Precision mold closing gap detection device

Abstract

The utility model relates to the technical field of mold detection, in particular to a precision mold closing gap detection device, which comprises a detection platform, a support frame arranged on the side edge of the detection platform, a detection frame longitudinally and adjustably arranged on the support frame, a detector group arranged on the detection frame, and a detection seat rotatably and adjustably arranged on the detection platform. Conveying rollers are arranged on the detection base, a conveying driving structure is arranged in cooperation with the conveying rollers, a feeding conveying belt, a discharging conveying belt and a waste conveying belt are arranged on the three faces of the detection platform correspondingly, a first electric push rod is arranged at the top of the supporting frame, and a pressing base is arranged at the bottom end of the first electric push rod; the bottom end of the pressing seat is provided with a pressing plate through the cooperation of a shaft and a bearing, and the pressing plate is matched with the axis of the detection seat. According to the utility model, automatic and continuous detection can be realized during precision die assembly detection, accurate feeding and discharging can be realized, waste materials can be removed, and the detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould detection technical field, concretely is precision mould jointing gap detection device. BACKGROUND

[0002] Precision mould is a kind of high-end mould with micron level machining precision and extremely low surface roughness, and is mainly used for producing electronic connector, optical lens, precision gear and other products with strict size and geometric tolerance requirements.This kind of mould is usually made of hard alloy or quenched tool steel, and is formed by precision grinding and EDM processing.

[0003] Jointing gap detection is crucial for precision mould, because: first, even 0.01mm gap deviation will cause flash or size out-of-tolerance of injection molded parts;Second, uneven jointing pressure will cause elastic deformation of mould cavity, affecting product geometric accuracy;Third, long-term gap will accelerate the wear of mould parting surface, shorten the service life of mould.Modern precision mould usually uses laser displacement sensor for online monitoring, to ensure that the jointing precision is controlled within the design range, thereby ensuring product quality and mould service life;

[0004] In the prior art, precision mould jointing gap detection, especially the jointing gap detection of small and medium-sized precision mould, mainly relies on manual operation, including mould feeding, positioning and detection process.Manual participation not only increases the labor intensity, but also leads to low detection efficiency due to limited operation speed.Especially in batch detection, frequent manual intervention is easy to cause incoherent detection rhythm, and it is difficult to meet the demand of modern intelligent manufacturing for efficient and continuous production.In addition, manual operation is easy to introduce positioning error, affecting detection accuracy.

[0005] And in the prior art, the mould after detection needs to be judged by manual and manually sorted, which is not only low in efficiency, but also easy to cause mixing due to human negligence, affecting the accuracy of detection results. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing precision mould jointing gap detection device to solve the problems in the above background.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: Precise mould closes the detection device of gap, including detection platform, the side of detection platform is provided with support frame, the detection frame is adjustably arranged on the support frame, detection instrument group is arranged on the detection frame, detection instrument group can adopt one or more of laser displacement sensor, ultrasonic detector group cooperation, if cooperation is used, then selection longitudinal arrangement installation, wherein, laser displacement sensor can be scanned along the parting surface after closing, and the clearance width is detected through laser ranging, and the precision is higher, and it is suitable for on line monitoring, and the ultrasonic detector group can detect the internal non-closed area or small gap of closing face, such as deep cavity mould, the detection seat is adjustably arranged on the detection platform, the conveying roller is arranged on the detection seat, and the conveying drive structure is arranged in cooperation with the conveying roller, three sides of the detection platform are respectively provided with feeding conveyor belt, discharging conveyor belt and waste conveyor belt, the first electric push rod is arranged at the top of the support frame, the bottom of the first electric push rod is provided with a pressing seat, the bottom of the pressing seat is provided with a pressing plate through the cooperation of shaft and bearing, and the pressing plate is consistent with the shaft center of the detection seat.

[0008] The utility model further sets up, the detection platform is equipped with rotating groove, the detection seat is located in rotating groove, and the bottom is installed on the detection platform through the cooperation of shaft and bearing, the bottom of the detection platform is provided with a rotating motor in cooperation with the detection seat, the rotating motor is started, the rotation of the detection seat can be controlled through the rotating motor, the precise mould of the closing state on the detection seat can be driven to rotate through the detection seat, so that the closing detection of the precise mould of the mould state is detected in all aspects through the detection instrument group.

[0009] The utility model further sets up, the support frame is equipped with positioning equipment in cooperation with the feeding conveyor belt and the detection instrument group on the detection frame, the feeding position can be accurately controlled through the positioning equipment, and the detection precision is improved, wherein the positioning equipment can select the visual positioning detection camera, photoelectric sensor, laser positioning sensor, infrared positioning sensor and other positioning modes commonly used in prior art, the visual positioning detection camera is preferably adopted for positioning in the utility model, and the specific installation and application principle thereof are prior art, and those skilled in the art should know that, and the cooperation control of related electrical elements such as motor and electric push rod can be realized through the controller through setting program control, and the related application is prior art, and the specific circuit connection information of the utility model should be known by those skilled in the art, and the utility model does not make superfluous words here.

[0010] The utility model further sets up, the rack of upper material conveying belt is provided with fixed plate symmetry, be provided with second electric push rod on the fixed plate, be provided with the push plate on second electric push rod, before loading in the through upper material conveying belt, when the mould of detection is in the state of loading, start second electric push rod, can control push plate movement through second electric push rod, through the cooperation and control of two groups of push plate, the mould of detection is located in the accurate loading position, improve loading accuracy.

[0011] The utility model further sets up, the vertical setting has the ball screw on the support frame, and cooperation ball screw sets up the screw nut and screw motor, the detection frame sets up on the screw nut, can control the operation of ball screw through screw motor, thereby control the screw nut drives the detection frame's elevation, control detection appearance group's elevation through the elevation control of detection frame, thereby adjust detection height.

[0012] The utility model further sets up, the conveying drive structure includes installation groove, the installation groove is set up on the detection seat, the conveying shaft is set up in the installation groove through bearing, the conveying roller is symmetrically set up on the conveying shaft and rotates in the installation groove, the installation groove is set up drive assembly with conveying shaft.

[0013] The utility model further sets up, the drive assembly includes drive groove, the drive groove is in the middle part of installation groove, be provided with conveying motor in the drive groove, conveying motor and corresponding conveying shaft between and adjacent two conveying shafts between all be provided with synchronous belt transmission structure, when the precision mould of closing mould state is loaded or unloaded on the detection seat, start conveying motor, can control corresponding conveying shaft rotation through the cooperation of conveying motor and synchronous belt transmission structure, the synchronous rotation drive of adjacent two groups of conveying shafts can be realized under the cooperation of corresponding synchronous belt transmission structure, thereby realize the synchronous rotation of all conveying rollers, further realize the movement conveying of the precision mould of closing mould state on the detection seat, here, synchronous belt transmission structure adopts synchronous wheel and synchronous belt cooperation and realizes drive through the transmission mode of tooth meshing, synchronous belt transmission structure has the characteristics of constant transmission ratio and stable transmission, is widely applied in the multi-shaft synchronous drive, and the person skilled in the art should know that the utility model does not make superfluous words to this.

[0014] The utility model further sets up, the detection platform cooperation conveying roller is provided with auxiliary ball, the bearing interface of auxiliary ball, conveying roller, upper material conveying belt, unloading conveying belt and waste conveying belt is level, can realize the auxiliary support of the precision mould of closing mould state in the loading and unloading process on the detection seat through auxiliary ball, improve the stability when loading and unloading.

[0015] Compared with the prior art, the utility model has the advantages of:

[0016] 1. The utility model discloses a through the cooperation and cooperation of feeding conveyor belt, detection platform, detection seat, unloading conveyor belt and waste conveyor belt, realized the full -process automation of precision mould joint gap detection, and feeding conveyor belt is accurately transported to the rotatable detection seat to the mould to be examined, and the detection instrument group is under the assistance of positioning equipment and is automatically completed multi -angle gap scanning, and the qualified product and unqualified product are separated through unloading conveyor belt and waste conveyor belt and automatically sort out, compared with traditional manual operation, the device eliminates the time loss of manual feeding, positioning and sorting, shortens the detection rhythm, especially the rotation design of detection seat cooperates the dynamic fixation of the compression plate, so that single clamping can complete mould circumferential detection, avoids the process of repeatedly disassembling the mould, especially suitable for batch detection of small and medium-sized precision mould.

[0017] 2. The utility model discloses the longitudinal combination layout of laser displacement sensor and ultrasonic detector group, and laser sensor scans the outside gap of parting surface with high accuracy, and ultrasonic probe can detect the unclose area in deep cavity mould, and detection frame carries the detection instrument group and realizes Z axle longitudinal precision adjustment through the ball screw, cooperates the detection seat that can rotate 360 DEG, forms three -dimensional detection system, effectively improves the joint gap detection performance of precision mould. ACCURACY

[0018] Figure 1 It is the whole structure schematic of the utility model Figure 1 ;

[0019] Figure 2 It is the whole structure schematic of the utility model Figure 2 ;

[0020] Figure 3 It is the cooperation structure schematic drawing between compression plate, detection seat and detection instrument group in the utility model;

[0021] Figure 4 It is the installation structure section view schematic drawing of conveying roller on the detection seat in the utility model;

[0022] Figure 5 It is the position cooperation section view schematic drawing of detection platform, rotary groove and rotary motor.

[0023] The components represented by the numbers in the drawings are listed as follows: 1, detection platform; 2, support frame; 3, detection frame; 4, detection instrument group; 5, detection seat; 6, conveying roller; 7, feeding conveying belt; 8, discharging conveying belt; 9, waste conveying belt; 10, first electric push rod; 11, pressing seat; 12, pressing plate; 13, rotating groove; 14, rotating motor; 15, positioning device; 16, fixed plate; 17, second electric push rod; 18, push plate; 19, ball screw; 20, screw nut; 21, screw motor; 22, mounting groove; 23, conveying shaft; 24, driving groove; 25, conveying motor; 26, synchronous belt transmission structure; 27, auxiliary ball. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] The utility model provides a kind of technical scheme: as Figures 1-4 As shown in the precise mold closing gap detection device of figure, including detection platform 1, the side of detection platform 1 is provided with support frame 2, support frame 2 is vertically adjustable and is provided with detection frame 3, detection frame 3 is provided with detection instrument group 4, here, detection instrument group 4 can use laser displacement sensor, ultrasonic detector group 4 one or more equipment cooperation;If use in conjunction, then select vertical arrangement installation;In the utility model, laser displacement sensor and ultrasonic detector group 4 combination is preferably used to detect the closing gap of precise mold;

[0026] Wherein, laser displacement sensor can be scanned along parting surface after closing, and the gap width is detected by laser ranging, with high precision, suitable for online monitoring;

[0027] Ultrasonic detector group 4 can detect the internal non-closed area or small gap of closing surface, such as deep cavity mold;

[0028] The utility model is rotationally adjustable and is provided with detection seat 5 on detection platform 1, detection seat 5 is provided with conveying roller 6, and conveying drive structure is provided in cooperation with conveying roller 6, and three sides of detection platform 1 are respectively provided with feeding conveying belt 7, discharging conveying belt 8 and waste conveying belt 9;

[0029] The upper feeding conveying belt 7, the lower feeding conveying belt 8 and the waste conveying belt 9 all adopt stable belt conveying equipment, and the belt conveying equipment products in the prior art are various, and a suitable product can be selected according to the requirement, wherein the belt surface for conveying can be assisted and supported through a roller structure.

[0030] The first electric push rod 10 is arranged at the top of the support frame 2, the bottom end of the first electric push rod 10 is provided with a pressing seat 11, the bottom end of the pressing seat 11 is provided with a pressing plate 12 through the cooperation of a shaft and a bearing, and the pressing plate 12 is coaxial with the detection seat 5.

[0031] Please refer to Figures 1-5 As an embodiment of the detection seat 5, a rotating groove 13 is arranged on the detection platform 1, the detection seat 5 is located in the rotating groove 13, and the bottom end is installed on the detection platform 1 through the cooperation of a shaft and a bearing, the bottom end of the detection platform 1 is provided with a rotating motor 14 in cooperation with the detection seat 5, the rotating motor 14 is started, the rotation of the detection seat 5 can be controlled through the rotating motor 14, the mold state precision mold located on the detection seat 5 can be driven to rotate, so that the mold detection of the mold state precision mold is detected in all aspects through the detector group 4.

[0032] The positioning equipment 15 is arranged on the support frame 2 in cooperation with the upper feeding conveying belt 7 and the detection frame 3 in cooperation with the detector group 4, the feeding position can be accurately controlled through the positioning equipment 15, and the detection precision is improved.

[0033] The positioning equipment 15 can select the commonly used visual positioning detection camera, photoelectric sensor, laser positioning sensor, infrared positioning sensor and other positioning modes in the prior art, preferably, the visual positioning detection camera is adopted to realize positioning in the utility model, the production and application of the visual positioning detection camera (industrial camera) in the market are mature, the specific installation and application principle of the visual positioning detection camera are the prior art, and the person skilled in the art should know that the control cooperation of the motor, the electric push rod and other related electrical elements can be realized through the controller setting corresponding program control, and the related application is the prior art, and the specific circuit connection information of the person skilled in the art should be known, and the utility model does not make redundant description here.

[0034] Please refer to Figures 1-5As an embodiment of the feeding conveying belt 7: symmetrically arranged fixed plates 16 are arranged on the rack of the feeding conveying belt 7, second electric push rods 17 are arranged on the fixed plates 16, and push plates 18 are arranged on the second electric push rods 17; before feeding through the feeding conveying belt 7, when the mold to be detected is in a waiting state for feeding, the second electric push rods 17 are started, the push plates 18 can be controlled to move through the second electric push rods 17, the mold to be detected is controlled to be located at a precise feeding position through the cooperation of the two groups of push plates 18, and the feeding precision is improved.

[0035] Please refer to Figures 1-5 As an embodiment of the support frame 2: a ball screw 19 is vertically arranged on the support frame 2, a screw nut 20 and a screw motor 21 are arranged in cooperation with the ball screw 19, and the detection frame 3 is arranged on the screw nut 20; the operation of the ball screw 19 can be controlled through the screw motor 21, so that the lifting of the detection frame 3 is controlled by the screw nut 20, the lifting of the detector group 4 is controlled through the lifting of the detection frame 3, and the detection height of the detector group 4 for the mold clamping gap is adjusted.

[0036] Please refer to Figures 1-5 As an embodiment of the conveying driving structure: the conveying driving structure comprises a mounting groove 22, the mounting groove 22 is arranged on the detection seat 5, a conveying shaft 23 is arranged in the mounting groove 22 through a bearing, conveying rollers 6 are symmetrically arranged on the conveying shaft 23 and rotate in the mounting groove 22, and a driving assembly is arranged in the mounting groove 22 in cooperation with the conveying shaft 23.

[0037] Specifically, the driving assembly comprises a driving groove 24, the driving groove 24 is located in the middle of the mounting groove 22, a conveying motor 25 is arranged in the driving groove 24, and a synchronous belt transmission structure 26 is arranged between the conveying motor 25 and the corresponding conveying shaft 23 and between adjacent two conveying shafts 23.

[0038] When the precision mold in the clamping state is fed or discharged on the detection seat 5, the conveying motor 25 is started, the corresponding conveying shaft 23 can be controlled to rotate through the cooperation of the conveying motor 25 and the synchronous belt transmission structure 26, synchronous rotation driving between the two groups of conveying shafts 23 can be realized through the cooperation of the corresponding synchronous belt transmission structure 26, so that the synchronous rotation of all the conveying rollers 6 is realized, and then the movement and conveying of the precision mold in the clamping state on the detection seat 5 are realized.

[0039] Here, the synchronous belt transmission structure 26 adopts the transmission mode of gear meshing through the cooperation of a synchronous wheel and a synchronous belt, the synchronous belt transmission structure 26 has the characteristics of constant transmission ratio and stable transmission, is widely used in multi-axis synchronous driving, and those skilled in the art should know that the utility model does not make redundant descriptions here.

[0040] Please refer to Figures 1-5As an embodiment of the detection platform: the auxiliary ball 27 is arranged on the detection platform 1 matched with the conveying roller 6, the bearing interfaces of the auxiliary ball 27, the conveying roller 6, the feeding conveying belt 7, the discharging conveying belt 8 and the waste conveying belt 9 are flat, the auxiliary support of the precision mold in the mold closing state during the feeding and discharging processes on the detection seat 5 can be realized through the auxiliary ball 27, and the stability during feeding and discharging is improved.

[0041] In conclusion, the working principle and working process of the utility model are as follows:

[0042] When in use, the precision mold in the mold closing state can be placed on the feeding conveying belt 7 uniformly and stably through the external mechanical hand, and is conveyed through the feeding conveying belt 7.

[0043] When conveyed to the detection platform 1, the positioning equipment 15 on the support frame 2 can be used for positioning monitoring, if the conveying position is accurate, the precision mold is directly conveyed to the detection seat 5.

[0044] During the process, the conveying motor 25 is controlled to rotate, the corresponding conveying shaft 23 can be controlled to rotate through the cooperation of the conveying motor 25 and the synchronous belt transmission structure 26, the synchronous rotation drive of the adjacent two groups of conveying shafts 23 can be realized under the cooperation of the corresponding synchronous belt transmission structure 26, so that the synchronous rotation of all the conveying rollers 6 is realized, and the stable movement and conveying of the precision mold in the mold closing state on the detection seat 5 are realized.

[0045] During the process, the conveying speed of the conveying roller 6 for the mold is kept consistent with the conveying speed of the feeding conveying belt 7, so that the precision mold in the mold closing state can be stably transferred to the detection seat 5, and is positioned under the action of the positioning equipment 15 on the detection frame 3, so that when the mold to be detected is located at the center position of the detection seat 5, the conveying is stopped.

[0046] Then, the first electric push rod 10 is started, the first electric push rod 10 is controlled to drive the pressing seat 11 to lower the pressing plate 12, so that the pressing seat 11 is pressed above the mold to be detected, so as to cooperate with the supporting state of the detection seat 5, and realize the stable fixation of the precision mold in the mold closing state on the detection seat 5.

[0047] Then, the rotating motor 14 is started, the rotating motor 14 can be controlled to rotate the detection seat 5, the precision mold in the mold closing state on the detection seat 5 can be driven to rotate through the cooperation of the detection seat 5 and the pressing plate 12, so that different position angles of the mold to be detected are connected with the detection instrument group 4, and the 360° omnibearing detection of the mold closing gap of the precision mold is realized.

[0048] In the process, the operation of the ball screw 19 can be controlled through the lead screw motor 21, so as to control the lifting of the detection frame 3 driven by the lead screw nut 20, and the lifting of the detection instrument group 4 is controlled through the lifting of the detection frame 3, so that the detection height is flexibly adjusted, and the precise mold closing gap is comprehensively detected in multiple dimensions.

[0049] After the detection is completed, the first electric push rod 10 is controlled to drive the pressing plate 12 to move upwards, and the pressing plate 12 is released from the limiting of the mold, then the conveying motor 25 is continuously controlled to drive the conveying roller 6 to rotate, and the mold is unloaded;

[0050] At this time, the detection whether the result is qualified is selected, if qualified, the mold is returned to the initial state under the rotation adjustment of the detection seat 5, and directly unloaded under the cooperation of the conveying roller 6 and the unloading conveying belt 8;

[0051] If not qualified, the angle of the detection seat 5 is adjusted, so that the conveying direction of the conveying roller 6 is consistent with the waste conveying belt 9, so that the unqualified mold can be flexibly conveyed to the waste conveying belt 9 for next step processing;

[0052] Then, the detection seat 5 returns to the initial state, so as to carry out the next round of detection and feeding;

[0053] In the subsequent detection and feeding process, if it is found that the position of the mold conveyed on the feeding conveying belt 7 is not accurate, the feeding conveying belt 7 is stopped when waiting for feeding, and the mold to be fed is located between the two groups of push plates 18;

[0054] The second electric push rod 17 is started, the push plate 18 can be controlled to move through the second electric push rod 17, and the mold to be detected is controlled to move to the accurate feeding position through the cooperation of the two groups of push plates 18, so as to improve the feeding accuracy;

[0055] In the utility model, since the detection seat 5 is rotatably installed, when the conveying motor 25 is wired, the electrically conductive slip ring can be used for connecting the circuit, the electrically conductive slip ring is also called current collecting ring, and is also called electrically conductive ring, slip ring, current collecting ring, and current collecting ring, and it can be used in any electromechanical system which requires continuous rotation and needs to transmit power supply and signal from fixed position to rotating position, the slip ring can improve system performance, simplify system structure, and avoid the twist of wire in the rotating process, and the specific application and connection structure are prior art, and those skilled in the art should know that the utility model does not make superfluous repetition.

[0056] The utility model is especially suitable for the continuity closing gap detection of small and medium-sized precise molds, and the detection efficiency is high, and the detection effect is good.

[0057] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0058] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A precision mold clamping gap detection device, comprising a detection platform (1), characterized in that: The side of the detection platform (1) is provided with a support frame (2), the detection frame (3) is longitudinally adjustable arranged on the support frame (2), the detector group (4) is arranged on the detection frame (3), the detection seat (5) is rotatably adjustable arranged on the detection platform (1), the conveying roller (6) is arranged on the detection seat (5), and the conveying drive structure is arranged in cooperation with the conveying roller (6), three sides of the detection platform (1) are respectively provided with a feeding conveyor belt (7), a discharging conveyor belt (8) and a waste conveyor belt (9), the top of the support frame (2) is provided with a first electric push rod (10), the bottom end of the first electric push rod (10) is provided with a pressing seat (11), the bottom end of the pressing seat (11) is provided with a pressing plate (12) through the cooperation of shaft and bearing, and the pressing plate (12) is coaxial with the shaft of the detection seat (5).

2. The precision mold closure gap detection apparatus of claim 1, wherein: The detection platform (1) is provided with a rotating groove (13), the detection seat (5) is located in the rotating groove (13), and the bottom end is mounted on the detection platform (1) through the cooperation of shaft and bearing, and the bottom end of the detection platform (1) is provided with a rotating motor (14) in cooperation with the detection seat (5).

3. The precision mold closure gap detection apparatus of claim 1, wherein: The support frame (2) is provided with a positioning device (15) in cooperation with the feeding conveyor belt (7) and the detection frame (3) in cooperation with the detector group (4).

4. The precision mold closure gap detection apparatus of claim 3, wherein: The frame of the feeding conveyor belt (7) is provided with a fixed plate (16) symmetrically, the second electric push rod (17) is arranged on the fixed plate (16), and the output end of the second electric push rod (17) is provided with a push plate (18).

5. The precision mold closure gap detection apparatus of claim 1, wherein: The support frame (2) is vertically provided with a ball screw (19), and a screw nut (20) and a screw motor (21) are arranged in cooperation with the ball screw (19), and the detection frame (3) is arranged on the screw nut (20).

6. The precision mold closure gap detection apparatus of claim 1, wherein: The conveying drive structure comprises a mounting groove (22), the mounting groove (22) is arranged on the detection seat (5), the conveying shaft (23) is arranged in the mounting groove (22) through the bearing, the conveying roller (6) is symmetrically arranged on the conveying shaft (23) and rotates in the mounting groove (22), and the driving assembly is arranged in the mounting groove (22) in cooperation with the conveying shaft (23).

7. The precision mold closure gap detection apparatus of claim 6, wherein: The driving assembly comprises a driving groove (24), the driving groove (24) is located in the middle of the mounting groove (22), the conveying motor (25) is arranged in the driving groove (24), and the synchronous belt transmission structure (26) is arranged between the conveying motor (25) and the corresponding conveying shaft (23) and between the two adjacent conveying shafts (23).

8. The precision mold closure gap detection apparatus of claim 1, wherein: The detection platform (1) is provided with an auxiliary ball (27) in cooperation with the conveying roller (6), and the bearing interfaces of the auxiliary ball (27), the conveying roller (6), the feeding conveyor belt (7), the discharging conveyor belt (8) and the waste conveyor belt (9) are flat.

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