CN210769739U - Tool quick replacement device - Google Patents
Tool quick replacement device Download PDFInfo
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- CN210769739U CN210769739U CN201921239481.6U CN201921239481U CN210769739U CN 210769739 U CN210769739 U CN 210769739U CN 201921239481 U CN201921239481 U CN 201921239481U CN 210769739 U CN210769739 U CN 210769739U
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- female seat
- plate
- seat
- pin shaft
- groove
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Abstract
The utility model discloses a quick tool replacing device, which comprises a male seat, a female seat base plate and a female seat, wherein the front end of the female seat is provided with symmetrical guide slope blocks; the central position of the tail end of the female seat is provided with an air connecting head; the locking device is fixed at the tail end of the female seat and is connected with a push-pull air cylinder, and the push-pull air cylinder drives the locking device to lock or unlock the male seat; public seat, it includes public board, public board down, go up public board with be equipped with corresponding semicircular groove on the public board down respectively, will through fixing bolt go up public board and public board connection back down, semicircular groove corresponds and forms circular draw-in groove, wherein: the front end of the upper male plate is provided with an air receiving hole corresponding to the air receiving head, and the upper male plate is provided with at least one air receiving port communicated with the air receiving hole; the two sides of the upper male plate are provided with inclined surfaces which are matched with the guide inclined plane blocks.
Description
Technical Field
The utility model relates to a machining field, the more specifically say, an instrument quick replacement device.
Background
In the prior art, when equipment and tools need to be replaced quickly, repeated positioning accuracy is an important standard. The prior art generally adopts a disc type ball locking or pin locking mode, the equipment has high machining precision requirement, the requirement on the positioning precision of a matching part during switching is high, and the repeated positioning precision of the same matching part during repeated matching installation for many times completely depends on the machining precision of the matching part, so that the machining is difficult, the precision is limited, and the cost is high. Meanwhile, the initial position requirement during automatic pairing is determined to be high due to the working principle of the automatic pairing device.
SUMMERY OF THE UTILITY MODEL
Because prior art has above-mentioned technical problem, this application discloses a instrument quick replacement device, its aim at solve among the prior art to the pairing member machining precision requirement high, can't repeat the problem of accurate pairing.
In order to achieve the technical purpose, the following technical means are adopted:
a quick tool replacing device comprises a male seat, a female seat base plate and a female seat arranged on the female seat base plate, wherein two sides of the front end of the female seat are provided with guide slope blocks which are symmetrical about the central line of the female seat, and the opening angle of each slope block is gradually reduced from the front end of the female seat to the rear end of the female seat; the central position of the tail end of the female seat is provided with an air connecting head; the locking device is fixed at the tail end of the female seat and is connected with a push-pull air cylinder, and the push-pull air cylinder drives the locking device to lock or unlock the male seat; public seat, it includes public board, public board down, go up public board with be equipped with corresponding semicircular groove on the public board down respectively, will through fixing bolt go up public board and public board connection back down, semicircular groove corresponds and forms circular draw-in groove, wherein: the front end of the upper male plate is provided with an air receiving hole corresponding to the air receiving head, and the upper male plate is provided with at least one air receiving port communicated with the air receiving hole; the two sides of the upper male plate are provided with inclined surfaces which are matched with the guide inclined plane blocks.
Preferably, the locking device includes: the middle of the pinch plate is provided with a cam guide groove, and the cam guide groove comprises a first straight groove and a second straight groove communicated with the first straight groove; the edges of the first straight groove communicated with the second straight groove are inclined downwards at a certain angle; the front end of the pinch plate is provided with a groove; the tail end of the pinch plate is provided with a pin hole, and the pinch plate is connected with the push-pull cylinder through the pin hole; the first pin shaft and the second pin shaft are respectively fixed at the tail end of the female seat and are positioned in the cam guide groove, and the distance between the first pin shaft and the second pin shaft meets the requirement that when the first pin shaft is positioned at the tail end of the first straight groove, the second pin shaft is positioned at the intersection joint of the second straight groove and the first straight groove; the buckle plate rotates for a certain angle by taking the joint of the buckle plate and the push-pull air cylinder as an axis under the limitation of the first pin shaft and the second pin shaft and the driving of the push-pull air cylinder so as to lock or release the male seat.
Preferably, a boss is arranged on the upper surface of the front end of the upper male plate, and the boss is matched with the groove.
Preferably, the number of the female seats is two, the female seats are respectively fixed at two ends of the female seat substrate, and the push-pull air cylinder is a floating air cylinder, and is respectively connected with the two locking devices from two ends.
Preferably, the tail end of the female seat is provided with a pinch plate base, and the middle of the pinch plate base is provided with an accommodating gap so as to be embedded into the pinch plate; the pinch plate base is provided with two fixing holes, and the first pin shaft and the second pin shaft are fixed in the fixing holes.
Preferably, each guiding inclined plane block is provided with a fixing hole, and a positioning guide plate is fixedly connected with each guiding inclined plane block through a screw; the two positioning guide plates are symmetrical with the central line of the female seat.
Preferably, a plurality of adjusting holes are arranged on the guide inclined block.
Preferably, the number of the circular clamping grooves is two, one is in the vertical direction, the other is in the transverse direction, and the circular clamping grooves are used for limiting a connecting rod.
Preferably, the air receiving hole is provided in plurality.
Due to the adoption of the technical means, the tool quick replacement device is paired by using the double inclined planes, and ensures the absolute fit between the paired parts in a tensioning mode, so that the repeated positioning precision of the same paired workpieces during repeated pairing installation is ensured, and the repeated positioning precision is not limited by the processing precision. The principle of the inclined plane pairing simultaneously enables the inclined plane to guide automatically for pairing during automatic pairing, and the allowable error of the initial position is large. Because the requirements for machining accuracy are reduced, the manufacturing cost of the device is also reduced.
Drawings
FIG. 1 is a first schematic structural diagram of an embodiment of the present application;
FIG. 2 is a second structural schematic diagram of the embodiment of FIG. 1 of the present application;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is a schematic structural diagram of the female seat of the present embodiment;
FIG. 5 is a first schematic structural diagram of a male seat of the present embodiment;
FIG. 6 is a top view of FIG. 5;
fig. 7 is a schematic view illustrating the locking and unlocking principle of the locking device and the male seat of the present application.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Please refer to fig. 1, in which fig. 1 is a schematic structural diagram of an embodiment of the present application. In this embodiment, two female seats 2 are respectively disposed at two ends of the female seat substrate 1, a locking device 3 is fixed on each female seat 2, and two locking devices 3 are connected through a floating push-pull cylinder 4 to realize push-pull locking and unlocking with two male seats 5.
Please refer to fig. 1, fig. 2, fig. 3 and fig. 7. In this embodiment there are two sets of locking devices 3. Each locking device 3 is fixed at the tail end of the female seat 2, two locking devices 3 are connected with a push-pull cylinder 4 from one end, the push-pull cylinders 4 are floating, and the two locking devices 3 can be driven to move at the same time, so that the locking devices 3 are driven to lock or unlock the male seat 5.
Please refer to the drawings, the locking device 3 of the present application includes a buckle plate 31, a first pin 32 and a second pin 33. As shown in fig. 7, a cam guide slot 311 is disposed in the middle of the buckle 31, and the cam guide slot 311 includes a first straight slot 3111 and a second straight slot 3112 communicated with the first straight slot. The edge of the first straight groove 3111 communicating with the second straight groove 3112 is inclined downward at a certain angle, the diameter of the communicating part is matched with the diameter of the first pin shaft and the second pin shaft, and when the first pin shaft and the second pin shaft are located at the communicating part, the edge of the communicating part is tangent to the first pin shaft and the second pin shaft. The front end of the buckle plate 31 is provided with a groove 312, and the groove 314 is used for being butted with the front end of a counterpart, namely the male seat 5. The end of the pinch plate 31 is provided with a pin hole 315, and the pinch plate is connected with the push-pull cylinder 4 through the pin hole 315. The first pin shaft 32 and the second pin shaft 33 are respectively fixed at the end of the female seat 2 and located in the cam guide slot 311, and the distance between the first pin shaft 32 and the second pin shaft 33 is such that when the first pin shaft 32 is located at the end of the first straight groove 3111, the second pin shaft 33 is located at the junction (i.e. the communication position) between the second straight groove 3112 and the first straight groove 3111. The buckle plate 31 rotates by a certain angle A by taking the joint of the buckle plate 31 and the push-pull cylinder 4 as an axis under the restriction of the first pin shaft 32 and the second pin shaft 33 and the drive of the push-pull cylinder 4 so as to lock or release the male seat.
Referring to fig. 7, a schematic view of the locking and unlocking principle of the male seat of the locking device 3 of the present application is shown.
During locking, the male seat 5 is rapidly inserted into the female seat 2, and the male seat 5 is stopped after being blocked by the buckle plate 31, and is in the first state shown in fig. 7. Under the action of the push-pull cylinder 4, the buckle plate 31 is pulled inwards to move inwards, under the action of the profile of the cam guide groove 311, the buckle plate 31 only moves inwards for a small distance to reach the second state shown in fig. 7, the pin shaft 32 is tangent to the profile line 6, the buckle plate 31 rotates anticlockwise for an angle A in the process to reach the horizontal state, and at the moment, the boss 51 of the male seat 5 enters the groove 312. The push-pull cylinder 4 continues to pull the buckle plate 31 inwards, the buckle plate 31 pulls the male seat 5 to move inwards for a distance S through the boss 51, and the buckle plate 31 does not stop moving inwards until the buckle plate 31 is blocked by the pin shaft 32 or the male seat 5 is blocked by the female seat 2. During design, reasonable allowance is kept, and the situation that the male seat 5 is blocked by the female seat 2 before the buckle plate 31 is blocked by the pin shaft 33 is ensured.
When the locking is released, the push-pull cylinder 4 pushes the buckle plate 31 outwards, the buckle plate 31 performs the reverse action of the action, firstly moves outwards, the buckle plate 31 firstly touches the tail of the male seat 5 and pushes out the male seat 5 outwards, after the buckle plate 31 continues to move, the clockwise rotation angle A is formed, and the groove 312 in the buckle plate 31 is separated from the boss 51 on the male seat 5. At the moment, the female seat 2 is disconnected from the male seat 5.
The female seat 2 is fixed on the female seat substrate 1. Two sides of the front end of the female seat 2 are provided with guide inclined plane blocks 21 taking the central line of the female seat 2 as a symmetrical line, the opening angle of the guide inclined plane blocks 21 is gradually reduced from the front end of the female seat 2 to the rear end of the female seat 2, and the width of the upper end of each guide inclined plane block 21 is larger than that of the lower end. Each guiding inclined plane block 21 is provided with a fixing hole 24 and a plurality of adjusting holes 241, and is fixedly connected with a positioning guide plate 25 through screws; the two positioning guide plates 25 are symmetrical with the central line of the female seat 2, and further guide the male seat 5 to accurately return to the initial matching position. The central position of the tail end of the female seat 2 is provided with an air-connecting head 22.
As shown in fig. 4, a buckle plate base 23 is arranged at the tail end of the female seat 2, and an accommodating gap is arranged in the middle of the buckle plate base 23 so as to be embedded into the buckle plate 31; the pinch plate base 23 is provided with two fixing holes 231, and the first pin shaft 22 and the second pin shaft 23 are fixed in the fixing holes.
Referring to fig. 5, the male housing 5 of the present application includes an upper male plate 52 and a lower male plate 53. The upper male plate 52 and the lower male plate 53 are respectively provided with corresponding semicircular grooves 521 and 531, after the upper male plate 52 and the lower male plate 53 are connected through fixing bolts, the semicircular grooves 521 correspondingly form circular clamping grooves 54, the circular pulling grooves 54 are used for limiting a connecting rod 7, sucking discs or other fixing pieces are arranged through the connecting rod 7, the number and the layout of the circular clamping grooves are not limited, and one or two circular clamping grooves can be perpendicular to each other. The front end of the upper male plate 52 is provided with an air receiving hole 55 corresponding to the air receiving head 22, and the upper male plate 52 is provided with at least one air receiving port 56 communicated with the air receiving hole 55. Two sides of the upper male plate 52 are provided with inclined surfaces 57, the inclined angle is 9 degrees, and the inclined surfaces 57 are matched with the guide inclined surface blocks 21. The upper surface of the front end of the upper male plate 52 is provided with a boss 51, and the boss 51 is matched with the groove 312.
The utility model discloses an use the double inclined plane of female seat and public seat to guarantee the absolute laminating between the pair piece through locking device and the taut mode of push-and-pull cylinder, guaranteed same repeated positioning accuracy who pairs when the installation of repetitious repetition between the work piece, make repeated positioning accuracy can not be subject to machining precision. The principle of the inclined plane pairing simultaneously enables the inclined plane to guide automatically for pairing during automatic pairing, and the allowable error of the initial position is large. Because the requirements for machining accuracy are reduced, the manufacturing cost of the device is also reduced.
The above-described embodiments are merely illustrative of the present invention and are not intended to limit the scope of the present invention. Those skilled in the art will recognize that changes and modifications can be made in the invention as described herein without departing from the scope of the invention as defined by the appended claims.
Claims (9)
1. A quick tool changing device comprises a male seat, a female seat base plate and a female seat arranged on the female seat base plate, and is characterized in that,
two sides of the front end of the female seat are provided with guide inclined plane blocks which are symmetrical about the central line of the female seat, and the opening angle of the inclined plane blocks is gradually reduced from the front end of the female seat to the rear end of the female seat; the central position of the tail end of the female seat is provided with an air connecting head; also comprises the following steps of (1) preparing,
the locking device is fixed at the tail end of the female seat and is connected with a push-pull air cylinder, and the push-pull air cylinder drives the locking device to lock or unlock the male seat;
public seat, it includes public board, public board down, go up public board with be equipped with corresponding semicircular groove on the public board down respectively, will through fixing bolt go up public board and public board connection back down, semicircular groove corresponds and forms circular draw-in groove, wherein: the front end of the upper male plate is provided with an air receiving hole corresponding to the air receiving head, and the upper male plate is provided with at least one air receiving port communicated with the air receiving hole; the two sides of the upper male plate are provided with inclined surfaces which are matched with the guide inclined plane blocks.
2. The tool quick change device of claim 1, wherein the locking device comprises:
the middle of the pinch plate is provided with a cam guide groove, and the cam guide groove comprises a first straight groove and a second straight groove communicated with the first straight groove; the edges of the first straight groove communicated with the second straight groove are inclined downwards at a certain angle; the front end of the pinch plate is provided with a groove; the tail end of the pinch plate is provided with a pin hole, and the pinch plate is connected with the push-pull cylinder through the pin hole;
the first pin shaft and the second pin shaft are respectively fixed at the tail end of the female seat and are positioned in the cam guide groove, and the distance between the first pin shaft and the second pin shaft meets the requirement that when the first pin shaft is positioned at the tail end of the first straight groove, the second pin shaft is positioned at the intersection joint of the second straight groove and the first straight groove;
the buckle plate rotates for a certain angle by taking the joint of the buckle plate and the push-pull air cylinder as an axis under the limitation of the first pin shaft and the second pin shaft and the driving of the push-pull air cylinder so as to lock or release the male seat.
3. The quick tool change device of claim 2 wherein the upper surface of the front end of the upper male plate is provided with a boss that mates with the recess.
4. The quick tool change device according to claim 1 or 2, wherein the female base is two and fixed to two ends of the base plate of the female base, respectively, and the push-pull cylinder is a floating cylinder and connected to the two locking devices from two ends, respectively.
5. The quick tool change device of claim 2, wherein the female seat has a pinch plate base at the end, the pinch plate base having a receiving space in the middle for receiving the pinch plate; the pinch plate base is provided with two fixing holes, and the first pin shaft and the second pin shaft are fixed in the fixing holes.
6. The quick tool change device according to claim 1, wherein each guide ramp block is provided with a fixing hole, and a positioning guide plate is fixedly connected with each guide ramp block through a screw; the two positioning guide plates are symmetrical with the central line of the female seat.
7. The quick tool change device of claim 6 wherein the ramp block has a plurality of adjustment holes therein.
8. The quick tool change device of claim 1 wherein the circular slots are two, one vertical and the other horizontal, the circular slots being configured to receive a connecting rod.
9. The quick tool change device of claim 1 wherein the plurality of air receiving holes are provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921239481.6U CN210769739U (en) | 2019-08-02 | 2019-08-02 | Tool quick replacement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921239481.6U CN210769739U (en) | 2019-08-02 | 2019-08-02 | Tool quick replacement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210769739U true CN210769739U (en) | 2020-06-16 |
Family
ID=71048083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921239481.6U Active CN210769739U (en) | 2019-08-02 | 2019-08-02 | Tool quick replacement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210769739U (en) |
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2019
- 2019-08-02 CN CN201921239481.6U patent/CN210769739U/en active Active
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