CN218946391U

CN218946391U - Chuck hand-held quick-change gun

Info

Publication number: CN218946391U
Application number: CN202223138681.7U
Authority: CN
Inventors: 沈德威
Original assignee: Hardinge Machine Shanghai Co Ltd
Current assignee: Hardinge Machine Shanghai Co Ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-05-02
Anticipated expiration: 2032-11-25

Abstract

The chuck handheld quick-change gun comprises a handle (8) which is integrally formed and used as a supporting structure, a fixed disc (10) arranged at the front end of the handle (8), a pin block (5) which is hinged on the fixed disc (10) and is used for fixing a pin rod (6), a wrench (1) which is arranged on the handle (8) and is used for executing operation actions, and a connecting rod (2), a push rod (3) and a pull rod (4) which are arranged in the handle (8) and are used for transmission; the quick-change tool is designed through simple lever principle and other mechanical structures and matched with the pin hole on the clamp, so that the aim of quickly changing the clamp is fulfilled easily and conveniently. The special quick-change tool for the quick-change chuck product is newly created, and the processing beat is improved on the premise of not losing the tool precision. The special tool is designed, the chuck and the chuck structure are protected, the standardized operation level is improved, the structure is simple, accurate and reliable, the operation is safe and convenient, time and labor are saved, the chuck replacement process is simple and efficient, the performance is stable, and the precision is high.

Description

Chuck hand-held quick-change gun

Technical Field

The utility model relates to a structure improvement technology of a chuck changing auxiliary tool for machine tool equipment, in particular to a hand gun type tool special for quickly changing an elastic chuck aiming at a chuck structure.

Background

The collet is also called a collet chuck or collet chuck, and is a cylindrical clamp for fastening a drill bit or a milling cutter to a milling machine, or a fixing device for fixing and reinforcing a part to be modified.

The existing chuck structure has a plurality of structural types according to different processing requirements. Typically comprising three parts, a jaw at the front end, a housing for the central support action and a transmission structure for the internal transmission action.

The traditional chuck is connected with the chuck body through the threads at the rear part of the chuck body, when the chuck with different sizes needs to be replaced when parts with different sizes are processed, the inside of the chuck is engaged through an auxiliary tool, the manual rotation tool is linked with the chuck to slowly rotate for taking out, and the disassembly is complicated and the downtime is long.

The utilization rate of the elastic chuck is rapidly improved in nearly two years, and the numerical control milling machine spring chuck or collet chuck is taken as an example, and the structural principle is as follows: the collet is placed into the lock nut, and then the lock nut with the collet is lightly screwed on the knife handle, the connecting rod or the main shaft. And cleaning the threaded parts, the locating surfaces and the conical surfaces of the spring chuck and the locking nut. The collet and the lock nut must be inclined at a certain angle during the installation of the collet and the lock nut and then placed into the lock clamping groove of the lock nut.

As shown in fig. 1, a quick-change chuck 11 is provided, three groups of clamping jaws are mounted on a large conical head at the front end, a pair of pin holes 1102 are formed in the front end face of each group of clamping jaws, and a driving ring groove 1101 is formed in the periphery of the other end, namely one end of the small conical head. In application, as shown in fig. 2, the driving ring groove 1101 at the small conical surface end of the quick-change chuck 11 is clamped and fixed by a chuck driving ring formed by the protruding part of the inner edge of the driving block 13 installed in the chuck body 12, and when the quick-change chuck 11 is taken out, a force needs to be applied to urge the driving block 13 to separate from or withdraw from the chuck driving ring 110. The quick-change chuck needs to be further provided with a special-purpose changing tool in the changing process so as to further improve the quick-change effect.

Disclosure of Invention

The utility model aims to provide a chuck handheld quick-change gun, solve the problems in the prior art, newly create a special quick-change tool for quick-change chuck products, and improve the processing beat on the premise of not losing the tool precision.

The object of the utility model is achieved by the following technical measures: the integrated handle comprises a handle body as a supporting structure, a fixed disc arranged at the front end of the handle body, a pin block hinged on the fixed disc and used for fixing the pin rod, a wrench arranged on the handle body and used for executing operation actions, and a connecting rod, a pushing rod and a pull rod which are arranged in the handle body and used for transmission. All the components are integrally installed, the shape of the handle is a door-shaped structure, the upright part at the rear side is a handle, the end face of the upright part at the front side is provided with a front seat disk, a door cavity groove is arranged in the handle, and a middle shaft hole is formed in the middle of the end face of the front seat disk to be communicated with the door cavity groove; the upper end of the wrench is hinged on the rear side wall of the upper part of the door cavity groove, the front side edge of the upper end of the wrench is hinged with the rear end of the connecting rod in the horizontal part of the upper part of the door cavity groove, the front end of the connecting rod is hinged with the upper end of the pushing rod arranged in the vertical part of the front side of the door cavity groove, and the lower end of the pushing rod is hinged with the middle rear part of the pulling rod which is horizontally arranged in the middle shaft hole; the rear side of the front end of the pull rod is provided with a baffle ring with a groove structure at the periphery, the middle and rear parts of the pull rod are internally provided with annular cavity grooves, and springs are arranged in the annular cavity grooves; the fixed disk is arranged on the front side end face of the front seat disk, a group of pin blocks are arranged on the front side end face of the fixed disk in a surrounding and enclosing way by taking the front end head of the pull rod exposed out of the front end face of the fixed disk as a center interval, the pin rods are horizontally arranged on the front end face of the pin blocks in a front extending way, the outer ends of the pin blocks are hinged on the outer edge of the fixed disk, the inner ends of the pin blocks extend to the baffle ring, and the pin tongue clamps protruding from the inner end faces of the pin blocks are embedded into the baffle ring.

In particular, three pin blocks surround and enclose with the front end of the pull rod as a center interval, and each pin block is provided with two pin rods. 4-12 pin blocks can be extended and are surrounded by the front end of the pull rod at intervals.

In particular, a lower limit jacking pin is arranged on the inner side of the lower end of the handle, and the front end of the lower limit jacking pin extends to the rear side edge of the wrench; the bottom edge of the upper flat-placing part of the handle adjacent to the top of the front side edge of the wrench is horizontally provided with an upper limit jacking pin, and the rear end of the upper limit jacking pin extends backwards.

In particular, the middle part of the pushing rod is provided with a waist-shaped hinge hole.

In particular, finger grooves are arranged on the front edge of the wrench at intervals.

In particular, the middle upper part of the wrench is hinged with a poking plate. The middle part of the pulling piece is provided with a sliding guide groove which is matched with a guide pin fixed on the wrench. Further, the spanner is provided with a poking groove with a concave structure at the poking piece installation position.

The utility model has the advantages and effects that: the special tool is designed, the chuck and the chuck structure are protected, the standardized operation level is improved, the structure is simple, accurate and reliable, the operation is safe and convenient, time and labor are saved, the chuck replacement process is simple and efficient, the performance is stable, and the precision is high.

Drawings

Fig. 1 is a schematic view of a chuck with a clamping structure.

Fig. 2 is a schematic structural diagram of the clamping chuck mounted on the chuck.

Fig. 3 is a schematic view of the outline structure of embodiment 1 of the present utility model.

Fig. 4 is a schematic diagram of the internal structure of embodiment 1 of the present utility model.

The reference numerals include:

1-spanner, 2-connecting rod, 3-push rod, 4-pull rod, 5-pin block, 6-pin rod, 7-spring, 8-handle, 9-plectrum, 10-fixed disk, 11-quick-change chuck, 12-chuck body and 13-driving block;

101-finger grooves and 102-poking grooves; 401-baffle rings and 402-annular cavity grooves; 501-a pin tongue; 801-a door cavity groove, 802-a front seat disk, 803-a middle shaft hole, 804-a lower limit top pin and 805-an upper limit top pin; 1101-driving ring groove, 1102-pin hole.

Detailed Description

The quick-change tool is designed through simple mechanical structures such as lever principle and the like, and is matched with the pin hole on the clamp, so that the aim of quickly changing the clamp is easily and conveniently realized.

The structure and the working principle of the utility model are expanded and can be applied to other working scenes, wherein corresponding technical measures such as improving the structure of the chuck can be involved.

As shown in fig. 3, the present utility model includes: the integrated handle 8 serving as a supporting structure, a fixed disc 10 arranged at the front end of the handle 8, a pin block 5 hinged on the fixed disc 10 and used for fixing the pin rod 6, a wrench 1 arranged on the handle 8 and used for executing operation actions, and a connecting rod 2, a pushing rod 3 and a pull rod 4 which are arranged in the handle 8 and used for transmission.

The utility model is further described below with reference to the drawings and examples.

Example 1: as shown in fig. 4, all the components are integrally installed, the handle 8 is in a door-shaped structure, the rear upright part is a grip, the end face of the front upright part is provided with a front seat disk 802, a door cavity groove 801 is arranged in the handle 8, and a middle shaft hole 803 is formed in the middle of the end face of the front seat disk 802 and is communicated with the door cavity groove 801; the upper end of the wrench 1 is hinged on the rear side wall of the upper part of the door cavity groove 801, the front side edge of the upper end of the wrench 1 is hinged with the rear end of the connecting rod 2 in the horizontal part of the upper part of the door cavity groove 801, the front end of the connecting rod 2 is hinged with the upper end of the pushing rod 3 in the vertical part of the upper part of the front side of the door cavity groove 801, and the lower end of the pushing rod 3 is hinged with the middle rear part of the pulling rod 4 which is horizontally arranged in the middle shaft hole 803; a baffle ring 401 with a groove-shaped structure is arranged on the rear side of the front end of the pull rod 4, an annular cavity groove 402 is arranged in the middle and rear part of the pull rod 4, and a spring 7 is arranged in the annular cavity groove 402; the fixed disk 10 is installed on the front side end face of the front seat disk 802, a group of pin blocks 5 are arranged on the front side end face of the fixed disk 10 in a surrounding and enclosing mode with the front end of the pull rod 4 exposed out of the front end face of the fixed disk 10 as a center, the pin rods 6 are horizontally arranged on the front end face of the pin blocks 5 in a front extending mode, the outer ends of the pin blocks 5 are hinged to the outer edge of the fixed disk 10, the inner ends of the pin blocks 5 extend to the baffle ring 401, and the pin tongues 501 protruding from the inner end faces of the pin blocks 5 are clamped and embedded into the baffle ring 401.

In the foregoing, finger grooves 101 are provided at intervals on the front edge of the wrench 1. So that the palm of the operator can hold the wrench 1 and the handle 8 stably.

In the foregoing, the middle upper part of the wrench 1 is hinged with the pulling piece 9. Moreover, the middle part of the pulling piece 9 is provided with a sliding guide groove which is matched with a guide pin fixed on the wrench 1. Further, the wrench 1 is provided with a recess 102 at the mounting position of the pulling piece 9.

In the foregoing, the middle part of the push rod 3 is provided with a waist-shaped hinge hole.

In the foregoing, three pin blocks 5 are surrounded and enclosed at intervals with the front end of the pull rod 4 as the center, and two pin rods 6 are arranged on each pin block 5.

In the foregoing, the inner side of the lower end of the handle 8 is provided with a lower limit top pin 804, and the front end of the lower limit top pin 804 extends to the rear side edge of the wrench 1; an upper limit jacking pin 805 is horizontally arranged on the bottom edge of the horizontally arranged part of the upper side of the handle 8 adjacent to the top of the front side edge of the wrench 1, and the rear end of the upper limit jacking pin 805 extends backwards.

In the embodiment of the utility model, the rear side of the handle 8 is a vertical grip part, and the upper side is horizontally arranged. When the wrench 1 is gripped, at least the rear side of the wrench 1 is partially retracted into the rear upright portion of the door cavity groove 801, i.e., the hand grip portion of the handle 8. Further, in order to improve the comfort of hand holding, the upper and lower ends of the rear side edge of the handle 8 are respectively provided with a smooth protruding structure. And the appearance size, raw material selection and overall quality installation routine of the tool are optimally designed.

In the embodiment of the utility model, when the quick-change chuck 11 needs to be replaced, the handle 8 and the wrench 1 are held by hands, and the front ends of all the pin rods 6 are simultaneously inserted into the corresponding pin holes 1102 to be pressed into the driving mechanism in the locking handle 8 of the shifting piece 9.

In the embodiment of the utility model, the spanner 1 is held by fingers, the upper end of the connecting rod 2 is driven to move forwards, the upper part of the pushing rod 3 connected with the connecting rod moves leftwards and the lower part of the pushing rod moves rightwards, and the pull rod 4 is driven to move backwards and is compressed with the spring 7; meanwhile, the baffle ring 401 at the front end of the pull rod 4 drives the pin tongues 501 of the pin blocks 5 to move backwards, so that the 3 pin blocks 5 are sunk towards the center, and simultaneously, the 6 pin rods 6 are subjected to claw-type shrinkage centripetally, and the shrinkage effect causes the synchronous shrinkage of the small conical surface end of the quick-change chuck 11 due to the fact that the pin rods 6 are inserted into the chuck pin holes 1102, the diameter is reduced, and the part of the driving ring groove 1101 clamped in the chuck driving ring is separated, so that the quick-change chuck 11 is taken out. Further, in this state, the pulling piece 9 may be pulled so that one side edge thereof is turned over and blocked against the upper limit knock pin 805. The reverse operation can be conveniently realized when the quick-change chuck 11 is mounted on the chuck body 12.

The utility model is described above with reference to the accompanying drawings. Are intended to be used as illustrations of the present application and should not be construed as limiting the present application. In the description of the present application, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. In this application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected.

The utility model is not to be limited by the above embodiments, which are described in the specification merely to illustrate the principles of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. The chuck handheld quick-change gun comprises a handle (8) which is integrally formed and used as a supporting structure, a fixed disc (10) arranged at the front end of the handle (8), a pin block (5) which is hinged on the fixed disc (10) and is used for fixing a pin rod (6), a wrench (1) which is arranged on the handle (8) and is used for executing operation actions, and a connecting rod (2), a push rod (3) and a pull rod (4) which are arranged in the handle (8) and are used for transmission; the novel plastic handle is characterized in that all parts are integrally installed, the shape of the handle (8) is in a door-shaped structure, the upright part at the rear side is a handle, the end face of the upright part at the front side is provided with a front seat disk (802), a door cavity groove (801) is arranged in the handle (8), and a middle shaft hole (803) is formed in the middle of the end face of the front seat disk (802) and is communicated with the door cavity groove (801); the upper end of the wrench (1) is hinged on the rear side wall of the upper part of the door cavity groove (801), the front side edge of the upper end of the wrench (1) is hinged with the rear end of the connecting rod (2) in the horizontal part of the upper part of the door cavity groove (801), the front end of the connecting rod (2) is hinged with the upper end of the pushing rod (3) arranged in the vertical part of the front side of the door cavity groove (801), and the lower end of the pushing rod (3) is hinged with the middle rear part of the pull rod (4) arranged in the middle shaft hole (803); a baffle ring (401) with a groove structure is arranged at the periphery of the rear side of the front end of the pull rod (4), an annular cavity groove (402) is arranged in the middle rear part of the pull rod (4), and a spring (7) is arranged in the annular cavity groove (402); the fixed disk (10) is installed on the front side end face of the front seat disk (802), the front side end face of the fixed disk (10) is surrounded and enclosed by a group of pin blocks (5) at intervals taking the front end of a pull rod (4) exposed out of the front end face of the fixed disk (10) as the center, the pin rods (6) are installed on the front end face of the pin blocks (5) in a forward extending and flat mode, the outer ends of the pin blocks (5) are hinged and installed on the outer edge of the fixed disk (10), the inner ends of the pin blocks (5) extend to the baffle ring (401), and the pin tongues (501) protruding from the inner end faces of the pin blocks (5) are clamped and embedded into the baffle ring (401).

2. The chuck handheld quick-change gun according to claim 1, characterized in that three pin blocks (5) are surrounded at intervals with the front end of the pull rod (4) as the center, and two pin rods (6) are arranged on each pin block (5).

3. The chuck-chuck handheld quick-change gun according to claim 1, characterized in that 4-12 pin blocks (5) are surrounded and enclosed at intervals with the front end of the pull rod (4) as the center.

4. The chuck-gripping hand-held quick-change gun according to claim 1, characterized in that the upper middle part of the wrench (1) is hinged with a pulling piece (9).

5. The chuck-chuck handheld quick-change gun according to claim 1, characterized in that a lower limit top pin (804) is arranged on the inner side of the lower end of the handle (8), and the front end of the lower limit top pin (804) extends to the rear side edge of the wrench (1).

6. The chuck handheld quick-change gun according to claim 1, wherein an upper limit jacking pin (805) is arranged on the bottom edge of the upper flat-position part of the handle (8) adjacent to the top of the front side edge of the wrench (1), and the rear end of the upper limit jacking pin (805) extends backwards.

7. The chuck handheld quick-change gun according to claim 1, characterized in that a waist-shaped hinge hole is formed in the middle of the pushing rod (3).

8. The chuck-gripping hand-held quick-change gun according to claim 1, characterized in that finger grooves (101) are smoothly provided at intervals on the front edge of the wrench (1).

9. A chuck-collet hand-held quick-change gun as claimed in claim 4, characterized in that the middle part of the pulling piece (9) is provided with a sliding guide groove which cooperates with a guide pin fixed on the wrench (1) there.

10. The chuck-collet hand-held quick-change gun according to claim 4, characterized in that the wrench (1) is provided with a recess (102) in the mounting location of the pulling piece (9).