A cavity milling processing equipment for injection mold manufacturing

Abstract

The present invention relates to the technical field of cavity milling processing, and discloses a cavity milling processing equipment for injection mold manufacturing, including a machine body, a motor connected to the machine body, a protective cover connected to one side of the machine body, a fixed sleeve connected inside the protective cover, a pin block and a deflection frame connected to the outside of the fixed sleeve, a deflection plate rotatably connected to the deflection frame, a lifting column slidably connected inside the fixed sleeve, a through groove is provided on the lifting column, a hook plate is slidably connected to the protective cover, and a traction block is connected to the upper end of the hook plate. The present invention uses a pressing plate to press and fix the mold raw material to ensure that the lower surface of the mold raw material can fit tightly with the work table, and then relies on the positioning block to complete the clamping of both sides of the raw material. The pressing step and the positioning step are performed simultaneously, but are completed successively, which effectively improves the accuracy of the structural position of the mold raw material before processing and avoids the problem of position offset of the internal cavity of the mold during processing.

Description

Technical Field

[0001] The invention relates to the technical field of cavity milling processing, in particular to a cavity milling processing equipment for manufacturing injection molds. Background Art

[0002] Milling is a mechanical processing method that uses a milling cutter as a tool to process the surface of an object. CNC lathes can process complex rotating body shapes. Milling is to fix the blank and use a high-speed rotating milling cutter to cut out the required shape and features. Traditional milling is mostly used to mill simple shape features such as contours and grooves. CNC milling machines can process complex shapes and features. When choosing CNC milling processing content, the advantages and key role of CNC milling machines should be fully utilized.

[0003] When manufacturing injection molds, in order to process special cavities in the molds, the mold raw materials need to be fixed on the upper end of the processing equipment. The traditional fixing method is to manually place them on the work surface and rely on a clamping structure to complete the positioning of the mold raw materials. This clamping structure only clamps the two sides of the mold raw materials, but cannot position the upper surface of the mold raw materials. That is, there is a problem that the mold raw materials are not placed flat on the work surface, resulting in structural offset of the cavity processed in the mold raw materials, reducing the processing accuracy, and it is impossible to accurately ensure that the bottom surface of the mold raw materials is closely fitted to the work surface by manual pressing. There is also the problem of contaminating the surface of the mold raw materials, which interferes with the subsequent processing accuracy of the mold raw materials.

[0004] Based on this, a cavity milling processing equipment for injection mold manufacturing is proposed. Summary of the invention

[0005] The purpose of the present invention is to solve the above-mentioned problem and to propose a cavity milling processing equipment for injection mold manufacturing.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A cavity milling processing equipment for manufacturing injection molds, comprising a machine body, a motor connected to the machine body, a protective cover connected to one side of the machine body, a fixed sleeve connected inside the protective cover, a pin block and a deflection frame connected to the outside of the fixed sleeve, a deflection plate rotatably connected to the deflection frame, a lifting column slidably connected inside the fixed sleeve, a through groove provided on the lifting column, a hook plate slidably connected to the protective cover, a traction block connected to the upper end of the hook plate, a limit frame connected above the traction block, a pressing plate connected to the limit frame, and a driving member for driving the lifting column to lift and lower is provided on one side of the lifting column;

[0008] One side of the pin block is connected to a clamping mechanism for clamping the mold.

[0009] Preferably, a traction rod is rotatably connected to the limit frame, an inclined groove is provided on the traction block, and the lower end of the traction rod is slidably connected to the inclined groove.

[0010] Preferably, one end of the pressing plate is rotatably connected to a roller, the roller is in rolling contact with the upper surface of the mold, and the other end of the pressing plate is connected to a handle.

[0011] Preferably, the driving member comprises a cylinder, the protective cover is connected to a fixing frame, the cylinder is fixedly connected to the fixing frame, the telescopic end of the cylinder is connected to an inclined block, and the lifting column is provided with an inclined groove.

[0012] Preferably, the upper end of the lifting column is connected to a spring, the upper end of the spring is connected to a push plate, and the upper end of the push plate abuts against the protective cover.

[0013] Preferably, the clamping mechanism includes a positioning block, a driven block is connected below the positioning block, the driven block is slidably connected to one side of the pin block, a positioning groove is provided on the protective cover, a lifting block is symmetrically connected to the outside of the lifting column, and the lifting block is arranged directly below the driven block.

[0014] Preferably, a protrusion is connected to one side of the driven block, a groove is provided on the pin block, and the protrusion is slidably connected to the groove.

[0015] Preferably, the outer side of the positioning block is rotatably connected with connecting strip one and connecting strip two, the other end of connecting strip one is rotatably connected to the driven block, the other end of connecting strip two is rotatably connected to the pin block, connecting strip three is rotatably connected to connecting strip two, and the other end of connecting strip three is rotatably connected to the driven block.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0017] 1. The present application adopts a pressing plate structure, which is used to press and fix the mold material, ensuring that the lower surface of the mold material can fit tightly against the work surface. Subsequently, the positioning block is used to clamp both sides of the material. The pressing step and the positioning step are performed simultaneously, but are completed one after the other, which effectively improves the accuracy of the structural position of the mold material before processing and avoids the problem of position offset in the internal cavity of the mold during processing.

[0018] 2. The present application adopts a traction rod structure, which can be used to complete the positioning of the limit frame. After the positioning step of the mold is completed, the limit frame and the mold material can be separated from each other by pulling out the pressing plate, thereby avoiding the setting of the pressing plate structure interfering with the processing of the mold material surface, thereby greatly improving the processing range of the upper surface of the mold material. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1A schematic structural diagram of a milling processing device provided in an embodiment of the present invention is shown;

[0020] Figure 2 It shows a schematic structural diagram of the connection of the limit frame provided in an embodiment of the present invention;

[0021] Figure 3 A schematic diagram of an exploded structure of a connection of a limiting frame provided in an embodiment of the present invention is shown;

[0022] Figure 4 A schematic diagram of an exploded structure of a lifting column connection provided in accordance with an embodiment of the present invention is shown;

[0023] Figure 5 A schematic diagram of an exploded structure of a connection of a driven block according to an embodiment of the present invention is shown;

[0024] Figure 6 A schematic diagram of the explosion structure of the fixing sleeve connection provided according to an embodiment of the present invention is shown.

[0025] Legend:

[0026] 1. Machine body; 2. Motor; 3. Protective cover; 4. Limit frame; 5. Fixed frame; 6. Traction block; 7. Press plate; 8. Roller; 9. Handle; 10. Traction rod; 11. Positioning block; 12. Pin block; 13. Deflection frame; 14. Deflection plate; 15. Hook plate; 16. Lifting column; 17. Cylinder; 18. Lifting block; 19. Follower block; 20. Connecting strip 1; 21. Connecting strip 2; 22. Connecting strip 3; 23. Inclined groove; 24. Inclined block; 25. Fixed sleeve; 26. Groove; 27. Protrusion; 28. Through groove; 29. ​​Positioning groove; 30. Inclined groove; 31. Spring; 32. Push plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] See also Figure 1-Figure 6 , the present invention provides a technical solution:

[0029] A cavity milling processing equipment for injection mold manufacturing includes a body 1, a motor 2 is connected to the body 1, and a cutter head structure for milling is connected to the motor 2. This part of the structure is a prior art and will not be described in detail here. A protective cover 3 is connected to one side of the body 1, a fixed sleeve 25 is connected to the inside of the protective cover 3, and a pin block 12 and a deflection frame 13 are connected to the outside of the fixed sleeve 25. Two pin blocks 12 and two deflection frames 13 are respectively provided, and the two pin blocks 12 and the two deflection frames 13 are respectively symmetrically arranged on the four sides of the outside of the fixed sleeve 25. On each surface, a deflection plate 14 is rotatably connected to the deflection frame 13, one end of the deflection plate 14 is arranged in a through groove 28, a lifting column 16 is slidably connected in the fixed sleeve 25, a through groove 28 is provided on the lifting column 16, a hook plate 15 is slidably connected to the protective cover 3, a traction block 6 is connected to the upper end of the hook plate 15, the traction block 6 is arranged on the outside of the protective cover 3, a limit frame 4 is connected above the traction block 6, a pressing plate 7 is connected to the limit frame 4, and a driving member for driving the lifting column 16 to move up and down is provided on one side of the lifting column 16;

[0030] One side of the pin block 12 is connected to a clamping mechanism for clamping the mold.

[0031] Specifically, Figure 5 As shown, a traction rod 10 is rotatably connected to the limit frame 4, an inclined groove 30 is provided on the traction block 6, and the lower end of the traction rod 10 is slidably connected to the inclined groove 30. When fixing the mold material, the operator needs to ensure that the lower end of the traction rod 10 is connected to the inclined groove 30, wherein both ends of the traction rod 10 are connected to a rotating shaft structure, wherein the rotating shaft at the upper end is rotatably connected to the outside of the limit frame 4, and the rotating shaft at the lower end is slidably connected to the inclined groove 30, and both rotating shafts are vertically connected to the outside of the traction rod 10.

[0032] Specifically, Figure 2 As shown, one end of the pressing plate 7 is rotatably connected to a roller 8, and the roller 8 is in rolling contact with the upper surface of the mold. The other end of the pressing plate 7 is connected to a handle 9. The roller 8 structure is provided to reduce the wear on the upper surface of the mold material caused by the movement of the pressing plate 7 when it is separated from the mold material. The handle 9 structure is provided to facilitate the operation of the operator. During operation, the operator only needs to pull the two handles 9 at the same time to separate them. By providing two pressing plates 7, it is ensured that the pressing on the upper surface of the mold material is symmetrical, thereby improving the accuracy of the structural position of the mold material before cavity processing.

[0033] Specifically, Figure 2 and Figure 5As shown, the driving member includes a cylinder 17, a fixing frame 5 is connected to the protective cover 3, the cylinder 17 is fixedly connected to the fixing frame 5, an inclined block 24 is connected to the telescopic end of the cylinder 17, and an inclined groove 23 is provided on the lifting column 16. The inclined surface on the inclined block 24 is oriented obliquely upward toward the lifting column 16, while the inclined surface of the inclined groove 23 is oriented obliquely downward toward the inclined block 24. When the cylinder 17 is retracted to the maximum distance, the outer side of the inclined block 24 is still in contact with the inclined groove 23, so the lowest height of the lifting column 16 structure is limited by the inclined block 24 structure, thereby preventing the lifting column 16 from separating from the fixing sleeve 25.

[0034] Specifically, Figure 6 As shown, a spring 31 is connected to the upper end of the lifting column 16, and a push plate 32 is connected to the upper end of the spring 31. The upper end of the push plate 32 abuts against the protective cover 3. By arranging the spring 31 and the push plate 32 structure, the lifting column 16 can maintain structural stability when it is lifted, and avoid the structure falling due to the gravity of the lifting column 16 alone, which has poor structural stability. As the cylinder 17 contracts, the lifting column 16 can synchronously and stably descend in height, wherein the spring 31 structure is always in a compressed state when the structure of the processing equipment changes.

[0035] Specifically, Figure 5 As shown, the clamping mechanism includes a positioning block 11, a driven block 19 is connected below the positioning block 11, the driven block 19 is slidably connected to one side of the pin block 12, a positioning groove 29 is provided on the protective cover 3, and when the positioning block 11 is stored, its structure can be stored from the positioning groove 29 to the inside of the protective cover 3, and when the mold material needs to be positioned and fixed, the positioning block 11 can pass through the positioning groove 29 to position and clamp the mold material located above the protective cover 3, and the lifting block 18 is symmetrically connected to the outside of the lifting column 16. The lifting block 18 is arranged directly below the driven block 19. When the structure is transmitted, the lifting block 18 will contact the driven block 19, but will not contact the pin block 12.

[0036] Specifically, Figure 5 As shown, a protrusion 27 is connected to one side of the driven block 19, and a groove 26 is provided on the pin block 12. The protrusion 27 is slidably connected to the groove 26. By setting the protrusion 27 and the groove 26 structure, the driven block 19 and the pin block 12 are stably matched, thereby improving the stability of the structural transmission, wherein the driven block 19 and the pin block 12 cannot be separated.

[0037] Specifically, Figure 5As shown, the outer side of the positioning block 11 is rotatably connected with a connecting bar 1 20 and a connecting bar 2 21, the other end of the connecting bar 1 20 is rotatably connected to the driven block 19, the other end of the connecting bar 2 21 is rotatably connected to the pin block 12, the connecting bar 3 22 is rotatably connected to the connecting bar 2 21, the other end of the connecting bar 3 22 is rotatably connected to the driven block 19, the upper and lower ends of the connecting bar 1 20, the connecting bar 2 21 and the connecting bar 3 22 are all connected with a rotating shaft, and the rotating shaft is vertically connected to the two ends of the connecting bar 1 20, the connecting bar 2 21 and the connecting bar 3 22, when the pin block 12 and the driven block 19 are relatively displaced, the positioning block 11 is pushed to move toward the direction of the mold raw material or away from the mold raw material, and the structure of the connecting bar 1 20 and the connecting bar 2 21 is arranged to change the orientation angle of the positioning block 11, thereby ensuring that the two contact surfaces are in a fitted state when the mold raw material is clamped and positioned.

[0038] After the mold material is positioned, the equipment will reposition the upper surface of the mold material to develop a processing path that meets the requirements of the processing cavity. This equipment can ensure that the upper surface of the mold material is in a horizontal state, avoiding the structure of the mold material being skewed when it is fixed, which interferes with the subsequent processing accuracy. Since the laser positioning structure for the mold material point is set above the mold material, the side of the mold cannot be positioned, so the equipment cannot detect whether the mold is skewed. The equipment can eliminate the problem of skewness of the mold material, thereby reducing the probability of producing defective products.

[0039] In summary, the present embodiment provides a cavity milling processing equipment for manufacturing injection molds. When the injection mold needs to be processed in the cavity, the mold raw material is placed on the upper end of the protective cover 3, and the roller 8 structure at one end of the pressing plate 7 is kept above the mold raw material. Then, the cylinder 17 structure is started, and the cylinder 17 is used to push the inclined block 24 to move toward the lifting column 16, wherein the inclined block 24 is provided with an inclined surface structure. When the inclined block 24 and the inclined surface in the inclined surface groove 23 abut against each other, as the cylinder 17 continues to extend, the lifting column 16 can be pushed to rise in height, and the through groove 28 provided on the lifting column 16 rises in height, and the through groove 28 is used to push the deflection plate 14 to deflect. The length of the deflection plate 14 from the deflection axis toward the lifting column 16 is shorter than the length from the deflection axis toward the hook plate 15, that is, when the deflection angle of the deflection plate 14 is the same, the displacement distance of the deflection plate 14 toward the hook plate 15 is longer, and the deflection plate 14 is used to press the hook plate 15 to reduce the height of the hook plate 15, thereby driving the hook plate 15 to slide downward on the protective cover 3, and the hook plate 15 is used to drive the traction block 6 to reduce its height, and the traction block 6 is used to cooperate with the limit frame 4 to pull the pressing plate 7 to press the upper surface of the mold material, ensuring that the lower surface of the mold material can be closely abutted against the surface of the protective cover 3, thereby ensuring that the upper and lower surfaces of the mold material are strictly in a horizontal state.

[0040] At the same time, as the height of the lifting column 16 rises, it can drive the lifting block 18 to support the driven block 19 to rise in height, wherein the vertical length of the driven block 19 is longer than the numerical length of the pin block 12, so when the lifting block 18 drives the driven block 19 to rise in height, it does not contact the pin block 12, and when the height of the driven block 19 rises, the protrusion 27 slides along the groove 26 structure, and the connection bar 2 21 and the connection bar 3 22 cooperate to push the positioning block 11 to move toward the direction of the mold raw material, and the connection bar 1 20 and the connection bar 2 21 cooperate with each other to control the orientation angle of the positioning block 11, so as to ensure that when the positioning block 11 is clamped, it can ensure that the side of the positioning block 11 facing the mold raw material can be clamped. When the mold raw material is clamped, the clamping surfaces of the two structures fit each other, which greatly improves the firmness of the positioning block 11 in positioning the mold raw material.

[0041] When the cylinder 17 structure is extended to the maximum distance, the positioning block 11 just completes the positioning of the mold material. In order to avoid the limit frame 4 and the pressing plate 7 structure interfering with the cavity milling processing of the mold material, the operator can pull the handle 9 to make the pressing plate 7 move away from the mold material. At this time, the roller 8 rolls along the upper surface of the mold material. When the pressing plate 7 and the mold material are separated from each other, the operator can press the limit frame 4 downward to separate the lower end of the traction rod 10 from the traction block 6 along the inclined groove 30 structure. At this time, the limit frame 4 and the pressing plate 7 can be easily disassembled to avoid interfering with the milling processing of the cavity on the injection mold. The processing equipment can ensure that the structure of the mold material is in a high-precision fixed state before processing, avoid the situation of mold skewness, and also improve the accuracy of the cavity position.

[0042] The above description of the embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A cavity milling processing device for injection mold manufacturing, comprising a body (1), characterized in that: The machine body (1) is connected to a motor (2), a protective cover (3) is connected to one side of the machine body (1), a fixed sleeve (25) is connected inside the protective cover (3), a pin block (12) and a deflection frame (13) are connected to the outside of the fixed sleeve (25), two pin blocks (12) and two deflection frames (13) are symmetrically arranged on four surfaces outside the fixed sleeve (25), a deflection plate (14) is rotatably connected to the deflection frame (13), a lifting column (16) is slidably connected inside the fixed sleeve (25), a through groove (28) is provided on the lifting column (16), and one end of the deflection plate (14) is provided with a In the through groove (28), the through groove (28) can push the deflection plate (14) to deflect, the protective cover (3) is slidably connected with a hook plate (15), the deflection plate (14) can press the hook plate (15), the upper end of the hook plate (15) is connected with a traction block (6), the upper end of the traction block (6) is connected with a limit frame (4), the limit frame (4) is connected with a pressing plate (7), the traction block (6) cooperates with the limit frame (4) to pull the pressing plate (7) to press the upper surface of the mold raw material, and one side of the lifting column (16) is provided with a driving member for driving the lifting column (16) to move up and down; One side of the pin block (12) is connected to a clamping mechanism for clamping the mold; The limit frame (4) is rotatably connected to a traction rod (10), the traction block (6) is provided with an inclined groove (30), and the lower end of the traction rod (10) is slidably connected to the inclined groove (30); One end of the pressing plate (7) is rotatably connected to a roller (8), the roller (8) rolling in contact with the upper surface of the mold, and the other end of the pressing plate (7) is connected to a handle (9); The driving member comprises a cylinder (17), the protective cover (3) is connected to a fixing frame (5), the cylinder (17) is fixedly connected to the fixing frame (5), the telescopic end of the cylinder (17) is connected to an inclined block (24), the lifting column (16) is provided with an inclined surface groove (23), and the inclined block (24) and the inclined surface in the inclined surface groove (23) are in contact with each other; The clamping mechanism comprises a positioning block (11), a driven block (19) is connected below the positioning block (11), the driven block (19) is slidably connected to one side of the pin block (12), a positioning groove (29) is provided on the protective cover (3), the positioning block (11) can pass through the positioning groove (29) to position and clamp the mold material located above the protective cover (3), and a lifting block (18) is symmetrically connected to the outer side of the lifting column (16), and the lifting block (18) is arranged directly below the driven block (19); A protrusion (27) is connected to one side of the driven block (19), a groove (26) is provided on the pin block (12), and the protrusion (27) is slidably connected to the groove (26); The positioning block (11) is rotatably connected to a connecting bar 1 (20) and a connecting bar 2 (21) on the outside; the other end of the connecting bar 1 (20) is rotatably connected to the driven block (19); the other end of the connecting bar 2 (21) is rotatably connected to the pin block (12); the connecting bar 2 (21) is rotatably connected to a connecting bar 3 (22); the other end of the connecting bar 3 (22) is rotatably connected to the driven block (19).

2. The cavity milling processing equipment for injection mold manufacturing according to claim 1 is characterized in that: The upper end of the lifting column (16) is connected to a spring (31), the upper end of the spring (31) is connected to a push plate (32), and the upper end of the push plate (32) abuts against the protective cover (3).

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