CN201423555Y - Protective device for measuring head - Google Patents
Protective device for measuring head Download PDFInfo
- Publication number
- CN201423555Y CN201423555Y CN2009201334146U CN200920133414U CN201423555Y CN 201423555 Y CN201423555 Y CN 201423555Y CN 2009201334146 U CN2009201334146 U CN 2009201334146U CN 200920133414 U CN200920133414 U CN 200920133414U CN 201423555 Y CN201423555 Y CN 201423555Y
- Authority
- CN
- China
- Prior art keywords
- gauge head
- outer ring
- measuring head
- protective device
- clamping portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a protective device for a measuring head. The measuring head is fixedly arranged at the end part of a probe; the probe is fixedly arranged on a measuring head body; the protective device comprises a clamping part for fixing the measuring head and an outer ring for protecting the measuring head; the clamping part is arranged in the outer ring, and is fixedly connected with the outer ring through at least one rib; and the external diameter of the outer ring is larger than that of the measuring head body. the protective device of the measuring head is fixed on the probe through the clamping part, when fault operation occurs, because the external diameter of the outer ring is larger than that of the measuring head body, the outer ring contacts a workpiece and deflects under stress firstly, the clamping part fixedly connected with the outer ring through the rib deflects with the outer ring and drives the probe tightly fixed with the clamping part to swing at a certain angle, and a sensor in the measuring head body is triggered to transmit radio signals to enable a machine tool to stop, therefore, the measuring head body is prevented from being damaged by impacting on the workpiece and the purpose of protecting the measuring head is achieved.
Description
Technical field
The utility model relates to machining, quality testing field, relates in particular to a kind of protective device of gauge head.
Background technology
Along with the continuous development of modern manufacturing industry, it is also perfect constantly to make equipment.Digit Control Machine Tools such as the high precision numerical control lathe of producing, machining center, numerically control grinder all are equipped with a high precision probe and its system when dispatching from the factory now.Adopt this gauge head system, can be on lathe fast, the accurate position of measuring workpieces, directly measurement feedback is revised the workpiece coordinate system of lathe in the digital control system.Simultaneously, can utilize gauge head to measure the dimensional accuracy of complex outline workpiece automatically, revise the amount of bias of cutter automatically according to measurement result, the wearing and tearing of compensation cutter reach 0.01～0.02mm with the dimensional accuracy of the workpiece that guarantees to process.So the lathe of band gauge head system is extensively applied in the machining.
As shown in Figure 1, the operation principle of gauge head system is: during operate as normal, gauge head 91 touches workpiece 94 earlier, chaining pin 92 is touching angle of the workpiece 94 stressed swings in back, thereby the inductor (not shown) that triggers in the gauge head body 93 is sent radio signal, and the receiver 95 that is installed on the lathe relevant position can carry out corresponding actions by the control lathe after receiving signal, finally finishes testing.
Shown in Fig. 2 A, Fig. 2 B, in case maloperation appears in the operator, the height of workpiece 94 was imported low or too high, gauge head 91 does not contact with workpiece 94 when motion, chaining pin 92 is not also stressed can not swing an angle, the inductor that also just can not trigger in the gauge head body 93 sends signal, receiver 95 does not also receive signal, lathe does not move on because of receiving signal yet, thereby cause directly bump and be subjected in various degree damage of gauge head body 93 and workpiece 94, increase maintenance cost, influenced job schedule.So how not change the original profile of product, do not influence under the prerequisite of gauge head precision, gauge head 91 general protections are got up, avoid becoming urgent problem because of maloperation is subjected to clashing into damaging.
The utility model content
The purpose of this utility model is to overcome the defective of above-mentioned prior art, and a kind of protective device of gauge head is provided, and avoids the gauge head body to damage because of maloperation is subjected to clashing in machining, finally reaches the purpose of protection gauge head.
The utility model is to realize like this; a kind of protective device of gauge head; described gauge head is fixedly arranged on the end of a chaining pin; described chaining pin is fixedly arranged on the gauge head body; this protective device comprises that a clamping portion and that is used for fixing gauge head is used to protect the outer ring of gauge head; described clamping portion is located in the described outer ring, fixedly connected by at least one rib between described clamping portion and the outer ring, and the external diameter of described outer ring is greater than the external diameter of described gauge head body.
The protective device of described gauge head is fixed on the chaining pin by clamping portion; when maloperation occurring; because of the external diameter of outer ring external diameter greater than described gauge head body; so the outer ring at first contacts stressed deflection with workpiece; also deflect with its clamping portion of fixedlying connected by rib thereupon; and closely fixing angle of chaining pin swing of drive and described clamping portion; thereby sending radio signal, the intrinsic inductor of triggering gauge head allow lathe in time shut down; thereby avoid the gauge head body directly with the workpiece bump and be damaged, finally reach the purpose of protecting gauge head.
Description of drawings
Fig. 1 is the gauge head operate as normal schematic diagram that is unkitted protective device in the prior art;
Fig. 2 A is the gauge head abnormal work schematic diagram that is unkitted protective device in the prior art;
Fig. 2 B is another schematic diagram that is unkitted the gauge head abnormal work of protective device in the prior art;
Fig. 3 A is the vertical view of the protective device that provides of the utility model embodiment;
Fig. 3 B is the M-M cutaway view among Fig. 3 A;
Fig. 4 A is the work schematic diagram that the protective device that the utility model embodiment provides is installed;
Fig. 4 B is another work schematic diagram that the protective device that the utility model embodiment provides is installed.
The specific embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Shown in Fig. 3 A, 3B, 4A and 4B; the protective device of a kind of gauge head that the utility model provides; described gauge head 1 is fixedly arranged on the end of a chaining pin 6; described chaining pin 6 is fixedly arranged on the gauge head body 5; this protective device comprises that a clamping portion 2 and that is used for fixing gauge head 1 is used to protect the outer ring 3 of gauge head 1; described clamping portion 2 is located in the described outer ring 3, fixedly connected by at least one rib 4 between described clamping portion 2 and the outer ring 3, and the external diameter of described outer ring 3 is greater than the external diameter of described gauge head body 5.Described protective device is fixed on the chaining pin 6 by clamping portion 2; when maloperation occurring; because of the external diameter of outer ring 3 external diameter greater than described gauge head body 5; so outer ring 3 at first contacts stressed deflection with workpiece 7; also deflect with its clamping portion 2 of fixedlying connected by rib 4 thereupon; and closely fixing angles of chaining pin 6 deflections of drive and described clamping portion 2; thereby sending radio signal, the inductor (not shown)s in the triggering gauge head body 5 allow lathe in time shut down; thereby avoid gauge head body 5 directly with workpiece 7 bumps and be damaged, finally reach the purpose of protecting gauge head 1.
Below each part of the utility model is described in detail.
Shown in Fig. 3 A and Fig. 3 B, described clamping portion 2 is located at the center of described outer ring 3, is cylindrical shape, offers one that axially be provided with and can hold the through hole 21 that described chaining pin 6 is inserted on it.For chaining pin 6 being fixed to better in the through hole 21 of clamping portion 2, also offer fixing perpendicular to its axis in the described clamping portion 2 with clamping hole 22, present embodiment specifically offers 2 symmetrical clamping holes 22, described clamping hole 22 all cooperates with a securing member (not shown), and the described securing member of present embodiment specifically adopts the machine-processed rice screw.During assembling, the machine-processed rice screw is screwed in clamping hole 22 interior also supporting terminate on the chaining pin 6, thereby chaining pin 6 is fixed in the through hole 21 of clamping portion 2.
Further, be connected by at least one rib 4 between described clamping portion 2 and the described outer ring 3, the described rib 4 of present embodiment is specially 3, and evenly is provided with.Described outer ring 3 is a circular configuration; its external diameter is greater than the external diameter of gauge head body 5; to guarantee when maloperation occurring; outer ring 3 all contacts with workpiece 7 and stressed deflecting prior to gauge head body 5 360 ° circumference range; also deflect with its clamping portion 2 of fixedlying connected by rib 4 thereupon; and closely fixing angles of chaining pin 6 deflections of drive and described clamping portion 2; thereby the inductor (not shown) that triggers in the gauge head body 5 is sent radio signal; can control machine motor immediately when the signal that sends according to induction installation when receiver 8 is judged the malposition of chaining pin 6 quits work; thereby avoid gauge head body 5 directly with workpiece 7 bumps and damage, finally reach the purpose of protecting gauge head 1.
Further, described clamping portion 2, outer ring 3 and rib 4 are aluminium material, and one processes.Aluminium density is little, and other metal material is slimmer and more graceful relatively, when contacting with workpiece 7 sensitivity higher, easier power is passed to chaining pin 6.
Shown in Fig. 4 A and Fig. 4 B; gauge head 6 is behind protection device for installing; imported the height of workpiece 7 low even maloperation appears in the operator; gauge head 6 does not contact with workpiece 7 when moving downward yet; but because of the external diameter of the outer ring 3 of protective device external diameter greater than described gauge head body 5; so outer ring 3 at first contacts stressed deflection with workpiece 7; also deflect with its clamping portion 2 of fixedlying connected by rib 4 thereupon; and closely fixing angle of chaining pin 6 deflections of drive and described clamping portion; thereby the inductor that triggers in the gauge head body 5 sends signal; can control machine motor immediately when the signal that sends according to induction installation when receiver 8 is judged the malposition of chaining pin 6 quits work; thereby avoided the direct bump of gauge head body 5 bottoms and workpiece 7 to damage, reached the purpose of protection gauge head 1.Equally; if the operator is too high with the height input of workpiece 7; gauge head 1 is when moving to the left or to the right; the outer ring 3 of described protective device also can contact earlier with workpiece 7 any point on its circumference; stressed deflection; drive angle of chaining pin 6 deflections, thereby avoid the side of gauge head body 5 can directly hit on workpiece and damage, reach the purpose of protection gauge head 1.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (6)
1, a kind of protective device of gauge head; described gauge head is fixedly arranged on the end of a chaining pin; described chaining pin is fixedly arranged on the gauge head body; it is characterized in that: this protective device comprises that a clamping portion and that is used for fixing gauge head is used to protect the outer ring of described gauge head; described clamping portion is located in the described outer ring; fixedly connected by at least one rib between described clamping portion and the outer ring, and the external diameter of described outer ring is greater than the external diameter of described gauge head body.
2, the protective device of a kind of gauge head as claimed in claim 1 is characterized in that: described clamping portion is located at the center of described outer ring.
3, the protective device of a kind of gauge head as claimed in claim 2; it is characterized in that: described clamping portion is a cylindrical shape; offer one that axially be provided with and can hold the through hole that described chaining pin is inserted on it; also offer the clamping hole perpendicular to its axis in the described clamping portion, described clamping hole cooperates with a securing member.
4, the protective device of a kind of gauge head as claimed in claim 3 is characterized in that: described securing member is the machine-processed rice screw, and described machine-processed rice screw screws in the described clamping hole and supports and terminates on the described chaining pin.
5, the protective device of a kind of gauge head as claimed in claim 1 is characterized in that: described rib is 3, and evenly is provided with.
6, the protective device of a kind of gauge head as claimed in claim 1 is characterized in that: described clamping portion, rib and outer ring are aluminium material, and one is processed into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201334146U CN201423555Y (en) | 2009-06-29 | 2009-06-29 | Protective device for measuring head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201334146U CN201423555Y (en) | 2009-06-29 | 2009-06-29 | Protective device for measuring head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201423555Y true CN201423555Y (en) | 2010-03-17 |
Family
ID=42022991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201334146U Expired - Fee Related CN201423555Y (en) | 2009-06-29 | 2009-06-29 | Protective device for measuring head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201423555Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802027A (en) * | 2015-05-04 | 2015-07-29 | 北京理工大学 | Dynamic protecting device for machine tool cutting force sensor |
| CN113547386A (en) * | 2021-07-07 | 2021-10-26 | 合肥亿恒智能科技有限公司 | Ground strip subassembly processing is with lathe based on response mechanism |
-
2009
- 2009-06-29 CN CN2009201334146U patent/CN201423555Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802027A (en) * | 2015-05-04 | 2015-07-29 | 北京理工大学 | Dynamic protecting device for machine tool cutting force sensor |
| CN113547386A (en) * | 2021-07-07 | 2021-10-26 | 合肥亿恒智能科技有限公司 | Ground strip subassembly processing is with lathe based on response mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shenzhen Skyworth Precision Technology Co., Ltd. Assignor: Shenzhen Skyworth-RGB Electronics Co., Ltd. Contract record no.: 2010440020046 Denomination of utility model: Protective device for measuring head Granted publication date: 20100317 License type: Exclusive License Record date: 20100513 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100317 Termination date: 20180629 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |