CN110900276A - Handheld tool changing device of machine tool - Google Patents
Handheld tool changing device of machine tool Download PDFInfo
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- CN110900276A CN110900276A CN201911263186.9A CN201911263186A CN110900276A CN 110900276 A CN110900276 A CN 110900276A CN 201911263186 A CN201911263186 A CN 201911263186A CN 110900276 A CN110900276 A CN 110900276A
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- tool
- rod
- clamping
- machine tool
- handheld
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/1556—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of non-rotary tools
Abstract
The invention discloses a handheld tool changer of a machine tool, which relates to the field of machining equipment, and adopts the technical scheme that the handheld tool changer comprises a clamp part, a rod part and a handheld part which are sequentially connected; the clamp part comprises a cutter clamping component for clamping a machine tool cutter and a positioning component which is fixedly arranged on one side above the cutter clamping component and used for positioning a machine tool spindle; the cutter clamping component is a clamp type clamp and is linked with the handheld part through a pull wire and driven by the handheld part. The invention has the beneficial effects that: this device simple structure convenient to use through the device of hand-held type, centre gripping lathe cutter, then need not to visit into the lathe with the health inside alright accomplish the change of no tool magazine lathe cutter, and the in-process of changing the cutter, can realize the location to cutter mounting hole on cutter and the lathe main shaft through locating component.
Description
Technical Field
The invention relates to the field of machining equipment, in particular to a handheld tool changing device for a machine tool.
Background
The numerical control machine tool is an important product of machining equipment, well solves the problem of machining of complex, precise, small-batch and various parts, is a flexible and high-efficiency automatic machine tool, represents the development direction of modern machine tool control technology, and is a typical mechanical and electrical integration product.
With the development of the technology, more and more medium-large machine tools appear, wherein the machine tools without a tool magazine need to be manually replaced when in use, so that the volume problem of the medium-large machine tools causes great difficulty in manual tool replacement of the machine tools without the tool magazine, an operator needs to hold a tool by hand, an original tool bit is taken down from a main shaft of the machine tool, and then the tool is inserted into the main shaft, the process needs the operator to stretch an arm or even a body into a working area of the machine tool, and although the machine tool is in a stop state when the tool is replaced, the whole process is troublesome and even has fatal hidden troubles.
Disclosure of Invention
Aiming at the technical problem, the invention provides a handheld tool changer for a machine tool.
The technical scheme is that the clamp comprises a clamp part, a rod part and a handheld part which are connected in sequence;
the clamp part comprises a cutter clamping component for clamping a machine tool cutter and a positioning component which is fixedly arranged on one side above the cutter clamping component and used for positioning a machine tool spindle;
the tool clamping assembly is a clamp type clamp and is linked with the handheld portion through a pull wire and driven by the handheld portion.
Preferably, the tool clamping assembly comprises two clamping blocks which are symmetrically arranged, clamping notches are symmetrically arranged at the front ends of the clamping blocks, namely the ends far away from the handheld part, the clamping notches correspond to the machine tool, the clamping notches clamp the machine tool when the clamping blocks are folded, the tail ends of the two clamping blocks are arranged in the support frame, adjusting grooves are symmetrically arranged at the inner sides of the tail ends of the two clamping blocks and the opposite sides of the clamping blocks, and the outer sides of the adjusting grooves are rotationally connected with the support frame through rotating shafts;
the support frame includes two horizontal plates of upper and lower parallel arrangement, the grip block sets up two between the horizontal plate, the symmetry sets up two between two horizontal plates the pivot, two the horizontal plate is kept away from one side of grip block all with bracing piece fixed connection, the straight slot hole has been seted up on the horizontal plate, and straight slot hole sets up between the pivot, set up the towing pin in the straight slot hole, the towing pin with straight slot hole sliding connection, and the shank setting of towing pin is in the adjustment tank of grip block, the front end of acting as go-between with the towing pin is connected.
Preferably, the traction pin is connected with a top rod, one end of the top rod is fixedly connected with the traction pin, and the other end of the top rod is arranged towards one side of the handheld part;
and a pressure spring is arranged on the periphery of the ejector rod and is positioned on one side of the traction pin, which faces the handheld part.
The front end of the pressure spring is abutted against the ejector block arranged on the periphery of the ejector rod, and the rear end of the pressure spring is abutted against the front end in the supporting rod.
Preferably, the middle part of the traction pin is provided with a vertical cross-shaped through hole, and the lower part of the vertical part of the through hole is a threaded hole;
a threading hole for inserting the stay wire is formed along the axial direction of the rod body of the ejector rod;
the front end of the ejector rod is provided with a notch corresponding to the inner part of the traction pin through hole, and the notch is arranged at the lower part of the ejector rod;
and a locking pin is arranged corresponding to the notch and is in threaded connection with the through hole of the traction pin.
Preferably, the rear end of the ejector rod extends into the support rod and is in sliding connection with the support rod, a damping ring is fixedly arranged in the support rod, and the rear portion of the ejector rod is located in the damping ring.
Preferably, the positioning assembly is a structure combination in a shape of a ']' arranged above the clamping assembly and comprises an upper positioning plate and a lower positioning plate, wherein the upper positioning plate and the lower positioning plate respectively comprise a middle plate positioned in the middle part and side plates arranged on two sides of the middle plate and forming an obtuse angle with the middle plate;
the lower end of the upper positioning plate is inserted into the lower positioning plate and is connected with the lower positioning plate in a sliding manner;
and a spring is arranged between the upper positioning plate and the lower positioning plate.
Preferably, a positioning column is fixedly arranged at the lower part of the middle plate of the upper positioning plate, a positioning through hole is formed in the middle plate of the lower positioning plate corresponding to the positioning column, the lower end of the positioning column is inserted into the positioning through hole, and the spring is surrounded on the outer side of the positioning column.
Preferably, the rod part comprises an adjusting component which is linked with the tool clamping component and the positioning component;
the tool clamping assembly and one side of the positioning assembly facing the handheld part are linked with the adjusting assembly through an upper connecting rod and a lower connecting rod respectively, the upper connecting rod is fixedly connected with the rear side of the positioning assembly, and the lower connecting rod is fixedly connected with the rear end of the tool clamping assembly;
the upper connecting rod and the lower connecting rod are linked with the adjusting component respectively to move in the horizontal direction.
Preferably, the adjusting assembly further comprises a loop bar, and the upper connecting rod and the lower connecting rod are connected with the loop bar in a sliding manner;
go up connecting rod and lower connecting rod orientation two upper and lower racks of fixed connection respectively in one side of handheld portion, adjusting part is including rotating the setting and being in the adjusting gear in the loop bar body of rod outside, adjusting gear includes two gears of coaxial big and small that set up side by side, the gear wheel with the rack toothing that the connecting rod corresponds down, the pinion with the rack toothing that goes up the connecting rod correspondence.
Preferably, a locking bolt is arranged on one side of the large gear of the adjusting gear.
Preferably, the gearwheel of the adjusting gear is meshed with a worm wheel in a worm and gear combination, and a worm in the worm and gear combination is coaxial with an adjusting button arranged on one side of the adjusting gear.
Preferably, the handheld portion adopts the brake subassembly of bicycle, and the brake cable is adopted to the acting as go-between, through pinching the brake handle, can realize the interlock to the towing pin.
The traction pin is connected with a top rod, one end of the top rod is fixedly connected with the traction pin, and the other end of the top rod is arranged towards one side of the handheld part;
a pressure spring is arranged on the periphery of the ejector rod and is positioned on one side of the traction pin, which faces the handheld part; a rod body of the ejector rod is fixedly provided with an ejector block, the front end of the pressure spring is abutted against the ejector block, and the tail end of the ejector rod is fixedly connected with the front end of a tension spring;
the pull wire is fixedly connected with the front end of the pressure spring;
the stiffness coefficient of the pressure spring is greater than that of the tension spring;
when no external force is applied, the traction pin is pushed by the compression spring to be positioned on one side, far away from the handheld part, in the straight slot hole.
The rear end of the pressure spring abuts against the front end of the inside of the supporting rod, and the rear end of the tension spring is fixedly connected with the front end of the inside of the supporting rod.
A contact switch is arranged on one side of the ejector block facing the pressure spring, a rechargeable battery and a loudspeaker are arranged in the rod part, and a switch is arranged on the rod part shell; the loudspeaker, the rechargeable battery, the contact switch and the switch are connected in series.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: this device simple structure convenient to use through the device of hand-held type, centre gripping lathe cutter, then need not to visit into the lathe with the health inside alright accomplish the change of no tool magazine lathe cutter, and the in-process of changing the cutter, can realize the location to cutter mounting hole on cutter and the lathe main shaft through locating component.
Drawings
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention.
Fig. 2 is a partially enlarged view a of fig. 1.
Fig. 3 is a partially enlarged view B of fig. 1.
Fig. 4 is an enlarged schematic view of a clamping block in embodiment 1 of the present invention.
Fig. 5 is an enlarged view of the internal part of the tool holding assembly according to embodiment 1 of the present invention.
FIG. 6 is an enlarged view of the internal portion of the tool holding assembly according to embodiment 5 of the present invention.
Wherein the reference numerals are: 1. a clamp part; 110. a tool holding assembly; 111. a clamping block; 112. a clamping recess; 113. an adjustment groove; 120. a positioning assembly; 121. an upper positioning plate; 122. a lower positioning plate; 123. a spring; 130. a support frame; 131. a rotating shaft; 132. a support bar; 133. a tow pin; 134. a top rod; 135. a pressure spring; 136. a locking pin; 137. a top block; 138. a tension spring; 2. a rod portion; 210. an adjustment assembly; 211. an upper connecting rod; 212. a lower connecting rod; 213. a loop bar; 214. an adjusting gear; 215. locking the bolt; 3. a hand-held portion.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. Of course, the specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting.
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1
Referring to fig. 1 to 5, the invention provides a handheld tool changer for a machine tool, which comprises a clamp part 1, a rod part 2 and a handheld part 3 which are connected in sequence;
the clamp part 1 comprises a tool clamping component 110 for clamping a machine tool and a positioning component 120 fixedly arranged on one side above the tool clamping component 110 and used for positioning a machine tool spindle;
the tool holding assembly 110 is a pincer type clamp, and the tool holding assembly 110 is linked with the handheld portion 3 through a pull wire and driven by the handheld portion 3.
The tool clamping assembly 110 comprises two clamping blocks 111 which are symmetrically arranged, clamping notches 112 are symmetrically arranged at the front ends of the clamping blocks 111, namely, the ends far away from the handheld part 3, the clamping notches 112 correspond to machine tool tools, the machine tool tools are clamped by the clamping notches 112 when the clamping blocks 111 are folded, the tail ends of the two clamping blocks 111 are arranged in the supporting frame 130, adjusting grooves 113 are symmetrically arranged on the inner sides of the tail ends of the two clamping blocks 111 and the opposite sides of the clamping blocks 111, and the outer sides of the adjusting grooves are rotatably connected with the supporting frame 130 through rotating shafts 131;
The traction pin 133 is connected with the ejector rod 134, one end of the ejector rod 134 is fixedly connected with the traction pin 133, and the other end of the ejector rod 134 faces one side of the handheld part 3;
a compression spring 135 is arranged on the periphery of the push rod 134, and the compression spring 135 is positioned on one side of the traction pin 133 facing the handheld part 3.
The front end of the pressure spring 135 is pressed against a top block 137 arranged on the periphery of the top rod 134, and the rear end is pressed against the front end inside the support rod 132.
Through the push rod 134 and the compression spring 135, in a natural state that the handheld portion 3 does not apply force to the pull wire, the compression spring 135 applies forward force to the push rod 134 to move the traction pin 133 forward, so that the front end of the clamping block 111 is opened, and the next use is facilitated.
A vertical cross-shaped through hole is formed in the middle of the traction pin 133, and a threaded hole is formed in the lower portion of the vertical portion of the through hole;
a threading hole for inserting a pull wire is formed along the axial direction of the rod body of the ejector rod 134;
the front end of the ejector rod 134 is provided with a notch corresponding to the inner part of the through hole of the traction pin 133, and the notch is arranged at the lower part of the ejector rod 134;
a locking pin 136 is provided corresponding to the notch, and the locking pin 136 is threadedly coupled to the through hole of the traction pin 133.
When the pull-wire fixing device is used, the pull wire passes through the wire passing hole of the ejector rod 134, the end part of the pull wire is arranged at the notch, then the locking pin 136 is screwed in from the lower part of the pull pin 133, the top end of the locking pin 136 extrudes the pull wire at the notch, and therefore the pull wire and the pull pin 133 are fixedly connected. Through this structure, change acting as go-between that can be convenient. The user pinches the hand-held part 3 with the hand, the hand-held part 3 pulls the pull wire, so that the traction pin 133 moves backwards in the straight slotted hole on the horizontal plate of the support block frame 130, the back side surface of the pin body of the traction pin 133 extrudes the back side of the adjusting slot 113, under the extrusion of the traction pin 133, the clamping blocks 111 rotate by taking the rotating shaft 131 as a shaft, the front ends of the two clamping blocks 111 are folded, and the clamping blocks 111 clamp the tool of the machine tool.
The positioning assembly 120 is a structure combination of a shape of a '+' arranged above the clamping assembly 110, and comprises an upper positioning plate and a lower positioning plate, wherein the upper positioning plate and the lower positioning plate respectively comprise a middle plate positioned in the middle part and side plates arranged at two sides of the middle plate and forming an obtuse angle with the middle plate;
the lower end of the upper positioning plate 121 is inserted into the lower positioning plate 122 and is slidably connected with the lower positioning plate 122;
a spring 123 is disposed between the upper positioning plate 121 and the lower positioning plate 122.
The fixed reference column that sets up in middle plate lower part of last locating plate 121, correspond the reference column on the middle plate of lower locating plate 122 and seted up positioning hole, during positioning column lower extreme inserted positioning hole, spring 123 encircles in the reference column outside.
The handheld portion 3 adopts the brake subassembly of bicycle, and the brake cable is adopted to the acting as go-between, and the pole portion 2 is passed through to the acting as go-between, wears out from handheld portion 3 to be connected with the brake handle, through pinching the brake handle, can realize the interlock to towing pin 133.
When the device is used, after the tool clamping assembly 110 clamps a machine tool, the upper positioning plate 121 of the device is close to a machine tool spindle, the upper end face of the upper positioning plate 121 abuts against a mounting seat of the machine tool spindle, the upper positioning plate 121 abuts against the machine tool spindle, three plates of the upper positioning plate 121 form three-point positioning for the machine tool spindle, so that the machine tool can be ensured to correspond to the axis of the machine tool spindle, then the device is pushed upwards, the spring 123 contracts, the tool clamping assembly 110 can realize a working link of sending the machine tool into a tool mounting hole of the machine tool spindle, and the fact that whether the tool is used for the tool mounting hole of the machine tool spindle is observed through visual observation manually is not needed.
In addition, the extendable and retractable positioning assembly 120 can accommodate machine tool spindles of unused lengths.
Example 2
On the basis of the embodiment 1, the rod part 2 comprises an adjusting component 210 which is linked with the tool clamping component 110 and the positioning component 120;
one sides of the tool clamping assembly 110 and the positioning assembly 120 facing the handheld part 3 are respectively linked with the adjusting assembly 210 through an upper connecting rod and a lower connecting rod, the upper connecting rod 211 is fixedly connected with the rear side of the positioning assembly 120, and the lower connecting rod 212 is fixedly connected with the rear end of the tool clamping assembly 110;
the upper and lower links 211 and 212 move in the horizontal direction in association with the regulated assembly 210, respectively.
The adjusting assembly 210 further comprises a loop bar 213, and the upper link 211 and the lower link 212 are slidably connected with the loop bar 213;
one side of the upper connecting rod 211 and one side of the lower connecting rod 212 facing the handheld portion 3 are respectively and fixedly connected with an upper rack and a lower rack, the adjusting assembly 210 comprises an adjusting gear 214 which is rotatably arranged on the outer side of a rod body of the loop bar 213, the adjusting gear 214 comprises a large gear and a small gear which are coaxially arranged in parallel, the large gear is meshed with the rack corresponding to the lower connecting rod 212, and the small gear is meshed with the rack corresponding to the upper connecting rod 211.
A locking bolt 215 is arranged on one side of the large gear of the adjusting gear 214.
By rotating the adjusting gear 214, the tool clamping assembly 110 and the positioning assembly 120 can be moved backwards proportionally, so that machine tool spindles with different outer diameters can be adapted. After the adjustment is completed, the adjusting gear 214 is locked by the locking bolt 215.
Example 3
In addition to embodiment 2, unlike embodiment 2, the large gear of the adjustment gear 214 is engaged with a worm gear of a worm gear-worm combination, and a worm of the worm gear-worm combination is coaxial with the adjustment knob 216 provided on the adjustment gear 214 side.
The rotation adjustment of the adjusting gear 214 is realized through the worm and gear combination, on one hand, the worm and gear combination is suitable for fine adjustment of the adjusting gear 214 by human hands, and on the other hand, the adjusting gear 214 does not need to be additionally positioned and locked by virtue of the self-locking characteristic of the worm and gear combination.
Example 4
On the basis of any of the above embodiments 1-3, the rear end of the top rod 134 extends into the supporting rod 132 and is slidably connected with the supporting rod 132, a damping ring is fixedly arranged inside the supporting rod 132, and the rear portion of the top rod 134 is located in the damping ring.
Through this structure after the handheld portion 3 pulls the acting as go-between, ejector pin 134 moves backward along with it, and clamping block 111 presss from both sides tight lathe cutter, and then the user can hold this device and change the cutter, and the effect of damping ring lies in, if the grip to handheld portion 3 has been reduced by accident in the user's operation process, under the effect of damping ring, slows down the reset speed of ejector pin 134, makes it be unlikely to resume the normal position immediately, leads to the lathe cutter of centre gripping to drop.
Example 5
On the basis of any of the embodiments 1-3, the traction pin 133 is connected with the ejector rod 134, one end of the ejector rod 134 is fixedly connected with the traction pin 133, and the other end of the ejector rod 134 is arranged towards one side of the handheld part 3;
a pressure spring 135 is arranged on the periphery of the mandril 134, and the pressure spring 135 is positioned on one side of the traction pin 133 facing the handheld part 3; a rod body of the ejector rod 134 is fixedly provided with an ejector block 137, the front end of the pressure spring 135 is abutted against the ejector block 137, and the tail end of the ejector rod 134 is fixedly connected with the front end of a tension spring 138;
the pull wire is fixedly connected with the front end of the pressure spring 135;
the stiffness coefficient of the pressure spring 135 is larger than that of the tension spring 138;
when no external force is applied, the pulling pin 135 is positioned on one side of the straight slot hole away from the hand-held part 3 under the pushing of the compression spring 135.
The rear end of the pressure spring 135 is abutted against the inner front end of the support rod 132, and the rear end of the tension spring 138 is fixedly connected with the inner front end of the support rod 132.
A contact switch is arranged on one side of the top block 137 facing the pressure spring 135, a rechargeable battery and a loudspeaker are arranged in the rod part 2, and a switch is arranged on a shell of the rod part 2; the loudspeaker, the rechargeable battery, the contact switch and the switch are connected in series.
When the switch is opened, the pressure spring 135 presses the contact switch, the horn sends out warning sound, and after the hand-held part 3 is pinched, the pull wire drives the pressure spring 135 to move backwards, so that the end part of the pressure spring 135 is separated from the ejecting block 137, the contact switch is in a disconnected state, and the horn warning sound stops. At this time, the tension spring 138 drives the pulling pin 133 to move backward, so that the clamping block 111 is in a clamping state. The user can hold this device and change the lathe cutter, if in the change process, because the user relaxes the power of holding between the fingers to handheld portion 3 by accident, then pressure spring 135 tip can touch the contact switch, then loudspeaker then can send out the warning sound and remind the user.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A handheld tool changer of a machine tool is characterized by comprising a clamp part (1), a rod part (2) and a handheld part (3) which are connected in sequence;
the clamp part (1) comprises a tool clamping component (110) for clamping a machine tool and a positioning component (120) which is fixedly arranged on one side above the tool clamping component (110) and is used for positioning a machine tool spindle;
the tool clamping component (110) is a clamp type clamp, and the tool clamping component (110) is linked with the handheld part (3) through a pull wire and driven by the handheld part (3).
2. The machine tool hand-held tool changer according to claim 1, characterized in that the tool clamping assembly (110) comprises two clamping blocks (111) which are symmetrically arranged, clamping notches (112) are symmetrically arranged at the front ends of the clamping blocks (111), the clamping notches (112) correspond to the machine tool tools, the tail ends of the two clamping blocks (111) are arranged in a support frame (130), adjusting grooves (113) are symmetrically arranged at the inner sides of the tail ends of the two clamping blocks (111), and the outer sides of the adjusting grooves are rotatably connected with the support frame (130) through rotating shafts (131);
support frame (130) are including two horizontal plates of upper and lower parallel arrangement, grip block (111) set up two between the horizontal plate, the symmetry sets up two between two horizontal plates pivot (131), two the horizontal plate is kept away from one side of grip block (111) all with bracing piece (132) fixed connection, the straight slot hole has been seted up on the horizontal plate, and straight slot hole sets up between pivot (131), set up towing pin (133) in the straight slot hole, towing pin (133) with straight slot hole sliding connection, and the shank setting of towing pin (133) is in adjustment tank (113) of grip block (111), the front end of acting as go-between with towing pin (133) are connected.
3. The hand-held tool changer for machine tools according to claim 2, characterized in that the drawing pin (133) is connected with a top rod (134), one end of the top rod (134) is fixedly connected with the drawing pin (133), and the other end is arranged towards one side of the hand-held part (3);
a pressure spring (135) is arranged on the periphery of the ejector rod (134), and the pressure spring (135) is positioned on one side, facing the handheld part (3), of the traction pin (133).
4. The hand-held tool changer of a machine tool as claimed in claim 3, characterized in that a vertical cross-shaped through hole is formed in the middle of the traction pin (133), and the vertical part of the through hole is a threaded hole;
a threading hole for inserting the stay wire is formed along the axial direction of the rod body of the ejector rod (134);
the front end of the ejector rod (134) is provided with a notch corresponding to the inner part of the through hole of the traction pin (133), and the notch is arranged at the lower part of the ejector rod (134);
and a locking pin (136) is arranged corresponding to the notch, and the locking pin (136) is in threaded connection with the through hole of the traction pin (133).
5. The tool changing device held by the machine tool in accordance with claim 3, wherein the rear end of the ejector rod (134) extends into the support rod (132) and is connected with the support rod (132) in a sliding manner, a damping ring is fixedly arranged in the support rod (132), and the rear part of the ejector rod (134) is positioned in the damping ring.
6. The tool changing device for machine tool hand-held according to claim 1, characterized in that the positioning component (120) is a structure combination of a shape of 'T' arranged above the clamping component (110), and comprises an upper positioning plate and a lower positioning plate, wherein the upper positioning plate and the lower positioning plate respectively comprise a middle plate positioned in the middle part and side plates arranged on two sides of the middle plate and forming an obtuse angle with the middle plate;
the lower end of the upper positioning plate (121) is inserted into the lower positioning plate (122) and is in sliding connection with the lower positioning plate (122);
and a spring (123) is arranged between the upper positioning plate (121) and the lower positioning plate (122).
7. The machine tool hand-held tool changer according to claim 1, characterized in that the shaft (2) comprises an adjusting assembly (210) which is linked with the tool clamping assembly (110) and the positioning assembly (120);
the tool clamping assembly (110) and one side, facing the handheld part (3), of the positioning assembly (120) are linked with the adjusting assembly (210) through an upper connecting rod and a lower connecting rod respectively, the upper connecting rod (211) is fixedly connected with the rear side of the positioning assembly (120), and the lower connecting rod (212) is fixedly connected with the rear end of the tool clamping assembly (110);
the upper connecting rod (211) and the lower connecting rod (212) move in the horizontal direction in a linkage mode with the adjusting assembly (210) respectively.
8. The tool changer hand-held in machine tool according to claims 1 to 7, characterized in that the adjustment assembly (210) further comprises a sleeve rod (213), and the upper link (211) and the lower link (212) are slidably connected with the sleeve rod (213);
go up connecting rod (211) and lower connecting rod (212) orientation two upper and lower racks of one side difference fixed connection of handheld portion (3), adjusting part (210) are in including rotating adjusting gear (214) in loop bar (213) body of rod outside, adjusting gear (214) are including two gears of coaxial big or small that set up side by side, the gear wheel with the rack toothing that lower connecting rod (212) correspond, the pinion with the rack toothing that upper connecting rod (211) corresponds.
9. The hand-held tool changer for machine tools according to claims 1 to 8, characterized in that a locking bolt (215) is arranged on the gearwheel side of the adjusting gear (214).
10. The hand-held tool changer for machine tools according to claims 1 to 9, characterized in that the gearwheel of the adjusting gear (214) meshes with a worm wheel of a worm-and-gear combination, the worm of which is coaxial with an adjusting knob (216) arranged on the side of the adjusting gear (214).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911263186.9A CN110900276B (en) | 2019-12-11 | 2019-12-11 | Handheld tool changing device of machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911263186.9A CN110900276B (en) | 2019-12-11 | 2019-12-11 | Handheld tool changing device of machine tool |
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| Publication Number | Publication Date |
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| CN110900276A true CN110900276A (en) | 2020-03-24 |
| CN110900276B CN110900276B (en) | 2021-04-16 |
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| CN201911263186.9A Active CN110900276B (en) | 2019-12-11 | 2019-12-11 | Handheld tool changing device of machine tool |
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