A large-size, high-precision automatic cleaning and inspection device for molds

Abstract

This invention relates to a large-size, high-precision mold cleaning and inspection equipment. It automatically cleans, visually inspects, and applies release agent to molds such as mold sleeves, guide sleeves, mold release seats, punches, mold cores, and bases after mold removal. Only one part is cleaned, inspected, and coated with release agent at a time until all parts in contact with the propellant have been cleaned, inspected, and coated with release agent. The equipment is applicable to mold sizes ranging from Φ210mm to Φ500mm. For molds such as sleeves, guide sleeves, ejector bases, punches, and bases, the gantry robot transports the molds to be cleaned to the positioning device of the lower cleaning and inspection device. The conveying device then transports the molds to the corresponding cleaning process for cleaning, visual inspection, and application of release agent. After this process is completed, the conveying device transports the molds to the positioning device of the conveying device, and the gantry robot transports the molds to the next process. For mold cores, the gantry robot transports the mold cores to be cleaned to the positioning device of the mold core cleaning and inspection device for cleaning, visual inspection, and application of release agent. After this process is completed, the gantry robot transports the mold cores to the next process. A mold cleaning and inspection device mainly consists of an upper cleaning and inspection device, a lower cleaning and inspection device, a mold core cleaning and inspection device, a release agent application system, and a water bath dust removal system. The cleaned molds are then dusted by the water bath dust collection system. Advantages include a novel structure, high degree of automation and intelligence, replacement of traditional manual cleaning with cloths or toothbrushes, improved work efficiency, reduced workshop dust concentration, and reduced safety hazards such as explosions.

Description

Technical Field

[0001] This invention relates to an automatic cleaning and inspection device for large-size, high-precision molds. The device is applicable to molds with sizes ranging from Φ210mm to Φ500mm. It is used to automatically clean, visually inspect, and apply release agent to molds such as mold sleeves, guide sleeves, mold release seats, punches, mold cores, and bases after mold removal. Only one part is cleaned, inspected, and coated with release agent at a time until all parts in contact with the propellant have been cleaned, inspected, and coated with release agent, at which point the process ends. Background Technology

[0002] To address the issue that the current mold cleaning and release agent application processes in domestic pharmaceutical manufacturing enterprises are still manually operated, resulting in low production efficiency, dust generation, and potential safety hazards, an automatic mold cleaning and inspection device has been developed. This device features a novel structure, high degree of automation, and wide applicability. It replaces traditional manual operation, enabling automatic cleaning, inspection, and release agent application for multi-size, high-precision molds. This provides technical support for the automation transformation of production lines to achieve "human-machine separation, machine replacement of human, and lights-out factories." Summary of the Invention

[0003] This invention provides an automatic mold cleaning and inspection device. Addressing the challenges of diverse mold types and difficulties in visual inspection within factories, this invention conducts research on the application of automatic mold cleaning and inspection and release agent technology. It solves the problems of low production efficiency, low inherent safety, and poor product quality consistency in most pharmaceutical production lines. The device removes workers from the workplace, reducing the number of operators from 3 to 0, thus ensuring worker safety. The solution uses a pneumatic super air knife instead of traditional rags or toothbrushes for cleaning, saving energy and being more environmentally friendly and safer.

[0004] The technical solution adopted in this invention is as follows: An automatic mold cleaning and inspection device mainly consists of a lower cleaning and inspection device, a mold release agent coating system, an upper cleaning and inspection device, a water bath dust removal system, and a mold core cleaning and inspection device. The upper cleaning and inspection device is fixedly connected to the lower cleaning and inspection device. The mold release agent coating system is connected to the punch detection mold release agent coating device of the lower cleaning and inspection device, the inner ring mold release agent coating device and the base mold release agent coating device of the upper cleaning and inspection device, and the mold core mold release agent coating device of the mold core cleaning and inspection device through pipelines, and provides mold release agent to the nozzle for spraying. The water bath dust removal system is connected to the punch cleaning device and the inner ring cleaning and sealing device of the lower cleaning and inspection device, the base cleaning device of the upper cleaning and inspection device, and the mold core protective cover moving device of the mold core cleaning and inspection device through pipelines, and sucks away the dust generated during the cleaning process.

[0005] The structure of the lower cleaning and detection device consists of a gear and rack assembly, a guide rail slider assembly, a protective cover support frame, a punch cleaning device, an inner ring cleaning and sealing device, and a punch detection and release agent application device, all of which are fixedly connected to the lower frame. The positioning device is fixedly connected to the linear guide rail slider assembly. The lower explosion-proof motor is fixedly connected to the positioning device and drives the positioning device to move on the guide rail slider assembly via the gear and rack assembly. The guide rail protective cover is fixedly connected to the protective cover support frame.

[0006] The structure of the punch cleaning device is as follows: a lifting cylinder is fixedly connected to a fixed plate; the lifting cylinder and the punch cleaning cylinder are fixedly connected to the lifting cylinder connecting plate; the guide rod and the cylinder connecting plate are fixedly connected to the punch cleaning cylinder; the air knife lifting cylinder is fixedly connected to the cylinder connecting plate; the rotating cylinder is fixedly connected to the air knife lifting cylinder; and the air knife assembly is fixedly connected to the rotating cylinder. The rotating cylinder drives the air knife assembly to rotate 180° to clean the bottom surface of the punch.

[0007] The positioning device consists of a slider pad, a positioning guide rail assembly, and a synchronous cylinder assembly, all fixedly connected to a positioning plate. The positioning block is fixedly connected to the slider of the positioning guide rail assembly, and the positioning ball is fixedly connected to the positioning block. The positioning ball, in conjunction with the positioning hole of the mold, enables precise positioning.

[0008] The structure of the punch detection and release agent application device is as follows: the punch gear and rack assembly and the punch guide rail assembly are fixedly connected to the punch detection frame, the punch detection device and the punch release agent application device are fixedly connected to the punch guide rail assembly, and the punch detection device and the punch release agent application device are fixedly connected to two punch explosion-proof motors. The two punch explosion-proof motors drive the punch detection device and the punch release agent application device to move through the punch gear and rack assembly. The punch detection device and the punch release agent application device have the same structure and operating principle.

[0009] The punch detection device consists of a punch lifting cylinder fixedly connected to a punch detection fixing plate, a punch lifting cylinder, a motor fixing plate, and a bearing seat pad fixedly connected to a bearing seat base plate, a detection motor fixedly connected to a motor fixing plate, BF bearing seats and BK bearing seats fixedly connected to a bearing seat pad, a punch detection connecting rod fixedly connected to a punch ball screw nut, a punch vision system fixedly connected to the punch detection connecting rod, and a detection motor driving the punch ball screw to rotate via a punch synchronous belt pulley assembly, thereby driving the punch vision system to move linearly and adjust the detection range.

[0010] The structure of the punch release agent coating device is the same as that of the punch detection device, except that the punch detection connecting rod is replaced with a punch release agent coating connector, and the punch vision system is replaced with a punch spraying device.

[0011] The structure of the upper cleaning and detection device is as follows: the upper gear and rack assembly and the upper guide rail slider assembly are fixedly connected to the upper frame. The inner ring mold release agent coating device, the base mold release agent coating device, the inner ring cleaning device, the base detection device, the inner ring detection device, and the base cleaning device are fixedly connected to the slider of the upper guide rail slider assembly. At the same time, the inner ring mold release agent coating device, the base mold release agent coating device, the inner ring cleaning device, the base detection device, the inner ring detection device, and the base cleaning device are driven by the upper explosion-proof motor to drive the upper gear and rack assembly to move these devices on the guide rail.

[0012] The inner ring mold release agent coating device has the following structure: an electric cylinder is fixedly connected to both the electric cylinder connecting plate and the lifting plate, driving the lifting plate to move up and down; a rotary motor and a guide rod are fixedly connected to the lifting plate; the inner ring rotating plate is connected to the rotary motor via a key; the inner ring rotating plate rotates one revolution through the rotary motor's rotating shaft; the lead screw motor fixing plate and the bearing seat pad are fixedly connected to the inner ring rotating plate; the lead screw motor is fixedly connected to the lead screw motor fixing plate; the fixed end bearing seat and the support end bearing seat are fixedly connected to the bearing seat pad; the ball screw passes through the inner holes of the fixed end bearing seat and the support end bearing seat and rotates synchronously with the lead screw motor shaft via a coupling; the mold release agent coating assembly is fixedly connected to the lead screw nut; the lead screw nut and the ball screw mesh with each other; the rotation of the ball screw drives the lead screw nut to move back and forth.

[0013] The structure of the inner ring cleaning device is exactly the same as that of the inner ring mold release agent application device in terms of structure and operating principle, except that the mold release agent application component of the inner ring mold release agent application device is replaced by a cleaning component.

[0014] The structure of the inner ring detection device is exactly the same as that of the inner ring release agent application device in terms of structure and operating principle, except that the release agent application component of the inner ring release agent application device is replaced by a vision detection system.

[0015] The structure of the mold core cleaning and detection device consists of a protective cover guide rail assembly, a mold core upper frame, a mold core base, and a mold core protective cover moving device, all fixedly connected to the lower frame of the mold core. The mold core gear rack assembly and the mold core guide rail assembly are fixedly connected to the upper frame of the mold core. The mold core cleaning device, the mold core detection device, and the mold core mold release agent application device are fixedly connected to the slider of the mold core guide rail assembly. At the same time, the explosion-proof motors on the mold core cleaning device, the mold core detection device, and the mold core mold release agent application device drive these devices to move on the guide rail through the mold core gear rack assembly.

[0016] The advantages of this invention are its novel structure, high degree of automation and intelligence, replacement of traditional manual cleaning with rags or toothbrushes, improved work efficiency, reduced dust concentration in the workshop, and reduced safety hazards such as explosions. Attached Figure Description

[0017] The invention will be further described below with reference to the accompanying drawings.

[0018] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the lower cleaning and detection device of the present invention; Figure 3 This is a schematic diagram of the punch cleaning device of the lower cleaning and detection device of the present invention; Figure 4 This is a schematic diagram of the positioning device of the lower cleaning and detection device of the present invention; Figure 5 This is a schematic diagram of the structure of the punch detection device for applying release agent in the lower cleaning and detection device of the present invention; Figure 6 This is a schematic diagram of the punch detection device of the punch detection device for the release agent application device of the present invention; Figure 7 This is a schematic diagram of the punch release agent application device of the punch detection device of the present invention; Figure 8 This is a schematic diagram of the upper cleaning and detection device of the present invention; Figure 9 This is a schematic diagram of the inner ring of the upper cleaning and detection device of the present invention for applying release agent; Figure 10 This is a schematic diagram of the inner ring cleaning device of the upper cleaning and detection device of the present invention; Figure 11 This is a schematic diagram of the inner ring detection device of the upper cleaning detection device of the present invention; Figure 12 This is a schematic diagram of the mold core cleaning and detection device. Detailed Implementation

[0019] An automatic mold cleaning and inspection device mainly consists of a lower cleaning and inspection device 1, a release agent application system 2, an upper cleaning and inspection device 3, a water bath dust removal system 4, and a mold core cleaning and inspection device 5. The upper cleaning and inspection device 3 is fixedly connected to the lower cleaning and inspection device 1. The release agent application system 2 is connected to the punch detection release agent application device 109 of the lower cleaning and inspection device 1, the inner ring release agent application device 302 and the base release agent application device 303 of the upper cleaning and inspection device 3, and the mold core release agent application device 510 of the mold core cleaning and inspection device 5 through pipelines, and provides release agent to the nozzle for spraying. The water bath dust removal system is connected to the punch cleaning device 105 and the inner ring cleaning and sealing device 108 of the lower cleaning and inspection device 1, the base cleaning device 309 of the upper cleaning and inspection device 3, and the mold core protective cover moving device 505 of the mold core cleaning and inspection device 5 through pipelines, and sucks away the dust generated during the cleaning process.

[0020] The structure of the lower cleaning and detection device 1 consists of a gear and rack assembly 102, a guide rail slider assembly 103, a protective cover support frame 104, a punch cleaning device 105, an inner ring cleaning and sealing device 108, and a punch detection and release agent application device 109, all of which are fixedly connected to the lower frame 101. The positioning device 107 is fixedly connected to the linear guide rail slider assembly 103. The lower explosion-proof motor 106 is fixedly connected to the positioning device 107 and drives the positioning device 107 to move on the guide rail slider assembly 103 via the gear and rack assembly 102. The guide rail protective cover 110 is fixedly connected to the protective cover support frame 104.

[0021] The punch cleaning device 105 has the following structure: a lifting cylinder 1051 is fixedly connected to a fixed plate 1053; the lifting cylinder 1051 and the punch cleaning cylinder 1055 are fixedly connected to the lifting cylinder connecting plate 1054; the guide rod 1052 and the cylinder connecting plate 1056 are fixedly connected to the punch cleaning cylinder 1055; the air knife lifting cylinder 057 is fixedly connected to the cylinder connecting plate 1056; the rotary cylinder 1058 is fixedly connected to the air knife lifting cylinder 057; and the air knife assembly 1059 is fixedly connected to the rotary cylinder 1058. The rotary cylinder 1058 drives the air knife assembly 1059 to rotate 180° to clean the bottom surface of the punch.

[0022] The positioning device 107 is structured such that the slider pad 1072, the positioning guide rail assembly 1073, and the synchronous cylinder assembly 1074 are fixedly connected to the positioning plate 1071, the positioning block 1075 is fixedly connected to the slider of the positioning guide rail assembly 1073, and the positioning ball 1076 is fixedly connected to the positioning block 1075. The positioning ball 1076 is used to cooperate with the positioning hole of the mold to achieve precise positioning.

[0023] The structure of the punch detection and release agent application device 109 is as follows: the punch gear and rack assembly 1091 and the punch guide rail assembly 1095 are fixedly connected to the punch detection frame 1092, the punch detection device 1094 and the punch release agent application device 1096 are fixedly connected to the punch guide rail assembly 1095, and the punch detection device 1094 and the punch release agent application device 1096 are fixedly connected to two punch explosion-proof motors 1093. The two punch explosion-proof motors 1093 drive the punch detection device 1094 and the punch release agent application device 1096 to move through the punch gear and rack assembly 1091. The punch detection device 1094 and the punch release agent application device 1096 have the same structure and operating principle.

[0024] The punch detection device 1094 is structured as follows: the punch lifting cylinder 109401 is fixedly connected to the punch detection fixing plate 109402; the punch lifting cylinder 109401, the motor fixing plate 109405, and the bearing seat pad 109412 are fixedly connected to the bearing seat base plate 109403; the detection motor 109409 is fixedly connected to the motor fixing plate 109405; the BF bearing seat 109406 and the BK bearing seat 109411 are fixedly connected to the bearing seat pad 109412; the punch detection connecting rod 109407 is fixedly connected to the punch ball screw 109410 nut; the punch vision system 109408 is fixedly connected to the punch detection connecting rod 109407; and the detection motor 109409 drives the punch ball screw 109410 to rotate through the punch synchronous pulley assembly 109404, thereby driving the punch vision system 109408 to move linearly and adjust the detection range.

[0025] The structure of the punch release agent coating device 1096 is the same as that of the punch detection device 1094, except that the punch detection connecting rod 109407 is replaced with the punch release agent coating connector 190601, and the punch vision system 109408 is replaced with the punch spraying device 109602.

[0026] The upper cleaning and detection device 3 is structured such that the upper gear and rack assembly 304 and the upper guide rail slider assembly 305 are fixedly connected to the upper frame 301, respectively. The inner ring release agent application device 302, the base release agent application device 303, the inner ring cleaning device 306, the base detection device 307, the inner ring detection device 308, and the base cleaning device 309 are fixedly connected to the slider of the upper guide rail slider assembly 305, respectively. At the same time, the inner ring release agent application device 302, the base release agent application device 303, the inner ring cleaning device 306, the base detection device 307, the inner ring detection device 308, and the base cleaning device 309 are driven by the upper explosion-proof motor 310 to drive the upper gear and rack assembly 304 to move these devices on the guide rail.

[0027] The inner ring release agent applicator 302 has the following structure: an electric cylinder 30211 is fixedly connected to both an electric cylinder connecting plate 30204 and a lifting plate 30203, driving the lifting plate 30203 to move up and down. A rotary motor 30213 and a guide rod 30215 are fixedly connected to the lifting plate 30203. The inner ring rotating plate 30210 is connected to the rotary motor 30213 via a key. Simultaneously, the inner ring rotating plate 30210 rotates one revolution via the rotating shaft of the rotary motor 30213. A screw motor 30205 fixing plate and a bearing seat pad 30214 are fixedly connected to the inner ring rotating plate 30210. 0202 is fixedly connected to the screw motor mounting plate 30205. The fixed end bearing seat 30207 and the support end bearing seat 30212 are fixedly connected to the bearing seat pad 30214 respectively. The ball screw 30209 passes through the inner holes of the fixed end bearing seat 30207 and the support end bearing seat 30212 and rotates synchronously with the shaft of the screw motor 30202 through the coupling 30206. The release agent application assembly 30201 is fixedly connected to the screw nut 30208. The screw nut 30208 and the ball screw 30209 mesh with each other. The rotation of the ball screw 30209 drives the screw nut 30208 to move back and forth.

[0028] The structure of the inner ring cleaning device 306 is exactly the same as that of the inner ring mold release agent application device 302 in terms of structure and operating principle, except that the mold release agent application component 30201 of the inner ring mold release agent application device 302 is replaced by the cleaning component 30601.

[0029] The structure of the inner ring detection device 308 is exactly the same as that of the inner ring mold release agent application device 302 in terms of structure and operating principle, except that the 30201 mold release agent application component of the inner ring mold release agent application device 302 is replaced with the 30801 vision inspection system.

[0030] The structure of the mold core cleaning and detection device 5 is as follows: the protective cover guide rail assembly 502, the upper frame of the mold core 503, the mold core base 504, and the mold core protective cover moving device are fixedly connected to the lower frame of the mold core 501. The mold core gear rack assembly 506 and the mold core guide rail assembly 507 are fixedly connected to the upper frame of the mold core 503. The mold core cleaning device 508, the mold core detection device 509, and the mold core release agent application device 510 are fixedly connected to the slider of the mold core guide rail assembly 507. At the same time, the explosion-proof motors on the mold core cleaning device 508, the mold core detection device 509, and the mold core release agent application device 510 drive these devices to move on the guide rail through the mold core gear rack assembly 506.

[0031] After the drug pressing process is completed, the mold, guide sleeve, demolding seat, pressure head, mold core, and base are automatically cleaned, visually inspected, and coated with release agent. Only one part is cleaned, inspected, and coated with release agent at a time until all parts in contact with the drug column are cleaned, at which point this process ends. The cleaned drug is then subjected to dust removal by a water bath dust collection system.

Claims

1. A large-size, high-precision automatic cleaning and inspection device for molds comprises a lower cleaning and inspection device, a mold release agent application system, an upper cleaning and inspection device, a water bath dust removal system, and a mold core cleaning and inspection device, characterized in that: The upper and lower cleaning and detection devices are fixedly connected. The mold release agent application system is connected via pipelines to the punch mold release agent application device of the lower cleaning and detection device, the inner ring mold release agent application device and the base mold release agent application device of the upper cleaning and detection device, and the mold core mold release agent application device of the mold core cleaning and detection device, and supplies mold release agent to the nozzle for spraying. The water bath dust removal system is connected via pipelines to the punch cleaning device and inner ring cleaning and sealing device of the lower cleaning and detection device, the base cleaning device of the upper cleaning and detection device, and the mold core protective cover moving device of the mold core cleaning and detection device, and removes the dust generated during the cleaning process. The advantages are novel structure, high degree of automation and intelligence, replacement of traditional manual cleaning with cloths or toothbrushes, improved work efficiency, reduced dust concentration in the workshop, and reduced safety hazards such as explosions.

2. The lower cleaning and detection device according to claim 1, characterized in that: The gear and rack assembly, guide rail slider assembly, protective cover support frame, punch cleaning device, inner ring cleaning and sealing device, and punch detection and release agent application device are fixedly connected to the lower frame. The positioning device is fixedly connected to the linear guide rail slider assembly. The lower explosion-proof motor is fixedly connected to the positioning device and drives the positioning device to move on the guide rail slider assembly through the gear and rack assembly. The guide rail protective cover is fixedly connected to the protective cover support frame.

3. The punch cleaning device according to claim 2, characterized in that: The lifting cylinder is fixedly connected to the fixed plate. The lifting cylinder and the punch cleaning cylinder are fixedly connected to the lifting cylinder connecting plate. The guide rod and the cylinder connecting plate are fixedly connected to the punch cleaning cylinder. The air knife lifting cylinder is fixedly connected to the cylinder connecting plate. The rotary cylinder is fixedly connected to the air knife lifting cylinder. The air knife assembly is fixedly connected to the rotary cylinder. The rotary cylinder drives the air knife assembly to rotate 180° to clean the bottom surface of the punch.

4. The positioning device according to claim 2, characterized in that: The slide block, positioning guide rail assembly, and synchronous cylinder assembly are fixedly connected to the positioning plate, the positioning block is fixedly connected to the slide block of the positioning guide rail assembly, and the positioning ball is fixedly connected to the positioning block. The positioning ball and the mold positioning hole are used to achieve precise positioning.

5. The punch detection and release agent application device according to claim 2, characterized in that: The punch gear and rack assembly and the punch guide rail assembly are fixedly connected to the punch detection frame, the punch detection device and the punch release agent application device are fixedly connected to the punch guide rail assembly, and the punch detection device and the punch release agent application device are fixedly connected to two punch explosion-proof motors. The two punch explosion-proof motors drive the punch detection device and the punch release agent application device to move through the punch gear and rack assembly. The punch detection device and the punch release agent application device have the same structure and operating principle.

6. The punch detection device according to claim 5, characterized in that: The punch lifting cylinder is fixedly connected to the punch detection fixing plate. The punch lifting cylinder, motor fixing plate, and bearing seat pad are fixedly connected to the bearing seat base plate. The detection motor is fixedly connected to the motor fixing plate. The BF bearing seat and BK bearing seat are fixedly connected to the bearing seat pad plate. The punch detection connecting rod is fixedly connected to the punch ball screw nut. The punch vision system is fixedly connected to the punch detection connecting rod. The detection motor drives the punch ball screw to rotate through the punch synchronous belt pulley assembly, thereby driving the punch vision system to move linearly and adjust the detection range.

7. The punch mold release agent applicator according to claim 5, characterized in that: The punch release agent application device and the punch detection device have the same structure and operating principle. The only difference is that the punch detection connecting rod is replaced with a punch release agent application connector in the punch release agent application device, and the punch vision system is replaced with a punch spraying device.

8. The upper cleaning and detection device according to claim 1, characterized in that: The upper gear and rack assembly and the upper guide rail slider assembly are fixedly connected to the upper frame. The inner ring mold release agent application device, the base mold release agent application device, the inner ring cleaning device, the base detection device, the inner ring detection device, and the base cleaning device are fixedly connected to the slider of the upper guide rail slider assembly. At the same time, the inner ring mold release agent application device, the base mold release agent application device, the inner ring cleaning device, the base detection device, the inner ring detection device, and the base cleaning device are driven by the upper explosion-proof motor to drive the upper gear and rack assembly to move these devices on the guide rail.

9. The device for applying release agent to the inner ring according to claim 8, characterized in that: The electric cylinder is fixedly connected to both the electric cylinder connecting plate and the lifting plate, driving the lifting plate to move up and down. The rotary motor and guide rod are fixedly connected to the lifting plate. The inner ring rotating plate is connected to the rotary motor via a flat key. Simultaneously, the inner ring rotating plate rotates one revolution through the rotary motor's rotating shaft. The lead screw motor fixing plate and bearing seat pad are fixedly connected to the inner ring rotating plate. The lead screw motor is fixedly connected to the lead screw motor fixing plate. The fixed end bearing seat and the support end bearing seat are fixedly connected to the bearing seat pad. The ball screw passes through the inner holes of the fixed end bearing seat and the support end bearing seat and rotates synchronously with the lead screw motor shaft via a coupling. The release agent assembly is fixedly connected to the lead screw nut. The lead screw nut and the ball screw mesh with each other. The rotation of the ball screw drives the lead screw nut to move back and forth.

10. The inner ring cleaning device according to claim 8, characterized in that: the inner ring... The structure and operating principle of the cleaning device are exactly the same as those of the inner ring mold release agent coating device, except that the mold release agent coating component of the inner ring mold release agent coating device is replaced by the cleaning component.

11. The inner ring detection device according to claim 8, characterized in that the inner ring... The structure and operating principle of the detection device are exactly the same as those of the inner ring mold release agent device, except that the mold release agent component of the inner ring mold release agent device is replaced with a vision detection system.

Images