CN214276709U

CN214276709U - Measuring head

Info

Publication number: CN214276709U
Application number: CN202023242536.4U
Authority: CN
Inventors: 吴德顺
Original assignee: Shanghai Shuoli Mechanical Equipment Co ltd
Current assignee: Shanghai Shuoli Mechanical Equipment Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-24
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a gauge head, include: the main body, install the light source subassembly in the main body, the light source subassembly includes circuit board, pilot lamp and signal transmitter, the cover is equipped with the protection ring outside the light source subassembly, the cylinder is installed outside the main body bottom, the cylinder output end is connected with L type push rod one end, L type push rod other end is connected with the baffle, main body lower surface periphery installs the annular arm, the main body lower surface intermediate position is installed the connecting block, the stylus is installed to the connecting block below, the stylus bottom is installed the contact, through setting up the baffle, on the one hand when the gauge head is shut down, the baffle can play the guard action to the contact, on the other hand, when the gauge head is working condition, the baffle material is that the infrared ray pierces through the PC material, the baffle can effectively prevent external light from entering the body, is favorable to the clear observation indicating signal of staff, the baffle can filter out the mottled light source that sends simultaneously, the stable display of pilot lamp and the stable transmission of information are favorable to.

Description

Measuring head

Technical Field

The utility model relates to a numerical control adds a bed on-line measuring field, concretely relates to gauge head.

Background

The application of the numerical control machine tool greatly improves the machining efficiency, and the characteristics of high speed, high precision, automatic machining and high yield greatly reduce the production cost and directly improve the competitiveness of products. However, in the process of machining a product, it is sometimes necessary to measure the intermediate dimension of the product to control the production quality, and there are cases where the machining position of the workpiece is changed and the cutting tool is adjusted, and these auxiliary actions take up a lot of machining time, and therefore, as the numerically controlled machine tool is developed, an automatic measuring technique is developed.

The numerical control machine tool measuring head is a device which is arranged on a main shaft of a machine tool and is used for directly measuring the size and the position of a tool or a workpiece, the measuring head generally feeds back the power supply communication state and the measuring needle touch condition through optical signals, however, in the machining process, more light interference exists, the optical signals fed back by the measuring head are not clear or unstable, the condition needs to be considered and solved, and meanwhile, when the measuring head is not used, the contact lacks effective protective measures, and the damage of the contact is easily caused.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: in order to avoid the interference of an external light source and avoid the damage of the contact caused by the lack of effective protection measures when the contact is not in use.

The utility model discloses solve technical problem and the technical scheme who takes does: a probe, comprising: the main part, install the light source subassembly in the main part, the light source subassembly includes circuit board (not marking), pilot lamp (not marking) and signal transmitter (not marking), light source subassembly outside cover is equipped with the protection ring, the cylinder is installed in the main part bottom outside, the cylinder output is connected with L type push rod one end, the L type push rod other end is connected with the baffle, main part lower surface periphery installs annular arm, the connecting block is installed to main part lower surface intermediate position, the gauge needle is installed to the connecting block below, the contact is installed to the gauge needle bottom.

The protection ring material is quartz glass, the baffle material is that the infrared ray pierces through the PC material, baffle vertical direction length can cover the protection ring.

Evenly seted up three mounting groove in the annular arm, it is three all install first spring in the mounting groove, it is three first spring all is connected with sliding plate one end, and is three the spout has all been seted up on the mounting groove cell wall, and is three sliding plate sliding connection has the spout, and is three the sliding plate other end all is connected with first bracing piece one end, and is three the arc is all installed to the first bracing piece other end.

The arc all is provided with the blotter, and is three the blotter laminates with the connecting block mutually.

The siphunculus is installed to annular arm bottom inboard, be equipped with the lumen in the siphunculus, install the second spring in the lumen, second spring coupling has second bracing piece one end, the second bracing piece other end is connected with the sleeve pipe.

The sleeve is sleeved outside the measuring needle.

The beneficial effects of the utility model are that, through setting up the baffle, on the one hand when gauge head machine state, the baffle can play the guard action to the contact, on the other hand, when gauge head operating condition, the baffle material pierces through the PC material for the infrared ray, the baffle can prevent effectively that external light from getting into the body, be favorable to the clear observation pilot signal of staff, the while baffle can filter the mottled light source that the light source subassembly sent, be favorable to the stable transmission of demonstration and the information of pilot lamp, through setting up first spring, the sliding plate, the spout, first bracing piece, arc and blotter, thereby prevent that cracked condition from appearing when the measuring stylus passes through connecting block and this body coupling, through setting up the second spring, second bracing piece and sleeve pipe, thereby prevent that the condition of buckling from taking place for the measuring stylus atress, guarantee the life of body.

Drawings

FIG. 1 is a schematic view of a half-section structure of the present invention;

FIG. 2 is a schematic structural view of part A of the present invention;

FIG. 3 is a schematic top sectional view of the present invention;

fig. 4 is a schematic structural diagram of part B of the present invention.

In the figure: 1. a body; 2. a light source assembly; 3. a guard ring; 4. a cylinder; 5. an L-shaped push rod; 6. a baffle plate; 7. an annular arm; 8. connecting blocks; 9. measuring a needle; 10. a contact; 11. a sleeve; 12. mounting grooves; 13. a first spring; 14. a sliding plate; 15. a chute; 16. a first support bar; 17. an arc-shaped plate; 18. a cushion pad; 19. pipe passing; 20. a lumen; 21. a second spring; 22. a second support bar.

Detailed Description

The present invention will now be described in further detail with reference to the drawings, wherein the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the product of the present invention is conventionally placed in use, and are used for convenience of description, and the description is simplified, but the indication or suggestion that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Referring to fig. 1, a probe includes: the measuring head comprises a main body 1, a light source component 2 is installed in the main body 1, the light source component 2 comprises a circuit board (not marked), an indicator lamp (not marked) and a signal transmitter (not marked), a protection ring 3 is sleeved outside the light source component 2, an air cylinder 4 is installed outside the bottom end of the main body 1, the output end of the air cylinder 4 is connected with one end of an L-shaped push rod 5, the other end of the L-shaped push rod 5 is connected with a baffle 6, an annular arm 7 is installed on the periphery of the lower surface of the main body 1, a connecting block 8 is installed in the middle of the lower surface of the main body 1, a measuring needle 9 is installed below the connecting block 8, a contact 10 is installed at the bottom end of the measuring needle 9, the protection ring 3 is made of quartz glass, the baffle 6 is made of an infrared penetrating PC material, the protection ring 3 can be covered by the vertical length of the baffle 6, when the measuring head is in a working state, the light source component 2 comprises the circuit board (not marked), the indicator lamp (not marked) and the signal transmitter (not marked), the indicating lamp in the light source component 2 generally needs to indicate the on-off state of a power supply, and the state of the contact 10 touching a workpiece, so that various colored lights such as red light, blue light and yellow light can be used for indicating, meanwhile, the contact 10 needs to transmit position information when touching the workpiece, and infrared light can be used for information transmission, through arranging the air cylinder 4, the output end of the air cylinder 4 is connected with one end of an L-shaped push rod 5, the other end of the L-shaped push rod 5 is connected with a baffle 6, the protection ring 3 can be covered by setting the length of the baffle 6 in the vertical direction, the baffle 6 is made of a PC material through which infrared rays penetrate, the baffle 6 can effectively prevent external light from entering the main body 1, so that a worker can clearly observe an indicating signal, meanwhile, the baffle 6 can filter out a mixed color light source emitted by the light source 2, through setting up protection ring 3, protection ring 3 adopts quartz glass, thereby the light that light source subassembly 2 sent can pass through protection ring 3, when the gauge head shutdown state, cylinder 4 drives L type push rod 5 and moves down, L type push rod 5 moves down and drives baffle 6 and move down, thereby cylinder 4 drives baffle 6 and moves down, move to contact 10 department when baffle 6, thereby play the guard action to contact 10, avoid contact 10 because lack the emergence of the damage condition that protective measure caused when the gauge head shutdown state.

Referring to the attached

drawings

1, 2 and 3, three mounting grooves 12 are uniformly formed in an annular arm 7, first springs 13 are respectively mounted in the three mounting grooves 12, the three first springs 13 are respectively connected with one end of a sliding plate 14, sliding grooves 15 are respectively formed in the groove walls of the three mounting grooves 12, the three sliding plates 14 are respectively connected with the sliding grooves 15 in a sliding manner, the other ends of the three sliding plates 14 are respectively connected with one end of a first supporting rod 16, arc-shaped plates 17 are respectively mounted at the other ends of the three first supporting rods 16, buffering pads 18 are respectively arranged on the three arc-shaped plates 17, the three buffering pads 18 are attached to a connecting block 8, when the body 1 starts to work, the measuring probe 9 measures an object, when a contact 10 contacts the object, the measuring probe 9 is forced laterally, by arranging the connecting block 8, the connecting block 8 and the buffering pads 18 are attached to each other, the buffering pads 18 are mounted on the arc-shaped plates 17, and the measuring probe 9 is mounted below the connecting block 8, thereby when the survey pin 9 receives the side direction when exerting oneself, transmit power to arc 17 through connecting block 8 and blotter 18, through setting up arc 17, arc 17 is connected with first bracing piece 16 one end, the first bracing piece 16 other end is connected with sliding plate 14, thereby arc 17 atress will exert oneself through first bracing piece 16 and transmit to sliding plate 14 on, through setting up sliding

plate

14, 14 sliding connection of sliding plate has spout 15, sliding plate 14 is connected with first spring 13, thereby under the effect of first spring 13, cushion the power that sliding plate 14 received, thereby avoid connecting block 8's surface to produce wearing and tearing, the cracked condition appears when preventing that survey pin 9 from being connected with body 1 through connecting block 8.

Combine fig. 1 and fig. 4 to show, siphunculus 19 is installed to annular arm 7 bottom inboard, be equipped with lumen 20 in the siphunculus 19, install second spring 21 in the lumen 20, second spring 21 is connected with second bracing piece 22 one end, the second bracing piece 22 other end is connected with sleeve pipe 11, sleeve pipe 11 suit is in the measuring needle 9 outside, through setting up sleeve pipe 11, sleeve pipe 11 suit is in the measuring needle 9 outside, sleeve pipe 11 is connected with second bracing piece 22, thereby second bracing piece 22 can produce holding power to measuring needle 9, through setting up second bracing piece 22, second bracing piece 22 is connected with second spring 21, thereby second spring 21 can play the cushioning effect to the holding power that produces on second bracing piece 22, thereby prevent that measuring needle 9 atress from taking place the condition of buckling, guarantee body 1's life.

The working principle is as follows: when the measuring head is in a working state, the light source component 2 is arranged, an indicator lamp in the light source component 2 generally needs to indicate the connection or disconnection state of a power supply, and the contact 10 touches a workpiece, so that various colored lights can be used for indication, such as red light, blue light and yellow light, meanwhile, the contact 10 needs to transmit position information when touching the workpiece, infrared light can be used for information transmission, the protection ring 3 can be covered by arranging the baffle 6 in the vertical direction, the baffle 6 is made of a PC material, the baffle 6 can effectively prevent external light from entering the main body 1, the clear observation of an indication signal by a worker is facilitated, meanwhile, the baffle 6 can filter a mixed color light source emitted by the light source component 2, the stable display of the indicator lamp and the stable transmission of information are facilitated, when the measuring head is in a stop state, the air cylinder 4 drives the baffle 6 to move downwards, the baffle 6 moves to the contact 10, thereby protecting the contact 10, avoiding the damage of the contact 10 caused by lack of protection measures in the stop state of the measuring head, by arranging the connecting block 8 to be attached to the cushion pad 18 on the arc-shaped plate 17, the measuring needle 9 is arranged below the connecting block 8, so that when the stylus 9 is subjected to a lateral force, the force applied to the stylus 9 is transmitted through the connecting block 8 to the first spring 13, through the first spring 13, thereby buffering the force on the measuring pin 9, preventing the measuring pin 9 from being broken when being connected with the body 1 through the connecting block 8, by arranging the sleeve 11, the sleeve 11 is sleeved outside the measuring needle 9, the sleeve 11 is connected with the second support rod 22, the second support rod 22 is connected with the second spring 21, therefore, under the action of the second spring 21, the bending of the measuring needle 9 under the stress is prevented, and the service life of the body 1 is ensured.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present invention, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A probe, characterized by: the method comprises the following steps: the main part, install the light source subassembly in the main part, the light source subassembly includes circuit board, pilot lamp and signal transmitter, the cover is equipped with the protection ring outside the light source subassembly, the cylinder is installed in the main part bottom outside, the cylinder output is connected with L type push rod one end, the L type push rod other end is connected with the baffle, main part lower surface periphery installs annular arm, the connecting block is installed to main part lower surface intermediate position, the gauge needle is installed to the connecting block below, the contact is installed to the gauge needle bottom.

2. A probe according to claim 1, wherein: the protection ring material is quartz glass, the baffle material is that the infrared ray pierces through the PC material, baffle vertical direction length can cover the protection ring.

3. A probe according to claim 1, wherein: evenly seted up three mounting groove in the annular arm, it is three all install first spring in the mounting groove, it is three first spring all is connected with sliding plate one end, and is three the spout has all been seted up on the mounting groove cell wall, and is three sliding plate sliding connection has the spout, and is three the sliding plate other end all is connected with first bracing piece one end, and is three the arc is all installed to the first bracing piece other end.

4. A probe according to claim 3, wherein: the arc all is provided with the blotter, and is three the blotter laminates with the connecting block mutually.

5. A probe according to claim 1, wherein: the siphunculus is installed to annular arm bottom inboard, be equipped with the lumen in the siphunculus, install the second spring in the lumen, second spring coupling has second bracing piece one end, the second bracing piece other end is connected with the sleeve pipe.

6. A probe according to claim 5, wherein: the sleeve is sleeved outside the measuring needle.