CN213860062U - Thin-wall glass tube cutting device - Google Patents
Thin-wall glass tube cutting device Download PDFInfo
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- CN213860062U CN213860062U CN202021850561.8U CN202021850561U CN213860062U CN 213860062 U CN213860062 U CN 213860062U CN 202021850561 U CN202021850561 U CN 202021850561U CN 213860062 U CN213860062 U CN 213860062U
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- glass tube
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Abstract
The utility model belongs to the field of machining, in particular to a thin-wall glass tube cutting device, which comprises a cutter bar (1) and a bracket (2), wherein the cutter bar (1) is clamped on a lathe spindle; the support (2) is fixed on a tool apron of a lathe, a glass tube (4) to be cut is placed on the support (2), the length of the glass tube is adjusted through a scale arranged on an axial adjusting hand wheel of the lathe, the radial cutting depth is adjusted through a scale arranged on a radial adjusting hand wheel of the lathe, a main shaft of the lathe drives a tool bar (1) to perform a cutting process, and the cutting process is manually completed after the cutting is completed; when the length-diameter ratio of the glass tube (4) to be cut is less than 1.5, the cutting device further comprises a sleeve (3), and the sleeve (3) is used as an aid to perform the cutting process after cutting. The cutting device is simple in structure, easy to realize, capable of achieving rapid cutting of glass tube parts, high in machining precision, and controllable in length consistency within 0.05mm after cutting.
Description
Technical Field
The utility model belongs to the technical field of machining, especially, relate to a be applied to cutting device of glass pipe part.
Background
When cutting off glass tube parts, the traditional methods mainly comprise two methods, wherein one method is fusing, fusing and cutting is a method of utilizing natural gas or other heat sources to locally melt a determined position on glass and simultaneously cut off a product through the impact of high-speed airflow.
The other traditional method is a cutting method, the glass tubes are cut transversely by a glass cutter one by manpower, and the problems of low efficiency and poor precision exist; or grinding is adopted for group processing, an adhesive is firstly used for bonding a plurality of glass tubes and then manual cutting is carried out, however, the problem that the adhesive is difficult to clean up after cutting exists, and finally the residual adhesive can influence the quality of the glass tubes after sintering.
Meanwhile, in the traditional method cutting process, the consistency of the cutting length and the size of the glass tube cannot be controlled within +/-0.05 mm, and the processing quality cannot meet the precision processing requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a thin wall glass manages cutting device for cutting off of thin wall glass pipe class part, the cut surface levels, and the length dimension uniformity is good. The cutting device is simple in structure and easy to realize, the glass tube parts can be cut off quickly, and the length consistency can be controlled within +/-0.02 mm after the glass tube parts are cut off.
The technical scheme provided by the utility model is that the thin-wall glass tube cutting device comprises a cutter bar 1 and a bracket 2, wherein the cutter bar 1 is clamped on a lathe spindle and driven by a lathe to rotate at a high speed; the bracket 2 is fixed on a tool apron of a lathe and used for supporting and positioning a glass tube to be cut;
the cutter bar 1 comprises a hexagon nut 11, a pressing plate 12, a blade 13, an adjusting gasket 14 and a mandrel 15, wherein through holes are formed in the centers of the adjusting gasket 14, the blade 13 and the pressing plate 12 and are sequentially sleeved on the mandrel 15; the mandrel 15 is provided with two-stage step excircles, and the first-stage step excircles 151 are in clearance fit with the adjusting gaskets 14 and the through holes of the blades 13 so as to ensure that the cutters are coaxial; the adjusting gasket 14 is composed of two symmetrical parts, and is respectively positioned on two sides of the blade 13 to stably clamp and buffer the blade, so that the cutter is protected; the excircle 152 of the second step is in clearance fit with the pressing plate 12, and the pressing plate 12 is used for further pressing the adjusting shim 14 and the blade 13, so that the blade is positioned more stably; the hexagonal nut 11 is in threaded locking connection with one end of the mandrel 15, and the adjusting gasket 14, the blade 13 and the pressing plate 12 are pressed and fixed;
the bracket 2 comprises an inner hexagonal socket head cap head screw 21, a baffle plate 22, a round head screw 23, a T-shaped nut 24 and a bracket seat 25; a U-shaped groove 251 is formed in the lower end face of the bracket seat 25, and the T-shaped nut 24 is embedded in the U-shaped groove 251; a threaded through hole is formed in the height direction of the bracket seat 25, the inner hexagonal socket head cap screw 21 penetrates through the threaded through hole to be in threaded connection with the T-shaped nut 24, and the T-shaped nut 24 is fixed on a lathe tool apron by screwing the inner hexagonal socket head cap screw 21; the lateral side surface of the bracket seat 25 is provided with a baffle step 252, the longitudinal side surface of the bracket seat is provided with a supporting step 253 which is flush with and communicated with the baffle step 252, and the baffle 22 is arranged on the baffle step 252 and fixed on the longitudinal side surface of the bracket seat 25 through round head screws 23 and used for limiting the end surface of the glass to be cut; the support step 253 is used for supporting a glass tube to be cut, and the bracket seat 25 is further provided with a through groove 254 in the height direction of the transverse side surface for avoiding a machining tool and facilitating the removal of cutting debris.
In a possible embodiment, the thin-wall glass tube cutting device further comprises a sleeve 3, when the length-diameter ratio of the glass tube to be cut is less than 1.5, the sleeve 3 is used for cutting, one end of the sleeve 3 is in a conical surface, and a step hole 31 is formed in the core part of the conical surface.
In one possible embodiment, the width of the supporting step 253 is in the range of 0-10 mm, which is determined by the diameter of the glass tube to be cut, so as to realize stable support of the glass tube to be cut.
In one possible embodiment, since the blade 13 will be reduced in diameter during repeated sharpening, the required outside diameter of the spacer shim 14 will need to be reduced accordingly, with two outside diameter specifications being provided for the spacer shim 14, each adapted to be selected for use in response to blade diameter changes, otherwise interference will occur; if the outer diameter of the adjusting gasket is too small, the leakage area of the blade is too large, and the blade is easy to break.
In one possible embodiment, the material of the baffle 22 is high-speed steel, and because the glass tube to be cut has high hardness, ordinary metal materials are easy to deform, dent, bend and the like during repeated use, such as aluminum alloy, copper alloy, 45# steel and the like, so that the high-speed steel with high hardness, high wear resistance and high heat resistance is selected.
In one possible embodiment, the material of the blade 13 is cemented carbide, and the edge inclination angle of the blade is 20 to 30 degrees.
In one possible embodiment, the adjusting pad 14 is made of a soft metal material, and is made of one of aluminum and copper.
The actual working process of the thin-wall glass tube cutting device is as follows:
1. clamping the end of the arbor mandrel on a lathe spindle;
2. sliding a T-shaped nut of the bracket into a guide groove of the tool apron, screwing an inner hexagonal socket head cap screw by using a hexagonal wrench, and fixing the bracket on the tool apron;
3. rotating an axial adjusting hand wheel of the lathe to enable the distance between the positioning surface of the baffle plate of the bracket and the center of the blade to be the length value required by the processing of the glass tube, and then locking the axial adjusting hand wheel of the lathe;
4. horizontally placing the glass tube to be cut on the bracket step, wherein one end of the glass tube is aligned with the bracket baffle;
5. starting the lathe, rotating a radial adjusting hand wheel of the lathe by one hand, and rotating the glass tube by the other hand to form a circle of cutting mark with the depth of 0.2-0.5 mm on the outer circle of the glass tube by the blade;
6. reversely rotating the radial adjusting hand wheel of the lathe, and taking down the glass tube;
7. sleeving the end to be cut of the glass tube in the stepped hole of the core part of the conical surface of the sleeve, holding the sleeve with one hand and holding the glass tube with the other hand, cutting off the glass tube from the cutting mark part, and sliding the cut glass tube down through the stepped hole of the sleeve.
The length of the glass tube to be cut is adjusted by a scale arranged on an axial adjusting hand wheel of the lathe, and the radial cutting depth of the glass tube to be cut is adjusted by a scale arranged on a radial adjusting hand wheel of the lathe.
The utility model has the advantages that:
the cutting device is simple in structure and easy to realize. The size is stable, the efficiency is high, the glass tube processing machine is suitable for processing glass tubes with various sizes, the consistency of processing quality is good, and the glass tube processing machine is durable.
The cutting surface is smooth, the consistency of the length dimension is good, the consistency of the length after cutting can be controlled within +/-0.02 mm, the high-precision thin-wall and small-diameter glass tube parts can be quickly cut, and the processing efficiency and quality are greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
FIG. 1 is a schematic view of a glass tube cutting device according to the present invention;
fig. 2 is a cross-sectional view of the tool bar of the present invention;
fig. 3 is a schematic view of the bracket of the present invention;
fig. 4 is a cross-sectional view of the sleeve of the present invention;
wherein, 1-a cutter bar, 11-a hexagon nut, 12-a pressure plate, 13-a blade, 14-an adjusting gasket and 15-a mandrel; 2-bracket, 21-hexagon socket head cap screw, 22-baffle, 23-round head screw, 24-T type nut, 25-bracket seat; 3-a sleeve; 4-glass tube.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention. In order to better implement the present invention, the following detailed description is made with reference to the accompanying drawings.
Example one
FIG. 1 is a schematic view of a glass tube cutting device according to the present invention. Referring to fig. 1, the glass tube cutting device provided in this embodiment realizes rapid cutting of high-precision thin-walled glass tube parts with small diameters, and includes a cutter bar 1, a bracket 2, and a sleeve 3.
The utility model discloses a glass manages cutting device simple structure easily realizes, and the cut surface levels and length size uniformity is good, cuts off that back length uniformity is steerable within 0.02mm, has realized cutting off fast of high accuracy thin wall, less diameter glass pipe class part, has improved machining efficiency and quality by a wide margin.
Fig. 2 is a cross-sectional view of the tool bar of the present invention. The cutter bar 1 comprises a hexagonal flange nut 11, a pressure plate 12, a blade 13, an adjusting gasket 14 and a mandrel 15.
Fig. 3 is a schematic view of the bracket of the present invention. The bracket 2 comprises a socket head cap screw 21, a baffle plate 22, a pan head screw 23, a T-shaped nut 24 and a bracket seat 25.
Fig. 4 is a cross-sectional view of the sleeve of the present invention. The sleeve 3 is a cylinder, one end of the sleeve 3 is a conical surface, the conical surface core part is a step hole, and the glass tube part is sleeved in the conical surface core part step hole and is broken.
In particular, the amount of the solvent to be used,
the outer lining of a certain insulator is a molybdenum-resistance glass tube, and the outer diameter of the glass tube is
An inner diameter of
The length is 2.82-0.05, +0.05mm, and the specific cutting step includes:
1. clamping the end of the arbor mandrel on a lathe spindle;
2. sliding a T-shaped nut of the bracket into a guide groove of the tool apron, screwing an inner hexagonal socket head cap screw by using a hexagonal wrench, and fixing the bracket on the tool apron;
3. rotating an axial adjusting hand wheel of the lathe to enable the distance between the positioning surface of the glass tube of the bracket baffle plate and the center of the blade to be 2.82-0.02 mm and +0.02mm, and then locking the axial adjusting hand wheel of the lathe;
4. horizontally placing the glass tube on the bracket, wherein one end of the glass tube is aligned with the baffle of the bracket;
5. starting the lathe, rotating a radial adjusting hand wheel of the lathe by one hand, and rotating the glass tube by the other hand to form a circle of cutting mark with the depth of 0.2-0.5 mm on the outer circle of the glass tube by the blade;
6. reversely rotating the radial adjusting hand wheel of the lathe, and taking down the glass tube;
7. sleeving the end to be cut of the glass tube in a stepped hole of a core part of the conical surface of the sleeve, holding the sleeve with one hand and holding the glass tube with the other hand, cutting off the glass tube from the cut part, and reversely sliding the cut glass tube out of the sleeve hole.
Example two
The outer lining of a certain insulator is a molybdenum-resistance glass tube, and the outer diameter of the glass tube is
An inner diameter of
The length is 2.6 +/-0.02 mm, and the traditional manual cutting method comprises the following specific steps:
1. marking on the glass tube by using a marking pen and a height gauge, wherein the marking distance is 2.6 +/-0.02 mm;
2. cutting the glass tube for one circle along the scribing line by using a glass cutter, wherein the cutting groove depth is 0.2-0.5 mm;
3. the left hand and the right hand respectively hold the two sides of the groove of the glass tube and simultaneously apply force to break the glass tube.
Claims (7)
1. The thin-wall glass tube cutting device is characterized by comprising a cutter bar (1) and a bracket (2), wherein the cutter bar (1) is clamped on a lathe spindle; the bracket (2) is fixed on a tool apron of a lathe;
the cutter bar (1) comprises a hexagon nut (11), a pressing plate (12), a blade (13), an adjusting gasket (14) and a mandrel (15), wherein through holes are formed in the centers of the adjusting gasket (14), the blade (13) and the pressing plate (12) and are sequentially sleeved on the mandrel (15); the mandrel (15) is provided with two-stage step excircles, and the first-stage step excircles (151) are in clearance fit with the adjusting gaskets (14) and the through holes of the blades (13); the adjusting gasket (14) consists of two symmetrical parts which are respectively positioned at two sides of the blade (13); the excircle (152) of the second step is in clearance fit with the pressure plate (12); the hexagonal nut (11) is in locking connection with one end of the mandrel (15) through threads;
the bracket (2) comprises an inner hexagonal cylindrical head screw (21), a baffle plate (22), a round head screw (23), a T-shaped nut (24) and a bracket seat (25); a U-shaped groove (251) is formed in the lower end face of the bracket seat (25), and the T-shaped nut (24) is embedded in the U-shaped groove (251); a threaded through hole is formed in the height direction of the bracket seat (25), the inner hexagonal socket head cap screw (21) penetrates through the threaded through hole to be in threaded connection with the T-shaped nut (24), and the T-shaped nut (24) is fixed on a lathe tool apron by screwing the inner hexagonal socket head cap screw (21); the lateral side of the bracket seat (25) is provided with a baffle step (252), the longitudinal side of the bracket seat is provided with a supporting step (253) which is flush with and communicated with the baffle step (252), and the baffle (22) is arranged on the baffle step (252) and fixed on the lateral side of the bracket seat (25) through a round head screw (23); the support step (253) is used for supporting the glass tube (4) to be cut, and a through groove (254) is further formed in the height direction of the longitudinal side face of the bracket seat (25).
2. The thin-walled glass tube cutting device according to claim 1, further comprising a sleeve (3), wherein when the length to diameter ratio of the glass tube to be cut is less than 1.5, the sleeve (3) is used for cutting, one end of the sleeve (3) is a conical surface, and the core part of the conical surface is provided with a stepped hole (31).
3. The thin-walled glass tube cutting apparatus as claimed in any one of claims 1 or 2, wherein the supporting step (253) has a step width in the range of 0 to 10 mm.
4. The thin-walled glass tube cutting apparatus as claimed in any one of claims 1 or 2, wherein the spacer shim (14) is provided with at least two outer diameter dimensions.
5. The device for cutting off the thin-walled glass tube as claimed in any one of claims 1 or 2, wherein the baffle plate (22) is made of high-speed steel.
6. The device for cutting off the thin-wall glass tube according to any one of claims 1 or 2, wherein the blade (13) is made of hard alloy, and the vertex angle of the blade (13) is 20-30 degrees.
7. The device for cutting off the thin-walled glass tube as claimed in any one of claims 1 or 2, wherein the adjusting shim (14) is made of a soft metal material selected from one of aluminum and copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021850561.8U CN213860062U (en) | 2020-08-28 | 2020-08-28 | Thin-wall glass tube cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021850561.8U CN213860062U (en) | 2020-08-28 | 2020-08-28 | Thin-wall glass tube cutting device |
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| Publication Number | Publication Date |
|---|---|
| CN213860062U true CN213860062U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021850561.8U Active CN213860062U (en) | 2020-08-28 | 2020-08-28 | Thin-wall glass tube cutting device |
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| CN (1) | CN213860062U (en) |
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- 2020-08-28 CN CN202021850561.8U patent/CN213860062U/en active Active
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