CN218341516U - Quick accurate tool changing device - Google Patents

Abstract

The utility model relates to a technical field of location frock clamp, in particular to quick accurate toolchanger, be in including base, mutual parallel arrangement two limiting plates on the base, establish the locating plate of limiting plate one end, through the limiting plate with the locating plate is in form a constant head tank that is used for placing milling cutter on the base, two still be equipped with length measurement module between the limiting plate, place in milling cutter head outer end in the constant head tank passes through length measurement module carries on spacingly, milling cutter in the constant head tank passes through length measurement module with the locating plate carries out the measurement of size after pressing from both sides tightly. The milling cutter has the advantages that the whole length of the milling cutter can be kept consistent with that before replacement when the cutter head is replaced quickly, and accordingly machining efficiency, machining precision and product quality are improved.

Description

Quick accurate tool changing device

Technical Field

The application relates to the technical field of CNC machining center is changed with milling cutter with location frock clamp, in particular to quick accurate toolchanger.

Background

The CNC machining center is used as common equipment for machining furniture articles and is often used for different procedures such as milling, digging, arranging holes and the like. However, when the milling cutter is manufactured in different processes, different milling cutters are required. The milling cutter generally comprises a shank and a tool bit, and when the tool bit is worn, the tool bit on the shank needs to be removed and replaced after the milling cutter is removed from a CNC machining center in order to maintain stability of machining efficiency and machining effect.

At present, when an operator replaces a milling cutter, in order to ensure that the length of the milling cutter after the cutter head is replaced is consistent, the general steps are as follows: step 1, measuring the overall length of a tool shank and a tool bit detached from the CNC machining center by using a caliper, step 2, replacing a new tool bit, measuring the overall length of the tool shank and the tool bit by using the caliper, enabling the measured data to be consistent with the step 1, step 3, programming the measured data into computer parameters of the CNC machining center, step 4, installing a new milling cutter tool on the CNC machining center, and finally achieving the machining requirement. However, when the length of the handle and the tool bit of the milling cutter is measured by the caliper, due to the appearance relationship of the handle, the clamping surface on the handle, which can be used for measuring the caliper, and the top end of the tool bit have an inclination error of about 30 degrees when the caliper is used for measuring, so that the overall length of the tool bit after replacement has an error of about 3-4mm, and the size processing precision can be ensured only by continuously debugging parameters after the tool bit is finally installed on equipment, thereby seriously affecting the production efficiency and the product quality. Therefore, a quick tool changer is needed to solve the problem that the whole length of the milling cutter cannot be consistent with the original data after the tool bit is replaced, and finally, the purposes of improving the production efficiency and improving the product quality are achieved.

Disclosure of Invention

In order to improve milling cutter tool bit installation effectiveness and whole length and keep unanimous problem, this application provides a quick accurate toolchanger, can be when realizing the quick replacement tool bit, make milling cutter's whole length keep unanimous before with the change to machining efficiency, machining precision and product quality have been improved.

The application provides a pair of quick accurate toolchanger adopts following technical scheme:

the utility model provides a quick accurate toolchanger, is in including base, mutual parallel arrangement two limiting plates on the base, establish the locating plate of limiting plate one end, through the limiting plate with the locating plate is in form a constant head tank that is used for placing milling cutter on the base, two still be equipped with length measurement module between the limiting plate, place in milling cutter head outer end in the constant head tank passes through length measurement module carries on spacingly, milling cutter in the constant head tank passes through length measurement module with the locating plate carries out the measurement of size after pressing from both sides tightly.

Through adopting the above-mentioned technical scheme, when changing milling cutter, only need to put into the constant head tank to milling cutter before changing, and measure milling cutter's relative position in the constant head tank through length measurement module and locating plate, then put into the constant head tank again with milling cutter after changing the tool bit, and measure new milling cutter's relative position in the constant head tank through length measurement module and locating plate, whether the milling cutter size before just can be fast and accurate judgement tool bit change is unanimous, also can make the tool bit lock at the quick required degree of depth of inserting of cutter bar unopposed state, thereby realize the quick replacement of tool bit, make the whole length of milling cutter after changing keep unanimous before with changing, thereby machining efficiency has been improved, machining precision and product quality, in the in-process of changing the tool bit, need not reuse slide caliper measurement length, thereby reduce or even avoided the size error scope that manual slide caliper measurement in-process exists, reduce the number of times of adjusting the machine, great improvement production efficiency, milling type precision to the product is also more accurate.

Optionally: the length measuring module comprises a sliding groove arranged on the inner side of the limiting plate, a movable plate with two ends arranged in the sliding groove in a sliding mode, and a scale strip arranged on the limiting plate and used for displaying the position of the movable plate.

Through adopting above-mentioned technical scheme, when measuring milling cutter's length through length measurement module and locating plate, only need remove and support the tool bit back along the spout through the fly leaf, just can judge the reference length of original milling cutter through the position of fly leaf on the scale strip fast, thereby make milling cutter's tool bit after the change, when guaranteeing that the fly leaf removes to reference length's measurement scale position, just support with the tool bit, just can realize milling cutter changes the length unanimity around the tool bit, make milling cutter change length judgement around simpler.

Optionally: the both sides of fly leaf are equipped with outside bellied slider, the both sides of fly leaf are passed through the slider is established in the spout, the upper and lower both sides of slider are equipped with the glide plane that is parallel to each other, the slider with adopt plane contact between the spout.

Through adopting above-mentioned technical scheme, when the spout of one side adopted the list structure, adopt plane contact and slip back between both sides and the spout about the slider, can avoid the fly leaf to appear rotatory phenomenon to make the fly leaf when carrying out the back-and-forth movement along the spout, stability is better, and measurement accuracy is more accurate.

Optionally: the movable plate is of a common cuboid structure, two sides of the movable plate are attached to the limiting plate, and the bottom of the movable plate is attached to the base.

Through adopting above-mentioned technical scheme, the fly leaf adopts the cuboid plate structure, and it is more convenient to process, and simple and convenient and the cost of manufacture is lower, simultaneously, when the fly leaf slides along the constant head tank in, can avoid appearing the slope phenomenon to make measurement accuracy more accurate.

Optionally: and the two limiting plates are symmetrically provided with a first U-shaped groove with an upward opening, and the positioning plate is provided with a second U-shaped groove with an upward opening.

Through adopting above-mentioned technical scheme, second U type groove is located the centre of constant head tank, put into milling cutter handle of a knife rear end assembly axle in the constant head tank and can stretch out backward through second U type groove, thereby make the joint terminal surface of handle of a knife rear end and the locating plate medial surface of second U type groove both sides realize face contact location simultaneously, especially when milling cutter whole length before the change is measured and the tool bit depth of insertion after the change is confirmed, the handle of a knife can keep unanimous with the mutual position of locating plate, avoid appearing the slope phenomenon, thereby realize accurate fixed to the milling cutter arbor of putting into the constant head tank at every turn through locating plate and base, both sides milling cutter puts into the back around avoiding appearing, the inconsistent phenomenon of length of handle of a knife measurement section in the constant head tank. Can reach more conveniently to compressing tightly the laminating to locating plate one side to the milling cutter handle hand of putting into through first U type groove on the limiting plate of both sides, can conveniently again to taking out of milling cutter.

Optionally: and a marking device is arranged on one side of the positioning groove, and the position of the milling cutter measured by the length measuring module is subjected to positioning and marking by the marking device.

Through adopting above-mentioned technical scheme, after length measurement module measures original milling cutter, can carry out quick mark through the mark device to length measurement module for the position of limiting plate, thereby make the tool bit change in-process remove and end the position through the quick length measurement module of mark device, the length that makes the tool bit stretch into the handle of a knife realizes quick location, the effectual tool bit of having avoided is changing the in-process because length measurement module removes too big and leads to the too big condition of depth of insertion, also avoid appearing measuring the back to raw data, because forget measured data and lead to assembling the accurate problem that can't guarantee.

Optionally: the marking device comprises a fixed marking body arranged on the inner side of the limiting plate and a movable marking body arranged on the fixed marking body, at least one of the fixed marking body or the movable marking body is made of a magnetic material, and the fixed marking body and the movable marking body are fixed through magnetic adsorption.

Through adopting above-mentioned technical scheme, when carrying out the position mark to length measurement module through the mark device, pass through length measurement module and tool bit contact back when original milling cutter, only need adsorb the activity mark body on fixed mark body to one side and length measurement module laminating, withdraw from and change the in-process of tool bit as length measurement module, can mark out the position of original measurement data in-process length measurement module for the positioning groove all the time through the activity mark body, thereby reach and remember the effect of changing the tool bit and stretching out length for a long time.

In summary, the present application has the following beneficial effects:

the milling cutter placed in the positioning groove is measured through the length measuring module and the positioning plate, whether the sizes of the milling cutters in the positioning groove are consistent or not before and after the cutter bit is replaced can be judged quickly and accurately, the replaced cutter bit can be quickly inserted into the required depth and locked in the state that the cutter bar is not locked, the quick replacement of the cutter bit is realized, the whole length of the replaced milling cutter is consistent with the whole length before replacement, the machining efficiency is improved, the machining precision and the product quality are improved, the length is measured without using a caliper, the size error range in the manual caliper measuring process is reduced or even avoided, the machine adjusting times are reduced, the production efficiency is greatly improved, and the milling precision of a product is more accurate.

Drawings

Fig. 1 is a schematic view of the overall structure of the first to fourth embodiments of the present invention;

fig. 2 is a schematic partial structural view of first to fourth embodiments of the present invention, showing specific structures and installation positions of the slider;

fig. 3 is a schematic structural diagram of a fifth embodiment of the present invention, which shows a specific structure of the marking device and a matching relationship with the movable plate.

In the figure, 1, a base; 2. a second U-shaped groove; 3. positioning a plate; 4. a first U-shaped groove; 5. a length measurement module; 51. a movable plate; 52. a chute; 53. a scale bar; 6. a limiting plate; 7. positioning a groove; 8. a sliding surface; 9. a slider; 10. a marking device; 101. a movable marker body; 102. the marker is fixed.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

In the description of the present application, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

Example 1: as shown in fig. 1, a quick accurate toolchanger, be in including base 1, mutual parallel arrangement two limiting plates 6 on the base 1, establish the locating plate 3 of limiting plate 6 one end, through limiting plate 6 with locating plate 3 is in form a constant head tank 7 that is used for placing milling cutter on the base 1, two still be equipped with length measurement module 5 between the limiting plate 6, place in milling cutter head outer end in the constant head tank 7 passes through length measurement module 5 carries on spacingly, milling cutter in the constant head tank 7 passes through length measurement module 5 with the measuring plate 3 carries out the measurement of size after pressing from both sides tightly.

In the actual installation process, the limiting plates 6 and the positioning plates 3 are generally in a sheet cuboid structure and are vertically installed on the base 1, wherein the positioning plate 3 is positioned at one end of the two limiting plates 6, a positioning groove 7 for placing a milling cutter is formed on the base 1 through the limiting plates 6 and the positioning plates 3, the length measuring module 5 is movably installed on the two limiting plates 6, when the cutter head of the milling cutter needs to be replaced, the milling cutter detached from a CNC machining center is firstly placed in the positioning groove 7, the milling cutter is pushed to one side of the positioning plate 3 through the length measuring module 5, when the rear end face of the cutter bar of the milling cutter is attached to the positioning plate 3, the length space formed by the length measuring module 5 and the positioning plate 3 is the reference length of the milling cutter, meanwhile, the position of the length measuring module 5 relative to the positioning groove 7 is the reference length, and then the cutter head of the milling cutter is replaced, after the cutter bit is inserted into the cutter bar, the milling cutter is placed into the positioning groove 7 again, one end of the milling cutter is attached to the positioning plate 3 again, then the length measuring module 5 is moved to the position of the reference length of the original milling cutter during measurement, the cutter bar is locked again, the deep position of the cutter bit can be quickly and accurately positioned, the extending length of the cutter bit is determined through the length measuring module 5, so that the size error range in the measuring process of a manual caliper is reduced or even avoided, the integral length of the replaced milling cutter can be consistent with that before replacement, the error of the milling cutter after replacement of the cutter bit is smaller, after the milling cutter is installed in a CNC machining center, the error range after installation can be reduced to within 1mm from the original 3-4mm, machine parameters do not need to be debugged repeatedly, and the number of times of debugging is reduced, thereby effectual machining efficiency, machining precision and the product quality of having improved, at the in-process of changing the tool bit, need not reuse slide caliper rule measurement length, great improvement production efficiency, also more accurate to the type precision of milling of product.

Example 2: in addition to embodiment 1, as shown in fig. 1, the length measuring module 5 further includes a sliding groove 52 disposed inside the limiting plate 6, a movable plate 51 having two ends slidably disposed in the sliding groove 52, and a scale 53 disposed on the limiting plate 6 for displaying the position of the movable plate 51.

The length measuring module 5 comprises a sliding groove 52, a movable plate 51 and scale strips 53, the scale strips 53 are located on the inner side of the limiting plate 6, when the length of the milling cutter is measured through the length measuring module 5, the movable plate 51 can be connected more conveniently through the sliding groove 52, the front and back movement is simpler and more convenient, the scale strips 53 are fixedly installed, the movable plate 51 is movably connected, the moving position of the movable plate 51 can be visually and accurately confirmed through the scale strips 53, after the movable plate 51 moves along the sliding groove 52 and abuts against a cutter head, the scale position where the reference length is located during measurement of an original milling cutter can be accurately and quickly remembered through the scale strips 53, and therefore after the cutter head of the milling cutter is replaced, the scale position corresponding to the moving of the movable plate 51 to the reference length during measurement is only required to be ensured, then the cutter head abuts against the movable plate 51, the length consistency between the front and the back of the milling cutter replacement can be realized, and the length judgment before and after the replacement is simpler.

Example 3: in addition to embodiment 2, as shown in fig. 2, two sides of the movable plate 51 are provided with outwardly protruding sliding blocks 9, two sides of the movable plate 51 are disposed in the sliding grooves 52 through the sliding blocks 9, upper and lower sides of the sliding blocks 9 are provided with sliding surfaces 8 parallel to each other, and the sliding blocks 9 and the sliding grooves 52 are in planar contact.

When the movable plate 51 is in sliding connection with the sliding groove 52, the sliding block 9 is adopted for connection, the structure is simpler, when the sliding groove 52 on one side or the sliding block 9 is in two or more than two, the movable plate 51 can realize automatic limiting, thereby avoiding the phenomenon of tilting up and down, and when the sliding groove 52 on one side adopts a single structure, in order to avoid the phenomenon of tilting up and down of the movable plate 51, parallel sliding surfaces 8 are formed on the upper side and the lower side of the sliding block 9, thereby after the movable plate 51 is in plane contact with and slides with the sliding groove 52, the rotating phenomenon of the movable plate 51 can be avoided, thereby enabling the movable plate 51 to move back and forth along the sliding groove 52, the stability is better, and the measurement accuracy is more accurate.

Example 4: in addition to embodiment 2 or embodiment 3, the improvement is that, as shown in fig. 2, the movable plate 51 is generally rectangular parallelepiped, two sides of the movable plate 51 are attached to the limiting plate 6, and the bottom of the movable plate 51 is attached to the base 1.

In actual assembling process, fly leaf 51 adopts the cuboid plate structure, and processing is more convenient, and simple and convenient and the cost of manufacture of technology is lower, simultaneously, when fly leaf 51 slides along in the constant head tank 7, can avoid appearing the slope phenomenon to make measurement accuracy more accurate, especially when also adopting the cuboid structure protruding with the slider 9 of both sides, whole processing is more convenient, and the effectual fly leaf 51 of having avoided appears about or controls pivoted condition and takes place in the constant head tank 7.

On the basis of any of the above embodiments, as shown in fig. 1, two limiting plates 6 are symmetrically provided with a first U-shaped groove 4 with an upward opening, and the positioning plate 3 is provided with a second U-shaped groove 2 with an upward opening.

In the in-service use process, because the rear end assembly shaft end surface area of the cutter arbor is smaller, in order to avoid the phenomenon that the milling cutter leans against the positioning plate 3 to incline, thereby causing the problem of inaccurate measurement, a second U-shaped groove 2 with an upward opening is arranged on the positioning plate 3, after the cutter arbor is placed in, the rear end assembly shaft of the milling cutter handle placed in the positioning groove 7 can extend backwards out of the positioning groove 7 through the second U-shaped groove 2, meanwhile, because the second U-shaped groove 2 is positioned in the middle of the positioning groove 7, the rear end clamping surface of the cutter arbor and the inner side surfaces of the positioning plates 3 at two sides of the second U-shaped groove 2 can realize surface contact positioning at the same time, thereby ensuring that the milling cutter is attached to the positioning plate 3, the whole length of the milling cutter before replacement is measured, and the insertion depth of the cutter head after replacement is determined, the mutual positions of the cutter handle and the positioning plate 3 can be kept consistent, the phenomenon of inclining is avoided, thereby realizing accurate fixation of the milling cutter handle placed in the positioning groove 7 at every time through the positioning plate 3 and the base 1, and avoiding the phenomenon that the front and rear two sides are placed in the milling cutter handle, and the length of the milling cutter is inconsistent. Can reach more conveniently compress tightly the laminating to 3 one sides of locating plate to the milling cutter handle hand-operated of putting into through first U type groove 4 on the limiting plate 6 of both sides, can conveniently again to taking out of milling cutter.

Example 5: in addition to any of the above embodiments, as shown in fig. 3, a marking device 10 is disposed on one side of the positioning groove 7, and the position of the length measuring module 5 after measuring the milling cutter is marked by the marking device 10.

In actual use, although the original length and the installed length measurement can be quickly and simply read and marked by the length measuring module 5, the length can be accurately and efficiently measured by the scale bar 53, as described in embodiment 2, for example. However, in many cases, data are memorized during the measurement of the milling cutter, when the cutter head suddenly forgets the original measured length in the replacement process, the problem that the length of the milling cutter cannot be accurately replaced easily occurs, and when the data memory is wrong, the assembled cutter is also easily subjected to size error. Therefore, in order to avoid the problem that original data is forgotten or wrongly recorded in the replacement process of the cutter head of the milling cutter, a marking device 10 is installed on one side of the positioning groove 7, after the length measuring module 5 measures the original milling cutter, the measuring position of the length measuring module 5 can be physically marked through the marking device 10, thereby the position of the cutter head after the cutter head is replaced is secondarily confirmed through the marking device 10, in case that the error in the size of the cutter head occurs, meanwhile, in the replacement process of the cutter head, the position can be stopped after the length measuring module 5 can be rapidly moved through the marking device 10, thereby the length of the cutter head extending into the cutter handle is rapidly positioned, the problem that the insertion depth is too large due to the fact that the length measuring module 5 is moved too much in the replacement process of the cutter head is effectively avoided, the problem that the assembly accuracy cannot be guaranteed due to forgetting of the measured data is also avoided.

In addition to embodiment 5, as shown in fig. 3, the marker 10 includes a fixed marker 102 disposed inside the position-limiting plate 6, and a movable marker 101 disposed on the fixed marker 102, at least one of the fixed marker 102 or the movable marker 101 is made of a magnetic material, and the fixed marker 102 and the movable marker 101 are fixed by magnetic attraction.

Through adopting above-mentioned technical scheme, generally fixed mark body 102 or activity mark body 101 adopt the magnet structure, and another then is the metal block to make activity mark body 101 when need not using, can dismantle, when needs use, only need with activity mark body 101 direct absorption just can fix on fixed mark body 102, for example: fixed mark body 102 is the metal sheet in the embedding limiting plate 6, and movable mark body 101 is magnet, when the mark is done to needs, only need adsorb magnet on the metal sheet, make one side of magnet and one side laminating of fly leaf 51, just can play the marking action, after the tool bit is changed and is put into the spacing groove, can directly remove to the magnet direction along spout 52 through fly leaf 51 is quick, when it contacts with magnet, just indicate that tool bit length is deep targets in place, can effectually avoid fly leaf 51 to continue to move forward and lead to the tool bit to stretch into excessive condition and take place. When carrying out position mark to length measurement module 5 through mark device 10, after original milling cutter passes through length measurement module 5 and tool bit contact, only need to adsorb activity mark body 101 on fixed mark body 102 to one side and the laminating of length measurement module 5, withdraw from and change the in-process of tool bit as length measurement module 5, can mark out the position of original measurement data in-process length measurement module 5 for constant head tank 7 all the time through activity mark body 101, thereby reach the effect of remembering for a long time that the change tool bit stretches out length.

The embodiments of the present invention are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (7)

1. The utility model provides a quick accurate toolchanger which characterized in that: including base (1), mutual parallel arrangement be in two limiting plates (6), the establishment on base (1) are in locating plate (3) of limiting plate (6) one end, through limiting plate (6) with locating plate (3) are in form a constant head tank (7) that are used for placing milling cutter on base (1), two still be equipped with length measurement module (5) between limiting plate (6), place in milling cutter head outer end in constant head tank (7) passes through length measurement module (5) carry out spacingly, milling cutter in constant head tank (7) passes through length measurement module (5) with locating plate (3) carry out the measurement of size after pressing from both sides tightly.

2. The quick and accurate tool changer according to claim 1, characterized in that: the length measuring module (5) comprises a sliding groove (52) arranged on the inner side of the limiting plate (6), a movable plate (51) with two ends arranged in the sliding groove (52) in a sliding mode, and a scale bar (53) arranged on the limiting plate (6) and used for displaying the position of the movable plate (51).

3. The quick and accurate tool changer of claim 2, wherein: the improved structure is characterized in that two sides of the movable plate (51) are provided with outwards convex sliding blocks (9), two sides of the movable plate (51) are provided with the sliding blocks (9) in the sliding grooves (52), the upper side and the lower side of each sliding block (9) are provided with sliding surfaces (8) which are parallel to each other, and the sliding blocks (9) are in plane contact with the sliding grooves (52).

4. The quick and accurate tool changer of claim 2, wherein: the portable plate (51) is of a common cuboid structure, two sides of the portable plate (51) are attached to the limiting plate (6), and the bottom of the portable plate (51) is attached to the base (1).

5. The quick and accurate tool changer of claim 1, wherein: two limiting plate (6) are gone up the symmetry and are equipped with a first U type groove (4) that open side up, be equipped with a second U type groove (2) that open side up on locating plate (3).

6. The quick and accurate tool changer according to any one of claims 1 to 5, characterized in that: and a marking device (10) is arranged on one side of the positioning groove (7), and the position of the milling cutter measured by the length measuring module (5) is subjected to positioning marking through the marking device (10).

7. The quick and accurate tool changer of claim 6, wherein: the marking device (10) comprises a fixed marking body (102) arranged on the inner side of the limiting plate (6) and a movable marking body (101) arranged on the fixed marking body (102), wherein at least one of the fixed marking body (102) or the movable marking body (101) is made of a magnetic material, and the fixed marking body (102) and the movable marking body (101) are fixed through magnetic adsorption.

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