Plastic mold machining grinding machine

Abstract

The invention belongs to the technical field of plastic mold machining grinding machines, and particularly relates to a plastic mold machining grinding machine which comprises a bottom plate. A conveying table assembly used for positioning a blank of a plastic mold is arranged at the top of the bottom plate, the conveying table assembly is movably sleeved with a multi-angle drill bit assembly used for carving the blank of the plastic mold, and when the conveying table assembly is used for positioning the blank of the plastic mold, the multi-angle drill bit assembly is used for carving the blank of the plastic mold. According to the multi-angle drill bit assembly capable of rotating or horizontally moving, a blank of a plastic mold can be moved up and down in the carving process, the blank of the plastic mold moving up and down is used in cooperation with the multi-angle drill bit assembly capable of rotating or horizontally moving, and the machining accuracy of the blank of the plastic mold is improved; and after the conveying table assembly is obliquely arranged, the angle of the blank of the machined plastic mold is switched, so that technicians can accurately analyze the plastic mold conveniently, and different requirements of mold machining are met.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of plastic mold processing grinding machines, in particular to a plastic mold processing grinding machine. BACKGROUND

[0002] The existing plastic mold blank, as part of the plastic mold processing, the core goal of the whole process is: efficiently and accurately process a square or circular plastic mold into the basic shape of the core part of the mold (mold core / cavity, slider, etc.) by removing a large amount of excess material, to prepare for subsequent finishing (such as fine milling, electrical discharge, polishing). The blank processing is the link with the largest material removal and the deepest impact on subsequent processes in the entire mold manufacturing process.

[0003] After searching, the existing technology, China patent publication number CN221849593U, authorized announcement date: 2024-10-18, discloses a planer grinding machine for processing plastic parts. It includes a grinding machine base, the top of the grinding machine base is fixed with an operation table, the surface of the operation table is provided with a sliding groove, the upper part of the operation table is provided with a fixing mechanism, the fixing mechanism includes a support fixed in the base, the middle of the clamping block clamps a plastic part body, and the upper end of the grinding machine base is provided with a grinding mechanism. The planer grinding machine for processing plastic parts provided in the application can quickly clamp and fix the plastic part by starting the hydraulic cylinder, the two hinge rods at both ends of the hydraulic cylinder are forced to rotate around the support shaft and slide in the sliding groove of the operation table, the two hinge rods drive the connecting rod to slide in the support rod and drive the clamping block to slide inward at the same time, so that the plastic part is clamped and fixed, the plastic part can be quickly positioned to avoid movement or tilting during grinding, reduce the production of unqualified plastic parts, and cause the waste of materials.

[0004] But the device still has the following defects: although it can rotate according to the mold to be processed, it can realize automatic processing well, but during the processing process, it cannot realize precise displacement and synchronous processing of double-sided multi-angle during automatic processing of the plastic mold blank, and cannot meet the requirements of existing molds. SUMMARY

[0005] In view of the above problems, the present application provides a plastic mold processing grinding machine, comprising a bottom plate; the top of the bottom plate is provided with a conveying table assembly for positioning the blank of the plastic mold, a multi-angle drill bit assembly for engraving the blank of the plastic mold is movably sleeved on the conveying table assembly, and the multi-angle drill bit assembly moves horizontally or rotates along the conveying table assembly, one end of the conveying table assembly is provided with a first lateral support assembly, and the other end of the conveying table assembly is provided with a second lateral support assembly, the top of the bottom plate is fixedly connected with two groups of first electric push rods, and the output ends of the two groups of first electric push rods are rotatably connected with bearings, the top of the bearing is fixedly connected with a linkage arm, and the linkage arm is fixedly connected to the bottom end of the conveying table assembly, so that the conveying table assembly is inclined during the downward movement of the output end of one group of first electric push rods, thereby facilitating the observation of the processing condition of the plastic mold by the technician.

[0006] Further, the conveying table assembly comprises a linkage plate; the bottom end of the linkage plate is fixedly connected with four groups of hinge seats, two groups of hinge seats are rotatably connected with a lower plate between them, the top of the lower plate is fixedly connected with a horizontal plate, the lower plate is provided with a positioning hole, the inner wall of the positioning hole is movably connected with a horizontal positioning rod, the bottom end of the linkage plate is further fixedly connected with a first motor on both sides, the both side walls of the linkage plate are further connected with a linkage housing, the linkage housing is provided with a first screw rod, one end of the first screw rod is drivingly connected with a second motor, the surface of the linkage plate is provided with a lifting inner cavity, and the inner wall of the lifting inner cavity is slidingly connected with a displacement plate.

[0007] Further, the both sides of the displacement plate are threadedly connected with a second screw rod, one end of the second screw rod is rotatably connected to one side of the inner wall of the lifting inner cavity, and the other end of the second screw rod is drivingly connected with the output end of the first motor, the surface of the displacement plate is provided with a positioning cavity, the both sides of the inner wall of the positioning cavity are connected with a positioning block, one side of the positioning block is drivingly connected with the output end of the air cylinder, and the side of the air cylinder away from the output end is embeddedly installed on the displacement plate.

[0008] Further, one side wall of the linkage housing is provided with a first internal thread hole, and the first internal thread hole is threadedly connected with the first screw rod, the outer wall of the linkage housing and the side away from the first internal thread hole are provided with an adjusting groove, the inner wall of the adjusting groove is rotatably connected with a driving gear, the outer wall of the linkage housing is further fixedly connected with a third motor, and the output end of the third motor is drivingly connected with the driving gear, one side of the driving gear is further meshingly connected with a driven gear, the both sides of the driven gear are rotatably connected with a driving bracket, and the other end of the driving bracket is fixedly connected to the outer wall of the linkage housing.

[0009] Further, the multi-angle drill bit assembly comprises a first positioning ring; a second positioning ring is horizontally arranged on one side of the first positioning ring; the outer wall of the first positioning ring and the outer wall of the second positioning ring are fixedly connected with protective rings; and a gap is reserved between the first positioning ring and the second positioning ring.

[0010] Further, the inner wall of the protective ring is fixedly connected with an inner gear ring; the inner gear ring is meshingly connected with a driven gear; the driven gear is also slidingly connected at the gap between the first positioning ring and the second positioning ring; and four groups of limiting blocks are fixedly connected between the first positioning ring and the second positioning ring.

[0011] Further, a carving drill bit is arranged between every two groups of limiting blocks; one end of the carving drill bit is drivingly connected with the output end of a second electric push rod; the side, away from the output end, of the second electric push rod is embeddedly installed on the outer wall of the protective ring; and a reinforcing rod is arranged between the outer wall of the second electric push rod and the outer wall of the protective ring.

[0012] Further, the first lateral support assembly comprises a first side plate; the first side plate is fixedly connected on one side of a linkage plate; two groups of hollow sliding cavities are formed in the outer wall of the first side plate; two groups of mounting holes are also formed in the outer wall of the first side plate; two groups of the mounting holes are sleeved on the first screw rod; and the outer wall of the first side plate is fixedly connected with the side wall, close to the output end, of a second motor.

[0013] Further, the inner wall of each of the two groups of hollow sliding cavities is installed with a linkage cylinder; guide grooves are formed in the two side walls of the linkage cylinder; the guide grooves are slidingly and tightly connected in the inner wall of the hollow sliding cavity; a second inner threaded hole is formed in the outer wall of the linkage cylinder; the second inner threaded hole is threadedly connected with the first screw rod; one end of the linkage cylinder is of an open structure; a fifth motor is fixedly connected in the inner wall of the linkage cylinder at the center of the central axis; an eccentric rod is drivingly connected with the output end of the fifth motor; and a gas pump is fixedly connected to the other end of the eccentric rod.

[0014] Further, the second lateral support assembly comprises a second side plate; the second side plate is fixedly connected on the other side of the linkage plate; a receiving channel is formed in the outer wall of the second side plate; two groups of feeding inclined plates are fixedly connected on one side of the outer wall of the second side plate; vertical plates are fixedly connected between the side wall of each of the two groups of feeding inclined plates and the outer wall of the second side plate; and the bottom of each of the two groups of vertical plates and the bottom of each of the two groups of feeding inclined plates are horizontally arranged with the top surface of the linkage plate.

[0015] The beneficial effects of the present application are: 1. The application is a device for positioning the plastic mold blank and enabling the plastic mold blank to move up and down during engraving, which improves the processing accuracy of the plastic mold blank, and the device is tilted after the output end of a group of first electric push rods is lifted, the angle of the processed plastic mold blank is switched, which facilitates technicians to accurately analyze the plastic mold and meets different needs of mold processing.

[0016] 2. The positioning cavity is used to place the plastic mold blank that needs to be processed, and the two groups of lower plates and horizontal plates are used to block the two sides of the bottom end of the inner wall of the lifting inner cavity during the process of rotating connection with the hinge seat, and the horizontal positioning rod is inserted into the positioning hole, which can lock the two groups of lower plates horizontally, and the two groups of lower plates can support the bottom of the plastic mold blank that needs to be processed, and the output end of the cylinder pushes the positioning block to move horizontally, which can horizontally clamp the two sides of the plastic mold blank, and improves the stability of the two-way clamping and displacement process.

[0017] 3. The output end of the first motor drives one end of the second screw to rotate, and the displacement plate connected with the second screw is displaced in the lifting inner cavity, which drives the plastic mold blank to lift, and is used to adjust the distance between the upper and lower surfaces of the plastic mold blank and the engraving drill bit on both sides, which can make up for the lack of precision in the synchronous processing of the upper and lower surfaces of the plastic mold blank.

[0018] 4. The output end of the second motor drives the first screw to rotate, which is screwed in the first internal thread hole, and is used to drive the linkage shell to move horizontally along the radial direction of the first screw, and in this process, the driven gear is movably connected in the gap between the first positioning ring and the second positioning ring, which can drive the entire multi-angle drill bit assembly to move horizontally synchronously, and the horizontally moving multi-angle drill bit assembly can move to different positions on the upper and lower surfaces of the plastic mold blank.

[0019] Other features and advantages of the application will be set forth in the following description, and in part will become apparent to those skilled in the art from the description, or can be learned by practice of the application. The objects and other advantages of the application can be realized and obtained by the structure indicated in the specification, claims and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to make the technical solutions in the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the embodiments or prior art description will be briefly introduced. Obviously, the accompanying drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 The structural schematic diagram of the plastic mold processing grinding machine is shown. Figure 2 The structural front view of the plastic mold processing grinding machine is shown. Figure 3 The connection schematic diagram of the bottom plate and the linkage arm is shown. Figure 4 The connection schematic diagram of the conveying table assembly and the multi-angle drill bit assembly is shown. Figure 5 The structural schematic diagram of the conveying table assembly is shown. Figure 1 Figure 6 The structural schematic diagram of the conveying table assembly is shown. Figure 2 Figure 7 The structural schematic diagram of the displacement plate is shown. Figure 8 The structural schematic diagram of the conveying table assembly is shown. Figure 9 The structural schematic diagram of the linkage housing is shown. Figure 10 The structural schematic diagram of the multi-angle drill bit assembly is shown. Figure 11 The structural schematic diagram of the multi-angle drill bit assembly is shown. Figure 12 The structural schematic diagram of the first lateral support assembly is shown. Figure 13 The structural schematic diagram of the linkage cylinder is shown. Figure 14 The structural schematic diagram of the second lateral support assembly is shown.

[0022] ​​In the figure: 1, bottom plate; 2, conveying table assembly; 21, linkage plate; 22, hinge seat; 23, lower plate; 24, horizontal plate; 25, positioning hole; 26, first motor; 27, horizontal positioning rod; 28, linkage housing; 29, first lead screw; 210, second motor; 211, displacement plate; 212, second lead screw; 213, positioning cavity; 214, positioning block; 215, air cylinder; 216, lifting inner cavity; 217, first internal thread hole; 218, adjusting groove; 219, driving gear; 220, third motor; 221, driven gear; 222, driving support; 3, multi-angle drill bit assembly; 31, first positioning ring; 32, second positioning ring; 33, protective ring; 34, inner gear ring; 35, limiting stopper; 36, engraving drill bit; 37, second electric push rod; 38, reinforcing rod; 4, first lateral support assembly; 41, first side plate; 42, hollow sliding cavity; 43, mounting hole; 44, linkage cylinder; 45, third lead screw; 46, fourth motor; 47, second internal thread hole; 48, guide groove; 49, fifth motor; 410, eccentric rod; 411, air pump; 5, second lateral support assembly; 51, second side plate; 52, storage channel; 53, feeding inclined plate; 54, vertical plate; 6, first electric push rod; 7, bearing; 8, linkage arm. DETAILED DESCRIPTION

[0023] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0024] The embodiments of the present application provide a plastic mold processing grinding machine, which comprises a bottom plate 1. Figure 1 , Figure 2 , Figure 3 and Figure 4 .

[0025] The top of the bottom plate 1 is provided with a conveying table assembly 2 for positioning the embryo of the plastic mold, a multi-angle drill bit assembly 3 for engraving the embryo of the plastic mold is movably sleeved on the conveying table assembly 2, and the multi-angle drill bit assembly 3 moves horizontally or rotates along the conveying table assembly 2. One end of the conveying table assembly 2 is provided with a first lateral support assembly 4, and the other end of the conveying table assembly 2 is provided with a second lateral support assembly 5. The top of the bottom plate 1 is fixedly connected with two groups of first electric push rods 6, and the output ends of the two groups of first electric push rods 6 are rotatably connected with bearings 7. The top of the bearing 7 is fixedly connected with a linkage arm 8, and the linkage arm 8 is fixedly connected to the bottom end of the conveying table assembly 2. During the downward movement of the output end of one group of first electric push rods 6, the conveying table assembly 2 is inclined to facilitate the observation of the processing of the plastic mold by the technician.

[0026] Specifically, the conveying table assembly 2 can position the embryo of the plastic mold and also displace the embryo of the plastic mold up and down during engraving, so that the embryo of the plastic mold displaced up and down is used in cooperation with the multi-angle drill bit assembly 3 rotating or moving horizontally, improving the processing accuracy of the embryo of the plastic mold. After processing is completed, the output end of one group of first electric push rods 6 is lifted to incline the conveying table assembly 2, and the angle of the embryo of the processed plastic mold is switched to facilitate the technician to accurately analyze the plastic mold.

[0027] The conveying table assembly 2 comprises a linkage plate 21. For example, Figure 5 、 Figure 6 、 Figure 7 、 Figure 8 and Figure 9 .

[0028] The bottom end of the linkage plate 21 is fixedly connected with four groups of hinge seats 22, and the hinge seats 22 are rotatably connected with a lower plate 23 between each two groups. The top of the lower plate 23 is fixedly connected with a horizontal plate 24. The lower plate 23 is provided with a positioning hole 25. The inner wall of the positioning hole 25 is movably connected with a horizontal positioning rod 27. The bottom end of the linkage plate 21 is further fixedly connected with a first motor 26 on both sides. The two side walls of the linkage plate 21 are movably connected with a linkage housing 28. The linkage housing 28 is provided with a first screw rod 29. One end of the first screw rod 29 is drivingly connected with a second motor 210. The surface of the linkage plate 21 is provided with a lifting inner cavity 216, and the inner wall of the lifting inner cavity 216 is slidingly connected with a displacement plate 211. Both sides of the displacement plate 211 are threadedly connected with the second lead screw 212, one end of the second lead screw 212 is rotatably connected to the inner wall of the lifting inner cavity 216, and the other end of the second lead screw 212 is drivingly connected with the output end of the first motor 26, the surface of the displacement plate 211 is provided with a positioning cavity 213, the inner wall of the positioning cavity 213 is connected with a positioning block 214, one side of the positioning block 214 is drivingly connected with the output end of the air cylinder 215, and the side of the air cylinder 215 away from the output end is embeddedly installed on the displacement plate 211. The side wall of the linkage shell 28 is provided with a first internal threaded hole 217, and the first internal threaded hole 217 is threadedly connected with the first lead screw 29, the outer wall of the linkage shell 28 and away from the first internal threaded hole 217 is provided with an adjusting groove 218, the inner wall of the adjusting groove 218 is rotatably connected with a driving gear 219, the outer wall of the linkage shell 28 is also fixedly connected with a third motor 220, and the output end of the third motor 220 is drivingly connected with the driving gear 219, one side of the driving gear 219 is also meshingly connected with a driven gear 221, the two sides of the driven gear 221 are rotatably connected with a driving bracket 222, and the other end of the driving bracket 222 is fixedly connected to the outer wall of the linkage shell 28.

[0029] The multi-angle drill bit assembly 3 comprises a first positioning ring 31; as shown in Figure 10 and Figure 11 .

[0030] One side of the first positioning ring 31 is horizontally provided with a second positioning ring 32, the outer wall of the first positioning ring 31 and the second positioning ring 32 are fixedly connected with a protective ring 33, a gap is reserved between the first positioning ring 31 and the second positioning ring 32, the inner wall of the protective ring 33 is fixedly connected with an inner gear ring 34, the inner gear ring 34 is meshingly connected with the driven gear 221, and the driven gear 221 is also slidingly connected at the gap between the first positioning ring 31 and the second positioning ring 32, four groups of limiting stoppers 35 are fixedly connected between the first positioning ring 31 and the second positioning ring 32, a carving drill bit 36 is arranged between every two groups of limiting stoppers 35, one end of the carving drill bit 36 is drivingly connected with the output end of a second electric push rod 37, and the side of the second electric push rod 37 away from the output end is embeddedly installed on the outer wall of the protective ring 33, a reinforcing rod 38 is further arranged between the outer wall of the second electric push rod 37 and the outer wall of the protective ring 33.

[0031] Further, the carving drill bit 36 comprises a sharp head, a stepping motor and a jet head, the sharp head is connected with the rotating shaft of the stepping motor, and the jet direction of the jet head points to the sharp head.

[0032] The first lateral support assembly 4 comprises a first side plate 41; as shown inFigure 12 and Figure 13 as shown.

[0033] The first side plate 41 is fixedly connected to one side of the linkage plate 21, the outer wall of the first side plate 41 is provided with two groups of hollow sliding cavities 42, the outer wall of the first side plate 41 is also provided with two groups of mounting holes 43, two groups of the mounting holes 43 are sleeved on the first lead screw 29, the outer wall of the first side plate 41 is also fixedly connected with the side wall of the second motor 210 close to the output end, the inner walls of two groups of the hollow sliding cavities 42 are both provided with linkage barrels 44, the two side walls of the linkage barrel 44 are both provided with guide grooves 48, and the guide grooves 48 are horizontally and slidingly connected to the inner walls of the hollow sliding cavities 42, the outer wall of the linkage barrel 44 is provided with a second internal thread hole 47, and the second internal thread hole 47 is threadedly connected with the first lead screw 29, one end of the linkage barrel 44 is of an open structure, and the inner wall of the linkage barrel 44 is fixedly connected with a fifth motor 49 at the central axis center, the output end of the fifth motor 49 is drivingly connected with an eccentric rod 410, and the other end of the eccentric rod 410 is fixedly connected with an air pump 411.

[0034] The second lateral support assembly 5 comprises a second side plate 51; for example, Figure 14 as shown.

[0035] The second side plate 51 is fixedly connected to the other side of the linkage plate 21, the outer wall of the second side plate 51 is provided with a receiving channel 52, one side of the outer wall of the second side plate 51 is fixedly connected with two groups of feeding inclined plates 53, one side wall of two groups of the feeding inclined plates 53 and the outer wall of the second side plate 51 are both fixedly connected with vertical plates 54, and the bottom of two groups of the vertical plates 54 and two groups of the feeding inclined plates 53 are both arranged in the same horizontal with the top surface of the linkage plate 21.

[0036] Specifically, the positioning cavity 213 is used for placing the plastic mold embryo material to be processed, and then the two groups of lower plates 23 and the horizontal plate 24 are used to block the two sides of the bottom end of the inner wall of the lifting inner cavity 216 in the process of being connected to the hinge seat 22, and the horizontal positioning rod 27 is penetrated in the positioning hole 25, which can horizontally lock the two groups of lower plates 23, so that the two groups of lower plates 23 can horizontally support the bottom of the plastic mold embryo material to be processed, and the output end of the air cylinder 215 pushes the positioning block 214 to move horizontally, so that the two sides of the plastic mold embryo material are horizontally clamped; The output end of the first motor 26 drives one end of the second lead screw 212 to rotate, causing the displacement plate 211 threadedly connected to the second lead screw 212 to move within the lifting inner cavity 216, thereby driving the plastic mold blank to be lifted and lowered. This is used to adjust the distance between the upper and lower surfaces of the plastic mold blank and the engraving drill bits 36 on both sides, which can compensate for the lack of precision in traditional processing equipment during the synchronous processing of the upper and lower surfaces of the plastic mold blank. The output end of the second motor 210 drives the first lead screw 29 to rotate, so that it is threaded into the first internal thread hole 217, which is used to drive the linkage housing 28 to move horizontally along the radial direction of the first lead screw 29. During this process, the driven gear 221 is movably engaged in the gap between the first positioning ring 31 and the second positioning ring 32, which can synchronously drive the entire multi-angle drill bit assembly 3 to move horizontally, so that the horizontally moving multi-angle drill bit assembly 3 moves to different positions above and below the plastic mold blank. The output end of the third motor 220 can also drive the drive gear 219 to rotate, so that the driven gear 221 drives the internal gear ring 34 during rotation, so that the two sets of engraving drill bits 36 rotate synchronously. This is used to adjust the angle between the two sets of engraving drill bits 36 and the upper and lower surfaces of the plastic mold blank. Then, the output end of the second electric push rod 37 drives the engraving drill bit 36 ​​on the adjacent side to move, so that the moving engraving drill bit 36 ​​gradually approaches different surfaces of the plastic mold blank, in order to achieve the purpose of multi-angle dual processing of the plastic mold blank. The output end of the fifth motor 49 drives the eccentric rod 410 and the air pump 411 to rotate, causing the air pump 411 to move in a ring along the edge of the port of the linkage cylinder 44, which is used to clean different positions on the upper and lower surfaces of the plastic mold blank during the processing. Then, as the output end of the fourth motor 46 drives the third lead screw 45 to rotate, the linkage cylinder 44 moves horizontally along the radial direction of the third lead screw 45, which is used to expand the cleaning range on the upper and lower surfaces of the plastic mold blank during the processing. The two sets of feeding sloping plates 53 can collect the processing waste at the horizontal position of the top surface of the plastic mold blank, and use the collection channel 52 to centrally process the collected plastic waste, so as to reduce the pollution of the plastic mold processing environment.

[0037] The working principle of the plastic mold processing grinding machine proposed in this embodiment of the invention is as follows: By positioning the cavity 213 for placing the plastic mold embryo material needs to be processed, and then use the lower plate 23 with hinge seat 22 rotationally connected process, the two groups of lower plate 23 and horizontal plate 24 to the bottom of the two sides of the inner wall of the lifting inner cavity 216 are sealed, and the horizontal positioning rod 27 is penetrated in the positioning hole 25, which can lock the two groups of lower plate 23 horizontally, so that the two groups of lower plate 23 can support the bottom of the plastic mold embryo material to be processed, and the output end of the cylinder 215 pushes the positioning block 214 to move horizontally, which can horizontally clamp the two sides of the plastic mold embryo material; The output end of the first motor 26 drives one end of the second screw 212 to rotate, so that the displacement plate 211 connected with the second screw 212 is displaced in the lifting inner cavity 216, and the plastic mold embryo material is lifted to adjust the distance between the upper and lower surfaces of the plastic mold embryo material and the two sides of the engraving drill bit 36, which can make up for the lack of precision in the synchronous processing of the upper and lower surfaces of the plastic mold embryo material. The output end of the second motor 210 drives the first screw 29 to rotate, which is screwed in the first internal thread hole 217 to drive the linkage housing 28 to move horizontally along the radial direction of the first screw 29. In this process, the driven gear 221 is movably connected in the gap between the first positioning ring 31 and the second positioning ring 32, which can synchronously drive the entire multi-angle drill bit assembly 3 to move horizontally, so that the horizontally moving multi-angle drill bit assembly 3 moves to different positions on the upper and lower surfaces of the plastic mold embryo material. The output end of the third motor 220 can also drive the driving gear 219 to rotate, which drives the inner gear 221 to rotate, so that the two groups of engraving drill bits 36 rotate synchronously, which is used to adjust the angle between the two groups of engraving drill bits 36 and the upper and lower surfaces of the plastic mold embryo material. The output end of the second electric push rod 37 drives the adjacent side of the engraving drill bit 36 to move, so that the moving engraving drill bit 36 gradually approaches the different surfaces of the plastic mold embryo material, which is used to realize the purpose of multi-angle double processing of the plastic mold embryo material. The output end of the fifth motor 49 drives the eccentric rod 410 and the air pump 411 to rotate, so that the air pump 411 moves in a ring shape along the edge of the port of the linkage cylinder 44, which is used to clean different positions on the upper and lower surfaces of the plastic mold embryo material during processing. The output end of the fourth motor 46 drives the third screw 45 to rotate, which makes the linkage cylinder 44 move horizontally along the radial direction of the third screw 45, which is used to expand the cleaning range of the upper and lower surfaces of the plastic mold embryo material during processing. The two groups of feeding inclined plates 53 can concentrate the processing waste on the horizontal position of the top surface of the plastic mold embryo material, and the collected plastic waste is concentrated by the storage channel 52, which reduces the pollution of the plastic mold processing environment.

[0038] Although the present application has been described in detail with reference to the foregoing embodiments, it should be understood that modifications can be made to the foregoing embodiments, or additional implementations can be implemented, without departing from the spirit and scope of the inventive subject matter. Accordingly, the present application is not limited to the implementations described herein, but is intended to be defined by the claims set forth below, and equivalents thereof.

Claims

1. A plastic mold processing grinding machine, characterized in that: The system includes a base plate; a conveyor assembly for positioning the blank of the plastic mold is provided on the top of the base plate; a multi-angle drill bit assembly for carving the blank of the plastic mold is movably sleeved on the conveyor assembly; the multi-angle drill bit assembly moves horizontally or rotatably along the conveyor assembly; a first lateral support assembly is installed at one end of the conveyor assembly; and a second lateral support assembly is installed at the other end of the conveyor assembly; two sets of first electric push rods are fixedly connected to the top of the base plate; and the output ends of the two sets of first electric push rods are rotatably connected to bearings; a linkage arm is fixedly connected to the top of each bearing; and the linkage arm is fixedly connected to the bottom end of the conveyor assembly; so that as the output ends of the first electric push rods move downward, the conveyor assembly is tilted to facilitate the technician's observation of the processing of the plastic mold.

2. The plastic mold processing grinding machine according to claim 1, characterized in that: The conveyor assembly includes a linkage plate; four sets of hinge seats are fixedly connected to the bottom end of the linkage plate, and a lower plate is rotatably connected between every two sets of hinge seats. A horizontal plate is fixedly connected to the top of the lower plate, and a positioning hole is provided on the lower plate. A horizontal positioning rod is movably fitted to the inner wall of the positioning hole. A first motor is also fixedly connected to both sides of the bottom end of the linkage plate. A linkage housing is fitted to both side walls of the linkage plate. A first lead screw is provided on the linkage housing. A second motor is driven to one end of the first lead screw. A lifting inner cavity is provided on the surface of the linkage plate, and a displacement plate is slidably fitted to the inner wall of the lifting inner cavity.

3. The plastic mold processing grinding machine according to claim 2, characterized in that: Both sides of the displacement plate are threaded with a second lead screw. One end of the second lead screw is rotatably connected to one side of the inner wall of the lifting cavity, and the other end of the second lead screw is driven to the output end of the first motor. The surface of the displacement plate is provided with a positioning cavity. Both sides of the inner wall of the positioning cavity are fitted with positioning blocks. One side of each positioning block is driven to the output end of a cylinder, and the side of the cylinder away from the output end is embedded in the displacement plate.

4. The plastic mold processing grinding machine according to claim 3, characterized in that: A first internal threaded hole is provided on one side wall of the linkage housing, and the first internal threaded hole is threadedly connected to a first lead screw. An adjustment groove is provided on the outer wall of the linkage housing away from the first internal threaded hole. A drive gear is rotatably connected to the inner wall of the adjustment groove. A third motor is also fixedly connected to the outer wall of the linkage housing, and the output end of the third motor is drivenly connected to the drive gear. A driven gear is also meshed on one side of the drive gear. Both sides of the driven gear are rotatably connected to drive brackets, and the other end of each drive bracket is fixedly connected to the outer wall of the linkage housing.

5. The plastic mold processing grinding machine according to claim 1, characterized in that: The multi-angle drill bit assembly includes a first positioning ring; a second positioning ring is horizontally arranged on one side of the first positioning ring, and protective rings are fixedly connected to the outer walls of both the second positioning ring and the first positioning ring, with a gap reserved between the first positioning ring and the second positioning ring.

6. The plastic mold processing grinding machine according to claim 5, characterized in that: An internal gear ring is fixedly connected to the inner wall of the protective ring. The internal gear ring meshes with the driven gear, and the driven gear is also slidably connected to the gap between the first positioning ring and the second positioning ring. Four sets of limit blocks are also fixedly connected between the first positioning ring and the second positioning ring.

7. The plastic mold processing grinding machine according to claim 6, characterized in that: An engraving drill bit is provided between every two sets of the limiting blocks. One end of the engraving drill bit is connected to the output end of a second electric push rod. The side of the second electric push rod away from the output end is embedded in the outer wall of the protective ring. A reinforcing rod is also provided between the outer wall of the second electric push rod and the outer wall of the protective ring.

8. The plastic mold processing grinding machine according to claim 1, characterized in that: The first lateral support assembly includes a first side plate; the first side plate is fixedly connected to one side of the linkage plate, the outer wall of the first side plate has two sets of hollow sliding cavities, the outer wall of the first side plate also has two sets of mounting holes, both sets of mounting holes are fitted onto the first lead screw, and the outer wall of the first side plate is also fixedly connected to the side wall of the second motor near the output end.

9. The plastic mold processing grinding machine according to claim 8, characterized in that: Both sets of hollow sliding cavities are equipped with linkage cylinders on their inner walls. Guide grooves are provided on both side walls of the linkage cylinders, and the guide grooves are horizontally sliding and fitted to the inner walls of the hollow sliding cavities. A second internal threaded hole is provided on the outer wall of the linkage cylinder, and the second internal threaded hole is threadedly connected to the first lead screw. One end of the linkage cylinder is an open structure, and a fifth motor is fixedly connected at the center of the central axis of the inner wall of the linkage cylinder. An eccentric rod is driven and connected to the output end of the fifth motor, and an air pump is fixedly connected to the other end of the eccentric rod.

10. The plastic mold processing grinding machine according to claim 1, characterized in that: The second lateral support assembly includes a second side plate; the second side plate is fixedly connected to the other side of the linkage plate, and a storage channel is provided on the outer wall of the second side plate. Two sets of feeding inclined plates are fixedly connected to one side of the outer wall of the second side plate. Vertical plates are fixedly connected between one side wall of the two sets of feeding inclined plates and the outer wall of the second side plate. The bottoms of the two sets of vertical plates and the two sets of feeding inclined plates are all set at the same level as the top surface of the linkage plate.

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