CN210059978U - Double-guide-column double-servo vertical internal broaching machine - Google Patents
Double-guide-column double-servo vertical internal broaching machine Download PDFInfo
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- CN210059978U CN210059978U CN201920502795.4U CN201920502795U CN210059978U CN 210059978 U CN210059978 U CN 210059978U CN 201920502795 U CN201920502795 U CN 201920502795U CN 210059978 U CN210059978 U CN 210059978U
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Abstract
The utility model relates to a broaching machine in two servo vertical of two guide pillars, this broaching machine in two servo vertical of two guide pillars is vertical on the lathe bed is provided with guide pillar and first ball screw, and first carriage apron is installed on the guide pillar to can reciprocate relatively the lathe bed, still be provided with the first servo motor who reciprocates through the first carriage apron of first ball screw drive on the lathe bed, the common vertical plane that forms of foretell guide pillar and first ball screw, treat that the broaching center of broaching work piece and broach is located this vertical plane, the utility model has the advantages of: the guide pillar that will be used for the direction like this, the design of being used for driven first ball screw and broaching center concentration in same vertical plane can guarantee the upset moment that can not produce at the broaching in-process for guide structure, drive structure's wearing and tearing diminish, have increased the life of equipment.
Description
Technical Field
The utility model relates to a vertical broaching machine field especially relates to a two servo vertical internal broaching machines of two guide pillars.
Background
The existing vertical internal broaching machines are all driven by hydraulic pressure, the hydraulic broaching machines are driven by hydraulic pressure as power, wherein a hydraulic system is a complex electromechanical-hydraulic integrated system, each subsystem realizes system functions by working and mutual coordination of the subsystem under normal conditions, once the system fails, the system fault source, particularly the hydraulic shaking problem is difficult to determine quickly and accurately due to the complexity of the system structure and the working principle, and the problem is always difficult to solve for a long time in broaching machine products. In addition, because the tool bit used for broaching and the part to be broached on the broaching machine are often huge in size, if the condition that the acting force is unevenly distributed occurs in the broaching process, the whole broaching machine can be damaged, and the service life is influenced. For example, the Chinese patent with patent number CN201310452359.8 discloses a mechanical pull-up inner broaching machine, the broaching machine is respectively connected with a rolling screw rod pair and a rolling guide rail pair at the two sides of the front end of a main slide carriage, the main slide carriage horizontally moves up and down along the rolling guide rail pair under the driving of the rolling screw rod pair, the two rolling screw rod pairs and the two rolling guide rail pairs are arranged in an isosceles trapezoid shape, the trapezoidal driving transmission layout and the layout mode of the driving mechanism which is more common in the market and is positioned at one side of the broaching center, although the stability of broaching is increased to some extent, during broaching, when the broach head contacts the work piece to be broached, can generate overturning force between the driving mechanism and the transmission mechanism, can generate tiny damage to each part, and can generate small damage after long-term storage, not only can greatly reduce the service life of each part, but also can bring great potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art's current situation, provide an effort distribution evenly and two servo vertical internal broaching machines of two guide pillars that moment of overturning is little.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a double-guide-column double-servo vertical internal broaching machine, which comprises
A base;
the lathe bed is vertically fixed on the base;
the first slide carriage is connected to the lathe bed and can move up and down relative to the lathe bed, and the first slide carriage is provided with a processing position for placing a workpiece to be broached;
the first chuck is used for clamping the lower end of the broach, is positioned below the first slide carriage and is fixedly connected to the bed body;
the cutter lifting component is provided with a second chuck for clamping the upper end of the broach, and can drive the broach to synchronously move up and down relative to the lathe bed;
the two first servo motors are respectively arranged on the left side and the right side of the top of the lathe bed, and correspondingly, the two first ball screws are also matched with the first servo motors; the broaching machine is characterized in that the guide posts are vertically arranged on a machine body, the first slide carriage is arranged on the guide posts, the first ball screw can drive the first slide carriage to move under the driving of a first servo motor, the number of the guide posts is two, the two guide posts are respectively arranged on the left side and the right side of a machining position, a part, to be broached, of the machining position, where a workpiece to be broached is connected with a broaching tool, forms a broaching center, and the broaching center is always located in a vertical plane formed by the guide posts and the first ball screw.
In order to realize that the broaching center is located in a vertical plane formed by the guide columns and the first ball screws together, preferably, the two first servo motors are respectively connected with the left side and the right side of the first slide carriage through the corresponding first ball screws, and the two guide columns and the two first ball screws together form the vertical plane.
In order to ensure that the first ball screw does not enable the guide pillar to generate transverse acting force, the first ball screw, the guide pillar and the broaching center are sequentially arranged from the outer side to the inner side of the lathe bed.
In order to ensure that the broach can be smoothly placed into a working position, the broach lifting assembly further comprises a second slide carriage which is positioned above the first slide carriage and can move up and down relative to the first slide carriage, and the second chuck is arranged on the second slide carriage.
In order to drive the tool lifting assembly conveniently, a second servo motor and a second ball screw are further arranged on the machine body, the second guide pillar and the second ball screw are vertically arranged on the machine body, the second servo motor is located above the machine body, and the second servo motor is in driving connection with the second slide carriage through the second ball screw.
In order to ensure that the second slide carriage can move relative to the machine bed, the second slide carriage is arranged on the guide columns in a sliding mode, and the second slide carriage is located between the two guide columns.
The lathe bed includes upper lathe bed and lower lathe bed that sets up from top to bottom, guide pillar and first ball screw all set up on the lathe bed down to, the upper end of guide pillar is connected with the upper lathe bed, first servo motor sets up on the lathe bed down, the second servo motor sets up on the lathe bed.
Preferably, the rear side of the base is also provided with a cooling chip removal device for filtering metal chips in the cooling liquid.
In order to prevent metal scraps from splashing during broaching, the front part of the base is also provided with a protective cover for covering the periphery of the lathe bed.
Compared with the prior art, the utility model has the advantages of: the double-guide-column double-servo vertical inner broaching machine utilizes the servo motor to drive to replace a hydraulic oil cylinder in the prior art, and the servo motor driving mode greatly enhances the controllability of the broaching machine, thereby effectively improving the broaching efficiency and simultaneously ensuring the broaching precision of a workpiece; secondly, this broaching machine is provided with guide pillar and first ball screw in the vertical on the lathe bed, first carriage apron is installed on the guide pillar, and can reciprocate relatively the lathe bed, still be provided with the first servo motor that drives first carriage apron through first ball screw and reciprocate on the lathe bed, the vertical plane that foretell guide pillar and first ball screw formed jointly, the broaching center of waiting to broach work piece and broach is located this vertical plane all the time, the guide pillar that will be used for the direction like this, the design that is used for driven first ball screw and broaching center concentrate on same vertical plane, can guarantee the overturning moment that can not produce at the broaching in-process, make guide structure, the wearing and tearing of transmission structure diminish, the life of equipment has been increased.
Drawings
FIG. 1 is a schematic view of an overall structure of an internal broaching machine according to an embodiment of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic view of the internal broaching machine according to the embodiment of the present invention after omitting part of the structure;
FIG. 4 is a sectional view of the inner broaching machine according to the embodiment of the present invention;
fig. 5 is a sectional view taken along a-a in fig. 4.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 5, in this embodiment, the double-guide-column double-servo vertical internal broaching machine of the present invention includes a base 100, a machine bed 1, a first carriage 2, a second carriage 31, a first chuck 101, a second chuck 102, a first servo motor 6, a second servo motor 32, a first ball screw 5, a second ball screw 33 and a guide column 4.
The bed 1 in this embodiment is vertically fixed on the base 100, and the bed 1 specifically includes an upper bed 11 and a lower bed 12, where the lower bed 12 is located below the upper bed 11.
The first slide carriage 2 is provided with a processing position 2a for placing a workpiece to be broached, the first slide carriage 2 can move up and down relative to the machine bed 1, the guide posts 4 are vertically arranged on the machine bed 1, specifically on the lower machine bed 12, the upper end of the first slide carriage is connected with the upper machine bed 11, the first slide carriage 2 is arranged on the guide posts 4, the two guide posts 4 are arranged on the left side and the right side of the processing position 2a respectively, in order to drive the first slide carriage 2, the upper machine bed 11 is provided with a first servo motor 6 for driving the first slide carriage 2, in the embodiment, the first servo motors 6 are two and are arranged on the left side and the right side of the top of the lower machine bed 12 respectively, the two first servo motors 6 are connected with the left side and the right side of the first slide carriage 2 through corresponding first ball screws 5 respectively, so that when the broaching tool is fixed, the first slide carriage 2 provided with the workpiece to be broached can be driven by the first servo motor 6, driven by the first ball screw 5 to move up and down relative to the lathe bed 1 so as to finish the broaching action.
In this embodiment, the part where the workpiece to be broached on the processing position 2a meets the broach forms a broaching center, the guide post 4 and the first ball screw 5 jointly form a vertical plane, and in the broaching process, the broaching center is always located in the vertical plane, and the structure design enables the actual contact point of the broach and the workpiece, the guide post 4 for guiding the first slide carriage 2 and the first ball screw 5 for transmitting the first servo motor 6 to the first slide carriage 2 to be located in the same vertical plane during broaching, so that the overturning moment can not be generated in the broaching process, the abrasion of the guide structure and the transmission structure is reduced, and the service life of the device is prolonged. In the present embodiment, since there are two guide columns 4 for guiding and two first ball screws 5 for driving, the vertical plane is actually formed by two guide columns 4 and two first ball screws 5, and the first ball screws 5, the guide columns 4 and the broaching centers are arranged in sequence from the outside to the inside of the bed 1.
In this embodiment, since the broaching tool is fixed during broaching, the first carriage 2 moves up and down to complete the broaching operation, and therefore the position of the broaching tool needs to be adjusted and fixed in advance, the first chuck 101 is used for holding the lower end of the broaching tool, the first chuck 101 is located below the first carriage 2 and is fixedly connected to the machine bed 1, the machine bed 1 is further provided with a tool lifting assembly 3 for moving the broaching tool up and down relative to the machine bed 1, the tool lifting assembly 3 comprises a second carriage 31 and a second chuck 102 arranged on the second carriage 31, the tool lifting assembly 3 is driven by a second servo motor 32, the second servo motor 32 is connected to the second carriage 31 through a second ball screw 33 to drive the second carriage 31 and the broaching tool to move up and down relative to the machine bed 1, wherein the second carriage 31, the second ball screw 33 and the second chuck 102 are all arranged on the upper machine bed 11, wherein the second servo motor 32 and the second ball screw 33 are located in the middle of the upper bed 11 and above the second carriage 31, the second carriage 31 is slidably disposed on the guide post 4, and the second carriage 31 is located between the two guide posts 4, the second carriage 31 is also slidably designed through the guide post 4, so that the guide post 4 can guide the sliding of the first carriage 2 and the second carriage 31 at the same time, and in addition, the design that the second carriage 31 is located between the two guide posts 4 can reduce the space occupied by the second carriage 31 when sliding to the greatest extent, so that the space layout of the whole broaching machine is more compact.
In this embodiment, a cooling chip removal device 7 for filtering metal chips in the cooling liquid is further disposed on the rear side of the base 100, and a protective cover 8 for covering the periphery of the bed 1 is further disposed on the front portion of the base 100.
The specific working process of the broaching machine is as follows:
when the broaching machine works, the first slide carriage 2 and the second slide carriage 31 are respectively positioned at respective initial positions, a workpiece to be broached is placed at the processing position 2a of the first slide carriage 2, the upper end of a broach is clamped by the second chuck 102, the second slide carriage 31 drives the second chuck 102 and the broach to synchronously move downwards under the driving of the second servo motor 32, when the second slide carriage 31 moves downwards to the lowest point, the lower end of the broach is clamped by the first chuck 101, and at the moment, the upper end and the lower end of the broach are respectively and completely fixed by the first chuck 101 and the second chuck 102, namely temporarily fixed on the machine body 1. The first slide carriage 2 is driven by a first servo motor 6 to drive a workpiece to move from bottom to top until the part is machined; then the second chuck 102 loosens the upper end of the broach, simultaneously the second servo motor 32 drives the second slide carriage 31 to move upwards, an avoiding space is formed at the upper end of the first slide carriage 2, the first servo motor 6 drives the first slide carriage 2 to drive the workpiece to move upwards to the upper end of the broach, the workpiece is pushed outwards under the action of the unloading mechanism to give way to the machine tool, after the machine tool returns to the place, the workpiece is pushed outwards for the second time under the action of the unloading mechanism and is directly pushed out of the machine tool to enter the protective cover 8, and unloading is achieved.
Then the first servo motor 6 drives the first slide carriage 2 to recover to the initial position, the second servo motor 32 drives the second slide carriage 31 to move downwards, the second chuck 102 clamps the upper end of the broach, the first chuck 101 loosens the clamping of the lower end of the broach, the second servo motor 32 drives the second slide carriage 31 to drive the broach to synchronously move upwards to recover to the initial position, and the steps are repeated so as to finish the processing of a plurality of workpieces to be broached.
Claims (9)
1. A double-guide-column double-servo vertical internal broaching machine, which comprises
A base (100);
the lathe bed (1) is vertically fixed on the base (100);
the first slide carriage (2) is connected to the lathe bed (1) and can move up and down relative to the lathe bed (1), and the first slide carriage (2) is provided with a processing position (2a) for placing a workpiece to be broached;
the first chuck (101) is used for clamping the lower end of the broach, and the first chuck (101) is positioned below the first slide carriage (2) and fixedly connected to the lathe bed (1);
the cutter lifting assembly (3) is provided with a second chuck (102) used for clamping the upper end of the broach, and the cutter lifting assembly (3) can drive the broach to synchronously move up and down relative to the lathe bed (1);
the method is characterized in that: the automatic lathe is characterized by further comprising a guide post (4), two first ball screws (5) and two first servo motors (6) for driving the first slide carriage (2) to move, wherein the two first servo motors (6) are respectively arranged on the left side and the right side of the top of the lathe bed (1), and correspondingly, the two first ball screws (5) are matched with the first servo motors (6); the broaching machine is characterized in that the guide columns (4) are vertically arranged on the machine body (1), the first slide carriage (2) is arranged on the guide columns (4), the first ball screw (5) can drive the first slide carriage (2) to move under the driving of the first servo motor (6), the number of the guide columns (4) is two, the two guide columns (4) are respectively arranged on the left side and the right side of the machining position (2a), a part, to be broached, of the machining position (2a) where a workpiece to be broached is connected with a broaching tool forms a broaching center, and the broaching center is always located in a vertical plane formed by the guide columns (4) and the first ball screw (5) together.
2. The double-guide-column double-servo vertical internal broaching machine according to claim 1, characterized in that: the two first servo motors (6) are respectively connected with the left side and the right side of the first slide carriage (2) through the corresponding first ball screws (5), and the two guide columns (4) and the two first ball screws (5) jointly form the vertical plane.
3. The double-guide-column double-servo vertical internal broaching machine according to claim 2, characterized in that: the first ball screw (5), the guide post (4) and the broaching center are sequentially arranged from the outer side to the inner side of the lathe bed (1).
4. The double-guide-column double-servo vertical internal broaching machine as claimed in any one of claims 1 to 3, wherein: the knife lifting assembly (3) further comprises a second slide carriage (31) which is positioned above the first slide carriage (2) and can move up and down relative to the first slide carriage (2), and the second chuck (102) is arranged on the second slide carriage (31).
5. The double-guide-column double-servo vertical internal broaching machine according to claim 4, wherein: the lathe bed (1) is further provided with a second servo motor (32) and a second ball screw (33), the guide pillar (4) and the second ball screw (33) are both vertically arranged on the lathe bed (1), the second servo motor (32) is located above the lathe bed (1), and the second servo motor (32) is in driving connection with the second slide carriage (31) through the second ball screw (33).
6. The double-guide-column double-servo vertical internal broaching machine according to claim 5, wherein: the second slide carriage (31) is arranged on the guide columns (4) in a sliding manner, and the second slide carriage (31) is positioned between the two guide columns (4).
7. The double-guide-column double-servo vertical internal broaching machine according to claim 5, wherein: the lathe bed (1) comprises an upper lathe bed (11) and a lower lathe bed (12) which are arranged up and down, the guide column (4) and the first ball screw (5) are arranged on the lower lathe bed (12), the upper end of the guide column (4) is connected with the upper lathe bed (11), the first servo motor (6) is arranged on the lower lathe bed (12), and the second servo motor (32) is arranged on the upper lathe bed (11).
8. The double-guide-column double-servo vertical internal broaching machine according to claim 1, characterized in that: the rear side of the base (100) is also provided with a cooling chip removal device (7) for filtering metal chips in the cooling liquid.
9. The double-guide-column double-servo vertical internal broaching machine according to claim 1, characterized in that: the front part of the base (100) is also provided with a protective cover (8) used for covering the periphery of the bed body (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920502795.4U CN210059978U (en) | 2019-04-13 | 2019-04-13 | Double-guide-column double-servo vertical internal broaching machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920502795.4U CN210059978U (en) | 2019-04-13 | 2019-04-13 | Double-guide-column double-servo vertical internal broaching machine |
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| CN210059978U true CN210059978U (en) | 2020-02-14 |
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| CN201920502795.4U Active CN210059978U (en) | 2019-04-13 | 2019-04-13 | Double-guide-column double-servo vertical internal broaching machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496315A (en) * | 2020-04-27 | 2020-08-07 | 海盐嘉诚机械有限公司 | High-precision broaching machine for machining jack pump body |
| CN111889795A (en) * | 2020-08-24 | 2020-11-06 | 南通新冯精密机械有限公司 | Double-drive double-station servo broaching machine |
| CN112170946A (en) * | 2020-09-04 | 2021-01-05 | 湖南南方机床有限公司 | Broaching machine tool lifting and feeding device |
| CN112170945A (en) * | 2020-09-04 | 2021-01-05 | 湖南南方机床有限公司 | Double-drive double-guide-rod pull-up type internal broaching machine |
-
2019
- 2019-04-13 CN CN201920502795.4U patent/CN210059978U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496315A (en) * | 2020-04-27 | 2020-08-07 | 海盐嘉诚机械有限公司 | High-precision broaching machine for machining jack pump body |
| CN111496315B (en) * | 2020-04-27 | 2022-11-15 | 海盐嘉诚机械有限公司 | High-precision broaching machine for machining jack pump body |
| CN111889795A (en) * | 2020-08-24 | 2020-11-06 | 南通新冯精密机械有限公司 | Double-drive double-station servo broaching machine |
| CN112170946A (en) * | 2020-09-04 | 2021-01-05 | 湖南南方机床有限公司 | Broaching machine tool lifting and feeding device |
| CN112170945A (en) * | 2020-09-04 | 2021-01-05 | 湖南南方机床有限公司 | Double-drive double-guide-rod pull-up type internal broaching machine |
| CN112170945B (en) * | 2020-09-04 | 2021-12-31 | 湖南南方机床有限公司 | Double-drive double-guide-rod pull-up type internal broaching machine |
| CN112170946B (en) * | 2020-09-04 | 2021-12-31 | 湖南南方机床有限公司 | Broaching machine tool lifting and feeding device |
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