Polishing device for mold machining

Abstract

The polishing device comprises an operation box, a discharging pipe is fixedly connected to a discharging opening in the bottom of the operation box, one end of the discharging pipe is fixedly covered with a pipe cover through a limiting bolt, a first motor is fixedly installed at the top of the operation box, and an output shaft of the first motor is fixedly connected with a first screw rod; a fourth motor is arranged, a first gear and four second gears are meshed to drive four third screws to rotate oppositely until rectangular rods and clamps on the four third screws are driven to move oppositely to clamp a mold; then a second motor drives a grinding roller to rotate at a high speed, and an electric push rod drives a mold clamped on a groove body and a box body to approach to the grinding roller until the rotating grinding roller is in contact with the surface of the clamped mold, so that the grinding operation of the mold is completed, a worker does not need to hold the grinding equipment by hand for grinding operation, time and labor are saved, and the working efficiency is improved. And meanwhile, the mold grinding efficiency is also improved.

Description

Technical field

[0001] The utility model relates to a grinding device, in particular to a grinding device for mold processing. Background technique

[0002] A mold is a variety of molds and tools used in industrial production to obtain the required products through injection molding, blow molding, extrusion, die casting, forging, smelting, stamping and other methods. In short, a mold is a tool used to make formed articles. This tool is composed of various parts, and different molds are composed of different parts. It mainly realizes the processing of the outer shape of the article by changing the physical state of the formed material. It is known as the "mother of industry". During the mold processing process, grinding treatment will be carried out.

[0003] At present, the existing mold grinding method usually involves a person holding a grinding device to perform grinding operations. This method not only increases the workload of the person, but also causes the chips generated by mold grinding to splash everywhere. Therefore, a grinding device for mold processing is proposed to optimize and solve the above problems. Content of the utility model

[0004] The purpose of the utility model is to provide a grinding device for mold processing to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A grinding device for mold processing, comprising an operation box. A discharge pipe is fixedly connected to the discharge port at the bottom of the operation box. One end of the discharge pipe is fixedly covered with a pipe cover through a limit bolt. A first motor is fixedly installed on the top of the operation box. The output shaft of the first motor is fixedly connected to a first screw rod. One end of the first screw rod vertically penetrates the operation box and is rotationally connected to the inner bottom of the operation box through a bearing seat. A through hole for the first screw rod to penetrate and rotate is provided on the operation box. A first slider is sleeved on the first screw rod. A fixing frame is fixedly connected to the outside of the first slider. A second motor is fixedly installed on the inner wall of the fixing frame. The output shaft of the second motor penetrates the fixing frame and is fixedly connected to a grinding roller through a fixing bolt. A vertical plate is fixedly connected to the inner wall of the operation box. A plurality of electric push rods are fixedly installed on the inner wall of the operation box at equal intervals. One end of each of the plurality of electric push rods horizontally penetrates the vertical plate. The push rod ends of the plurality of electric push rods are commonly fixedly connected to a groove body. A third motor is fixedly installed on the inner wall of the groove body. The output shaft of the third motor penetrates the groove body and is fixedly connected to a double-groove pulley. Two second screw rods are symmetrically rotationally connected to the inner wall of the groove body through bearing seats. One end of each of the two second screw rods horizontally penetrates the groove body and is respectively fixedly sleeved with a single-groove pulley. Two second sliders are symmetrically sleeved on the two second screw rods. A box body is fixedly connected to the outside of the two second sliders. A fourth motor is fixedly installed on the outside of the box body. The output shaft of the fourth motor penetrates the box body and is fixedly connected to a first gear. A fixing frame is fixedly connected to the center of the inner wall of the box body. Four third screw rods are rotationally connected to the four sides of the inner wall of the box body through bearing seats. One end of each of the four third screw rods horizontally penetrates the fixing frame and is respectively fixedly connected to a second gear. A rectangular rod is sleeved on each of the four third screw rods. One end of each of the four rectangular rods penetrates the box body and is respectively fixedly connected to a clamp. Box doors are symmetrically arranged on the front surface of the operation box. A control switch is fixedly installed on the front surface of the operation box.

[0007] As a further solution of the present invention: Support legs are symmetrically connected to the bottom of the operation box. Threaded through holes for the threaded connection of the limit bolt are provided on both the pipe cover and the discharge pipe. A threaded through hole for the threaded connection of the first screw rod is provided on the first slider. The outside of the first slider is in fit and sliding connection with the inner wall of the operation box. Two sets of telescopic soft covers are sleeved on the first screw rod. The two ends of the two telescopic soft covers are respectively fixedly connected to the first slider and the inner wall of the operation box.

[0008] As a further solution of the utility model: a through hole for the output shaft of the second motor to penetrate and rotate is provided on the fixing frame, threaded through holes for fixing bolts to be threadedly connected are provided on both the grinding roller and the output shaft of the second motor, a through hole for the electric push rod to penetrate and be fixedly connected is provided on the vertical plate, a through hole for the second screw rod to penetrate and rotate is provided on the trough body, and two single-groove pulleys on the two second screw rods are driven by a belt to be connected with a double-groove pulley on the third motor.

[0009] As a further solution of the utility model: threaded through holes for the two second screw rods to be threadedly connected are provided on both of the two second sliders, a through hole for the output shaft of the fourth motor to penetrate and rotate is provided on the box body, the four second gears are all meshed and connected with the first gear, a through hole for the third screw rod to penetrate and rotate is provided on the fixing frame, threaded through holes for the third screw rod to be threadedly connected are provided on the four rectangular rods, the outer sides of the four rectangular rods are all in contact with and slidably connected to the inner wall of the box body, and a long strip-shaped opening for the rectangular rod to penetrate and slide is provided on the box body.

[0010] As a further solution of the utility model: the box door is made of a transparent material, one side of the box door is hinged to the front surface of the working box through a hinge, and a handle is fixedly connected to the box door.

[0011] As a further solution of the utility model: the first motor, the second motor, the electric push rod, the third motor and the fourth motor are electrically connected to a control switch through wires, and the control switch is electrically connected to an external power supply through wires.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. By arranging the fourth motor, the first gear meshes with the four second gears to drive the four third screw rods to rotate towards each other until the rectangular rods and the clamps on the four third screw rods move towards each other to clamp the mold. Subsequently, the second motor drives the grinding roller to rotate at a high speed, and the electric push rod drives the trough body and the mold clamped on the box body to approach the grinding roller until the rotating grinding roller contacts the surface of the clamped mold, thereby completing the grinding operation of the mold. There is no need for personnel to hold a grinding device for grinding, which not only saves time and effort but also improves the efficiency of mold grinding.

[0014] 2. By setting the first motor to drive the first slider on the first screw rod to move up and down, and by starting the third motor to drive the two second screw rods to rotate synchronously through the transmission connection of the double-groove pulley and the two single-groove pulleys, so as to drive the two second sliders on the two second screw rods to move synchronously back and forth, thereby enabling the grinding roller to move up and down and the box body to move back and forth, thus completing the grinding operation on different positions of the mold. Furthermore, when debris is generated during the grinding of the mold, these debris will fall to the inner bottom of the operation box and be collected through the discharge pipe, thereby avoiding the situation of the debris splashing randomly during the grinding of the mold. Description of the Drawings

[0015] Figure 1 It is a schematic structural diagram of a grinding device for mold processing.

[0016] Figure 2 It is a schematic diagram of a partial structure in the grinding device for mold processing.

[0017] Figure 3 It is a schematic diagram of a partial structure in the grinding device for mold processing.

[0018] Figure 4 It is a front view of the grinding device for mold processing.

[0019] As shown in the figure: operation box 1, discharge pipe 2, pipe cover 3, first motor 4, first screw rod 5, first slider 6, telescopic soft cover 7, fixed frame 8, second motor 9, grinding roller 10, vertical plate 11, electric push rod 12, groove body 13, third motor 14, second screw rod 15, second slider 16, box body 17, fourth motor 18, first gear 19, fixed frame 20, third screw rod 21, second gear 22, rectangular rod 23, fixture 24, box door 25 and control switch 26. Detailed Embodiment

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] Please refer to Figures 1 to 4, in the embodiment of the present utility model, a grinding device for mold processing includes an operation box 1, a discharge pipe 2, a pipe cover 3, a first motor 4, a first screw rod 5, a first slider 6, a telescopic soft cover 7, a fixing frame 8, a second motor 9, a grinding roller 10, a vertical plate 11, an electric push rod 12, a trough body 13, a third motor 14, a second screw rod 15, a second slider 16, a box body 17, a fourth motor 18, a first gear 19, a fixing frame 20, a third screw rod 21, a second gear 22, a rectangular rod 23, a fixture 24, a box door 25 and a control switch 26. Support legs are symmetrically connected to the bottom of the operation box 1. A discharge pipe 2 is fixedly connected to the bottom discharge port of the operation box 1. One end of the discharge pipe 2 is fixedly covered with a pipe cover 3 through a limit bolt. Thread through holes for the threaded connection of the limit bolt are provided on both the pipe cover 3 and the discharge pipe 2. A first motor 4 is fixedly installed on the top of the operation box 1. The output shaft of the first motor 4 is fixedly connected to a first screw rod 5. One end of the first screw rod 5 vertically penetrates the operation box 1 and is rotatably connected to the inner bottom of the operation box 1 through a bearing seat. A through hole for the first screw rod 5 to penetrate and rotate is provided on the operation box 1.

[0022] A first slider 6 is sleeved on the first screw rod 5. A thread through hole for the threaded connection of the first screw rod 5 is provided on the first slider 6. The outer side of the first slider 6 is in contact with and slidably connected to the inner wall of the operation box 1. Two telescopic soft covers 7 are sleeved on the first screw rod 5. The two ends of the two telescopic soft covers 7 are respectively fixedly connected to the first slider 6 and the inner wall of the operation box 1. A fixing frame 8 is fixedly connected to the outer side of the first slider 6. A second motor 9 is fixedly installed on the inner wall of the fixing frame 8. The output shaft of the second motor 9 penetrates the fixing frame 8 and is fixedly connected to a grinding roller 10 through a fixing bolt. A through hole for the output shaft of the second motor 9 to penetrate and rotate is provided on the fixing frame 8. Thread through holes for the threaded connection of the fixing bolt are provided on both the grinding roller 10 and the output shaft of the second motor 9.

[0023] A vertical plate 11 is fixedly connected to the inner wall of the operation box 1. A plurality of electric push rods 12 are fixedly installed on the inner wall of the operation box 1 at equal intervals. One ends of the plurality of electric push rods 12 respectively penetrate through the vertical plate 11 horizontally. Through holes for the electric push rods 12 to penetrate and be fixedly connected are formed on the vertical plate 11. A groove body 13 is fixedly connected to the push rod ends of the plurality of electric push rods 12. A third motor 14 is fixedly installed on the inner wall of the groove body 13. The output shaft of the third motor 14 penetrates through the groove body 13 and is fixedly connected to a double-groove pulley. Two second screw rods 15 are symmetrically rotatably connected to the inner wall of the groove body 13 through bearing seats. One ends of the two second screw rods 15 penetrate through the groove body 13 horizontally and are respectively fixedly sleeved with a single-groove pulley. Through holes for the second screw rods 15 to penetrate and be rotatably connected are formed on the groove body 13. The two single-groove pulleys on the two second screw rods 15 are in transmission connection with the double-groove pulley on the third motor 14 through a belt. Two second sliders 16 are symmetrically sleeved on the two second screw rods 15. Threaded through holes for the two second screw rods 15 to be threadedly connected are formed on the two second sliders 16. A box body 17 is fixedly connected to the outer sides of the two second sliders 16.

[0024] A fourth motor 18 is fixedly installed on the outer side of the box body 17. The output shaft of the fourth motor 18 penetrates through the box body 17 and is fixedly connected to a first gear 19. A through hole for the output shaft of the fourth motor 18 to penetrate and be rotatably connected is formed on the box body 17. A fixed frame 20 is fixedly connected to the center of the inner wall of the box body 17. Four third screw rods 21 are respectively rotatably connected to the four sides of the inner wall of the box body 17 through bearing seats. One ends of the four third screw rods 21 penetrate through the fixed frame 20 horizontally and are respectively fixedly connected to a second gear 22. The four second gears 22 are all meshed with the first gear 19. Through holes for the third screw rods 21 to penetrate and be rotatably connected are formed on the fixed frame 20. A rectangular rod 23 is respectively sleeved on the four third screw rods 21. Threaded through holes for the third screw rods 21 to be threadedly connected are formed on the four rectangular rods 23. The outer sides of the four rectangular rods 23 are all in contact with and slidably connected to the inner wall of the box body 17. One ends of the four rectangular rods 23 penetrate through the box body 17 and are respectively fixedly connected to a clamp 24. A long strip-shaped opening for the rectangular rod 23 to penetrate and be slidably connected is formed on the box body 17. The front surface of the operation box 1 is symmetrically provided with a box door 25. The box door 25 is made of a transparent material. One side of the box door 25 is hinged to the front surface of the operation box 1 through a hinge. A handle is fixedly connected to the box door 25. A control switch 26 is fixedly installed on the front surface of the operation box 1. The first motor 4, the second motor 9, the electric push rods 12, the third motor 14 and the fourth motor 18 are electrically connected to the control switch 26 through wires. The control switch 26 is electrically connected to an external power supply through a wire.

[0025] The working principle of the present utility model is:

[0026] When a grinding device for mold processing is needed, the operator first connects the control switch 26 to an external power supply. Further, by opening the box door 25 and moving the mold to be ground near the box body 17, and then starting the fourth motor 18, the first gear 19 meshes with the four second gears 22, thereby driving the four third screws 21 to rotate towards each other until the rectangular rods 23 and the jigs 24 on the four third screws 21 move towards each other to clamp the mold. Then, close the box door 25 and start the second motor 9 and the electric push rods 12 at the same time. Further, the second motor 9 will drive the grinding roller 10 to rotate at a high speed. Further, the multiple electric push rods 12 will drive the groove body 13 and the mold clamped on the box body 17 to approach the grinding roller 10 until the rotating grinding roller 10 contacts the surface of the clamped mold, thus completing the grinding operation of the mold. Further, the first motor 4 can be started to drive the first slider 6 on the first screw 5 to move up and down, and the third motor 14 can be started to drive the two second screws 15 to rotate synchronously by means of the double-groove pulley and the two single-groove pulleys, thereby driving the two second sliders 16 on the two second screws 15 to move synchronously back and forth, so that the grinding roller 10 moves up and down and the box body 17 moves back and forth, thus completing the grinding operation on different positions of the mold. Furthermore, when debris is generated during the grinding of the mold, these debris will fall to the inner bottom of the working box 1 and be collected through the discharge pipe 2. Subsequently, the pipe cover 3 can be opened for discharging.

[0027] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A grinding device for mold processing, comprising an operation box (1), characterized in that: A discharge pipe (2) is fixedly connected to the bottom discharge port of the operation box (1). One end of the discharge pipe (2) is fixedly covered with a pipe cover (3) through a limit bolt. A first motor (4) is fixedly installed on the top of the operation box (1). The output shaft of the first motor (4) is fixedly connected to a first screw rod (5). One end of the first screw rod (5) vertically penetrates through the operation box (1) and is rotatably connected to the inner bottom of the operation box (1) through a bearing seat. A through hole for the first screw rod (5) to penetrate and rotate is formed in the operation box (1). A first slider (6) is sleeved on the first screw rod (5). A fixed frame (8) is fixedly connected to the outer side of the first slider (6). A second motor (9) is fixedly installed on the inner wall of the fixed frame (8). The output shaft of the second motor (9) penetrates through the fixed frame (8) and is fixedly connected to a grinding roller (10) through a fixing bolt. A vertical plate (11) is fixedly connected to the inner wall of the operation box (1). A plurality of electric push rods (12) are fixedly installed on the inner wall of the operation box (1) at equal intervals. One end of each of the plurality of electric push rods (12) horizontally penetrates through the vertical plate (11). The push rod ends of the plurality of electric push rods (12) are jointly fixedly connected to a trough body (13). A third motor (14) is fixedly installed on the inner wall of the trough body (13). The output shaft of the third motor (14) penetrates through the trough body (13) and is fixedly connected to a double-groove pulley. Two second screw rods (15) are symmetrically rotatably connected to the inner wall of the trough body (13) through bearing seats. One end of each of the two second screw rods (15) horizontally penetrates through the trough body (13) and is respectively fixedly sleeved with a single-groove pulley. Two second sliders (16) are symmetrically sleeved on the two second screw rods (15). A box body (17) is jointly fixedly connected to the outer sides of the two second sliders (16). A fourth motor (18) is fixedly installed on the outer side of the box body (17). The output shaft of the fourth motor (18) penetrates through the box body (17) and is fixedly connected to a first gear (19). A fixed frame (20) is fixedly connected to the center of the inner wall of the box body (17). Four third screw rods (21) are respectively rotatably connected to the four sides of the inner wall of the box body (17) through bearing seats. One end of each of the four third screw rods (21) horizontally penetrates through the fixed frame (20) and is respectively fixedly connected to a second gear (22). A rectangular rod (23) is sleeved on each of the four third screw rods (21). One end of each of the four rectangular rods (23) penetrates through the box body (17) and is respectively fixedly connected to a clamp (24). The front surface of the operation box (1) is symmetrically provided with a box door (25). A control switch (26) is fixedly installed on the front surface of the operation box (1).

2. The grinding device for mold processing according to claim 1, characterized in that: The bottom of the operation box (1) is symmetrically connected with support legs. Thread through holes for the threaded connection of limit bolts are provided on both the pipe cover (3) and the discharge pipe (2). A thread through hole for the threaded connection of the first screw rod (5) is provided on the first slider (6). The outer side of the first slider (6) is in contact with and slidably connected to the inner wall of the operation box (1). Two sets of telescopic soft covers (7) are sleeved on the first screw rod (5). The two ends of the two telescopic soft covers (7) are respectively fixedly connected to the first slider (6) and the inner wall of the operation box (1).

3. The grinding device for mold processing according to claim 1, characterized in that: A through hole for the output shaft of the second motor (9) to pass through and be rotatably connected is provided on the fixed frame (8). Thread through holes for the threaded connection of fixing bolts are provided on both the grinding roller (10) and the output shaft of the second motor (9). A through hole for the electric push rod (12) to pass through and be fixedly connected is provided on the vertical plate (11). A through hole for the second screw rod (15) to pass through and be rotatably connected is provided on the trough body (13). The two single-groove pulleys on the two second screw rods (15) are drivenly connected to the double-groove pulley on the third motor (14) through a belt.

4. The grinding device for mold processing according to claim 1, wherein: Thread through holes for the two second screw rods (15) to be threaded are provided on the two second sliders (16). A through hole for the output shaft of the fourth motor (18) to pass through and be rotatably connected is provided on the box body (17). The four second gears (22) are all meshed with the first gear (19). A through hole for the third screw rod (21) to pass through and be rotatably connected is provided on the fixed frame (20). Thread through holes for the third screw rod (21) to be threaded are provided on the four rectangular rods (23). The outer sides of the four rectangular rods (23) are in contact with and slidably connected to the inner wall of the box body (17). A long strip-shaped opening for the rectangular rod (23) to pass through and be slidably connected is provided on the box body (17).

5. The grinding device for mold processing according to claim 1, characterized in that: The box door (25) is made of a transparent material. One side of the box door (25) is hinged to the front surface of the operation box (1) through a hinge. A handle is fixedly connected to the box door (25).

6. The grinding device for mold processing according to claim 1, characterized in that: The first motor (4), the second motor (9), the electric push rod (12), the third motor (14) and the fourth motor (18) are electrically connected to the control switch (26) through wires. The control switch (26) is electrically connected to an external power supply through a wire.

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