CN212329840U

CN212329840U - Vertical pull-up type broaching machine frame

Info

Publication number: CN212329840U
Application number: CN202020644948.1U
Authority: CN
Inventors: 尤春银
Original assignee: Taizhou Chengchun Automation Equipment Co ltd
Current assignee: Taizhou Chengchun Automation Equipment Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-01-12
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses a vertical pull-up type broaching machine bedstead relates to machining technical field, and its technical scheme main points are: the tool comprises a bed seat and a bed body upright post, wherein the bed body upright post is vertically arranged on the bed seat, a tool is fixed on the bed body upright post, the tool is arranged along the vertical direction, a workbench is connected to the bed body upright post, and a processing position for placing a tool clamp is arranged on the workbench; the vertical pull-up type broaching machine frame also comprises a driving device which can enable the workbench to move along the vertical direction, the vertical pull-up type broaching machine frame can enable the workpiece not to receive acting forces in other directions in the machining process, the acting forces received in the machining process are stable, the stability of workpiece machining is improved, and the machining precision of the workpiece is also improved.

Description

Vertical pull-up type broaching machine frame

Technical Field

The utility model relates to the technical field of machining, in particular to vertical pull-up type broaching machine bedstead.

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 which is difficult to solve for a long time in a broaching machine product is always solved. In addition, because the tool bit that is used for processing on the broaching machine often the size is huge with treating the processing part, if receive in the course of working and lead to the work piece centre gripping unstable inadequately that the outer influence leads to, will influence the machining precision of work piece, the condition that the workpiece machining precision is not enough, can appear unable up to standard.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a vertical pull-up type broaching machine bedstead, it has the stable advantage of course of working atress.

The above technical purpose of the present invention can be achieved by the following technical solutions: a bed frame of a vertical pull-up broaching machine comprises a bed base and a bed body upright post, wherein the bed body upright post is vertically arranged on the bed base, a cutter is fixed on the bed body upright post and is arranged along the vertical direction, a workbench is connected to the bed body upright post, and a processing position for placing a tool clamp is arranged on the workbench;

the bed frame of the vertical pull-up type broaching machine also comprises a driving device which can enable the workbench to move along the vertical direction.

Through the technical scheme, the cutter keeps motionless, and drive arrangement drives the workstation and moves along vertical direction, and at this moment, the cutter is processed the work piece of centre gripping on frock clamp, and the work piece of centre gripping on frock clamp can only bear the effort that comes from vertical direction cutter and the gravity of self and the holding power that workstation and frock clamp gave in addition this moment, and the effort that the work piece received in the course of working is stable, can improve the stability of work piece processing, and has improved the machining precision of work piece.

Preferably, the bed base is provided with a buffer device capable of applying a vertical upward supporting force to the workbench.

Through above-mentioned technical scheme, can exert vertical upwards holding power for the workstation when the workstation falls, under the effect of holding power, make the workstation can not produce too big gravity impact to the bed seat when falling, prevent the broaching machine damage.

Preferably, the buffering device comprises a first cylinder and a second cylinder, the first cylinder and the second cylinder are respectively arranged on two sides of the bed body column, the upper end surface of the workbench is provided with a first supporting frame and a second supporting frame, and the output end of the first cylinder and the output end of the second cylinder can respectively abut against the lower end surface of the first supporting frame and the lower end surface of the second supporting frame.

Through the technical scheme, when the workbench falls down, the first air cylinder and the second air cylinder can respectively apply upward supporting force to the first supporting frame and the second supporting frame, so that the impact force generated when the supporting table falls down is greatly eliminated, meanwhile, the supporting force is provided on two sides, the workbench can be kept balanced, and the workbench cannot be inclined due to uneven stress.

Preferably, the driving device comprises a motor, the output end of the motor is connected with a screw rod, a rolling nut is arranged on the workbench, and the screw rod penetrates through the rolling nut and is in rolling connection with the rolling nut.

Through the technical scheme, the output end of the motor rotates to drive the screw rod to rotate, and the screw rod and the rolling nut are matched to drive the workbench to move along the vertical direction.

Preferably, the number of the cutters is at least two, and the number of the processing stations is at least two.

Through above-mentioned technical scheme, a plurality of processing positions are processed simultaneously, have improved holistic machining efficiency.

Preferably, a plurality of slide rails are arranged on the bed body column, the slide rails are arranged along the vertical direction, a plurality of slide blocks are connected to the slide rails in a sliding manner, and the slide blocks are fixedly connected with the workbench.

Through above-mentioned technical scheme, the slide rail can provide glossy motion surface for the workstation, provides the motion direction for the workstation simultaneously, makes the workstation carry out the motion of vertical direction along the slide rail, on passing the produced power of processing to the lathe bed stand simultaneously, reduces the impact to the influence of work piece, improves the life of broaching machine bedstead, improves the machining precision.

Preferably, the upper surface of the bed base is provided with a groove, the upper surface of the bed base is provided with a first inclined plane and a second inclined plane from both sides inwards from high to low, and the first inclined plane and the second inclined plane both extend to the groove.

Through above-mentioned technical scheme, the piece of processing drops to the upper surface of bed, and the clearance is implemented to the piece to modes such as operator's accessible washing, and first inclined plane and second inclined plane can provide the motion direction for piece or rivers this moment, make the piece get into the recess in, are favorable to the washing of broaching machine very much.

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:

1. the workpiece can not be subjected to acting forces in other directions in the machining process, and the acting force applied in the machining process is stable, so that the stability of workpiece machining is improved, and the machining precision of the workpiece is also improved;

2. the impact force on the bed frame can be effectively relieved through the buffer device, and the service life of the bed frame is prolonged;

3. through the cooperation of first inclined plane, second inclined plane, recess, it is very convenient to the clearance of processing piece on the bedstead.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a front view of the embodiment;

fig. 3 is a schematic view of the cutter structure of the embodiment.

Reference numerals: 1. a bed base; 2. a bed body column; 3. a cutter; 4. a work table; 5. processing stations; 6. a drive device; 7. a buffer device; 8. a first cylinder; 9. a second cylinder; 10. a first support frame; 11. a second support frame; 12. a motor; 13. a screw rod; 14. rolling the nut; 15. a slide rail; 16. a slider; 17. a groove; 18. a first inclined plane; 19. a second inclined plane; 20. a first bearing seat; 21. and a second bearing seat.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The present invention will be described in further detail with reference to the accompanying drawings.

A vertical pull-up broaching machine frame is shown in figures 1 to 2 and comprises a bed base 1 and a bed body upright post 2, wherein the bed body upright post 2 is vertically arranged on the bed base 1, cutters 3 are fixed on the bed body upright post 2, preferably, the number of the cutters 3 is two, the cutters 3 are arranged along the vertical direction, the bed body upright post 2 is connected with a workbench 4, machining positions 5 for placing tool fixtures are arranged on the workbench 4, preferably, the number of the machining positions 5 is two, and the number of the cutters 3 corresponds to the number of the machining positions 5; the bed frame of the vertical pull-up type broaching machine further comprises a driving device 6 which can enable the workbench 4 to move along the vertical direction.

Preferably, the driving device 6 comprises a motor 12, the output end of the motor 12 is connected with a screw rod 13, a rolling nut 14 is arranged on the workbench 4, the screw rod 13 penetrates through the rolling nut 14 and is in rolling connection with the rolling nut 14, a first bearing seat 20 and a second bearing seat 21 are fixed on the bed body upright column 2, two ends of the screw rod 13 are respectively penetrated in the first bearing seat 20 and the second bearing seat 21, and the first bearing seat 20 and the second bearing seat 21 can effectively improve the stability of the screw rod 13 and the workbench 4 during movement; an electric lifting platform can be arranged below the tool clamp, and the tool clamp can be driven to move in the vertical direction through the lifting of the electric lifting platform.

The bed base 1 is provided with a buffer device 7 capable of applying a vertical upward supporting force to the workbench 4, preferably, the buffer device 7 comprises a first cylinder 8 and a second cylinder 9, the first cylinder 8 and the second cylinder 9 are respectively arranged on two sides of the bed body upright post 2, the upper end surface of the workbench 4 is provided with a first support frame 10 and a second support frame 11, and the output end of the first cylinder 8 and the output end of the second cylinder 9 can respectively abut against the lower end surface of the first support frame 10 and the lower end surface of the second support frame 11; the buffer device 7 may be formed by providing a buffer layer on the lower surface of the table 4, the buffer layer may be formed of an elastic material such as rubber, and a plurality of gas springs may be provided below the buffer layer to attenuate or eliminate the impact of the table 4 on the bed 1 by the gas springs and the buffer layer.

Four slide rails 15 are arranged on the bed body upright column 2, the slide rails 15 are arranged along the vertical direction, three slide blocks 16 are connected on the slide rails 15 in a sliding manner, and the slide blocks 16 are fixedly connected with the workbench 4.

The upper surface of the bed base 1 is provided with a groove 17, the upper surface of the bed base 1 is provided with a first inclined surface 18 and a second inclined surface 19 from both sides inwards from high to low, and the first inclined surface 18 and the second inclined surface 19 both extend to the groove 17.

A working mode of a vertical pull-up broaching machine frame comprises the following steps:

the output end of the motor 12 rotates to drive the screw rod 13 to rotate, the rolling nut 14 is converted into linear motion along with the rotation angle of the screw rod 13 to drive the workbench 4 to move along the vertical direction, a workpiece on the tool fixture is driven to be in contact with the cutter 3 on the lathe bed upright post 2, and the cutting processing of the cutter 3 on the workpiece is realized; when the workbench 4 descends, the output end of the first cylinder 8 and the output end of the second cylinder 9 respectively apply a vertical upward acting force to the lower end face of the first support frame 10 and the lower end face of the second support frame 11, and finally apply a vertical upward supporting force to the workbench 4 through the transmission of the first support frame 10 and the second support frame 11.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. The utility model provides a vertical pull-up type broaching machine bedstead, includes bedstand (1) and lathe bed stand (2), characterized by: the lathe bed vertical column (2) is vertically arranged on the lathe bed (1), a cutter (3) is fixed on the lathe bed vertical column (2), the cutter (3) is arranged in the vertical direction, the lathe bed vertical column (2) is connected with a workbench (4), and a machining position (5) for placing a tool fixture is arranged on the workbench (4);

the vertical pull-up type broaching machine frame also comprises a driving device (6) which can enable the workbench (4) to move along the vertical direction.

2. The vertical pull-up type broaching machine frame as claimed in claim 1, which is characterized in that: the bed seat (1) is provided with a buffer device (7) which can apply vertical upward supporting force to the workbench (4).

3. The vertical pull-up type broaching machine frame as claimed in claim 2, wherein: the buffer device (7) comprises a first cylinder (8) and a second cylinder (9), the first cylinder (8) and the second cylinder (9) are respectively arranged on two sides of the lathe bed vertical column (2), a first supporting frame (10) and a second supporting frame (11) are arranged on the upper end face of the workbench (4), and the output end of the first cylinder (8) and the output end of the second cylinder (9) can respectively abut against the lower end face of the first supporting frame (10) and the lower end face of the second supporting frame (11).

4. The vertical pull-up type broaching machine frame as claimed in claim 1, which is characterized in that: the driving device (6) comprises a motor (12), the output end of the motor (12) is connected with a screw rod (13), a rolling nut (14) is arranged on the workbench (4), and the screw rod (13) penetrates through the rolling nut (14) and is in rolling connection with the rolling nut (14).

5. The vertical pull-up type broaching machine frame as claimed in claim 1, which is characterized in that: the number of the cutters (3) is at least two, and the number of the processing stations (5) is at least two.

6. The vertical pull-up type broaching machine frame as claimed in claim 1, which is characterized in that: the lathe bed is characterized in that a plurality of sliding rails (15) are arranged on the lathe bed upright column (2), the sliding rails (15) are arranged along the vertical direction, a plurality of sliding blocks (16) are connected to the sliding rails (15) in a sliding mode, and the sliding blocks (16) are fixedly connected with the workbench (4).

7. The vertical pull-up type broaching machine frame as claimed in claim 1, which is characterized in that: the upper surface of the bed base (1) is provided with a groove (17), the upper surface of the bed base (1) is provided with a first inclined plane (18) and a second inclined plane (19) from two sides inwards from high to low, and the first inclined plane (18) and the second inclined plane (19) extend to the groove (17).