CN214559341U

CN214559341U - Feeding device for vertical broaching machine

Info

Publication number: CN214559341U
Application number: CN202022482062.4U
Authority: CN
Inventors: 林绿高
Original assignee: Zhejiang Chr Intelligent Equipment Co ltd
Current assignee: Zhejiang Chr Intelligent Equipment Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-11-02
Anticipated expiration: 2030-10-30

Abstract

The utility model relates to a vertical material feeding unit for broaching machine, include: the workbench is provided with a broaching station and a feeding and discharging station far away from the lathe bed; the sliding table is arranged on the workbench in a sliding manner; the power output end of the first driving device is connected with the sliding table so as to drive the sliding table to move back and forth between the broaching station and the feeding and discharging station of the workbench; the positioning sleeve is arranged on a broaching station of the workbench and used for placing a workpiece; the workpiece lifting mechanism comprises a second driving device and a lifting frame capable of moving up and down relative to the sliding table, and a power output end of the second driving device is connected with the lifting frame, so that a workpiece placed on the lifting frame is transferred to the positioning sleeve in a state that the sliding table moves to the broaching station of the workbench. Because the locating sleeve is arranged on the workbench and does not move along with the sliding table, the problem of difficult location does not exist, when the workpiece is loaded, the workpiece is only required to be transferred to the locating sleeve and placed in place, the accurate location of the workpiece can be realized, and the broaching precision of the workpiece is ensured.

Description

Feeding device for vertical broaching machine

Technical Field

The utility model relates to a broaching machine equipment technical field especially relates to a vertical material feeding unit for broaching machine.

Background

The currently used vertical internal broaching machine generally comprises a base, a machine body on the base, a slide carriage and a hydraulic driving mechanism, wherein the slide carriage of the hydraulic driving mechanism moves up and down, and then a broaching tool on the slide carriage is used for broaching a workpiece on a workbench. In order to place a workpiece to be broached on a broaching station of a workbench and take down the workpiece after broaching from the broaching station of the workbench, the workbench is generally set to be of a pushing sliding table structure, the workpiece can be placed on the pushing sliding table and driven by the pushing sliding table to move back and forth between the broaching station and a feeding and discharging station positioned outside a lathe bed. For example, the structure of the push sliding table is disclosed in "a vertical broaching machine for slide grooves of air compressor" with application number CN201920501754.3 (with grant publication number CN 209681305U).

However, the push sliding table structure of the existing vertical broaching machine still has certain defects, the workpiece positioning mechanism is arranged on the push sliding table, when broaching machining is carried out, the workpiece is directly placed on the workpiece positioning mechanism of the push sliding table and then is moved to a broaching station along with the push sliding table, in order to ensure broaching precision, the workpiece positioning mechanism (workpiece) on the push sliding table needs to be moved to a set position, but the workpiece positioning mechanism on the push sliding table in the prior art usually has the problem of inaccurate repeated positioning in the moving process, and the broaching quality of the workpiece is influenced.

Therefore, the conventional feeding device for the vertical broaching machine needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art's current situation, provide one kind and make things convenient for the work piece to carry out the accurate positioning to effectively improve the vertical material feeding unit for the broaching machine of broaching precision.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a feeding device for a vertical broaching machine, comprising:

the workbench is provided with a broaching station close to the lathe bed and a feeding and discharging station far away from the lathe bed;

the sliding table is arranged on the workbench in a sliding manner;

the power output end of the first driving device is connected with the sliding table so as to drive the sliding table to move back and forth between the broaching station and the feeding and discharging station of the workbench;

the positioning sleeve is arranged on the broaching station of the workbench and used for placing a workpiece;

work piece lifting mechanism locates the slip table on, including second drive arrangement and can be relative the crane that the slip table reciprocated, second drive arrangement's power take off end with the crane is connected, thereby the slip table removes extremely under the state of the broaching station of workstation, will place work piece on the crane shifts to the position sleeve on.

In order to ensure that the workpiece can be accurately transferred to the positioning sleeve of the workbench through the lifting frame, the lifting frame is provided with a positioning ring component for placing the workpiece.

In order to adapt to workpieces with different specifications or sizes, the positioning ring assembly comprises a positioning ring and a positioning bushing detachably connected to the inner peripheral edge of the positioning ring. When the workpiece is remodeled, only the corresponding positioning bushing needs to be replaced.

In order to avoid the problem that the crane causes interference to the up-and-down moving process of the broach when the crane moves to the upper part of the positioning sleeve, the crane of the workpiece lifting mechanism comprises two symmetrically arranged supports, and the two supports are provided with placing parts for placing the positioning ring assembly thereon.

As an improvement, the two second driving devices are respectively connected with the two brackets. It can be thought that the two second driving devices drive the two supports to move up and down in a synchronous driving mode so as to ensure the stability of the lifting action of the workpiece.

In order to further guarantee the stability of work piece lift process, still including locating guiding mechanism on the slip table, guiding mechanism includes uide bushing and guide post, the locating ring subassembly with the guide post is connected, the vertical setting of uide bushing is in the slip table on, the vertical activity ground of guide post is worn to establish the uide bushing in.

As an improvement, the positioning ring assembly is connected with the guide post through a connecting plate.

In order to avoid the problem that a workpiece placed on the positioning ring assembly inclines in the up-and-down moving process, the number of the guide columns is two, the guide columns are arranged on the extending plane of the sliding table side by side along the direction perpendicular to the moving direction of the sliding table, and the number of the guide sleeves is also two correspondingly.

In order to realize the sliding of the sliding table relative to the workbench, the workbench is provided with a guide rail, and the sliding table is connected to the guide rail in a sliding manner.

As an improvement, the first driving device is a motor or an air cylinder, and the second driving device is a motor or an air cylinder. In order to ensure stability and efficiency of the driving process, the first driving device is preferably a servo motor, and the second driving device is preferably a cylinder.

Compared with the prior art, the utility model has the advantages that: the feeding device for the vertical broaching machine is characterized in that the positioning sleeve is arranged on a broaching station of the workbench, and a workpiece is transferred to the positioning sleeve through the workpiece lifting mechanism on the sliding table, wherein during feeding, the workpiece can be placed on a lifting frame of the workpiece lifting mechanism, the sliding table can drive the lifting frame and the workpiece placed on the lifting frame to move to the broaching station of the workbench under the action of the first driving device, and then the workpiece is transferred to the positioning sleeve of the workbench through the lifting action of the lifting frame. Because the locating sleeve is arranged on the workbench and does not move along with the sliding table, the problem of inaccurate repeated locating in the prior art does not exist, when the workpiece is loaded, the workpiece can be accurately located only by transferring the workpiece onto the locating sleeve and placing the workpiece in place, and the broaching precision of the workpiece is ensured.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention (showing a workpiece);

fig. 2 is a schematic perspective view of the embodiment of the present invention (in a state where no workpiece is placed);

FIG. 3 is a vertical cross-sectional view of FIG. 1;

figure 4 is a cross-sectional view of a retainer ring assembly (with a workpiece positioned) according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a positioning ring assembly according to an embodiment of the present invention;

fig. 6 is an exploded view of fig. 5.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Referring to fig. 1 to 6, a feeding device for a vertical broaching machine includes a table 10, a slide table 20, a first driving device 21, a positioning ring assembly 40, a guide mechanism 50, and a workpiece lifting mechanism 30.

Referring to fig. 1, the table 10 is a platform, and can be disposed on the bed of the bench or on the carriage 60 of the bench. In this embodiment, the table 10 is provided on a carriage 60. The workbench 10 is provided with a broaching station 101 close to the lathe bed and a loading and unloading station 102 far away from the lathe bed, wherein the broaching station 101 corresponds to the broaching tool in the vertical direction, the broaching station 101 is provided with a positioning sleeve 11, and the workpiece 61 can be sleeved outside the positioning sleeve 11 to realize positioning. The inner hole of the positioning sleeve 11 is used for the broach to pass through, and the function of guiding can be achieved. The loading and unloading station 102 is used for loading the workpiece 61 to be machined at the position and unloading the machined workpiece 61 at the position.

Referring to fig. 1 and 2, the slide table 20 is slidably disposed on the table 10. Wherein, still be equipped with a pair of guide rail 12 on the workstation 10, slip table 20 sets up on this guide rail 12 to can be between the broaching station 101 of workstation 10 and unloading station 102 reciprocating.

Referring to fig. 2, the movement of the slide table 20 is driven by a first driving device 21. Specifically, the first driving device 21 of the present embodiment is preferably a servo motor, and the servo motor is fixed on the table 10. The power output end of the servo motor is connected with the sliding table 20, so that the sliding table 20 is driven to move back and forth between the broaching station 101 and the loading and unloading station 102 of the workbench 10.

Referring to fig. 2, the workpiece lifting mechanism 30 is disposed on the sliding table 20, and specifically includes a second driving device 31 and a lifting frame 32 capable of moving up and down relative to the sliding table 20. The power output end of the second driving means 31 is connected to the elevation frame 32 so as to transfer the work 61 placed on the elevation frame 32 to the index sleeve 11 in a state where the slide table 20 is moved to the broaching station 101 of the work table 10.

Referring to fig. 2 and 3, the positioning ring assembly 40 is provided on the crane 32 for placing the workpiece 61. Specifically, the positioning ring assembly 40 includes a positioning ring 41 and a positioning bushing 42 removably attached to an inner peripheral edge of the positioning ring 41, wherein the positioning bushing 42 is sized to match a corresponding size of the workpiece 61. The positioning bush 42 is fitted with the positioning ring 41 by means of a locking screw 43. When the workpiece 61 is replaced, only the corresponding positioning bushing 42 needs to be replaced, which is very convenient and fast.

Referring to fig. 4, the impeller workpiece 61 is exemplified in the present embodiment, the bottom plate of the impeller has an annular wall 610 protruding from the surface thereof, the annular wall 610 and the bottom plate 613 have a step, and the inside of the annular wall 610 also has a connecting column 611 coaxially arranged. The positioning bush 42 can be positioned outside the annular wall of the impeller workpiece 61, and is vertically restricted by the upper end surface of the positioning bush 42 and the step of the impeller workpiece 61. In addition, the connecting column of the impeller is provided with an axial hole 612, and when the impeller workpiece 61 is placed on the positioning sleeve 11 of the workbench 10, the positioning can be realized by sleeving the axial hole 612 of the connecting column on the positioning sleeve 11.

Referring to fig. 2, the crane 32 of the work lifting mechanism 30 includes two supports 321 symmetrically disposed, and each of the two supports 321 has a rest 322 thereon for placing the positioning ring assembly 40 thereon. The second driving device 31 of this embodiment has two, which are respectively connected to the two brackets 321. Specifically, the second driving device 31 of the present embodiment is preferably an air cylinder, the air cylinder is vertically disposed on the sliding table 20, and a power output shaft of the air cylinder can be ejected upward and reset. This embodiment support 321 is the support body of a vertical setting, and the upper end of support 321 has the first support arm of outside upset to be connected with the power take off axle of cylinder through this first support arm. The lower end of the bracket 321 has a second arm that is turned inward, and the second arm constitutes the resting portion 322.

In this embodiment, the two second driving devices 31 and the two supports 321 are adopted, so that the problem of interference to the up-and-down movement process of the broach when the lifting frame 32 moves to the position above the broaching station 101 of the workbench 10 can be avoided, and the spatial arrangement of the feeding device is more reasonable.

With continued reference to fig. 2, a guide mechanism 50 is provided on the slide table 20. The guide mechanism 50 includes a guide sleeve 51 and a guide post 52, and the guide post 52 is connected to the positioning ring assembly 40 through a connecting plate 53. Wherein, the guide sleeve 51 is vertically arranged on the sliding table 20, and the guide column 52 is vertically movably arranged in the guide sleeve 51 in a penetrating way. In order to avoid the problem of inclination of the workpiece 61 placed on the positioning ring assembly 40 during the up-and-down movement, the number of the guide posts 52 of the present embodiment is two, and the two guide posts 52 are arranged side by side on the extension plane of the slide table 20 in the direction perpendicular to the moving direction of the slide table 20, and the number of the guide sleeves 51 is also two.

The action process of the feeding device for the vertical broaching machine of the embodiment is as follows:

when feeding is carried out, a workpiece 61 to be machined is placed on the positioning ring assembly 40 of the lifting frame 32 of the sliding table 20 through a manual or mechanical arm, after the workpiece 61 is placed in place, the servo motor acts to drive the sliding table 20, the lifting frame 32 arranged on the sliding table and the workpiece 61 to move towards the broaching station 101 of the workbench 10, after the sliding table 20 moves to a set position (or in the process that the sliding table 20 moves towards the broaching tool), the air cylinder of the workpiece lifting mechanism 30 acts to drive the lifting frame 32 and the workpiece 61 placed on the lifting frame to move upwards until the bottom of the lifting frame 32 is higher than the positioning sleeve 11 of the broaching station 101 of the workbench 10, and after the workpiece 61 is just above the positioning sleeve 11, the air cylinder drives the lifting frame 32 and the workpiece 61 to move downwards until the workpiece 61 is sleeved on the positioning sleeve 11, so that the feeding process of the workpiece 61 is completed. After the feeding is finished, the broach moves downwards to penetrate through the positioning sleeve 11 on the workbench 10 to be fixed, then the subsequent broaching processing is carried out, after the broaching processing is finished, the broach moves upwards to be separated from the positioning sleeve 11 and the workpiece 61, the air cylinder of the workpiece lifting mechanism 30 acts to jack the lifting frame 32 and the workpiece 61 placed on the lifting frame to be separated from the positioning sleeve 11 on the workbench 10, then the sliding table 20 is driven by the servo motor to be far away from the broaching station 101 and reset to the feeding and discharging station 102, meanwhile, the air cylinder of the workpiece lifting mechanism 30 drives the lifting frame 32 and the workpiece 61 placed on the lifting frame to move downwards to the initial position, and finally the workpiece 61 after the processing is finished is taken away by manpower or a mechanical hand.

The feeding device for the vertical broaching machine of the embodiment is to arrange the positioning sleeve 11 on the broaching station 101 of the workbench 10 and transfer the workpiece 61 to the feeding sleeve 11 through the workpiece lifting mechanism 30 on the sliding table 20, wherein, during feeding, the workpiece 61 can be placed on the lifting frame 32 of the workpiece lifting mechanism 30, under the action of the first driving device 21, the sliding table 20 can drive the lifting frame 32 and the workpiece 61 placed thereon to move to the broaching station 101 of the workbench 10, and then transfer the workpiece 61 to the positioning sleeve 11 of the workbench 10 through the lifting action of the lifting frame 32. Because the locating sleeve 11 is arranged on the workbench 10 and does not move along with the sliding table 20, the problem of inaccurate repeated locating in the prior art does not exist, when feeding is carried out, the workpiece 61 can be accurately located only by transferring the workpiece 61 onto the locating sleeve 11 and placing the workpiece in place, and the broaching precision of the workpiece 61 is ensured.

Claims

1. A feeding device for a vertical broaching machine, comprising:

the workbench (10) is provided with a broaching station (101) close to the lathe bed and a loading and unloading station (102) far away from the lathe bed;

the sliding table (20) is arranged on the workbench (10) in a sliding manner;

the power output end of the first driving device (21) is connected with the sliding table (20) so as to drive the sliding table (20) to move back and forth between the broaching station (101) and the feeding and discharging station (102) of the workbench (10);

it is characterized by also comprising:

the positioning sleeve (11) is arranged on the broaching station (101) of the workbench (10) and used for placing a workpiece (61);

work piece (61) lifting mechanism (30), locate slip table (20) on, including second drive arrangement (31) and can be relative lift (32) that slip table (20) reciprocated, the power take off end of second drive arrangement (31) with lift (32) are connected, thereby slip table (20) remove extremely under the state of broaching station (101) of workstation (10), will place work piece (61) on lift (32) transfer to position sleeve (11) on.

2. The feeding device for a vertical broaching machine as recited in claim 1, wherein: the lifting frame (32) is provided with a positioning ring assembly (40) for placing a workpiece (61).

3. The feeding device for a vertical broaching machine as recited in claim 2, wherein: the locating ring assembly (40) comprises a locating ring (41) and a locating bush (42) detachably connected to the inner peripheral edge of the locating ring (41).

4. The feeding device for a vertical broaching machine as recited in claim 3, wherein: the lifting frame (32) of the workpiece (61) lifting mechanism (30) comprises two symmetrically arranged supports (321), and the two supports (321) are respectively provided with a placing part (322) for placing the positioning ring assembly (40).

5. The feeding device for a vertical broaching machine as recited in claim 4, wherein: the two second driving devices (31) are respectively connected with the two brackets (321).

6. The feeding device for a vertical broaching machine as recited in claim 3, wherein: still including locating guiding mechanism (50) on slip table (20), guiding mechanism (50) include uide bushing (51) and guide post (52), position ring subassembly (40) with guide post (52) are connected, uide bushing (51) vertical setting is in slip table (20) on, guide post (52) vertical activity wear to establish uide bushing (51) in.

7. The feeding device for a vertical broaching machine as recited in claim 6, wherein: the positioning ring assembly (40) is connected with the guide column (52) through a connecting plate (53).

8. The feeding device for a vertical broaching machine as recited in claim 7, wherein: the number of the guide columns (52) is two, the guide columns are arranged side by side on the extension plane of the sliding table (20) along the direction perpendicular to the moving direction of the sliding table (20), and the number of the guide sleeves (51) is also two correspondingly.

9. The feeding device for a vertical broaching machine as recited in claim 1, wherein: the workbench (10) is provided with a guide rail (12), and the sliding table (20) is connected to the guide rail (12) in a sliding manner.

10. The feeding device for a vertical broaching machine according to any one of claims 1 to 9, characterized in that: the first driving device (21) is a motor or an air cylinder, and the second driving device (31) is a motor or an air cylinder.