Automatic press-fitting detection equipment for piston of automobile powder metallurgical product

Abstract

The utility model discloses automobile powder metallurgical product piston press fitting detection automation equipment which comprises an equipment body, and a feeding assembly is installed at the left end of the equipment body. The feeding assembly comprises a front-face workpiece feeding conveying line, a front-face workpiece feeding mechanical arm is installed at the right end of the front-face workpiece feeding conveying line, a back-face workpiece feeding conveying line is installed below the front-face workpiece feeding conveying line, and a workpiece turning-over mechanism is installed at the right end of the back-face workpiece feeding conveying line. A workpiece round belt conveying line is installed at the right end of the workpiece turn-over mechanism, and a pressing assembly is installed on the right side of the reverse face workpiece feeding mechanical arm. The problems that according to an existing production mode, piston workpieces are mainly pressed on a manual feeding hydraulic press, the workpieces are manually taken from a die of the hydraulic press after being pressed, and the workpieces are placed in a plate, so that benefits are low, and the production cost is increased are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of piston press-fitting, and specifically, to an automatic detection device for piston press-fitting of automotive powder metallurgy products. Background Art

[0002] With the development of equipment manufacturing technology, especially in the powder metallurgy industry, with the rapid progress of technology, the increase of labor cost and automation degree, in order to liberate the labor force to the greatest extent, improve production efficiency and product quality, an automatic feeding device is used to replace manual labor to achieve efficient, high-quality and flexible on-site manual press-fitting of pistons and replace it with a servo dividing detection type automatic press-fitting piston.

[0003] Currently, the existing production method mainly presses the piston workpiece into the hydraulic press by manual feeding. After pressing, the workpiece is taken from the hydraulic press mold manually and placed in a tray for placement, resulting in low efficiency and increased production cost.

[0004] To solve the above problems, an automatic detection device for piston press-fitting of automotive powder metallurgy products is proposed in this application. Content of the Utility Model

[0005] Aiming at the problems in the related technology, the utility model provides an automatic detection device for piston press-fitting of automotive powder metallurgy products, which can realize automatic production, improve efficiency and reduce production cost.

[0006] Therefore, the specific technical solution adopted by the utility model is as follows:

[0007] An automatic detection device for piston press-fitting of automotive powder metallurgy products, including a device main body, a feeding component, a press-fitting component and a blanking component. The feeding component is installed at the left end of the device main body;

[0008] The feeding component includes a front workpiece feeding conveyor line. A front workpiece loading manipulator is installed at the right end of the front workpiece feeding conveyor line. A reverse workpiece feeding conveyor line is installed below the front workpiece feeding conveyor line. A workpiece turning mechanism is installed at the right end of the reverse workpiece feeding conveyor line. A workpiece circular belt conveyor line is installed at the right end of the workpiece turning mechanism. A reverse workpiece loading manipulator is installed at the right end of the workpiece circular belt conveyor line. The press-fitting component is installed on the right side of the reverse workpiece loading manipulator;

[0009] The press-fitting component includes a rotary dividing mechanism. A workpiece press-fitting tooling is installed on the rotary dividing mechanism. A 0.5T pneumatic press is installed above one side of the rotary dividing mechanism. A 10T servo press is installed on the right side of the 0.5T pneumatic press. A CCD camera detection mechanism is installed on one side of the 10T servo press. The blanking component is installed on the other side of the CCD camera detection mechanism;

[0010] The blanking component includes a finished product discharging conveyor line, which is installed on the other side of the CCD camera detection mechanism, and a finished product workpiece blanking manipulator is installed at the left end of the finished product discharging conveyor line.

[0011] As a further solution of the present invention, the front workpiece loading manipulator includes a rotating motor, a fixed base is installed behind the rotating motor, a support rod is installed on the fixed base, a picking motor is installed on the support rod, a control solenoid valve is installed at the top of the support rod, an NG rejection device is installed above the rotating motor, a loading gripper is installed above the NG rejection device, a workpiece pre-pressing cylinder is installed above the loading gripper, the NG rejection device is used in cooperation with an NG chute, and the NG chute is located between the two support rods. A photographing camera is installed on the NG rejection device, a workpiece blocking structure is installed on one side of the photographing camera, and the front workpiece loading manipulator has the same structure as the reverse workpiece loading manipulator.

[0012] As a further solution of the present invention, the workpiece turning mechanism includes a fixed seat, a workpiece clamping jaw cylinder is installed on the fixed seat, and a second workpiece clamping jaw is installed on the workpiece clamping jaw cylinder.

[0013] As a further solution of the present invention, the workpiece circular belt conveyor line includes a support bracket, a first motor is installed on the support bracket, the output end of the first motor is drivingly connected to a conveying circular belt, and a loading induction sensor and an end point induction sensor are respectively installed at both ends of the support bracket.

[0014] As a further solution of the present invention, the workpiece pressing and fitting tooling includes a fixed base plate, a lifting handle is installed on the fixed base plate, a demolding core is penetrated through the middle of the fixed base plate, a spring is installed on the demolding core, and the spring is located in the mold cavity above the fixed base plate. A guide bushing is installed at the upper end of the mold base, a pressing plate is installed at the upper end of the guide bushing, a workpiece lower punching head is penetrated through the middle of the pressing plate, a first workpiece is installed on the workpiece lower punching head, and a first guide shaft is installed at the bottom end of the fixed base plate.

[0015] As a further solution of the present invention, the 0.5T pneumatic press includes a fixed body, a first cylinder is installed at the upper end of the fixed body, a first pressure sensor is connected to the bottom end of the first cylinder, an anti-misoperation sensor is installed at the bottom end of the first pressure sensor, a workpiece upper punching head is installed at the bottom end of the anti-misoperation sensor, and a lower punching hard limit device is installed on the bottom wall of the fixed body.

[0016] As a further solution of the utility model, the 10T servo press includes a fuselage main body, a servo electric cylinder is installed at the upper end of the fuselage main body, a high-precision scale is installed on one side of the servo electric cylinder, the output end of the servo electric cylinder passes through a floating device, a second pressure sensor is installed at the bottom end of the servo electric cylinder, a 10T upper punch head is installed at the bottom end of the second pressure sensor, and a lower punch hard limit structure is installed on the bottom wall of the fuselage main body.

[0017] As a further solution of the utility model, the finished product discharging conveyor line includes a fixed plate, a belt bracket is installed between the two fixed plates, a conveyor belt is installed at the left end of the belt bracket, a drive motor is installed at the right end of the belt bracket, an NGOK material dividing mechanism is installed on the right side of the conveyor belt, and a full material sensor is installed on the right side of the NGOK material dividing mechanism.

[0018] As a further solution of the utility model, the finished workpiece unloading robot includes a fixed base, a support column is installed on the fixed base, a finished workpiece clamp is installed on the support column, a PPU cam robot is installed above the finished workpiece clamp, and the PPU cam robot is transmission-connected to the PPU motor.

[0019] The beneficial effects of the utility model are:

[0020] The utility model can realize automated production by cooperating with the equipment main body, feeding assembly, pressing assembly and unloading assembly. At the same time, the automated manipulator has the advantages of high flexibility, high efficiency and high quality, so that the equipment can choose to change different clamps and switch different programs according to products of different sizes when in use. Moreover, the manipulator can control the rhythm instead of manual labor to avoid reducing work efficiency due to human factors. The utilization rate of the servo press can be increased by more than 50%. At the same time, the manipulator control system standardizes the entire workpiece processing process, thereby avoiding manual misoperation, ensuring product quality, improving benefits and reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of the overall structure of an automated equipment for press-fitting detection of automobile powder metallurgy products pistons according to an embodiment of the utility model;

[0023] Figure 2It is a front view structural schematic diagram of an automatic device for piston press-fitting detection of automotive powder metallurgy products according to an embodiment of the present invention;

[0024] Figure 3 It is a top view structural schematic diagram of an automatic device for piston press-fitting detection of automotive powder metallurgy products according to an embodiment of the present invention;

[0025] Figure 4 It is an overall structural schematic diagram of a front workpiece loading manipulator of an automatic device for piston press-fitting detection of automotive powder metallurgy products according to an embodiment of the present invention;

[0026] Figure 5 It is a left view structural schematic diagram of a front workpiece loading manipulator of an automatic device for piston press-fitting detection of automotive powder metallurgy products according to an embodiment of the present invention;

[0027] Figure 6 It is a schematic diagram of a workpiece turning mechanism of an automatic device for piston press-fitting detection of automotive powder metallurgy products according to an embodiment of the present invention;

[0028] Figure 7 It is a schematic diagram of a workpiece circular belt conveyor line of an automatic device for piston press-fitting detection of automotive powder metallurgy products according to an embodiment of the present invention;

[0029] Figure 8 It is an overall structural schematic diagram of a workpiece press-fitting tooling of an automatic device for piston press-fitting detection of automotive powder metallurgy products according to an embodiment of the present invention;

[0030] Figure 9 It is a partial sectional structural schematic diagram of a workpiece press-fitting tooling of an automatic device for piston press-fitting detection of automotive powder metallurgy products according to an embodiment of the present invention;

[0031] Figure 10 It is a left view structural schematic diagram of a workpiece press-fitting tooling of an automatic device for piston press-fitting detection of automotive powder metallurgy products according to an embodiment of the present invention;

[0032] Figure 11 It is an overall structural schematic diagram of a 0.5T pneumatic press of an automatic device for piston press-fitting detection of automotive powder metallurgy products according to an embodiment of the present invention;

[0033] Figure 12 It is a sectional structural schematic diagram of a 0.5T pneumatic press of an automatic device for piston press-fitting detection of automotive powder metallurgy products according to an embodiment of the present invention;

[0034] Figure 13It is a schematic diagram of the overall structure of a 10T servo press of an automatic equipment for piston press-fitting detection of automotive powder metallurgy products according to an embodiment of the present utility model;

[0035] Figure 14 It is a schematic diagram of the sectional structure of a 10T servo press of an automatic equipment for piston press-fitting detection of automotive powder metallurgy products according to an embodiment of the present utility model;

[0036] Figure 15 It is a schematic diagram of the structure of the finished product discharging conveyor line of an automatic equipment for piston press-fitting detection of automotive powder metallurgy products according to an embodiment of the present utility model;

[0037] Figure 16 It is a schematic diagram of the structure of the finished product workpiece unloading manipulator of an automatic equipment for piston press-fitting detection of automotive powder metallurgy products according to an embodiment of the present utility model.

[0038] In the figure:

[0039] 1. Equipment main body; 2. Loading component; 3. Pressing component; 4. Unloading component; 5. Front workpiece feeding conveyor line; 6. Front workpiece loading manipulator; 61. Rotating motor; 62. Fixed base; 63. Support rod; 64. Pick-up motor; 65. Control solenoid valve; 66. NG rejection device; 67. Loading gripper; 68. Workpiece pre-pressing cylinder; 69. NG chute; 610. Photographing camera; 611. Workpiece blocking structure; 7. Reverse workpiece feeding conveyor line; 8. Workpiece turning mechanism; 81. Fixed seat; 82. Workpiece gripper cylinder; 83. Second workpiece gripper; 9. Workpiece circular belt conveyor line; 91. Support bracket; 92. First motor; 93. Conveyor circular belt; 94. Loading induction sensor; 95. Endpoint induction sensor; 10. Reverse workpiece loading manipulator; 11. Rotary indexing mechanism; 12. Workpiece pressing and mounting tooling; 121. Fixed base plate; 122. Lifting handle; 123. Demolding core puller; 124. Spring; 125. Die holder; 126. Guide bushing; 127. Pressure plate; 128. Workpiece lower punching head; 129. First workpiece; 1210. First guide shaft; 13. 0.5T pneumatic press; 131. Fixed body; 132. First cylinder; 133. First pressure sensor; 134. Anti-misoperation sensor; 135. Workpiece upper punching head; 136. Lower punch hard limit device; 14. 10T servo press; 141. Body main body; 142. Servo cylinder; 143. High-precision scale; 144. Floating device; 145. Second pressure sensor; 146. 10T upper punching head; 147. Lower punch hard limit structure; 15. CCD camera detection mechanism; 16. Finished product discharging conveyor line; 161. Fixed plate; 162. Belt support; 163. Conveyor loop belt; 164. Driving motor; 165. NGOK sorting mechanism; 166. Full material sensor; 17. Finished product workpiece unloading manipulator; 171. Fixed base; 172. Support column; 173. Finished product workpiece gripper; 174. PPU cam manipulator; 175. PPU motor. Detailed implementation manners

[0040] To further illustrate each embodiment, the present invention provides accompanying drawings. These drawings are part of the disclosure of the present invention, mainly used to illustrate the embodiments, and can be combined with the relevant descriptions in the specification to explain the operation principle of the embodiments. With reference to these contents, those of ordinary skill in the art should be able to understand other possible implementation manners and the advantages of the present invention. The components in the drawings are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0041] According to an embodiment of the present invention, an automated equipment for piston pressing and detection of automotive powder metallurgy products is provided.

[0042] Please refer to the attached drawings of the specification Figure 1-16, an automatic detection and pressing equipment for automotive powder metallurgy pistons according to an embodiment of the present invention, includes an equipment main body 1, a feeding assembly 2, a pressing assembly 3 and a discharging assembly 4. The feeding assembly 2 is installed at the left end of the equipment main body 1; the feeding assembly 2 includes a front workpiece feeding conveyor line 5, a front workpiece loading manipulator 6 is installed at the right end of the front workpiece feeding conveyor line 5, a reverse workpiece feeding conveyor line 7 is installed below the front workpiece feeding conveyor line 5, a workpiece turning mechanism 8 is installed at the right end of the reverse workpiece feeding conveyor line 7, a workpiece circular belt conveyor line 9 is installed at the right end of the workpiece turning mechanism 8, a reverse workpiece loading manipulator 10 is installed at the right end of the workpiece circular belt conveyor line 9, and a pressing assembly 3 is installed on the right side of the reverse workpiece loading manipulator 10; the pressing assembly 3 includes a rotary indexing mechanism 11, a workpiece pressing fixture 12 is installed on the rotary indexing mechanism 11, a 0.5T pneumatic press 13 is installed above one side of the rotary indexing mechanism 11, a 10T servo press 14 is installed on the right side of the 0.5T pneumatic press 13, a CCD camera inspection mechanism 15 is installed on one side of the 10T servo press 14, and a discharging assembly 4 is installed on the other side of the CCD camera inspection mechanism 15; the discharging assembly 4 includes a finished product discharging conveyor line 16, the finished product discharging conveyor line 16 is installed on the other side of the CCD camera inspection mechanism 15, and a finished product workpiece unloading manipulator 17 is installed at the left end of the finished product discharging conveyor line 16. By setting the equipment main body 1, the feeding assembly 2, the pressing assembly 3 and the discharging assembly 4 to work together, automatic production can be achieved. At the same time, the automatic manipulator has the advantages of high flexibility, high efficiency and high quality. Therefore, when using this equipment, different grippers can be selected and different programs can be switched according to products of different sizes. Moreover, the manipulator can replace manual labor to control the rhythm, avoiding the reduction of work efficiency caused by human factors. The utilization rate of the servo press can be increased by more than 50%. At the same time, the manipulator control system standardizes the whole process of workpiece processing, thereby avoiding manual misoperation, ensuring the quality of products, improving efficiency and reducing production costs.

[0043] In one embodiment, please refer to the accompanying drawings of the specification Figure 1 、 Figure 3 and Figure 4-7, as a further solution of the present utility model, the front workpiece loading manipulator 6 includes a rotary motor 61, a fixed base 62 is installed behind the rotary motor 61, a support rod 63 is installed on the fixed base 62, a pick-up motor 64 is installed on the support rod 63, a control solenoid valve 65 is installed at the top of the support rod 63, an NG rejection device 66 is installed above the rotary motor 61, a loading gripper 67 is installed above the NG rejection device 66, a workpiece pre-pressing cylinder 68 is installed above the loading gripper 67, the NG rejection device 66 is used in cooperation with an NG chute 69, and the NG chute 69 is located between the two support rods 63. A photographing camera 610 is installed on the NG rejection device 66, and a workpiece blocking structure 611 is installed on one side of the photographing camera 610. The front workpiece loading manipulator 6 has the same structure as the reverse workpiece loading manipulator 10. The workpiece turning mechanism 8 includes a fixed seat 81, a workpiece gripper cylinder 82 is installed on the fixed seat 81, a second workpiece gripper 83 is installed on the workpiece gripper cylinder 82. The workpiece circular belt conveyor 9 includes a support bracket 91, a first motor 92 is installed on the support bracket 91, the output end of the first motor 92 is drivingly connected to a conveyor circular belt 93, and a loading induction sensor 94 and an end induction sensor 95 are respectively installed at both ends of the support bracket 91. The provided front workpiece loading manipulator 6 can place the products on the front workpiece feeding conveyor 5 onto the workpiece pressing and mounting tooling 12. The provided workpiece turning mechanism can turn the products on the reverse workpiece feeding conveyor 7, and the provided workpiece circular belt conveyor 9 can send the turned products to the reverse workpiece loading manipulator 10.

[0044] In one embodiment, please refer to the accompanying drawings of the specification Figure 3 and 8-14. As a further solution of the present utility model, the workpiece pressing tooling 12 includes a fixed base plate 121, on which a lifting handle 122 is installed. A demolding core puller 123 penetrates through the middle of the fixed base plate 121. A spring 124 is installed on the demolding core puller 123, and the spring 124 is located in the inner cavity of a mold base 125 above the fixed base plate 121. A guide bushing 126 is installed at the upper end of the mold base 125, and a pressing plate 127 is installed at the upper end of the guide bushing 126. A workpiece lower punching head 128 penetrates through the middle of the pressing plate 127. A first workpiece 129 is installed on the workpiece lower punching head 128. A first guide shaft 1210 is installed at the bottom end of the fixed base plate 121. The 0.5T pneumatic press 13 includes a fixed body 131, on which a first cylinder 132 is installed at the upper end. A first pressure sensor 133 is connected to the bottom end of the first cylinder 132. An anti-misalignment sensor 134 is installed at the bottom end of the first pressure sensor 133. A workpiece upper punching head 135 is installed at the bottom end of the anti-misalignment sensor 134. A lower punching hard limit device 136 is installed on the bottom wall of the fixed body 131. The 10T servo press 14 includes a body main body 141, on which a servo electric cylinder 142 is installed at the upper end. A high-precision scale 143 is installed on one side of the servo electric cylinder 142. The output end of the servo electric cylinder 142 passes through a floating device 144. A second pressure sensor 145 is installed at the bottom end of the servo electric cylinder 142. A 10T upper punching head 146 is installed at the bottom end of the second pressure sensor 145. A lower punching hard limit structure 147 is installed on the bottom wall of the body main body 141. During use, the product on the workpiece pressing tooling 12 moves to the 0.5T pneumatic press 13 under the drive of the rotary indexing mechanism 11 for pre-pressing operation. After completion, it moves to the 10T servo press 14 under the drive of the rotary indexing mechanism 11 to complete the pressing operation.

[0045] In one embodiment, please refer to the accompanying drawings of the specification Figure 1 , Figure 2 , Figure 3 , Figure 15 and Figure 16As a further solution of the utility model, the finished product discharging conveyor line 16 includes a fixed plate 161, a belt bracket 162 is installed between the two fixed plates 161, a conveying ring belt 163 is installed at the left end of the belt bracket 162, a driving motor 164 is installed at the right end of the belt bracket 162, an NGOK material dividing mechanism 165 is installed on the right side of the conveying ring belt 163, and a full material sensor 166 is installed on the right side of the NGOK material dividing mechanism 165. The finished workpiece unloading manipulator 17 includes a fixed base 171, a support column 172 is installed on the fixed base 171, a finished workpiece clamp 173 is installed on the support column 172, a PPU cam manipulator 174 is installed above the finished workpiece clamp 173, and the PPU cam manipulator 174 is transmission-connected to the PPU motor 175. When in use, the pressed product is driven by the rotating dividing mechanism 11 to reach the finished workpiece unloading robot 17, and then the finished workpiece unloading robot 17 takes the pressed product after inspection and places it on the finished product unloading conveyor line 16.

[0046] Working process: When in use, the front product is manually placed into the front workpiece feeding conveyor line 5, and then the front product follows the front workpiece feeding conveyor line 5 to the predetermined position, and then the front workpiece loading robot 6 grabs the front product and places it on the workpiece pressing tooling 12. During this process, the back product is manually placed into the back workpiece feeding conveyor line 7, and then the back product follows the back workpiece feeding conveyor line 7 to the workpiece turning mechanism 8, and then the workpiece turning mechanism 8 turns the back product over, and then the turned product enters the workpiece round belt conveyor line 9, and then driven by the workpiece round belt conveyor line 9, the turned product arrives at the predetermined position, and then the back workpiece loading robot 10 turns the turned product over. The product is grabbed and placed on the workpiece pressing tool 12, and then driven by the rotating dividing mechanism 11, the product on the workpiece pressing tool 12 enters the 0.5T pneumatic press 13 for pre-pressing operation. After completion, it moves to the 10T servo press 14 driven by the rotating dividing mechanism 11 to complete the pressing operation, and then the pressed product continues to move to the CCD camera detection mechanism 15 driven by the rotating dividing mechanism 11 to complete the detection operation, and then the product after the detection continues to move to the bottom of the finished workpiece unloading robot 17 driven by the rotating dividing mechanism 11, and then the finished workpiece unloading robot 17 grabs the product and places it on the finished product discharge conveyor line 16.

[0047] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automated equipment for testing piston press-fitting of automobile powder metallurgy products, comprising an equipment body (1), a loading assembly (2), a pressing assembly (3) and a unloading assembly (4), characterized in that: A loading assembly (2) is installed at the left end of the equipment body (1); The loading assembly (2) comprises a front workpiece feeding conveyor line (5), a front workpiece feeding robot (6) is installed at the right end of the front workpiece feeding conveyor line (5), a back workpiece feeding conveyor line (7) is installed below the front workpiece feeding conveyor line (5), a workpiece turning mechanism (8) is installed at the right end of the back workpiece feeding conveyor line (7), a workpiece round belt conveyor line (9) is installed at the right end of the workpiece turning mechanism (8), a back workpiece feeding robot (10) is installed at the right end of the workpiece round belt conveyor line (9), and a pressing assembly (3) is installed on the right side of the back workpiece feeding robot (10); The pressing assembly (3) comprises a rotating splitting mechanism (11), a workpiece pressing tool (12) is installed on the rotating splitting mechanism (11), a 0.5T pneumatic press (13) is installed above one side of the rotating splitting mechanism (11), a 10T servo press (14) is installed on the right side of the 0.5T pneumatic press (13), a CCD camera detection mechanism (15) is installed on one side of the 10T servo press (14), and a blanking assembly (4) is installed on the other side of the CCD camera detection mechanism (15); The unloading assembly (4) comprises a finished product unloading conveyor line (16), the finished product unloading conveyor line (16) being installed on the other side of the CCD camera detection mechanism (15), and a finished product workpiece unloading manipulator (17) being installed at the left end of the finished product unloading conveyor line (16).

2. The automatic equipment for press-fitting detection of automobile powder metallurgy products piston according to claim 1, characterized in that: The front workpiece loading robot (6) comprises a rotating motor (61), a fixed base (62) is installed behind the rotating motor (61), a support rod (63) is installed on the fixed base (62), a material picking motor (64) is installed on the support rod (63), a control solenoid valve (65) is installed at the top of the support rod (63), an NG rejection device (66) is installed above the rotating motor (61), and a loading clamp (64) is installed above the NG rejection device (66). 7), a workpiece pre-compression cylinder (68) is installed above the feeding clamp (67), the NG rejection device (66) is used in conjunction with an NG slide (69), and the NG slide (69) is located between the two support rods (63), a camera (610) is installed on the NG rejection device (66), and a workpiece blocking structure (611) is installed on one side of the camera (610), and the front workpiece feeding robot (6) and the back workpiece feeding robot (10) have the same structure.

3. The automatic equipment for testing piston press-fitting of automobile powder metallurgy products according to claim 1 is characterized by: The workpiece turning mechanism (8) comprises a fixed seat (81), a workpiece clamping jaw cylinder (82) is mounted on the fixed seat (81), and a second workpiece clamping jaw (83) is mounted on the workpiece clamping jaw cylinder (82).

4. The automatic equipment for testing piston press-fitting of automobile powder metallurgy products according to claim 1 is characterized by: The workpiece round belt conveyor line (9) comprises a support bracket (91), a first motor (92) is mounted on the support bracket (91), an output end of the first motor (92) is drivingly connected to a conveyor round belt (93), and a loading induction sensor (94) and an end point induction sensor (95) are respectively mounted at both ends of the support bracket (91).

5. The automatic equipment for press-fitting detection of automobile powder metallurgy products piston according to claim 1, characterized in that: The workpiece pressing tool (12) comprises a fixed base plate (121), a lifting handle (122) is installed on the fixed base plate (121), a demoulding core (123) is passed through the middle of the fixed base plate (121), a spring (124) is installed on the demoulding core (123), and the spring (124) is located in the inner cavity of a die base (125) at the upper part of the fixed base plate (121), a guide shaft sleeve (126) is installed at the upper end of the die base (125), a pressing plate (127) is installed at the upper end of the guide shaft sleeve (126), a workpiece lower punch head (128) is passed through the middle of the pressing plate (127), a first workpiece (129) is installed on the workpiece lower punch head (128), and a first guide shaft (1210) is installed at the bottom end of the fixed base plate (121).

6. The automatic equipment for press-fitting detection of automobile powder metallurgy products piston according to claim 1, characterized in that: The 0.5T pneumatic press (13) comprises a fixed body (131), a first cylinder (132) is mounted on the upper end of the fixed body (131), a first pressure sensor (133) is connected to the bottom end of the first cylinder (132), an error-proofing sensor (134) is mounted on the bottom end of the first pressure sensor (133), a workpiece upper punch head (135) is mounted on the bottom end of the error-proofing sensor (134), and a lower punch hard limit device (136) is mounted on the bottom wall of the fixed body (131).

7. The automatic equipment for press-fitting detection of automobile powder metallurgy products piston according to claim 1 is characterized by: The 10T servo press (14) comprises a body (141), a servo electric cylinder (142) is mounted on the upper end of the body (141), a high-precision scale (143) is mounted on one side of the servo electric cylinder (142), an output end of the servo electric cylinder (142) passes through a floating device (144), a second pressure sensor (145) is mounted on the bottom end of the servo electric cylinder (142), a 10T upper punch head (146) is mounted on the bottom end of the second pressure sensor (145), and a lower punch hard limit structure (147) is mounted on the bottom wall of the body (141).

8. The automatic equipment for press-fitting detection of automobile powder metallurgy products piston according to claim 1, characterized in that: The finished product discharging conveyor line (16) comprises a fixed plate (161), a belt bracket (162) is installed between the two fixed plates (161), a conveying belt (163) is installed at the left end of the belt bracket (162), a driving motor (164) is installed at the right end of the belt bracket (162), an NGOK material distribution mechanism (165) is installed on the right side of the conveying belt (163), and a full material sensor (166) is installed on the right side of the NGOK material distribution mechanism (165).

9. The automatic equipment for press-fitting detection of automobile powder metallurgy products piston according to claim 1, characterized in that: The finished workpiece unloading robot (17) comprises a fixed base (171), a support column (172) is mounted on the fixed base (171), a finished workpiece clamp (173) is mounted on the support column (172), a PPU cam robot (174) is mounted above the finished workpiece clamp (173), and the PPU cam robot (174) is transmission-connected to a PPU motor (175).

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