CN218874029U - Clamp for fixing electrode of spark machine - Google Patents

Abstract

A clamp for fixing an electrode of a spark machine, comprising: chuck, blind rivet, base and regulating part, chuck, blind rivet and base are installed fixedly in proper order, and the regulating part includes: the extension rod and the adapter block can be selectively installed and fixed on the adapter block, when the extension rod is installed and fixed on the adapter block, the base and the extension rod are installed and fixed, and when the extension rod is not installed and fixed on the adapter block, the base and the adapter block are installed and fixed. The clamp with the structure can realize the fixation between the mechanical arm and the electrode of the spark machine, can meet the requirement of the spark machine on deep cavity processing in a mode of installing the fixed extension rod, does not need to use the lengthened electrode, and reduces the cost of the spark machine on deep cavity processing.

Description

Clamp for fixing electrode of spark machine

Technical Field

The utility model relates to an anchor clamps especially relate to an anchor clamps that fixed spark machine electrode was used.

Background

A spark machine is a device that performs a machining function by discharging electricity from an electrode, and in order to control the movement of the electrode, the electrode is usually fixed to a robot arm of the spark machine using a jig. At present, can be provided with the deep cavity on some work pieces, in order to realize the processing to the deep cavity, need change the ordinary type electrode on the spark machine into the elongated electrode to satisfy the demand of processing to the deep cavity bottom.

However, electrodes are typically formed of pure copper or graphite materials, which are relatively expensive, and the use of elongated electrodes can add significantly to the cost of machining the spark machine.

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 anchor clamps that fixed spark machine electrode was used, anchor clamps include: chuck, blind rivet, base and regulating part, chuck, blind rivet and base are installed fixedly in proper order, the regulating part includes: the extension rod is selectively fixedly arranged on the adapter block, when the extension rod is fixedly arranged on the adapter block, the base is fixedly arranged with the extension rod, and when the extension rod is not fixedly arranged on the adapter block, the base is fixedly arranged with the adapter block.

Further, the chuck includes: shell, piston, spring, a rivet section of thick bamboo and ball, the shell has air flue and cavity, the piston can set up in the inside of cavity and separate into epicoele and lower chamber with the cavity with reciprocating, the epicoele intercommunication of air flue and cavity, the upper end and the piston contact of spring, the lower extreme of spring and the diapire contact of cavity, the piston has central passageway, the lateral wall of central passageway has the indent ring, a rivet section of thick bamboo passes central passageway, a rivet section of thick bamboo has the grafting passageway, during the rivet inserts the grafting passageway, the lateral wall of grafting passageway has the pearl hole, the ball is located the pearl hole, and the diameter of ball is greater than the degree of depth in pearl hole, works as when the air flue is in the state of admitting air, the indent ring staggers with the pearl hole, works as when the air flue is in the state of not admitting air, the indent ring is just right with the pearl hole.

Further, the chuck further includes: and the air nozzle is positioned on the side surface of the shell and is communicated with the air passage.

Further, the chuck further includes: chuck screw and chuck nut, the upper surface of shell has the bar hole, the chuck screw passes behind the bar hole with the meshing of chuck nut, the screw head of chuck screw is located the downside in bar hole, and the chuck nut is located the upside in bar hole.

Further, the lower surface of the housing has a housing boss, and the base includes: the positioning piece is positioned on the upper surface of the base body and provided with a reference hole, and the boss of the shell is inserted into the reference hole.

Further, the blind rivet comprises: the blind rivet comprises a blind rivet screw and a screw sleeve, wherein the blind rivet screw penetrates through the screw sleeve, the side surface of the screw sleeve is provided with an outer concave ring and a plurality of clamping angles, and the outer concave ring is opposite to the bead hole; the positioning plate is further provided with a positioning hole and a plurality of reference notches, the clamping angles are respectively inserted into the reference notches, the upper surface of the seat body is provided with a seat body screw hole, and the blind rivet screw penetrates through the positioning hole and is meshed with the seat body screw hole.

Further, the blind rivet further comprises: the sealing washer, the sealing washer sets up around the side surface of screw sleeve, the sealing washer is with the lateral wall in close contact with of grafting passageway.

Further, the base further includes: the screw head of the base screw is arranged at the lower end of the seat body, and the lower surface of the seat body is provided with a seat body boss; the adjusting member further includes: adjusting screw and electrode screw, adjusting screw's screw head sets up in the lower extreme of extension rod, electrode screw's screw head sets up in the lower extreme of adaptation piece, the upper surface of extension rod has body of rod screw and body of rod benchmark groove, the lower surface of extension rod has the body of rod boss, the upper surface of adaptation piece has adaptation screw and adaptation benchmark groove, works as when the extension rod installation is fixed on the adaptation piece, base screw and body of rod screw meshing, the pedestal boss inserts in the body of rod benchmark groove, adjusting screw and adaptation screw meshing, the body of rod boss inserts in the adaptation benchmark groove, works as when the extension rod is not installed and is fixed on the adaptation piece, base screw and adaptation screw meshing, the pedestal boss inserts in the adaptation benchmark groove.

After the technical scheme is adopted, the beneficial effects of the utility model are that: the clamp with the structure can realize the fixation between the mechanical arm and the electrode of the spark machine, can meet the requirement of the spark machine on deep cavity processing in a mode of installing the fixed extension rod, does not need to use the lengthened electrode, and reduces the cost of the spark machine on deep cavity processing.

Drawings

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

fig. 2 is a vertical sectional view of a jig according to the present invention;

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

fig. 4 is a schematic view of a blind rivet according to the present invention;

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

fig. 6 is a schematic view of an adjusting member according to the present invention.

Detailed Description

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

the utility model provides an anchor clamps that fixed spark machine electrode was used, combine that 1~2 is shown, anchor clamps include: chuck 1, blind rivet 2, base 3 and regulating part 4, chuck 1, blind rivet 2 and base 3 install in proper order fixedly, and regulating part 4 includes: the extension rod 41 and the adapter block 42 can be selectively fixed on the adapter block 42, the base 3 and the extension rod 41 can be fixedly fixed when the extension rod 41 is fixedly fixed on the adapter block 42, and the base 3 and the adapter block 42 can be fixedly fixed when the extension rod 41 is not fixedly fixed on the adapter block 42.

Before using the above-described jig, the chuck 1 is attached and fixed to a robot arm of a spark machine, and the electrode 100 of the spark machine is attached and fixed to the lower side of the fitting block 42. When processing a common workpiece, the extension rod 41 is detached from the adapter block 42, and the base 3 and the adapter block 42 are fixed, so that the electrode 100 is fixed on the mechanical arm to match the processing operation; when a workpiece with a deep cavity is processed, the extension rod 41 is fixedly arranged on the adapter block 42, the base 3 and the extension rod 41 are fixedly arranged, so that the electrode 100 is fixed on the mechanical arm, and the electrode 100 can reach the bottom of the deep cavity to meet the requirement of deep cavity processing.

Therefore, the clamp with the structure can realize the fixation between the mechanical arm and the electrode of the spark machine, can meet the requirement of the deep cavity processing of the spark machine in a mode of installing the fixed extension rod, does not need to use the lengthened electrode, and reduces the cost of the deep cavity processing of the spark machine.

Specifically, the chuck 1 includes: the air channel 111 is communicated with the upper cavity of the cavity 112, the upper end of the spring 13 is in contact with the piston 12, the lower end of the spring 13 is in contact with the bottom wall of the cavity 112, the piston 12 is provided with a central channel 121, the side wall of the central channel 121 is provided with an inner concave ring 122, the nail pulling barrel 14 penetrates through the central channel 121, the nail pulling barrel 14 is provided with an inserting channel 141, a pull nail 2 is inserted into the inserting channel 141, the side wall of the inserting channel 141 is provided with a ball hole 142, the ball 15 is located in the ball hole 142, the diameter of the ball 15 is larger than the depth of the ball hole 142, when the air channel 111 is in an air inlet state, the inner concave ring 122 is staggered with the ball hole 142, and when the air channel 111 is in a non-air inlet state, the inner concave ring 122 is opposite to the ball hole 142. The utility model discloses an anchor clamps accessible switches air flue 111's the state of admitting air and the non-state of admitting air controls the release and the fixed operation of installation to blind rivet 2. Specifically, when the air passage 111 is in the air intake state, the piston 12 (i.e., the side wall of the central passage 121) applies a force to the ball 15 toward the insertion passage 141 due to the misalignment between the concave ring 122 and the ball hole 142, and the blind rivet 2 is pressed and fixed by the ball 15; when the air passage 111 is in a non-air inlet state, the piston 12 does not apply a force to the ball 15 towards the insertion channel 141 because the concave ring 122 is opposite to the ball hole 142, and the worker can pull the pull stud 2 out of the chuck 1. In the present embodiment, the springs 13, the balls 15 and the ball holes 142 are all plural, the springs 13 and the ball holes 142 are respectively arranged in a circumferential array of 360 ° around the axis of the housing 11, and the balls 15 are respectively located in the ball holes 142.

More specifically, as shown in fig. 3, the chuck 1 further includes: and a gas nozzle 16, the gas nozzle 16 being located at a side surface of the housing 11 and communicating with the gas passage 111. The air nozzle 16 is used for connecting with a cylinder of an air pump, thereby performing an air intake operation.

More specifically, the chuck 1 further includes: chuck screw 17 and chuck nut 18, the upper surface of shell 11 has bar hole 113, and chuck screw 17 passes behind the bar hole 113 and meshes with chuck nut 18, and chuck screw 17's screw head is located the downside of bar hole 113, and chuck nut 18 is located the upside of bar hole 113. The chuck nut 18 is used for being installed on a mechanical arm of the spark machine, and the chuck 1 is installed and fixed on the mechanical arm through the cooperation of the chuck screw 17 and the chuck nut 18. In addition, the relative positions of the chuck screws 17 and the strip-shaped holes 113 can be adjusted to adapt to different types of mechanical arms. In the present embodiment, the strip-shaped holes 113 are plural, and the plural strip-shaped holes 113 are arranged in a radial direction of the housing 11 and are arranged in a circumferential array of 360 ° around the axis of the housing 11. It should be noted that, in the present embodiment, the housing 11 is a separate structure, and the worker screws the chuck screw 17 into the chuck nut 18 and then completes the assembly of the housing 11, and the chuck 1 and the robot arm usually keep a fixed state, except that the chuck 1 is damaged or the chuck 1 does not generally need to be detached from the robot arm in the case of maintenance.

More specifically, as shown in fig. 3 and 5, the lower surface of the housing 11 has a housing boss 114, and the base 3 includes: positioning piece 31 and retainer 32, positioning piece 31 is located on the upper surface of retainer 32, positioning piece 31 has reference hole 311, and shell boss 114 inserts in reference hole 311. Through the cooperation of shell boss 114 and benchmark hole 311, can play the alignment effect between chuck 1 and the base 3, make things convenient for the workman to install accurately. In this embodiment, the housing bosses 114 and the reference holes 311 are plural, the plural housing bosses 114 are arranged in a circumferential array of 360 ° around the axis of the housing 11, and the plural housing bosses 114 are respectively inserted into the plural reference holes 311.

More specifically, and as shown in connection with fig. 4 and 5, the blind rivet 2 comprises: the blind rivet comprises a blind rivet screw 21 and a screw sleeve 22, wherein the blind rivet screw 21 penetrates through the screw sleeve 22, the side surface of the screw sleeve 22 is provided with an external concave ring 221 and a plurality of clamping angles 222, and the external concave ring 221 is opposite to the ball hole 142; the positioning plate 31 further has a positioning hole 312 and a plurality of reference notches 313, the plurality of clamping corners 222 are respectively inserted into the plurality of reference notches 313, the upper surface of the seat body 32 has a seat body screw hole 321, and the blind rivet screw 21 passes through the positioning hole 312 and is engaged with the seat body screw hole 321. When the air passage 111 is in a non-air inlet state, a part of the ball 15 enters the outer concave ring 221, so that the screw sleeve 22 is fixed, and the installation and fixation between the chuck 1 and the blind rivet 2 are realized; the blind rivet screw 21 can be rotatably arranged relative to the screw sleeve 22, and the mounting and fixing between the blind rivet 2 and the base 3 can be realized through the matching of the blind rivet screw 21 and the screw hole 321 of the base body; through the cooperation of card angle 222 and benchmark breach 313, can play the alignment effect between blind rivet 2 and the base 3, make things convenient for the workman to install accurately.

More specifically, the blind rivet 2 further comprises: and a sealing ring 23, wherein the sealing ring 23 is arranged around the side surface of the screw boss 22, and the sealing ring 23 is tightly contacted with the side wall of the inserting channel 141. By arranging the sealing ring 23, the sealing performance of the plugging channel 141 can be improved, and the problem that the matching of the ball 15 and the outer concave ring 221 is influenced due to the entering of impurities is avoided.

More specifically, as shown in fig. 2, 5 and 6 in conjunction, the base 3 further includes: a base screw 33, a screw head of the base screw 33 is arranged at the lower end of the seat body 32, and a seat body boss 322 is arranged on the lower surface of the seat body 32; the adjusting member 4 further includes: adjusting screw 43 and electrode screw 44, the screw head of adjusting screw 43 sets up in the lower extreme of extension rod 41, the screw head of electrode screw 44 sets up in the lower extreme of adaptation piece 42, the upper surface of extension rod 41 has body of rod screw 411 and body of rod benchmark groove 412, the lower surface of extension rod 41 has body of rod boss 413, the upper surface of adaptation piece 42 has adaptation screw 421 and adaptation benchmark groove 422, when extension rod 41 is installed and is fixed on adaptation piece 42, base screw 33 meshes with body of rod screw 411, body of the seat boss 322 inserts in body of the rod benchmark groove 412, adjusting screw 43 meshes with adaptation screw 421, body of the rod boss 413 inserts in adaptation benchmark groove 422, when extension rod 41 is not installed and is fixed on adaptation piece 42, base screw 33 meshes with adaptation screw 421, body of the seat boss 322 inserts in adaptation benchmark groove 422. Wherein, the electrode screw 44 is used for engaging with a screw hole on the electrode 100, thereby fixing the electrode 100; base screw 33 is limited at the lower end of seat 32 and can be rotatably arranged relative to seat 32; a screw head of the adjusting screw 43 is defined at a lower end of the extension bar 41 and rotatably provided with respect to the extension bar 41; the screw head of the electrode screw 44 is defined at the lower end of the adapter block 42 and is rotatably disposed with respect to the adapter block 42. When the extension rod 41 is installed and fixed on the adapting block 42, the base 3 and the extension rod 41 are installed and fixed through the matching of the base screw 33 and the rod body screw hole 411, the alignment effect between the base 3 and the extension rod 41 is realized through the matching of the base body boss 322 and the rod body reference groove 412, the installation and the fixation between the extension rod 41 and the adapting block 42 are realized through the matching of the adjusting screw 43 and the adapting screw hole 421, and the alignment effect between the extension rod 41 and the adapting block 42 is realized through the matching of the rod body boss 413 and the adapting reference groove 422; when the extension rod 41 is not installed and fixed on the adapting block 42, the base 3 and the adapting block 42 are installed and fixed through the matching of the base screw 33 and the adapting screw hole 421, and the alignment between the base 3 and the adapting block 42 is achieved through the matching of the base boss 322 and the adapting reference groove 422. In this embodiment, the base bosses 322, the rod body reference grooves 412, the rod body bosses 413, the adaptive reference grooves 422 and the electrode screws 44 are all plural, the plural rod body reference grooves 412 are arranged in a circumferential array of 360 ° around the axis of the extension rod 41, and the plural adaptive reference grooves 422 are arranged in a circumferential array of 360 ° around the axis of the adaptive block.

Claims (8)

1. The utility model provides a anchor clamps that fixed spark machine electrode was used which characterized in that: the jig includes: chuck, blind rivet, base and regulating part, chuck, blind rivet and base are installed fixedly in proper order, the regulating part includes: the extension rod is selectively fixedly arranged on the adapter block, when the extension rod is fixedly arranged on the adapter block, the base is fixedly arranged with the extension rod, and when the extension rod is not fixedly arranged on the adapter block, the base is fixedly arranged with the adapter block.

2. The jig for fixing an electrode of a spark machine according to claim 1, wherein: the chuck includes: shell, piston, spring, a rivet section of thick bamboo and ball, the shell has air flue and cavity, the piston can set up in the inside of cavity and separate into epicoele and lower chamber with the cavity with reciprocating, the epicoele intercommunication of air flue and cavity, the upper end and the piston contact of spring, the lower extreme of spring and the diapire contact of cavity, the piston has central passageway, the lateral wall of central passageway has the indent ring, a rivet section of thick bamboo passes central passageway, a rivet section of thick bamboo has the grafting passageway, during the rivet inserts the grafting passageway, the lateral wall of grafting passageway has the pearl hole, the ball is located the pearl hole, and the diameter of ball is greater than the degree of depth in pearl hole, works as when the air flue is in the state of admitting air, the indent ring staggers with the pearl hole, works as when the air flue is in the state of not admitting air, the indent ring is just right with the pearl hole.

3. The jig for fixing an electrode of a spark machine according to claim 2, wherein: the chuck further includes: and the air nozzle is positioned on the side surface of the shell and is communicated with the air passage.

4. The jig for fixing a spark machine electrode according to claim 2, characterized in that: the chuck further includes: chuck screw and chuck nut, the upper surface of shell has the bar hole, the chuck screw passes behind the bar hole and meshes with the chuck nut, the screw head of chuck screw is located the downside in bar hole, and the chuck nut is located the upside in bar hole.

5. The jig for fixing a spark machine electrode according to claim 2, characterized in that: the lower surface of the housing has a housing boss, and the base includes: the positioning piece is positioned on the upper surface of the base body and provided with a reference hole, and the boss of the shell is inserted into the reference hole.

6. The jig for fixing an electrode of a spark machine according to claim 5, wherein: the blind rivet includes: the blind rivet comprises a blind rivet screw and a screw sleeve, wherein the blind rivet screw penetrates through the screw sleeve, the side surface of the screw sleeve is provided with an outer concave ring and a plurality of clamping angles, and the outer concave ring is opposite to the bead hole; the positioning plate is further provided with a positioning hole and a plurality of reference notches, the clamping angles are respectively inserted into the reference notches, a seat body screw hole is formed in the upper surface of the seat body, and the rivet screw penetrates through the positioning hole and is meshed with the seat body screw hole.

7. The jig for fixing an electrode of a spark machine according to claim 6, wherein: the blind rivet further comprises: the sealing washer, the sealing washer sets up around the side surface of screw sleeve, the sealing washer is with the lateral wall in close contact with of grafting passageway.

8. The jig for fixing an electrode of a spark machine according to claim 5, wherein: the base further includes: the screw head of the base screw is arranged at the lower end of the seat body, and the lower surface of the seat body is provided with a seat body boss; the adjusting member further includes: adjusting screw and electrode screw, adjusting screw's screw head sets up in the lower extreme of extension rod, the screw head of electrode screw sets up in the lower extreme of adaptation piece, the upper surface of extension rod has body of rod screw and body of rod reference groove, the lower surface of extension rod has the body of rod boss, the upper surface of adaptation piece has adaptation screw and adaptation reference groove, works as when the extension rod installation is fixed on the adaptation piece, the base screw meshes with the body of rod screw, the pedestal boss inserts in the body of rod reference groove, adjusting screw and adaptation screw meshing, during the body of rod boss inserted the adaptation reference groove, work as when the extension rod is not installed and is fixed on the adaptation piece, the base screw meshes with the adaptation screw, the pedestal boss inserts in the adaptation reference groove.

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