainly used to collect workpieces of qualified weight using standard springs and to remove unqualified ones.

[0029] like Figure 1 As shown, an automatic packaging machine disclosed in the second embodiment includes a support frame 5, a test structure 2 installed on the support frame 5, the test structure 2 is used to detect whether the weight of the workpiece meets the requirements of the standard parts; a recovery component 1 installed on the support frame 5, the recovery component 1 is used to recover qualified workpieces; and a pushing member 3 and a recovery box 4 installed on the support frame 5, the pushing member 3 is used to push unqualified workpieces into the recovery box 4.

[0030] For details, please refer to Figure 2The test structure 2 includes a push plate 203 movably mounted on the support frame 5 through a linear guide 202 and a cylinder 201, a push block 209 movably mounted on the push plate 203 through a linear guide 208, a movable column 207 is mounted on the push block 209, and a fixed column 204 is mounted on the push plate 203. Both ends of the spring are respectively placed on the movable column 207 and the fixed column 204, a sensing sheet 205 mounted on the push block 209, and a photoelectric sensor 206 mounted on the push plate 203. The distance between the photoelectric sensor 206 and the sensing sheet 205 is equal to the stretching length of the spring when it is overloaded. At this time, the maximum mass m that can be pushed by the spring when it is overloaded is calculated by F1=mgu. m needs to be greater than the mass of the qualified workpiece, and m needs to be less than the mass of the unqualified workpiece, so as to select a suitable spring. At this time, the spring can push the qualified workpiece, but cannot push the unqualified workpiece, and then distinguish the qualified and unqualified products.

[0031] Please focus on Figure 3 The recovery assembly 1 includes a rotating rod 103 movably mounted on the support frame 5 through a motor 102, a recovery tank 104 is engaged with the rotating rod 103, a positioning plate 113 is movably mounted on the support frame 5 through a cylinder 2 105, a rotating rod 106 is movably mounted on the support frame 5 through a motor 2 108, a fixed rod 110 is mounted on the support frame 5, a contact sensor 109 is installed in the fixed rod 110, one end of the rotating rod 106 is placed in the fixed rod 110, and the other end of the rotating rod 106 is placed in the fixed rod 110. A moving rod 107 is installed, and the recovery tank 104 is fixed by the rotating rod 103, the locking plate 113 and the moving rod 107. At the same time, a guide tube 111 is installed on the fixing rod 110, and the guide channel 112 and the limiting column 101 are installed on the support frame 5. When the workpiece moves from the guide channel 112 to the position of the guide tube 111, the limiting column 101 is used to prevent the workpiece from exceeding the position of the guide tube 111 under the guiding action of the guide channel 112, thereby preventing the workpiece from falling out of the recovery tank 104.

[0032] The photoelectric sensor 206, the cylinder 1 201, the photoelectric sensor 206, the contact sensor 109, the cylinder 2 105, the motor 2 108 and the motor 1 102 are communicatively coupled to the control panel.

[0033] Based on the above device, the second embodiment of the present invention further proposes an operation method of using the above automatic packaging machine, including the following steps: Step 1: First, the workpiece is moved to the push block 209, and the cylinder 1 201 is turned on; Step 2: The push block 209 pushes the qualified workpiece from the guide channel 112 along the guide tube 111 to the recovery tank 104, or the push block 209 fails to push the unqualified workpiece, so that the photoelectric sensor 206 senses the sensor sheet 205, transmits a signal, and turns on the push member 3, and the push member 3 pushes the unqualified product into the recovery box 4; Step 3, when the recovery tank 104 is full, the cylinder 2 105, the motor 2 108 and the motor 1 102 are turned on, and the cylinder 1 201 is turned off, the motor 102 drives the recovery tank 104 out of the recovery position, and the rotating rod 106 touches the contact sensor 109 to record the full tank number; Step 4: the robot collects the full recovery tank 104 and caps it, then puts the empty recovery tank 104 in, and rotates it to the recovery position by the motor 102, and finally repeats the above operation.

[0034] The device can achieve two purposes in one device, namely, it can be used to test the qualified rate of springs, including the test of the applied force, overload applied force and the elongation length of the spring when overloaded, and it can also be used to collect workpieces with qualified weight and reject unqualified ones.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. 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. An automatic packaging machine, comprising a support frame, characterized in that: Also included is a test structure mounted on the support frame, the test structure being used to detect the spring force, overload force and spring elongation length when overloaded; A recovery component installed on the support frame, the recovery component is used to recover a test piece 1 used to test the spring; and a pusher and a recovery box installed on the support frame, the pusher is used to push a test piece 2 whose elongation length is extended when the test spring is overloaded into the recovery box.

2. The automatic packaging machine according to claim 1, characterized in that: The test structure includes a push plate movably mounted on a support frame through a linear guide rail and a matching cylinder, a push block movably mounted on the push plate through a linear guide rail, a moving column is mounted on the push block, a fixed column is mounted on the push plate, two ends of the spring are respectively placed on the moving column and the fixed column, a sensing sheet mounted on the push block, and a photoelectric sensor mounted on the push plate, the distance between the photoelectric sensor and the sensing sheet is equal to b±0.1mm, b=(F1-P1) / k, where F1 is the overload force of the spring, P1 is the initial tension of the spring, and k is the spring constant, which is 0.65N / mm.

3. The automatic packaging machine according to claim 1, characterized in that: The driving member is a pneumatic cylinder, an electric cylinder or an electric lead screw.

4. A method for operating an automatic packaging machine according to claim 2, characterized in that: The following steps are involved: S1, the staff or the manipulator places the test piece 1 in front of the push block. If the test is qualified, the push block can push the test piece 1 into the recycling component; S2, the staff or robot places the test piece 2 in front of the push block. If the test is qualified, the photoelectric sensor will sense the position of the sensor piece and feedback the signal; S3, turn on the pusher, which pushes the test piece 2 into the recycling box, and then repeats the above steps, and the staff records the data.

5. An automatic packaging machine, comprising a support frame, characterized in that: It also includes a test structure installed on the support frame, the test structure is used to detect whether the weight of the workpiece meets the requirements of the standard parts; a recovery component installed on the support frame, the recovery component is used to recover qualified workpieces; and a pushing member and a recycling box installed on the supporting frame, wherein the pushing member is used for pushing unqualified workpieces into the recycling box.

6. The automatic packaging machine according to claim 5, characterized in that: The test structure includes a push plate movably mounted on a support frame through a linear guide and a matching cylinder, a push block movably mounted on the push plate through a linear guide, a moving column is mounted on the push block, a fixed column is mounted on the push plate, two ends of the spring are respectively placed on the moving column and the fixed column, an induction sheet mounted on the push block, and a photoelectric sensor mounted on the push plate, the distance between the photoelectric sensor and the induction sheet is equal to the stretching length of the spring when overloaded, at this time, the maximum mass m that can be pushed by the spring when overloaded is calculated through F1=mgu, m needs to be greater than the mass of qualified workpieces, and m needs to be less than the mass of unqualified workpieces, so as to select a suitable spring.

7. An automatic packaging machine according to claim 5 or 6, characterized in that: The recovery component includes a rotating rod movably mounted on the support frame through a motor, the recovery tank is clamped on the rotating rod, the clamping plate is movably mounted on the support frame through a cylinder, the rotating rod is movably mounted on the support frame through a motor, the fixed rod is mounted on the support frame, a contact sensor is installed in the fixed rod, one end of the rotating rod is placed in the fixed rod, and a moving rod is installed at the other end of the rotating rod. At the same time, a guide tube is installed on the fixed rod, and a guide channel and a limit column are installed on the support frame.

8. The automatic packaging machine according to claim 5, characterized in that: The driving member is a pneumatic cylinder, an electric cylinder or an electric lead screw.

9. A method for operating an automatic packaging machine according to claim 7, characterized in that: The following steps are involved: S1, first the workpiece is moved to the push block, and cylinder 1 is turned on; S2, the push block pushes the qualified workpiece to fall from the guide channel along the guide pipe into the recovery tank; S3, when the recovery tank is full, the cylinder 2, motor 2 and motor 1 are turned on, and the cylinder 1 is turned off. The motor 1 drives the recovery tank out of the recovery position, and the rotating rod touches the contact sensor to record the number of full tanks; S4, the robot collects the full recovery can and seals it, then puts in the empty recovery can, which is rotated to the recovery position by the motor 1, and finally repeats the above operation.

10. An operating method of an automatic packaging machine according to claim 7, characterized in that: The following steps are involved: S1, first the workpiece is moved to the push block, and cylinder 1 is turned on; S2, the push block cannot push the unqualified workpiece, so that the photoelectric sensor senses the sensor sheet, transmits a signal, turns on the push piece, and the push piece pushes the unqualified product into the recycling box.

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