CN213379327U

CN213379327U - Spline housing drilling fixing device with telescopic self-centering structure

Info

Publication number: CN213379327U
Application number: CN202022366728.XU
Authority: CN
Inventors: 王文强
Original assignee: Nanjing Faqiang Machinery Manufacturing Co ltd
Current assignee: Nanjing Faqiang Machinery Manufacturing Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-06-08
Anticipated expiration: 2030-10-21

Abstract

The utility model discloses a drilling of spline housing is with fixing device with scalable self-centering structure relates to the drilling and is with fixing device field, the utility model discloses a chuck is installed at workstation, the top of workstation. The utility model discloses a be provided with the fixed plate, the screw rod, the bearing, thread bush and connecting rod, when pressing from both sides tight drilling to the spline cover, user's accessible rotates the screw rod, make the screw rod drive the bearing when rotating and rotate, and then make the thread bush remove, it makes the connecting rod promote the jack catch to remove to drive the connecting rod after the thread bush removes, through being carved with the scale at the top of connecting rod, the distance that makes when adjusting the position of jack catch removes is unanimous, even the central line that gets anchor clamps keeps unchangeable, make the spline bush do not produce the change by the central line after pressing from both sides tightly, thereby press from both sides tight back drill bit and need not adjust the position alright drill to the spline bush of different diameters again to the spline bush, and then promoted the drilling machining efficiency.

Description

Spline housing drilling fixing device with telescopic self-centering structure

Technical Field

The utility model relates to a drilling is with fixing device field, specifically is a fixing device is used in drilling of spline housing with scalable self-centering structure.

Background

In the machining field, can meet usually and drill on axle type or cylinder one side, in the actual production life, when drilling to the object of general required processing, need fix the object earlier, drill again, so need increase positioner, positioner cooperation is at the object that needs drill, drills according to the nib on the positioner, the precision of improvement drilling that the operation can be better like this.

According to the conventional fixing device for drilling, after a part is clamped and processed, chips are generated when the part is drilled by rotating a drill bit, and the part of the chips splash everywhere under the rotation of the drill bit, so that a user is difficult to collect and clean the splashed chips, the cleaning difficulty of the user on a working site is increased, and meanwhile, the chips can splash onto the user, so that the user is injured to a certain extent, and a large potential safety hazard exists; meanwhile, the existing fixing device for drilling is used for clamping and fixing the parts by adjusting the distance between the clamps, so that the center line of the parts is moved in the process of moving the clamps, the position of the drill bit needs to be adjusted, the tool setting time of drilling is prolonged, and the drilling efficiency of the parts is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the chips generated when drilling the parts are easy to cause injury to users and the center line of the parts is moved when adjusting the clamp, so that the drilling efficiency is reduced, the fixing device for drilling the spline sleeve is provided with the telescopic self-centering structure.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fixing device for drilling of spline housing with scalable self-centering structure, includes the workstation, the chuck is installed at the top of workstation, first spout has been seted up at the top of chuck, the internally mounted of first spout has the jack catch, the fixed plate is installed at the top of workstation, the bearing is installed to one side of fixed plate, the inside of bearing is fixed with the screw rod, the thread bush has been cup jointed to the surface of screw rod, one side of thread bush is connected with the connecting rod that extends to jack catch one side, the second spout has been seted up to one side of jack catch, the internally mounted of second spout has first protection casing, the internally mounted of first protection casing has the second protection casing, the fixture block is installed to one side of first protection casing, one side of second protection casing is seted up flutedly.

Preferably, the first protection cover is connected with the clamping jaw in a sliding mode through a second sliding groove, and the second protection cover is connected with the first protection cover in a sliding mode.

Preferably, the jack catch is provided with four, four the jack catch is the top that the annular array form distributes in the chuck, just the jack catch is the arc.

Preferably, the fixture block is matched with the groove.

Preferably, the threaded sleeve is located on one side of the fixing plate, one end of the connecting rod penetrates through the fixing plate, and scales are marked on the top of the connecting rod.

Preferably, the screw rod is in threaded connection with the threaded sleeve, and one end of the screw rod is connected with the knob.

Preferably, the radius of the first protection cover is smaller than that of the clamping jaw, and the first protection cover and the second protection cover are made of rubber materials.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model is provided with a second chute, a first protective cover, a second protective cover, a clamping block and a groove, after the first protective cover is arranged in the clamping jaws by sliding in the second sliding groove, the distance between the clamping jaws is adjusted to clamp and fasten the spline sleeve, the user may extend the second shield from the first shield by pulling the second shield from within the first shield, causing the second shield to extend from the first shield, further increasing the wrapping coverage area of the spline sleeve, then fixing the first protective cover and the second protective cover after clamping the clamping block at one side of the first protective cover into the groove at one side of the second protective cover, so that the spline sleeve is protected when being drilled, therefore, the splash of the scraps generated in the drilling process is effectively avoided, and the scraps are collected into the protective cover, so that the time for cleaning the scraps by a user is saved;

2. the utility model discloses a be provided with the fixed plate, the screw rod, the bearing, thread bush and connecting rod, when pressing from both sides tight drilling to the spline cover, user's accessible rotates the screw rod, make the screw rod drive the bearing when rotating and rotate, and then make the thread bush remove, it makes the connecting rod promote the jack catch to remove to drive the connecting rod after the thread bush removes, through being carved with the scale at the top of connecting rod, the distance that makes when adjusting the position of jack catch removes is unanimous, even the central line that gets anchor clamps keeps unchangeable, make the spline bush do not produce the change by the central line after pressing from both sides tightly, thereby press from both sides tight back drill bit and need not adjust the position alright drill to the spline bush of different diameters again to the spline bush, and then promoted the drilling machining efficiency.

Drawings

FIG. 1 is a schematic view of a front cross-section structure of the present invention;

FIG. 2 is a schematic view of the top-down structure of the present invention;

fig. 3 is a schematic view of the connection structure of the first protective cover of the present invention;

fig. 4 is an enlarged structural diagram a of the present invention.

In the figure: 1. a work table; 2. a chuck; 3. a first chute; 4. a claw; 5. a fixing plate; 6. a threaded sleeve; 7. a screw; 8. a bearing; 9. a second chute; 10. a first shield; 11. a second shield; 12. a connecting rod; 13. a clamping block; 14. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-4, a fixing device for drilling a spline housing with a telescopic self-centering structure comprises a worktable 1, a chuck 2, a first sliding groove 3, a jaw 4, a fixing plate 5, a threaded sleeve 6, a screw 7, a bearing 8, a second sliding groove 9, a first protective cover 10, a second protective cover 11, a connecting rod 12, a clamping block 13 and a groove 14; chuck 2 is installed at the top of workstation 1, first spout 3 has been seted up at the top of chuck 2, the internally mounted of first spout 3 has jack catch 4, fixed plate 5 is installed at the top of workstation 1, bearing 8 is installed to one side of fixed plate 5, bearing 8's inside is fixed with screw rod 7, thread bush 6 has been cup jointed to the surface of screw rod 7, one side of thread bush 6 is connected with the connecting rod 12 that extends to 4 one side of jack catch, second spout 9 has been seted up to one side of jack catch 4, the internally mounted of second spout 9 has first protection casing 10, the internally mounted of first protection casing 10 has second protection casing 11, fixture block 13 is installed to one side of first protection casing 10, one side of second protection casing 11 is seted up flutedly 14.

Please refer to fig. 1-3, the first shield 10 is slidably connected to the jaws 4 through the second sliding slot 9, and the second shield 11 is slidably connected to the first shield 10, so that the first shield 10 slides in the second sliding slot 9 to be loaded into the jaws 4, and the second shield 11 slides in the first shield 10 to be pulled out or stored; jack catch 4 is provided with four, and four jack catches 4 are the annular array form and distribute in the top of chuck 2, and jack catch 4 is the arc, can press from both sides tight fastening to the spline housing through four jack catches 4.

Referring to fig. 1 to 4, the latch 13 is adapted to the groove 14, so that after the second shield 11 is moved, the latch on one side of the first shield 10 is latched into the groove 14 on one side of the second shield 11, thereby fixing the first shield 10 and the second shield 11; threaded sleeve 6 is located one side of fixed plate 5, and the one end of connecting rod 12 runs through fixed plate 5, and the top of connecting rod 12 is carved with the scale, thereby makes threaded sleeve 6 move on screw rod 7 through rotating screw rod 7 and drive connecting rod 12 and remove, and the scale at connecting rod 12 top can make four jack catchs 4 remove the same distance.

Please refer to fig. 1-2, the screw rod 7 is connected with the thread bushing 6 in a threaded manner, and one end of the screw rod 7 is connected with a knob, so that the screw rod 7 is rotated by the knob to drive the thread bushing 6 to move; the radius of first protection casing 10 is less than the radius of jack catch 4, and first protection casing 10 and second protection casing 11 all adopt the rubber material preparation to form for first protection casing 10 will also remove when jack catch 4 removes, and the rubber material can carry out effectual protection to the piece.

The working principle is as follows: firstly, a user can rotate the screw 7 to drive the bearing 8 to rotate when the screw 7 rotates, so that the threaded sleeve 6 moves, the threaded sleeve 6 drives the connecting rod 12 to move after moving to drive the connecting rod 12 to push the jaws 4 to move, scales are engraved on the top of the connecting rod 12, so that the moving distance when the positions of the jaws 4 are adjusted is consistent, namely the central line of the clamp is kept unchanged, the spline sleeve can be placed between the four jaws 4 to be clamped and fixed, then, before the spline sleeve is processed, the first protective cover 10 is arranged on one side of the jaws 4 after sliding to one side in the second sliding groove 9 to be limited, then, the second protective cover 11 can be extended from the first protective cover 10 by pulling the second protective cover 11 from the first protective cover 10, so that the wrapping coverage area of the spline sleeve is increased, and then the first protective cover 10 and the second protective cover 11 are fixed after the clamping blocks 13 on one side of the first protective cover 10 are clamped into the grooves 14 on one side of the second protective cover 11, so that the spline sleeve is protected during drilling.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a fixing device for drilling of spline housing with scalable self-centering structure, includes workstation (1), its characterized in that: the clamping device is characterized in that a chuck (2) is installed at the top of the workbench (1), a first sliding groove (3) is formed in the top of the chuck (2), a clamping jaw (4) is installed inside the first sliding groove (3), a fixing plate (5) is installed at the top of the workbench (1), a bearing (8) is installed on one side of the fixing plate (5), a screw rod (7) is fixed inside the bearing (8), a threaded sleeve (6) is sleeved on the outer surface of the screw rod (7), a connecting rod (12) extending to one side of the clamping jaw (4) is connected to one side of the threaded sleeve (6), a second sliding groove (9) is formed in one side of the clamping jaw (4), a first protective cover (10) is installed inside the second sliding groove (9), a second protective cover (11) is installed inside the first protective cover (10), a clamping block (13) is installed on one side of the first protective cover (10), one side of the second protective cover (11) is provided with a groove (14).

2. The fixing device for drilling the spline housing with the retractable self-centering structure according to claim 1, wherein: first protection casing (10) are through second spout (9) and jack catch (4) sliding connection, just second protection casing (11) and first protection casing (10) sliding connection.

3. The fixing device for drilling the spline housing with the retractable self-centering structure according to claim 1, wherein: jack catch (4) are provided with four, four jack catch (4) are the annular array form and distribute in the top of chuck (2), just jack catch (4) are the arc.

4. The fixing device for drilling the spline housing with the retractable self-centering structure according to claim 1, wherein: the clamping block (13) is matched with the groove (14).

5. The fixing device for drilling the spline housing with the retractable self-centering structure according to claim 1, wherein: the threaded sleeve (6) is located on one side of the fixing plate (5), one end of the connecting rod (12) penetrates through the fixing plate (5), and scales are engraved on the top of the connecting rod (12).

6. The fixing device for drilling the spline housing with the retractable self-centering structure according to claim 1, wherein: the screw rod (7) is in threaded connection with the threaded sleeve (6), and one end of the screw rod (7) is connected with a knob.

7. The fixing device for drilling the spline housing with the retractable self-centering structure according to claim 1, wherein: the radius of first protection casing (10) is less than the radius of jack catch (4), just first protection casing (10) and second protection casing (11) all adopt rubber material to make and form.