CN211464850U

CN211464850U - Cutter support for turning mold core

Info

Publication number: CN211464850U
Application number: CN202020022105.8U
Authority: CN
Inventors: 李为义
Original assignee: Dongguan Harmony Optical Technology Co ltd
Current assignee: Dongguan Harmony Optical Technology Co ltd
Priority date: 2020-01-07
Filing date: 2020-01-07
Publication date: 2020-09-11
Anticipated expiration: 2030-01-07

Abstract

A tool holder for turning a mold insert, comprising: the cutting tool comprises a base (1), a lifting seat (2), a rotating seat (3) and a cutting tool (4), wherein the lifting seat (2) can be arranged on the base (1) in a vertically moving mode, the rotating seat (3) can be arranged on the lifting seat (2) in a horizontally rotating mode, and the cutting tool (4) is fixed on the rotating seat (3). On one hand, the cutter bracket can adjust the height of the cutter to align the cutter with the center height of the mold core, so that the center degree of aspheric surface molding is ensured, and the yield of aspheric surface glass lenses is improved; on the other hand, the side surface of the cutter can be prevented from contacting the non-spherical surface groove on the mold core, so that the cutter or the mold core is prevented from being damaged.

Description

Cutter support for turning mold core

Technical Field

The utility model relates to a cutter holder especially relates to a cutter holder that mould benevolence lathe work was used.

Background

The aspheric glass lens is generally formed by die casting through a die, and in order to form the aspheric glass lens, the die core of the die is generally provided with an aspheric surface. In the above-mentioned mold core manufacturing process, an aspheric surface is generally formed on the mold core by turning.

At present, for a lathe for turning a die-casting mold core of a lens, the height position of a cutter and the height position of a main shaft for fixing the mold core are relatively fixed.

However, since the mold cores have dimensional errors during the manufacturing process, the heights of the different mold cores may be different, and if the same height of the cutting tool is used for machining, the aspheric surfaces of the mold cores are deviated from the center.

In addition, the cutter is inevitably deflected at a certain angle after being clamped, and because the width of the aspheric groove formed on the mold core is smaller, the side surface of the deflected cutter can be contacted with the opening of the groove to cause abrasion.

SUMMERY OF THE UTILITY MODEL

The utility model discloses technical scheme is to above-mentioned condition, and in order to solve above-mentioned problem and provide a cutter bracket that mould benevolence lathe work was used, cutter bracket includes: the cutting tool comprises a base, a lifting seat, a rotating seat and a cutting tool, wherein the lifting seat can be movably arranged on the base in the up-down direction, the rotating seat can be horizontally and rotatably arranged on the lifting seat, and the cutting tool is fixed on the rotating seat.

Further, the tool holder further comprises: a locking screw; the base includes: the support plate is provided with a guide rail extending along the vertical direction, and the side wall of the guide rail is provided with a strip-shaped locking hole; the lift seat includes: the guide plate is fixed at the rear end of the lifting support plate, the rear end of the guide plate is provided with a locking threaded groove, the guide plate is positioned in the guide rail, and the locking screw penetrates through the locking hole and is meshed with the locking threaded groove.

Further, the tool holder further comprises: adjusting screws; the base further includes: the lifting platform is fixed at the upper end of the supporting plate and is provided with an adjusting hole; the lifting support plate is provided with an adjusting threaded hole, and the adjusting screw penetrates through the adjusting threaded hole and is meshed with the adjusting threaded hole.

Further, the base further includes: a bottom plate having a bottom aperture.

Further, the tool holder further comprises: a set screw; the lifting support plate is provided with a rotating shaft hole and an arc-shaped hole which extend along the vertical direction; the upper end of the rotary seat is provided with a rotary shaft and a positioning thread groove, the rotary shaft is inserted into the rotary shaft hole, and the positioning screw penetrates through the arc-shaped hole and is meshed with the positioning thread groove.

Further, the tool holder further comprises: fixing screws; the lower end of the rotary seat is provided with a cutter groove, and the side wall of the cutter groove is provided with a fixing threaded hole; the cutter comprises: the cutter comprises a cutter handle and a cutting edge, the cutter handle is located inside the cutter groove, the cutting edge is located outside the cutter groove, and the fixing screw is meshed with the fixing threaded hole and is in contact with the cutter handle.

After the technical scheme is adopted, the utility model discloses an effect is: the cutter bracket with the structure can adjust the height of the cutter to align the cutter with the center height of the mold core, ensure the centricity of aspheric surface molding and improve the yield of aspheric surface glass lenses; on the other hand, the side surface of the cutter can be prevented from contacting the non-spherical surface groove on the mold core, so that the cutter or the mold core is prevented from being damaged.

Drawings

Fig. 1 is a schematic view of a tool holder according to the present invention;

fig. 2 is a schematic view of a base according to the present invention;

fig. 3 is a schematic view of a lifting base according to the present invention;

fig. 4 is a schematic view of a rotary base according to the present invention;

fig. 5 is a schematic view of a cutter according to the present invention.

Detailed Description

It is specifically noted that the terms "first", "second" and "third" in the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. All directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture, and if the specific posture is changed, the directional indicator is changed accordingly.

The technical solution of the present invention is further described below by way of examples:

the utility model provides a cutter bracket that mould benevolence lathe work was used, as shown in figure 1, cutter bracket includes: the cutting tool comprises a base 1, a lifting seat 2, a rotating seat 3 and a cutting tool 4, wherein the lifting seat 2 can be arranged on the base 1 in a vertically moving mode, the rotating seat 3 can be arranged on the lifting seat 2 in a horizontally rotating mode, and the cutting tool 4 is fixed on the rotating seat 3. When the cutter support is used, the base 1 can be fixed on a lathe, and then the height of the cutter 4 is adjusted by moving the lifting seat 2, so that the height of the cutter 4 is aligned with the central height of the mold core; in addition, the angle of the cutter 4 can be adjusted by rotating the rotary seat 3, so that the side surface of the cutter 4 is prevented from contacting with the groove of the non-spherical surface of the mold core.

Specifically, as shown in fig. 1, fig. 2 and fig. 3, the tool holder further includes: a locking screw 61; the base 1 includes: a support plate 11, the support plate 11 having a guide rail 111 extending in the up-down direction, a side wall of the guide rail 111 having a bar-shaped locking hole 112; the lifting seat 2 comprises: a lifting support plate 21 and a guide plate 22, the guide plate 22 being fixed to a rear end of the lifting support plate 21, the rear end of the guide plate 22 having a locking screw groove 221, the guide plate 22 being seated in the guide rail 111, and a locking screw 61 passing through the locking hole 112 and engaging with the locking screw groove 221. The moving direction of the elevator base 2 can be guided by the engagement of the guide plate 22 with the guide rail 11, and the height of the elevator base 2 can be fixed by the engagement of the locking screw 61 with the locking screw groove 221.

More specifically, the tool holder further comprises: an adjusting screw 62; the base 1 further comprises: a hanging platform 12, wherein the hanging platform 12 is fixed at the upper end of the supporting plate 11, and the hanging platform 12 is provided with an adjusting hole 121; the elevation supporting plate 21 has an adjustment screw hole 211, and the adjustment screw 62 passes through the adjustment hole 121 and engages with the adjustment screw hole 211. The height of the lifting base 2 can be finely adjusted by rotating the adjusting screw 62, so that the height position of the cutter 4 can be more accurately adjusted.

More specifically, the base 1 further includes: a bottom plate 13, the bottom plate 13 having a bottom hole 131. The screw of the machine tool passes through the bottom hole 131 and then is matched with the thread groove of the machine tool, so that the base 1 can be fixed on the machine tool.

More specifically, as shown in fig. 3 and 4, the tool holder further includes: a set screw 63; the elevation support plate 21 has a rotation shaft hole 212 and an arc hole 213 extending in the up-down direction; the upper end of the rotary base 3 has a rotary shaft 31 and a positioning screw groove 32, the rotary shaft 31 is inserted into the rotary shaft hole 212, and the positioning screw 63 passes through the arc hole 213 and engages with the positioning screw groove 32. The rotation operation of the rotary base 3 is realized through the matching of the rotary shaft 31 and the rotary shaft hole 212, and the angle of the cutter 4 can be locked through the matching of the positioning screw 63 and the positioning thread groove 32.

More specifically, referring to fig. 1, 4 and 5, the tool holder further includes: a set screw 64; the lower end of the rotary seat 3 is provided with a cutter groove 33, and the side wall of the cutter groove 33 is provided with a fixing threaded hole 34; the cutter 4 includes: a shank 41 and a blade 42, the shank 41 being located inside the tool pocket 33, the blade 42 being located outside the tool pocket 33, the set screw 64 engaging the set threaded bore 34 and contacting the shank 41. The tool 4 can be locked or unlocked by the engagement of the set screw 64 with the set threaded hole 34.

Therefore, the cutter support with the structure can adjust the height of the cutter to align the cutter with the center height of the mold core, ensure the centricity of aspheric surface molding and improve the yield of aspheric surface glass lenses; on the other hand, the side surface of the cutter (especially the side surface of the cutting edge) can be prevented from contacting the aspheric surface groove on the mold core, so that the cutter or the mold core is prevented from being damaged.

The above-mentioned embodiments are merely preferred examples of the present invention, and do not limit the scope of the present invention, so all equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.

Claims

1. The utility model provides a cutter support that mould benevolence lathe work was used which characterized in that: the tool holder includes: base (1), lift seat (2), roating seat (3) and cutter (4), lift seat (2) can be followed and set up with moving from top to bottom on base (1), roating seat (3) can set up with horizontal rotation on lift seat (2), cutter (4) are fixed on roating seat (3).

2. The tool holder for cavity turning according to claim 1, wherein: the tool holder further comprises: a locking screw (61); the base (1) comprises: a support plate (11), wherein the support plate (11) is provided with a guide rail (111) extending along the vertical direction, and the side wall of the guide rail (111) is provided with a strip-shaped locking hole (112); the lifting seat (2) comprises: a lifting support plate (21) and a guide plate (22), the guide plate (22) being fixed to a rear end of the lifting support plate (21), a rear end of the guide plate (22) having a locking screw groove (221), the guide plate (22) being located in the guide rail (111), the locking screw (61) passing through the locking hole (112) and engaging with the locking screw groove (221).

3. The tool holder for cavity turning according to claim 2, wherein: the tool holder further comprises: an adjusting screw (62); the base (1) further comprises: the lifting platform (12), the lifting platform (12) is fixed at the upper end of the supporting plate (11), and the lifting platform (12) is provided with an adjusting hole (121); the lifting support plate (21) is provided with an adjusting threaded hole (211), and the adjusting screw (62) penetrates through the adjusting hole (121) and is meshed with the adjusting threaded hole (211).

4. The tool holder for cavity turning according to claim 2, wherein: the base (1) further comprises: a bottom plate (13), the bottom plate (13) having a bottom hole (131).

5. The tool holder for cavity turning according to claim 2, wherein: the tool holder further comprises: a set screw (63); the lifting support plate (21) is provided with a rotating shaft hole (212) and an arc hole (213) which extend along the vertical direction; the upper end of the rotary seat (3) is provided with a rotating shaft (31) and a positioning thread groove (32), the rotating shaft (31) is inserted into the rotating shaft hole (212), and the positioning screw (63) penetrates through the arc-shaped hole (213) and is meshed with the positioning thread groove (32).

6. The tool holder for cavity turning according to claim 5, wherein: the tool holder further comprises: a set screw (64); the lower end of the rotary seat (3) is provided with a cutter groove (33), and the side wall of the cutter groove (33) is provided with a fixing threaded hole (34); the tool (4) comprises: a shank (41) and a blade (42), the shank (41) being located inside the tool pocket (33), the blade (42) being located outside the tool pocket (33), the set screw (64) engaging the set threaded hole (34) and contacting the shank (41).