CN111014744B

CN111014744B - Machine tool rest

Info

Publication number: CN111014744B
Application number: CN202010015397.7A
Authority: CN
Inventors: 不公告发明人
Original assignee: Jiangsu Hengcai Hydraulic Machinery Manufacturing Co ltd
Current assignee: JIANGSU HENGCAI HYDRAULIC MACHINERY MANUFACTURING Co.,Ltd.
Priority date: 2020-01-07
Filing date: 2020-01-07
Publication date: 2020-12-18
Anticipated expiration: 2040-01-07
Also published as: CN111014744A

Abstract

The invention discloses a tool rest of a machine tool, which comprises an upper shell and is characterized in that: go up to be equipped with a sword position, No. two sword positions, No. three sword positions, No. four sword positions in the shell, a sword position has the lateral wall to seted up the spout, it is equipped with the grip block to slide in a sword position, a sword position up end is equipped with control go up the gliding mechanism of pressing tightly of grip block, be equipped with down the grip block in a sword position, this application has set up automatic tool and has pressed from both sides tight and micromatic setting, can press from both sides tightly and finely tune the cutter of every position respectively by oneself, and the tool presss from both sides tightly simply reliably, has overcome current knife rest and need the manual work to press from both sides the dress and need the manual work to add the loaded down with trivial details part that the gasket carries out the fine setting, and this application structure is comparatively simple degree of automation height, has independent driving system, can not produce.

Description

Machine tool rest

Technical Field

The invention relates to the technical field of machine tools, in particular to a tool rest of a machine tool.

Background

The numerical control machine tool is an automatic machine tool equipped with a program control system, the control system can logically process and decode a program with control codes or other symbol instructions, the program is represented by coded numbers, the coded numbers are input into a numerical control device through an information carrier, various control signals are sent out by the numerical control device through operation processing, the action of the machine tool is controlled, parts are automatically machined according to the shape and the size required by a drawing, the numerical control machine tool well solves the problems of complex, precise, small-batch and various parts machining, the numerical control machine tool is a flexible and high-efficiency automatic machine tool, a part cutter for cutting or grinding is arranged on the numerical control machine tool, the cutter needs to be erected on a cutter rest, the existing cutter rest cannot be well combined with the cutter and the machine tool, unstable factors exist, the functionality is also single, and the functionality of the cutter rest is single, the tool needs to be adjusted manually, and the accuracy of part processing is lacked.

Disclosure of Invention

The object of the present invention is to provide a machine tool holder that overcomes the above-mentioned drawbacks of the prior art.

The invention relates to a machine tool rest, which comprises an upper shell, wherein a first tool position, a second tool position, a third tool position and a fourth tool position are arranged in the upper shell, a sliding groove is formed in the side wall of the first tool position, an upper clamping plate is arranged in the first tool position in a sliding manner, an upper pressing mechanism for controlling the upper clamping plate to slide is arranged on the upper end surface of the first tool position, a lower pressing plate is arranged in the first tool position, a first fixing block is fixedly arranged on the lower end surface of the lower pressing plate, a second fixing block is fixedly arranged in the first fixing block, a left ejector rod is rotatably connected with the second fixing block, the left ejector rod is in threaded connection with the first fixing block, a third fixing block is fixedly arranged on the lower end surface of the lower pressing plate, a fourth fixing block is fixedly arranged in the third fixing block, a right ejector rod is rotatably connected with the fourth fixing block, and the third fixing block is in threaded connection with, a first cavity is arranged below the first cutter position, a lower pressing mechanism for controlling the lower pressing plate to move is arranged in the first cavity, the lower pressing mechanism comprises a pressing device for controlling the lower pressing plate to slide and a rotating device for controlling the lower pressing mechanism to rotate, the pressing device comprises a fixing frame arranged in the first cavity, a second cavity is arranged in the fixing frame, a transmission shaft is rotatably connected between the upper side wall and the lower side wall of the second cavity, a first gear is fixedly and slidably connected to the outer surface of the transmission shaft, a first electromagnetic assembly fixedly connected with the outer surface of the transmission shaft is arranged on the upper side of the first gear, a first spring is arranged between the first electromagnetic assembly and the first gear, a first shaft is rotatably connected between the upper side wall and the lower side wall of the second cavity, and a second gear capable of being meshed with the first gear is fixedly arranged on the outer surface of the first shaft, no. two chamber lower side wall fixedly connected with fixed column one, fixed column threaded connection has left slide bar, left side slide bar lower extreme set firmly with No. three gear of No. two gear engagement, left side slide bar upper end upwards extend to set firmly in No. five fixed blocks of No. two chamber upper side walls, left side slide bar with No. five fixed block sliding connection, No. two chamber lower side wall fixedly connected with No. two fixed columns, No. two fixed column threaded connection have right slide bar, right side slide bar lower extreme set firmly with No. four gear of No. two gear engagement, right side slide bar upper end upwards extend to set firmly in No. six fixed blocks of No. two chamber upper side walls, right side slide bar with No. six fixed block sliding connection, hold-down mechanism is by power unit driven No. five gear drives down.

On the basis of the technical scheme, the rotating device comprises a rotating shaft arranged between the upper side wall and the lower side wall of the second cavity, the outer surface of the second shaft is slidably connected with a sixth gear, the upper side of the sixth gear is provided with a seventh gear fixedly connected with the second shaft, the sixth gear is provided with a seventh gear fixedly connected with the seventh gear, a second electromagnetic assembly fixedly connected with the second shaft is arranged between the seventh gear, a second spring is arranged between the second electromagnetic assembly and the sixth gear, a third shaft fixedly connected with the upper side wall of the second cavity extends from top to bottom, a eighth gear fixedly connected with the lower end of the third shaft, the upper end of the third shaft is rotatably connected with the upper side wall of the first cavity.

On the basis of the technical scheme, go up the pressure mechanism and include No. three chambeies, No. three chambeies downside wall has set firmly No. three electromagnetic components, No. three intracavity sliding connection have compress tightly the slider, compress tightly the slider with install No. three springs between the No. three electromagnetic components, compress tightly the slide bar that terminal surface fixedly connected with downwardly extending set up under the slider, be equipped with the spring chamber in the slide bar, spring intracavity sliding connection has the depression bar down that downwardly extending set up, depression bar up end down with install coupling spring between the side wall on the spring chamber, the depression bar lower extreme extends to No. three extracavitys.

On the basis of the technical scheme, power unit includes the shell down, motor chamber top is equipped with No. four chambeies, be equipped with the motor chamber down in the shell, motor chamber downside wall has set firmly the low-speed motor, the low-speed motor is connected with the power shaft that upwards extends the setting, the power shaft upper end upwards passes No. four chambeies extend to No. two intracavity and fixedly connected with No. five gears, No. four intracavity be equipped with power shaft fixed connection's No. nine gears, fixedly connected with No. four axles between the lateral wall about No. four chambeies, fixedly connected with No. ten gears on the No. four axle peripheries, No. ten gear upside be provided with No. four electromagnetic component of No. four axle periphery fixed connection, No. ten gears with install No. four springs between the No. four electromagnetic component.

On the basis of the technical scheme, the upper shell is connected with the lower shell in a sliding mode, and a sliding ball is arranged between the upper shell and the lower shell.

The invention has the beneficial effects that: this application has set up automatic cutter clamp and micromatic setting, can press from both sides tightly and the fine setting to the cutter of every position respectively by oneself, and the cutter presss from both sides tightly simple reliable, has overcome current knife rest and need the manual work to press from both sides the dress and need the manual work to add the loaded down with trivial details part that the gasket carries out the fine setting, and this application structure is comparatively simple degree of automation high, has independent driving system, can not produce other influences to the lathe.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of the overall construction of a tool holder of a machine tool according to the present invention;

FIG. 2 is a schematic view of the structure at A-A in FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 1;

FIG. 4 is a schematic view of the structure at B-B in FIG. 3;

fig. 5 is a schematic view of the structure at C in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1 to 5, a machine tool holder according to an embodiment of the present invention includes an upper housing 10, a first tool position 11, a second tool position 34, a third tool position 35, and a fourth tool position 36 are disposed in the upper housing 10, the first tool position 11 has a side wall provided with a sliding slot 29, the first tool position 11 has an upper clamping plate 68 slidably disposed therein, an upper end surface of the first tool position 11 is provided with an upper pressing mechanism 101 for controlling the upper clamping plate 68 to slide, the first tool position 11 has a lower pressing plate 12, a lower end surface of the lower pressing plate 12 is fixedly provided with a first fixing block 32, the first fixing block 32 is fixedly provided with a second fixing block 69, the second fixing block 69 is rotatably connected with a left ejector rod 33, the left ejector rod 33 is connected with the first fixing block 32 by a screw thread, the lower end surface of the lower pressing plate 12 is fixedly provided with a third fixing block 31, the third fixing block 31 is fixedly provided with a fourth fixing block 70, a right ejector rod 30 is rotationally connected in the fourth fixing block 70, the third fixing block 31 is in threaded connection with the first fixing block 21, a first cavity 13 is arranged below the first cutter location 11, a lower pressing mechanism 102 for controlling the lower pressing plate 12 to move is arranged in the first cavity 13, the lower pressing mechanism 102 comprises a pressing device 103 for controlling the lower pressing plate 12 to slide and a rotating device 104 for controlling the lower pressing mechanism to rotate, the pressing device 103 comprises a fixing frame 38 arranged in the first cavity 13, a second cavity 39 is arranged in the fixing frame 38, a transmission shaft 59 is rotationally connected between the upper side wall and the lower side wall of the second cavity 39, a first gear 46 is fixedly and slidably connected to the outer surface of the transmission shaft 59, a first electromagnetic assembly 24 fixedly connected to the outer surface of the transmission shaft 59 is arranged on the upper side of the first gear 46, and a first spring 25 is arranged between the first electromagnetic assembly 24 and the first gear 46, a first shaft 43 is rotatably connected between the upper side wall and the lower side wall of the second cavity 39, a second gear 42 capable of being meshed with the first gear 46 is fixedly arranged on the outer surface of the first shaft 43, a first fixing column 41 is fixedly connected to the lower side wall of the second cavity 39, a left sliding rod 58 is in threaded connection with the first fixing column 41, a third gear 40 meshed with the second gear 42 is fixedly arranged at the lower end of the left sliding rod 58, the upper end of the left sliding rod 58 extends upwards to a fifth fixing block 37 fixedly arranged on the upper side wall of the second cavity 39, the left sliding rod 58 is in sliding connection with the fifth fixing block 37, a second fixing column 45 is fixedly connected to the lower side wall of the second cavity 39, a right sliding rod 56 is in threaded connection with the second fixing column 45, a fourth gear 44 meshed with the second gear 42 is fixedly arranged at the lower end of the right sliding rod 56, the upper end of the right sliding rod 56 extends upwards to a sixth fixing block 57 fixedly arranged on the upper side wall of the second, the right sliding rod 56 is connected with the six fixed block 57 in a sliding manner, and the lower pressing mechanism 102 is driven by a fifth gear 48 of a power mechanism drive 105.

In addition, in one embodiment, the rotating device 104 includes a second shaft 53 rotatably disposed between the upper and lower side walls of the second cavity 39, a sixth gear 49 is slidably connected to the outer surface of the second shaft 53, a seventh gear 52 fixedly connected to the second shaft 53 is disposed on the upper side of the sixth gear 49, a second electromagnetic assembly 51 fixedly connected to the second shaft 53 is disposed between the sixth gear 49 and the seventh gear 52, a second spring 50 is mounted between the second electromagnetic assembly 51 and the sixth gear 49, a third shaft 54 vertically extending is fixedly connected to the upper side wall of the second cavity 39, an eighth gear 55 is fixedly connected to the lower end of the third shaft 54, and the upper end of the third shaft 54 is rotatably connected to the upper side wall of the first cavity 13; when the pressing adjustment is required to be performed on other positions, the second electromagnetic assembly 51 is powered on to drive the sixth gear 49 to slide upwards, the sixth gear 49 is meshed with the fifth gear 48, the fifth gear 48 drives the sixth gear 49 to rotate, the sixth gear 49 drives the second shaft 53 to rotate, the second shaft 53 drives the seventh gear 52 to rotate, the seventh gear 52 drives the eighth gear 55 to rotate, the eighth gear 55 drives the third shaft 54 to rotate, and the third shaft 54 drives the fixed frame 38 to rotate, so that the rotation of the lower pressing mechanism 102 is realized.

In addition, in one embodiment, the upper pressing mechanism 101 includes a third chamber 60, a third electromagnetic assembly 62 is fixedly arranged on a lower side wall of the third chamber 60, a pressing slider 67 is slidably connected in the third chamber 60, a third spring 61 is installed between the pressing slider 67 and the third electromagnetic assembly 62, a sliding rod 66 extending downward is fixedly connected to a lower end surface of the pressing slider 67, a spring chamber 65 is arranged in the sliding rod 66, a lower pressing rod 63 extending downward is slidably connected in the spring chamber 65, a connecting spring 64 is installed between an upper end surface of the lower pressing rod 63 and an upper side wall of the spring chamber 65, and a lower end of the lower pressing rod 63 extends out of the third chamber 60; when the clamping is required, the third electromagnetic assembly 62 is electrified to drive the pressing slider 67 to slide downwards, the pressing slider 67 drives the sliding rod 66 to move downwards, the third spring 61 is compressed, the sliding rod 66 drives the lower pressing rod 63 to move downwards, the lower pressing rod 63 drives the upper clamping plate 68 to move downwards, when the fine adjustment is performed, the upper clamping plate 68 moves upwards to drive the lower pressing rod 63 to move upwards, and the connecting spring 64 is compressed, so that the pressing and fine adjustment functions of the cutter are realized.

In addition, in one embodiment, the power mechanism 105 comprises the lower shell 73, a fourth cavity 17 is arranged above the motor cavity 18, a motor cavity 18 is arranged in the lower shell 73, a low-speed motor 22 is fixedly arranged on the lower side wall of the motor cavity 18, the low-speed motor 22 is connected with a power shaft 26 which extends upwards, the upper end of the power shaft 26 upwards penetrates through the fourth cavity 17 to extend into the second cavity 39 and is fixedly connected with a fifth gear 48, a ninth gear 28 fixedly connected with the power shaft 26 is arranged in the fourth cavity 17, a fourth shaft 23 is fixedly connected between the upper side wall and the lower side wall of the fourth cavity 17, a number ten gear 16 is fixedly connected to the periphery of the number four shaft 23, a number four electromagnetic assembly 14 fixedly connected to the periphery of the number four shaft 23 is arranged on the upper side of the number ten gear 16, a fourth spring 15 is arranged between the tenth gear 16 and the fourth electromagnetic assembly 14; when the low-speed motor 22 is started, the power shaft 26 is driven to rotate, the power shaft 26 drives the ninth gear 28 to rotate, the power shaft 26 drives the fifth gear 48 to rotate, when tool changing is needed, the fourth electromagnetic assembly 14 is electrified to drive the tenth gear 16 to slide upwards, the tenth gear 16 is meshed with the ninth gear 28, the ninth gear 28 drives the tenth gear 16 to rotate, and the tenth gear 16 drives the upper shell 10 to rotate, so that the tool position can be converted.

In addition, in one embodiment, the upper housing 10 is slidably connected to the lower housing 73, and a sliding ball 27 is disposed between the upper housing 10 and the lower housing 73; thereby achieving rotation between the upper housing 10 and the lower housing 73.

In the initial state, the first spring 25, the second spring 50, the third spring 61 and the fourth spring 15 are all in the extended state, and the fourth electromagnetic assembly 14, the low-speed motor 22, the second electromagnetic assembly 51 and the first electromagnetic assembly 24 are in the power-off state.

When the tool needs to be clamped, the low-speed motor 22 is electrified to drive the fifth gear 48 to rotate, the first electromagnetic assembly 24 is electrified to drive the first gear 46 to be meshed with the fifth gear 48, the fifth gear 48 drives the first gear 46 to rotate, the first gear 46 drives the second gear 42 to rotate, the second gear 42 drives the third gear 40 and the fourth gear 44 to rotate, the third gear 40 drives the left sliding rod 58 to rotate, the left sliding rod 58 moves upwards to be connected with the left top rod 33 to drive the left top rod 33 to move upwards, the right sliding rod 56 is connected with the right top bar 30 to drive the right top bar 30 to move upwards, the left ejector rod 33 and the right ejector rod 30 drive the lower pressing plate 12 to move upwards, and the third electromagnetic assembly 62 is electrified to drive the upper clamping plate 68 to move downwards, so that clamping and fine adjustment of the cutter are completed.

When the tool position needs to be changed, the fourth electromagnetic assembly 14 is powered on to drive the upper shell 10 to rotate, so that the tool position is changed.

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 scope of the present invention are intended to be included therein.

Claims

1. A machine tool holder comprising an upper housing, characterized in that: the upper shell is internally provided with a first cutter position, a second cutter position, a third cutter position and a fourth cutter position, the first cutter position is provided with a sliding groove on the side wall, an upper clamping plate is arranged in the first cutter position in a sliding manner, the upper end surface of the first cutter position is provided with an upper pressing mechanism for controlling the upper clamping plate to slide, a lower pressing plate is arranged in the first cutter position, a first fixing block is fixedly arranged on the lower end surface of the lower pressing plate, a second fixing block is fixedly arranged in the first fixing block, a left ejector rod is rotatably connected with the second fixing block, the left ejector rod is in threaded connection with the first fixing block, a third fixing block is fixedly arranged on the lower end surface of the lower pressing plate, a fourth fixing block is fixedly arranged in the third fixing block, a right ejector rod is rotatably connected with the fourth fixing block, the third fixing block is in threaded connection with the right ejector rod, a first cavity is arranged below the first cutter position, and a lower pressing mechanism for controlling the lower pressing plate to move is arranged in, the lower pressing mechanism comprises a pressing device for controlling the lower pressing plate to slide and a rotating device for controlling the lower pressing mechanism to rotate, the pressing device comprises a fixing frame arranged in the first cavity, a second cavity is arranged in the fixing frame, a transmission shaft is rotatably connected between the upper side wall and the lower side wall of the second cavity, a first gear is slidably connected to the outer surface of the transmission shaft, a first electromagnetic assembly fixedly connected with the outer surface of the transmission shaft is arranged on the upper side of the first gear, a first spring is arranged between the first electromagnetic assembly and the first gear, a first shaft is rotatably connected between the upper side wall and the lower side wall of the second cavity, a second gear capable of being meshed with the first gear is fixedly arranged on the outer surface of the first shaft, a first fixing column is fixedly connected to the lower side wall of the second cavity, a left sliding rod is in threaded connection with the first fixing column, and a third gear meshed with the second gear is fixedly arranged at the lower end of the, the upper end of the left sliding rod extends upwards to a fifth fixed block fixedly arranged on the upper side wall of the second cavity, the left sliding rod is connected with the fifth fixed block in a sliding manner, a second fixed column is fixedly connected on the lower side wall of the second cavity, a right sliding rod is in threaded connection with the second fixed column, a fourth gear meshed with the second gear is fixedly arranged at the lower end of the right sliding rod, the upper end of the right sliding rod extends upwards to a sixth fixed block fixedly arranged on the upper side wall of the second cavity, the right sliding rod is connected with the sixth fixed block in a sliding manner, and the lower pressing mechanism is driven by the fifth gear driven by a power mechanism; the rotating device comprises a second shaft which is rotatably arranged between the upper side wall and the lower side wall of the second cavity, a sixth gear is slidably connected to the outer surface of the second shaft, a seventh gear fixedly connected with the second shaft is arranged on the upper side of the sixth gear, a second electromagnetic assembly fixedly connected with the second shaft is arranged between the sixth gear and the seventh gear, a second spring is arranged between the second electromagnetic assembly and the sixth gear, a third shaft which extends up and down is fixedly connected to the upper side wall of the second cavity, an eighth gear is fixedly connected to the lower end of the third shaft, and the upper end of the third shaft is rotatably connected with the upper side wall of the first cavity; the upper pressing mechanism comprises a third cavity, a third electromagnetic assembly is fixedly arranged on the lower side wall of the third cavity, a pressing sliding block is connected in the third cavity in a sliding mode, a third spring is arranged between the pressing sliding block and the third electromagnetic assembly, a sliding rod which extends downwards is fixedly connected to the lower end face of the pressing sliding block, a spring cavity is formed in the sliding rod, a lower pressing rod which extends downwards is connected in the spring cavity in a sliding mode, a connecting spring is arranged between the upper end face of the lower pressing rod and the upper side wall of the spring cavity, and the lower end of the lower pressing rod extends out of the third cavity; the power mechanism comprises a lower shell, a motor cavity is arranged in the lower shell, a fourth cavity is arranged above the motor cavity, a low-speed motor is fixedly arranged on the lower side wall of the motor cavity, the low-speed motor is connected with a power shaft which extends upwards, the upper end of the power shaft penetrates the fourth cavity upwards and extends into the second cavity, a fifth gear is fixedly connected with the power shaft, a ninth gear fixedly connected with the power shaft is arranged in the fourth cavity, a fourth shaft is fixedly connected between the upper side wall and the lower side wall of the fourth cavity, a tenth gear is fixedly connected with the periphery of the fourth shaft, a fourth electromagnetic assembly fixedly connected with the periphery of the fourth shaft is arranged on the upper side of the tenth gear, and a fourth spring is arranged between the tenth gear and the fourth electromagnetic assembly; the upper shell is connected with the lower shell in a sliding mode, and a sliding ball is arranged between the upper shell and the lower shell.