Measuring jig for detecting injection molded part

Abstract

The invention relates to the technical field of injection molding part detection, in particular to a measuring jig for injection molding part detection, which comprises an object placing plate, a transparent blocking frame is fixedly connected to the top end of the object placing plate, and electric telescopic rods which are horizontally arranged and fixedly connected with the transparent blocking frame are symmetrically arranged on the inner wall of the inner side of the transparent blocking frame. Through the arrangement of the object placing plate, the transparent blocking frame, the electric telescopic rod, the scale pressing plate, the height graduated scale, the injection molding part body, the pointer and the width graduated scale, when the injection molding part body needs to be measured, the injection molding part body is placed in the middle of the top end of the object placing plate, and the electric telescopic rod is started until the scale pressing plate is tightly attached to the injection molding part body; at the moment, the length, the width and the height of the injection-molded part body can be determined through the reading of the width graduated scale, the reading of the scale pressing plate and the reading of the height graduated scale, the design can determine the size of the injection-molded part body while positioning the injection-molded part body, and the working efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of injection molded parts detection, in particular to a measuring jig for injection molded parts detection. Background Art

[0002] A measuring fixture is a tool specifically used to measure and detect the size, shape, and position accuracy of a product. It is commonly used in manufacturing and quality control to ensure that products meet design specifications and quality standards. Measuring fixtures can help improve measurement accuracy and consistency, reduce human errors, and improve production efficiency. Measuring fixtures for injection molded parts inspection are important tools for ensuring the quality of injection molded parts. They are designed to accurately measure various key dimensions and parameters of injection molded parts. Measuring fixtures for injection molded parts inspection provide reliable quality inspection guarantees for the production process of injection molded parts, which helps improve product quality, reduce scrap rates, and enhance the company's market competitiveness.

[0003] Existing measuring jigs are widely used, but most of the existing measuring jigs usually measure the length, width and height of the injection molded parts after the injection molded parts are fixed, and the measuring speed is slow. After the injection molded parts are produced, there will be some excess plastic on the surface of the injection molded parts due to the existence of the vent holes of the injection mold. When measuring the injection molded parts, the excess plastic needs to be manually cut off, otherwise the excess plastic may affect the measurement accuracy and cause the quality of the injection molded parts to be reduced or even unusable. This method will make the workers' labor intensity too high, and the manually cut plastic is scattered on the inside of the measuring jig and is difficult to clean, which is easy to affect the measurement of the injection molded parts. Therefore, a measuring jig for injection molded parts inspection is proposed to address the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a measuring jig for injection molded parts inspection to solve the problems of the existing devices mentioned in the above background technology, such as slow measurement speed of injection molded parts, excessive labor intensity for workers caused by cutting off excess plastic, and difficulty in cleaning the cut plastic.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A measuring jig for injection molded part inspection, comprising a storage plate, a transparent baffle frame fixedly connected to the top of the storage plate, an electric telescopic rod symmetrically arranged horizontally and fixedly connected to the transparent baffle frame on the inner inner wall of the transparent baffle frame, a horizontally arranged scale pressing plate fixedly connected to the output end of the electric telescopic rod, a vertically arranged height scale fixedly connected to the top of the scale pressing plate, an injection molded part body located at the top of the storage plate is provided on the side of the scale pressing plate away from the electric telescopic rod, a pointer located outside the transparent baffle frame is fixedly connected to the front end of the scale pressing plate, a width scale horizontally arranged and fixedly connected to the front side of the transparent baffle frame is provided below the pointer, and a polishing component is provided above the injection molded part body.

[0007] Preferably, the grinding assembly includes a support rod vertically arranged and fixedly connected to the top of the storage plate, the top of the support rod is fixedly connected to a horizontally arranged first electric slide rail, the inner side of the first electric slide rail is slidably connected to a first electric slider, the bottom end of the first electric slider is fixedly connected to a horizontally arranged second electric slide rail, the inner side of the second electric slide rail is slidably connected to a second electric slider, the bottom end of the second electric slider is fixedly connected to a vertically arranged lifting rod, and the bottom end of the lifting rod is equipped with a grinding assembly.

[0008] Preferably, the grinding assembly includes a rotating motor fixedly connected to the bottom end of the lifting rod, the outer surface of the rotating motor output shaft is symmetrically provided with threaded grooves, the inner side of the threaded groove is spirally connected with a mounting bolt, the outer side of the rotating motor output shaft is provided with a connecting tube, the outer side of the connecting tube is symmetrically provided with circular holes that penetrate the connecting tube, the mounting bolts are located on the inner side of the circular holes, and the bottom end of the connecting tube is fixedly connected with a grinding disc.

[0009] Preferably, a ventilation hole is opened inside the storage board and passes through the storage board from top to bottom, the bottom end of the storage board is fixedly connected to a bottom box with an upward opening, exhaust fans passing through the bottom box are symmetrically provided on the left and right sides of the bottom box, and a collection component is provided inside the bottom box.

[0010] Preferably, the collecting component includes a collecting drawer slidably connected to the inner side of the bottom box and passing through the bottom box, a filter plate passing through the collecting drawer is fixedly connected to the bottom end of the collecting drawer, symmetrically arranged sliding strips are fixedly connected to the inner wall of the inner side of the collecting drawer, a horizontally arranged pressure plate is provided on the inner side of the collecting drawer, a threaded cylinder fixedly connected to the front side of the pressure plate is symmetrically provided on the front side of the pressure plate, a threaded push rod is spirally connected to the inner side of the threaded cylinder, a sealing ring is provided on the outer side of the threaded cylinder, and a positioning component installed on the front side of the collecting drawer is provided on the front side of the sealing ring.

[0011] Preferably, the positioning assembly includes a positioning frame fixedly connected to the front side of the collection drawer, a symmetrically arranged connecting plate is slidably connected to the inner side of the positioning frame, a positioning bolt that passes through the positioning frame and is spirally connected to the positioning frame is rotatably connected to one side of the connecting plate, and a tightening semi-open ring is fixedly connected between the two connecting plates.

[0012] Preferably, there are multiple ventilation holes, which are evenly distributed on the top of the storage plate; there are multiple exhaust fans, which are evenly distributed on the outside of the bottom box; the outside of the pressure plate fits tightly with the inside of the collection drawer; the pressure plate is connected to the slide bar in a sliding manner; the threaded barrel passes through the collection drawer and is slidably connected to the collection drawer; the outside of the sealing ring fits tightly with the inside of the threaded barrel; the sealing ring is fixedly connected to the front side of the collection drawer; and the inside of the clamping semi-open ring fits tightly with the outside of the threaded barrel.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. In the present invention, by providing a storage plate, a transparent baffle, an electric telescopic rod, a scale clamping plate, a height scale, an injection molded part body, a pointer and a width scale, when the injection molded part body needs to be measured, the injection molded part body is placed in the middle of the top of the storage plate, and the electric telescopic rod is started until the scale clamping plate and the injection molded part body are closely fitted. At this time, the length, width and height of the injection molded part body can be determined respectively by the indications of the width scale, the scale clamping plate and the height scale. This design can determine the size of the injection molded part body while positioning the injection molded part body, thereby improving work efficiency;

[0015] 2. In the present invention, by setting a grinding assembly, a support rod, a first electric slide rail, a first electric slider, a second electric slide rail, a second electric slider, a lifting rod, a grinding assembly, a rotating motor, a threaded groove, a mounting bolt, a connecting tube, a round hole and a grinding disc, when the device is used, the output shaft of the rotating motor drives the grinding disc to rotate, and the output shaft of the lifting rod moves to drive the grinding disc to descend until the grinding disc contacts the top of the injection molded part body, the first electric slider slides inside the first electric slide rail at the top of the support rod, and the second electric slider slides inside the second electric slide rail, and the grinding disc can grind the injection molded part body. The setting of the grinding assembly can replace the workers to grind the injection molded part body, thereby reducing the labor intensity of the workers;

[0016] 3. In the present invention, by arranging ventilation holes, bottom box, exhaust fan, collecting assembly, collecting drawer, filter plate, slide bar, pressure plate, threaded barrel, threaded push rod, sealing ring, positioning assembly, positioning frame, connecting plate, positioning bolt and clamping semi-open ring, the exhaust fan is started when the device is used, and the exhaust fan draws out the air inside the bottom box. At this time, dust debris and external air enter the inside of the collecting drawer. The design of the collecting assembly can collect the dust debris to prevent the dust debris from affecting the measurement of the injection molded part body. After the device has been used for a period of time, the threaded push rod can be screwed onto the inside of the threaded barrel, the positioning bolt can be rotated to separate the pressure plate semi-open ring from the threaded barrel, the threaded push rod can be pushed to move the clamping plate to clamp the dust debris inside the collecting drawer. At this time, the collecting drawer can be pulled out to clean the dust debris, and the dust generated by the compressed dust debris is greatly reduced, thereby preventing the dust debris from polluting the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 It is a schematic diagram of the structure of the grinding assembly of the present invention;

[0019] Figure 3 This is a schematic diagram of the installation structure of the grinding disc of the present invention;

[0020] Figure 4 This is a schematic diagram of the structure of the connecting components of the storage plate of the present invention;

[0021] Figure 5 This is a schematic diagram of the connecting component structure of the bottom box of the present invention;

[0022] Figure 6 It is a schematic diagram of the installation structure of the threaded push rod of the present invention;

[0023] Figure 7 For the present invention Figure 6 A schematic diagram of the structure at A;

[0024] Figure 8 It is a schematic diagram of the partial disassembly structure of the present invention;

[0025] Fig. 9 It is a schematic diagram of the cross-sectional structure of the positioning frame of the present invention.

[0026] In the figure: 1, storage plate; 2, transparent baffle; 3, electric telescopic rod; 4, scale clamping plate; 5, height scale; 6, injection molded part body; 7, pointer; 8, width scale; 9, grinding assembly; 91, support rod; 92, first electric slide rail; 93, first electric slider; 94, second electric slide rail; 95, second electric slider; 96, lifting rod; 97, grinding assembly; 971, rotating motor; 972, threaded groove; 973, mounting bolt ; 974, connecting tube; 975, round hole; 976, grinding disc; 10, ventilation hole; 11, bottom box; 12, exhaust fan; 13, collecting assembly; 131, collecting drawer; 132, filter plate; 133, slide bar; 134, pressing plate; 135, threaded tube; 136, threaded push rod; 137, sealing ring; 138, positioning assembly; 1381, positioning frame; 1382, connecting plate; 1383, positioning bolt; 1384, tightening semi-open ring. DETAILED DESCRIPTION

[0027] Embodiment 1:

[0028] See also Figure 1-9 , the present invention provides a technical solution:

[0029] A measuring jig for injection molded parts inspection comprises a storage plate 1, a transparent baffle 2 is fixedly connected to the top of the storage plate 1, an electric telescopic rod 3 which is horizontally arranged and fixedly connected to the transparent baffle 2 is symmetrically arranged on the inner wall of the inner side of the transparent baffle 2, a horizontally arranged scale clamping plate 4 is fixedly connected to the output end of the electric telescopic rod 3, a vertically arranged height scale 5 is fixedly connected to the top of the scale clamping plate 4, an injection molded part body 6 located at the top of the storage plate 1 is arranged on the side of the scale clamping plate 4 away from the electric telescopic rod 3, a pointer 7 located outside the transparent baffle 2 is fixedly connected to the front end of the scale clamping plate 4, and a pointer 7 is located below the pointer 7. A width scale 8 is horizontally arranged and fixedly connected to the front side of the transparent baffle 2, and a polishing assembly 9 is provided above the injection molded body 6. When the injection molded body 6 needs to be measured, the injection molded body 6 is placed in the middle of the top of the storage plate 1, and the electric telescopic rod 3 is started until the scale clamping plate 4 is tightly fitted with the injection molded body 6. At this time, the length, width and height of the injection molded body 6 can be determined respectively by the indications of the width scale 8, the scale clamping plate 4 and the height scale 5. This design can determine the size of the injection molded body 6 while positioning the injection molded body 6, thereby improving work efficiency.

[0030] The grinding assembly 9 includes a support rod 91 which is vertically arranged and fixedly connected to the top of the storage plate 1, a first electric slide rail 92 which is horizontally arranged is fixedly connected to the top of the support rod 91, a first electric slider 93 which is slidably connected to the inner side of the first electric slide rail 92, a second electric slider 95 which is horizontally arranged is fixedly connected to the bottom end of the first electric slider 93, a second electric slider 95 which is slidably connected to the inner side of the second electric slide rail 94, a vertically arranged lifting rod 96 which is fixedly connected to the bottom end of the second electric slider 95, a grinding assembly 97 which is installed at the bottom end of the lifting rod 96, and a rotating motor 971 which is fixedly connected to the bottom end of the lifting rod 96, a thread groove 972 which is symmetrically provided on the outer surface of the output shaft of the rotating motor 971, a mounting bolt 973 which is spirally connected to the inner side of the thread groove 972, and a rotating motor 971 which is fixedly connected to the bottom end of the lifting rod 96. A connecting cylinder 974 is provided on the outside of the output shaft, and a circular hole 975 that passes through the connecting cylinder 974 is symmetrically opened on the outside of the connecting cylinder 974, and the mounting bolt 973 is located on the inner side of the circular hole 975. A grinding disc 976 is fixedly connected to the bottom end of the connecting cylinder 974. When the device is in use, the output shaft of the rotating motor 971 drives the grinding disc 976 to rotate, and the output shaft of the lifting rod 96 moves to drive the grinding disc 976 to descend until the grinding disc 976 contacts the top of the injection molded part body 6. The first electric slider 93 slides on the inside of the first electric slide rail 92 at the top of the support rod 91, and the second electric slider 95 slides on the inside of the second electric slide rail 94. The grinding disc 976 can grind the injection molded part body 6. The setting of the grinding component 9 can replace the workers to grind the injection molded part body 6, thereby reducing the labor intensity of the workers.

[0031] A ventilation hole 10 is provided inside the storage board 1 and penetrates the storage board 1 from top to bottom. A bottom box 11 with an opening facing upward is fixedly connected to the bottom end of the storage board 1. Exhaust fans 12 penetrating the bottom box 11 are symmetrically provided on the left and right sides of the bottom box 11. A collecting assembly 13 is provided inside the bottom box 11. The collecting assembly 13 includes a collecting drawer 131 slidably connected to the inside of the bottom box 11 and penetrating the bottom box 11. A filter plate 132 penetrating the collecting drawer 131 is fixedly connected to the bottom end of the collecting drawer 131. A symmetrically arranged sliding bar 133 is fixedly connected to the inner wall of the inner side of the collecting drawer 131. A horizontally arranged pressing plate 134 is provided inside the collecting drawer 131. A symmetrically arranged sliding bar 133 is provided on the front side of the pressing plate 134. A threaded cylinder 135 is fixedly connected to the front side, a threaded push rod 136 is spirally connected to the inner side of the threaded cylinder 135, a sealing ring 137 is arranged on the outer side of the threaded cylinder 135, a positioning assembly 138 installed on the front side of the collection drawer 131 is arranged on the front side of the sealing ring 137, the positioning assembly 138 comprises a positioning frame 1381 fixedly connected to the front side of the collection drawer 131, a symmetrically arranged connecting plate 1382 is slidably connected to the inner side of the positioning frame 1381, a positioning bolt 1383 which penetrates the positioning frame 1381 and is spirally connected to the positioning frame 1381 is rotatably connected to one side of the connecting plate 1382, a tightening semi-open ring 1384 is fixedly connected between the two connecting plates 1382, and the ventilation hole 10 is There are multiple ventilating holes 10 evenly distributed on the top of the storage plate 1, there are multiple exhaust fans 12, and the exhaust fans 12 are evenly distributed on the outside of the bottom box 11. The outside of the pressure plate 134 fits tightly with the inside of the collection drawer 131, and the connection mode between the pressure plate 134 and the slide bar 133 is a sliding connection. The threaded cylinder 135 penetrates the collection drawer 131 and is slidably connected with the collection drawer 131. The outside of the sealing ring 137 fits tightly with the inside of the threaded cylinder 135. The sealing ring 137 is fixedly connected to the front side of the collection drawer 131, and the inner side of the compressed semi-open ring 1384 fits tightly with the outer side of the threaded cylinder 135. When the device is used, the exhaust fans 12 are started, and the exhaust fans 12 push the bottom box 11 The air inside is extracted, at this time, dust debris and external air enter the inside of the collecting drawer 131. The design of the collecting component 13 can collect dust debris to prevent dust debris from affecting the measurement of the injection molded part body 6. After the device has been used for a period of time, the threaded push rod 136 can be screwed onto the inside of the threaded barrel 135, and the positioning bolt 1383 is rotated to separate the semi-open ring of the pressure plate 134 from the threaded barrel 135. The threaded push rod 136 is pushed to move the clamping plate to compact the dust debris inside the collecting drawer 131. At this time, the collecting drawer 131 can be pulled out to clean the dust debris, and the dust generated by the compacted dust debris is greatly reduced, thereby preventing dust debris from polluting the environment.

[0032] Workflow: Before using the equipment, power on the equipment and connect the equipment to the external control device, install the various components on the equipment, first install the grinding component 97, put the connecting cylinder 974 on the outside of the output shaft of the rotating motor 971, and align the round hole 975 with the thread groove 972 horizontally, insert the mounting bolt 973 into the inside of the round hole 975 and screw it into the inside of the thread groove 972 to complete the installation of the grinding disc 976, then insert the collection drawer 131 into the inside of the bottom box 11, pull the threaded push rod 136 to move the pressure plate 134 on the outside of the slide bar 133 until the pressure plate 134 moves to the front end of the inner side of the collection drawer 131, and then rotate the threaded push rod 136 to disengage the threaded push rod 136 from the threaded cylinder 135 to prevent the threaded push rod 136 from affecting the operator. The positioning bolt 1383 on the positioning frame 1381 is then rotated, and the positioning bolt 1383 is rotated and moved to drive the connecting plate 1382 to slide inside the positioning frame 1381 until the inner side of the semi-open ring 1384 is pressed tightly against the outer side of the threaded tube 135. The positioning assembly 138 is arranged to position the threaded tube 135 and the pressing plate 134 to prevent the pressing plate 134 from moving during the use of the device. When the injection molding body 6 needs to be measured, the injection molding body 6 is placed in the middle of the top of the storage plate 1, and the electric telescopic rod 3 is started. The output shaft of the electric telescopic rod 3 extends to drive the scale pressing plate 4 to move, and the pointer 7 moves outside the transparent baffle frame 2 until the scale pressing plate 4 is close to the side of the injection molding body 6 and is tightly fitted with the injection molding body 6. The first electric slide 92, the second electric slide 94, the lifting rod 96 and the rotating motor 971 are respectively started. The output shaft of the rotating motor 971 drives the grinding disc 976 to rotate, and the output shaft of the lifting rod 96 moves to drive the grinding disc 976 to descend until the grinding disc 976 contacts the top of the injection molded body 6. The first electric slider 93 slides inside the first electric slide 92 at the top of the support rod 91, and the second electric slider 95 slides inside the second electric slide 94. The grinding disc 976 can grind the injection molded body 6. The setting of the grinding component 9 can replace the workers to grind the injection molded body 6, thereby reducing the labor intensity of the workers. At this time, the width scale 8 can be read by the position of the pointer 7. The width of the injection molded part body 6 is determined by the indications, and the length and width of the injection molded part body 6 are determined by the indications of the scale clamping plate 4 and the height scale 5 respectively. This design can determine the size of the injection molded part body 6 while positioning the injection molded part body 6, thereby improving work efficiency. Next, the exhaust fan 12 on the outside of the bottom box 11 is started, and the exhaust fan 12 extracts the air inside the bottom box 11 to make the inside of the bottom box 11 present a negative pressure environment. At this time, the dust and debris generated by the grinding of the injection molded part body 6 at the top of the storage plate 1 is mixed with the outside air and enters the inside of the collection drawer 131 through the ventilation hole 10. The dust and debris stays on the top of the filter plate 132, and the air passes through the filter plate 132 and is discharged through the exhaust fan 12. The design of the collection component 13 can collect the dust and debris.To prevent dust and debris from affecting the measurement of the injection molded part body 6, after the device has been used for a period of time, the collection drawer 131 can be pulled out to clean the dust and debris. However, if the collection drawer 131 is pulled directly, dust and debris may be raised to pollute the environment and endanger the health of the staff. At this time, the threaded push rod 136 can be screwed on the inside of the threaded barrel 135, and the positioning bolt 1383 is turned to separate the semi-open ring of the pressure plate 134 from the threaded barrel 135. The threaded push rod 136 is pushed to move the threaded barrel 135 inside the sealing ring 137. The threaded barrel 135 drives the clamping plate to move and compress the dust and debris inside the collection drawer 131. At this time, the collection drawer 131 can be pulled out to clean the dust and debris. The dust generated by the compressed dust and debris is greatly reduced, thereby preventing dust and debris from polluting the environment.

[0033] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of the present invention, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.

Claims

1. A measuring jig for testing injection molded parts, comprising a storage plate (1), characterized in that: The top of the storage plate (1) is fixedly connected to a transparent baffle frame (2); the inner wall of the transparent baffle frame (2) is symmetrically provided with an electric telescopic rod (3) which is horizontally arranged and fixedly connected to the transparent baffle frame (2); the output end of the electric telescopic rod (3) is fixedly connected to a horizontally arranged scale clamping plate (4); the top of the scale clamping plate (4) is fixedly connected to a vertically arranged height scale (5); the side of the scale clamping plate (4) away from the electric telescopic rod (3) is provided with an injection molded part body (6) located at the top of the storage plate (1); the front end of the scale clamping plate (4) is fixedly connected to a pointer (7) located outside the transparent baffle frame (2); a width scale (8) which is horizontally arranged and fixedly connected to the front side of the transparent baffle frame (2) is provided below the pointer (7); and a grinding component (9) is provided above the injection molded part body (6).

2. The measuring jig for injection molded parts inspection according to claim 1, characterized in that: The grinding assembly (9) comprises a support rod (91) vertically arranged and fixedly connected to the top of the storage plate (1); the top of the support rod (91) is fixedly connected to a first horizontally arranged electric slide rail (92); a first electric slider (93) is slidably connected to the inner side of the first electric slide rail (92); the bottom end of the first electric slider (93) is fixedly connected to a second horizontally arranged electric slide rail (94); the inner side of the second electric slide rail (94) is slidably connected to a second electric slider (95); the bottom end of the second electric slider (95) is fixedly connected to a vertically arranged lifting rod (96); and a grinding assembly (97) is installed at the bottom end of the lifting rod (96).

3. The measuring jig for injection molded parts inspection according to claim 2, characterized in that: The grinding assembly (97) includes a rotating motor (971) fixedly connected to the bottom end of the lifting rod (96), the outer surface of the output shaft of the rotating motor (971) is symmetrically provided with a thread groove (972), the inner side of the thread groove (972) is spirally connected with a mounting bolt (973), the outer side of the output shaft of the rotating motor (971) is provided with a connecting tube (974), the outer side of the connecting tube (974) is symmetrically provided with a circular hole (975) penetrating the connecting tube (974), the mounting bolt (973) is located on the inner side of the circular hole (975), and the bottom end of the connecting tube (974) is fixedly connected with a grinding disc (976).

4. The measuring jig for injection molded parts inspection according to claim 1, characterized in that: A ventilation hole (10) is provided inside the storage plate (1) and passes through the storage plate (1) from top to bottom. A bottom box (11) with an opening facing upward is fixedly connected to the bottom end of the storage plate (1). Exhaust fans (12) passing through the bottom box (11) are symmetrically provided on the left and right sides of the bottom box (11). A collecting assembly (13) is provided inside the bottom box (11).

5. The measuring jig for injection molded parts inspection according to claim 4, characterized in that: The collecting assembly (13) comprises a collecting drawer (131) slidably connected to the inner side of the bottom box (11) and passing through the bottom box (11); a filter plate (132) passing through the collecting drawer (131) is fixedly connected to the bottom end of the collecting drawer (131); a symmetrically arranged sliding bar (133) is fixedly connected to the inner wall of the inner side of the collecting drawer (131); a horizontally arranged pressing plate (134) is provided on the inner side of the collecting drawer (131); a threaded cylinder (135) fixedly connected to the front side of the pressing plate (134) is symmetrically provided on the front side of the pressing plate (134); a threaded push rod (136) is spirally connected to the inner side of the threaded cylinder (135); a sealing ring (137) is provided on the outer side of the threaded cylinder (135); a positioning assembly (138) mounted on the front side of the collecting drawer (131) is provided on the front side of the sealing ring (137).

6. The measuring jig for injection molded parts inspection according to claim 5, characterized in that: The positioning assembly (138) comprises a positioning frame (1381) fixedly connected to the front side of the collection drawer (131); a symmetrically arranged connecting plate (1382) is slidably connected to the inner side of the positioning frame (1381); a positioning bolt (1383) penetrating the positioning frame (1381) and spirally connected to the positioning frame (1381) is rotatably connected to one side of the connecting plate (1382); a tightening semi-open ring (1384) is fixedly connected between the two connecting plates (1382).

7. The measuring jig for injection molded parts inspection according to claim 6, characterized in that: The number of the ventilation holes (10) is multiple, and the ventilation holes (10) are evenly distributed on the top of the storage plate (1); the number of the exhaust fans (12) is multiple, and the exhaust fans (12) are evenly distributed on the outside of the bottom box (11); the outside of the pressure plate (134) is tightly fitted with the inside of the collection drawer (131); the connection mode between the pressure plate (134) and the slide bar (133) is a sliding connection; the threaded tube (135) passes through the collection drawer (131) and is slidingly connected to the collection drawer (131); the outside of the sealing ring (137) is tightly fitted with the inside of the threaded tube (135); the sealing ring (137) is fixedly connected to the front side of the collection drawer (131); and the inside of the clamping semi-open ring (1384) is tightly fitted with the outside of the threaded tube (135).

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