CN216912913U

CN216912913U - Die changing tool for vertical milling machine

Info

Publication number: CN216912913U
Application number: CN202122806957.3U
Authority: CN
Inventors: 戢瑞鹏
Original assignee: Chengdu Oupai Smart Home Co ltd
Current assignee: Chengdu Oupai Smart Home Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-07-08
Anticipated expiration: 2031-11-16

Abstract

The utility model belongs to the technical field of mechanical tools and discloses a die changing tool for a vertical milling machine, which comprises a base, a limiting block, a screw rod piece and a height detection piece, wherein the base is arranged on the working table surface of a drill bit and is provided with a sliding groove and a through hole, and the sliding groove and the through hole are communicated; the limiting block is connected in the sliding groove in a sliding manner, and the drill bit can be stopped against the bottom surface of the limiting block; the screw rod piece is arranged in the through hole in a penetrating mode and is axially fixed, and the screw rod piece is provided with a second external thread which is matched and connected with the first external thread on the limiting block so as to convert the rotation of the screw rod piece into the sliding of the limiting block; the height detection piece is arranged on the base to detect the distance between the bottom surface of the limiting block and the working table surface. According to the utility model, by arranging the height detection piece, the limiting block can be adjusted to the target position, and the height of the drill bit can be adjusted only by adjusting the top end of the drill bit to be abutted against the limiting block when the height of the drill bit is adjusted, so that the height adjustment of the drill bit can be completed at one time, the time consumption for adjusting the drill bit is greatly reduced, and the die change efficiency of the vertical milling machine is conveniently improved.

Description

Die changing tool for vertical milling machine

Technical Field

The utility model relates to the technical field of mechanical tools, in particular to a die changing tool for a vertical milling machine.

Background

The independent small-size end mill machine needs the adjustment drill bit height in order to satisfy the production needs at present after changing the drill bit. During actual operation, the height of the drill bit needs to be adjusted for many times, and whether the height of the drill bit is adjusted in place is tested through actual production, so that the adjustment time is very long when the drill bit is replaced every time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a die changing tool for a vertical milling machine, and the die changing tool is used for solving the problem of long time consumption caused by the fact that the height of a drill bit needs to be adjusted for many times when a die of the vertical milling machine is changed.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a retooling frock for standing mill, includes:

the base is arranged on a workbench of the drill bit and provided with a sliding chute and a through hole, and the sliding chute is communicated with the through hole;

the limiting block is connected in the sliding groove in a sliding mode, the sliding direction is the vertical direction, and a first external thread is arranged on one side, facing the through hole, of the limiting block; the drill bit with the height to be adjusted can be abutted against the bottom surface of the limiting block;

the screw rod piece penetrates through the through hole and is axially fixed, the screw rod piece is provided with a second external thread, and the second external thread is matched and connected with the first external thread so as to convert the rotation of the screw rod piece into the sliding of the limiting block;

the height detection piece is arranged on the base to detect the distance between the bottom surface of the limiting block and the workbench.

Optionally, the height detection piece is a scale, the scale is arranged on the base, and the marking direction of the scale is consistent with the sliding direction of the limiting block.

Optionally, the height detection piece is a displacement sensor, and the displacement sensor is arranged on the base to detect the displacement of the limiting block.

Optionally, the displacement sensor is a capacitive grating displacement sensor, the fixed end of the capacitive grating displacement sensor is arranged on the base, and the movable end of the capacitive grating displacement sensor is arranged on the limiting block.

Optionally, the die changing tool for the vertical milling machine further comprises a display screen, the display screen is arranged on the base, and the display screen is connected with the displacement sensor to display the displacement of the limiting block.

Optionally, one side of the limiting block, which faces the through hole, is provided with a convex edge, the convex edge is arranged in the through hole in a penetrating manner, and the first external thread is arranged on the end face, which faces the through hole, of the convex edge.

Optionally, a guide block is arranged on the other side of the limiting block opposite to the protruding edge, the side of the chute far away from the through hole is an open end, and the guide block protrudes out of the open end.

Optionally, the through hole is a smooth hole, a step surface is arranged at the bottom end of the through hole, and the bottom end of the screw rod can be stopped against the step surface; the top of through-hole is equipped with the snap ring, be equipped with the ring channel on the screw member, the ring channel can be fixed with axial spacing on the snap ring.

Optionally, a transmission gear is arranged between the second external thread of the screw rod and the first external thread of the limiting block.

Optionally, the through hole is a threaded hole, the screw rod piece is in threaded connection with the through hole, and the limiting block is in rotational connection with the screw rod piece.

The utility model has the beneficial effects that:

according to the die changing tool for the vertical milling machine, the height detection piece is arranged, the limiting block can be adjusted to the target position, and when the height of the drill bit is adjusted, only the top end of the drill bit is required to be adjusted to be abutted against the limiting block, so that the height of the drill bit can be adjusted at one time, the time consumption for adjusting the drill bit is greatly reduced, and the die changing efficiency of the vertical milling machine is improved conveniently.

Drawings

FIG. 1 is a schematic overall structure diagram of a die changing tool for a vertical milling machine according to the utility model;

FIG. 2 is a schematic structural diagram of a base in the die changing tool for the vertical milling machine according to the utility model;

FIG. 3 is a schematic structural diagram of a limiting block in the die change tool for the vertical milling machine according to the utility model;

fig. 4 is a schematic structural diagram of a screw in the die change tooling for the vertical milling machine according to the utility model.

In the figure:

100. a drill bit; 200. a work table;

1. a base; 11. a chute; 12. a through hole; 121. a step surface; 122. a snap ring; 2. a limiting block; 20. a reference line; 21. a rib; 22. a guide block; 3. a screw member; 31. an annular groove; 32. a handle; 4. a height detection member; 5. a display screen.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning. The term "plurality" should be understood to mean more than two.

The utility model provides a die changing tool for a vertical milling machine, which can solve the problem of long time consumption caused by the fact that the height of a drill bit needs to be adjusted for many times when a die of the vertical milling machine is changed.

As shown in fig. 1, the die changing tool for the vertical milling machine comprises a base 1, a limiting block 2, a screw rod 3 and a height detecting piece 4, wherein the base 1 is arranged on a workbench 200 of a drill 100, the base 1 is provided with a chute 11 and a through hole 12, and the chute 11 is communicated with the through hole 12; the limiting block 2 is connected in the sliding groove 11 in a sliding mode, the sliding direction is the vertical direction, and a first external thread is arranged on one side, facing the through hole 12, of the limiting block 2; the drill bit 100 with the height to be adjusted can be stopped against the bottom surface of the limiting block 2; the screw rod piece 3 is arranged in the through hole 12 in a penetrating mode and is axially fixed, the screw rod piece 3 is provided with a second external thread, and the second external thread is connected with the first external thread in a matched mode so as to convert the rotation of the screw rod piece 3 into the sliding of the limiting block 2; the height detection member 4 is provided on the base 1 to detect a distance between the bottom surface of the stopper 2 and the table 200.

According to the die changing tool for the vertical milling machine, the height detection piece 4 is arranged, the limiting block 2 can be adjusted to the target position, when the height of the drill bit 100 is adjusted, only the top end of the drill bit 100 needs to be adjusted to be abutted against the limiting block 2, and then the height adjustment of the drill bit 100 can be completed at one time, so that the time consumption for adjusting the drill bit 100 is greatly reduced, and the die changing efficiency of the vertical milling machine is improved conveniently.

As shown in FIG. 2, the height detection part 4 is a scale which is arranged on the base 1, and the marking direction of the scale is consistent with the sliding direction of the limiting block 2. In this embodiment, along stopper 2's slip direction on base 1, can paste the scale that has the scale on base 1, also can directly carve on base 1, the scale on the scale can align in a certain position with stopper 2's bottom surface, consequently can detect stopper 2's height, the distance on stopper 2 bottom surface and workstation 200 surface promptly, and then play the limiting displacement to the height-adjusting of drill bit 100, realize disposable adjustment drill bit 100 height to target position. It should be noted that, as shown in fig. 3, the limiting block 2 is generally provided with a reference line 20 corresponding to the scale marks so as to accurately obtain the alignment position of the limiting block 2 on the scale, and for the vertical milling machine, the scale marks and the reference line 20 are horizontal lines, and the scale marks are required to meet the requirement of the adjustment precision of the height of the drill bit 100.

In other embodiments, the height detecting member 4 may also be a displacement sensor, and the displacement sensor is disposed on the base 1 to detect the displacement of the limiting block 2. The displacement sensor can more accurately detect the height of the limiting block 2 from the surface of the workbench 200, the accuracy of the height adjustment of the drill bit 100 is improved, and the displacement sensor with proper accuracy can be selected as required. Specifically, when the displacement sensor is a capacitance grid type displacement sensor, the fixed end of the capacitance grid type displacement sensor is arranged on the base 1, and the movable end of the capacitance grid type displacement sensor is arranged on the limiting block 2, so as to detect the distance from the bottom surface of the limiting block 2 to the surface of the workbench 200. For the more audio-visual position that obtains stopper 2, the retooling frock for standing mill of this embodiment still includes display screen 5, as shown in fig. 1, display screen 5 locates on base 1, and display screen 5 is connected with displacement sensor in order to show the displacement of stopper 2.

Optionally, a protruding rib 21 is arranged on a side of the stopper 2 facing the through hole 12, the protruding rib 21 is arranged in the through hole 12 in a penetrating manner, and the first external thread is arranged on an end face of the protruding rib 21 facing the through hole 12.

As shown in fig. 2, the sliding groove 11 penetrates through the base 1 in the vertical direction, so as to increase the adjustable distance of the limiting block 2 in the vertical direction. The spout 11 is the rectangular channel, is equipped with first opening in the middle of the rear end face of spout 11 in order to communicate through-hole 12, is equipped with the second opening in the middle of the preceding terminal surface of spout 11 in order to communicate the preceding terminal surface of base 1, and first opening and second opening are vertical opening and the parallel and bilateral symmetry setting about the central line of spout 11 of the two axis. The back of stopper 2 sets up

bead

21, 3 screw rod spare screw-thread fit in bead 21 through first opening and through-hole 12, because the axial spacing of screw rod spare 3 is fixed, therefore when screw rod spare 3 rotates, stopper 2 can slide in spout 11 along the axis direction, the height of stopper 2's bottom surface can be adjusted through screw rod spare 3, through-hole 12 axis, bead 21 axis, first opening axis and second opening axis all with stopper 2's central line coplane setting, consequently, can ensure stopper 2's stable slip, avoid verting, ensure that stopper 2's bottom surface is the horizontal plane, guarantee positioning accuracy, bead 21 has the slide guide effect to stopper 2 simultaneously.

Optionally, the other side of the limiting block 2 opposite to the protruding rib 21 is provided with a guide block 22, one side of the chute 11 far away from the through hole 12 is an open end, and the guide block 22 protrudes out of the open end.

As shown in fig. 2 and 3, the sliding groove 11 is an open end on a side away from the through hole 12, that is, a second opening of the front end surface of the sliding groove 11, the second opening communicates the front end surface of the sliding groove 11 and the front end surface of the base 1, the guide block 22 is inserted into the open end and slidably connected to the open end, the front end surface of the guide block 22 is preferably flush with the front end surface of the base 1, so that the reference line 20 on the guide block 22 is aligned with the scale on the front end surface of the base 1. The guide block 22 has a function of sliding guide. Of course, when the front end face of the guide block 22 protrudes beyond the front end face of the base 1, the datum line 20 may be extended sideways at the front end of the guide block 22 to ensure that the datum line 20 is aligned with the scale markings for ease of reading and positioning.

In the die changing tool for the vertical milling machine, the axial positioning of the screw rod piece 3 has two modes, the first mode is that the through hole 12 is a unthreaded hole, the bottom end of the through hole 12 is provided with a step surface 121, and the bottom end of the screw rod piece 3 can be stopped against the step surface 121; the top of through-hole 12 is equipped with snap ring 122, is equipped with ring channel 31 on the screw rod piece 3, and ring channel 31 can be fixed on snap ring 122 with axial spacing.

Secondly, the through hole 12 is a threaded hole, the screw rod piece 3 is in threaded connection with the through hole 12, and the limiting block 2 is in rotational connection with the screw rod piece 3.

For the first, with reference to fig. 2 and 4, the through hole 12 is a blind hole on the base 1, the bottom end of the through hole is sealed to form a step surface 121, and the bottom end of the screw member 3 is stopped against the step surface 121 after installation to limit the downward displacement of the screw member 3; the top end port of through-hole 12 sets up snap ring 122, and snap ring 122 can cooperate the joint with ring channel 31 on screw member 3, does the limited to the upward displacement of screw member 3 for screw member 3 can only rotate and can not remove. Specifically, the snap ring 122 may be embedded in the through hole 12, and a distance between the snap ring 122 and the step surface 121 is equal to a distance from the annular groove 31 to the bottom end of the screw member 3, so as to axially limit the screw member 3.

To the second kind, screw rod piece 3 threaded connection is in through-hole 12, rotates simultaneously between screw rod piece 3 and the stopper 2 to be connected, if set up forms such as bearing connection, when screw rod piece 3 rotates for through-hole 12 and rises and descend, stopper 2 goes up and down along with screw rod piece 3 simultaneously, realizes altitude mixture control.

Optionally, the top end of the screw member 3 is provided with a handle 32. Referring to fig. 4, in this embodiment, a handle 32 is disposed at a top end of the screw member 3, so as to facilitate driving the screw member 3 to rotate, the specific rotation may be performed manually or by a motor, and the screw member 3 may be a screw or a lead screw.

Optionally, a transmission gear is arranged between the second external thread of the screw rod piece 3 and the first external thread of the limiting block 2.

As an alternative, according to the requirement for the adjustment accuracy of the drill 100, when the drill 100 is required to have higher position accuracy, a transmission gear may be connected between the first external thread and the second external thread, and the adjustment of the lifting position accuracy of the adjustment limiting block 2 is achieved by setting the transmission ratio of the transmission gear, so as to obtain higher position accuracy of the drill 100.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a retooling frock for standing mill which characterized in that includes:

the drill bit comprises a base (1), wherein the base (1) is arranged on a workbench (200) of a drill bit (100), the base (1) is provided with a sliding chute (11) and a through hole (12), and the sliding chute (11) is communicated with the through hole (12);

the limiting block (2) is connected in the sliding groove (11) in a sliding mode, the sliding direction is the vertical direction, and a first external thread is arranged on one side, facing the through hole (12), of the limiting block (2); the drill bit (100) with the height to be adjusted can be abutted against the bottom surface of the limiting block (2); one side, facing the through hole (12), of the limiting block (2) is provided with a convex rib (21), the convex rib (21) is arranged in the through hole (12) in a penetrating mode, and the first external thread is arranged on the end face, facing the through hole (12), of the convex rib (21);

the screw rod piece (3) penetrates through the through hole (12) and is axially fixed, a second external thread is arranged on the screw rod piece (3), and the second external thread is matched and connected with the first external thread so as to convert the rotation of the screw rod piece (3) into the sliding of the limiting block (2);

the height detection piece (4) is arranged on the base (1) and used for detecting the distance between the bottom surface of the limiting block (2) and the workbench (200).

2. The die changing tool for the vertical milling machine according to claim 1, wherein the height detecting piece (4) is a scale, the scale is arranged on the base (1), and the marking direction of the scale is consistent with the sliding direction of the limiting block (2).

3. The die changing tool for the vertical milling machine according to claim 1, wherein the height detecting piece (4) is a displacement sensor, and the displacement sensor is arranged on the base (1) to detect the displacement of the limiting block (2).

4. The die changing tool for the vertical milling machine according to claim 3, wherein the displacement sensor is a capacitive grating displacement sensor, the fixed end of the capacitive grating displacement sensor is arranged on the base (1), and the movable end of the capacitive grating displacement sensor is arranged on the limiting block (2).

5. The die changing tool for the vertical milling machine according to claim 3, wherein the die changing tool for the vertical milling machine further comprises a display screen (5), the display screen (5) is arranged on the base (1), and the display screen (5) is connected with the displacement sensor to display the displacement of the limiting block (2).

6. The die changing tool for the vertical milling machine according to claim 1, wherein a guide block (22) is arranged on the other side of the limiting block (2) opposite to the convex rib (21), the sliding groove (11) is an open end on one side far away from the through hole (12), and the guide block (22) protrudes out of the open end.

7. The die changing tool for the vertical milling machine according to claim 1, wherein the through hole (12) is a smooth hole, a step surface (121) is arranged at the bottom end of the through hole (12), and the bottom end of the screw rod (3) can be stopped against the step surface (121); the top of through-hole (12) is equipped with snap ring (122), be equipped with ring channel (31) on screw member (3), ring channel (31) can be fixed with the axial is spacing on snap ring (122).

8. The die changing tool for the vertical milling machine according to claim 1, wherein a transmission gear is arranged between a second external thread of the screw rod piece (3) and the first external thread of the limiting block (2).

9. The die changing tool for the vertical milling machine according to claim 1, wherein the through hole (12) is a threaded hole, the screw rod piece (3) is in threaded connection with the through hole (12), and the limiting block (2) is in rotational connection with the screw rod piece (3).