CN215824839U

CN215824839U - Bar processing auxiliary assembly for digit control machine tool

Info

Publication number: CN215824839U
Application number: CN202120628221.9U
Authority: CN
Inventors: 王国峰
Original assignee: Jiaxing Furui Precision Hardware Technology Co ltd
Current assignee: Jiaxing Furui Precision Hardware Technology Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2022-02-15
Anticipated expiration: 2031-03-29

Abstract

The utility model provides a bar processing auxiliary device for a numerical control machine tool, which comprises a plurality of supporting mechanisms supported at the free ends of bars, wherein each supporting mechanism comprises a supporting component for supporting the bars and a clamping component arranged on the supporting component and used for clamping the bars, each clamping component comprises two fixing plates which are parallel to each other and fixed on the supporting component, two clamping plates arranged between the two fixing plates and two driving pieces for respectively driving the two clamping plates to slide relative to the supporting components, and the sliding direction of the clamping plates is the connecting line direction of the two fixing plates. This application has the bar that can support when being processed, guarantees the stability of bar in the course of working relatively to guarantee relatively that the machining precision is higher, and reduce product disability rate and manufacturing cost's effect relatively.

Description

Bar processing auxiliary assembly for digit control machine tool

Technical Field

The application relates to the technical field of metal bar processing equipment, in particular to bar processing auxiliary equipment for a numerical control machine tool.

Background

A numerically controlled machine tool is an automated machine tool equipped with a program control system, which is capable of operating the machine tool and machining parts according to a programmed program. The numerical control machine tool integrates the characteristics of a universal lathe with good universality, a precision lathe with high processing precision and a special lathe with high processing efficiency, and is the numerical control machine tool with the largest domestic use amount and the widest coverage. Generally, when a long bar is machined by a numerical control machine, the free end of the bar is lifted by a support so as to ensure the stability of the bar; however, the axis of the bar stock to be processed deviates under the action of continuous vibration, which results in reduced processing precision, increased product rejection rate and increased production cost.

SUMMERY OF THE UTILITY MODEL

In order to improve bar stability relatively poor at the in-process of processing, lead to the machining precision not high relatively, lead to the relatively higher problem of product disability rate and manufacturing cost, this application provides a bar processing auxiliary assembly for digit control machine tool.

The application provides a pair of bar processing auxiliary assembly for digit control machine tool adopts following technical scheme:

the utility model provides a bar processing auxiliary assembly for digit control machine tool, includes a plurality of supporting mechanisms that support in bar free end, its characterized in that: the supporting mechanism comprises a supporting component for supporting a bar and a clamping component which is arranged on the supporting component and used for clamping the bar, the supporting component comprises two slide rails, two supporting plates which are respectively vertically arranged on the two slide rails and a horizontally arranged mounting plate, a plurality of rollers which roll on the slide rails are arranged at the bottom end of the supporting plate, two ends of the mounting plate are respectively fixed at the top ends of the two supporting plates, and the fixing plate is fixedly arranged at the top end of the mounting plate; the clamping assembly comprises two fixing plates which are parallel to each other and fixed on the supporting assembly, two clamping plates arranged between the two fixing plates and two driving pieces which drive the two clamping plates to slide relative to the supporting assembly respectively, and the sliding direction of the clamping plates is the connecting line direction of the two fixing plates.

Preferably, the driving piece includes along the screw rod of fixed plate thickness direction threaded connection in the fixed plate, be fixed in screw rod one end and be located the fixed plate and deviate from the hand wheel of splint one side and rotate and connect in the screw rod other end and be fixed in the connection claw of splint.

Preferably, the splint is provided with a mounting hole along the thickness direction in a penetrating manner, a force application member is arranged in the mounting hole and comprises a shaft lever and arc-shaped clamping parts, the shaft lever is transversely arranged, two ends of the shaft lever are rotatably connected to the wall of the mounting hole, the arc-shaped clamping parts are rotatably connected to the shaft lever, and the arc directions of the two arc-shaped clamping parts are opposite.

Preferably, the arc-shaped clamping part comprises two arc plates with one ends rotatably connected to the shaft rod and torsion springs which are sleeved on the shaft rod and are fixed on the two arc plates respectively at the two free ends, and when the torsion springs are in a natural state, the two arc plates form an included angle smaller than 150 degrees.

Preferably, one side that the arc board deviates from the fixed plate is provided with a plurality of shock attenuation pieces, the shock attenuation piece includes that telescopic link and cover locate the damping spring of telescopic link, the one end of telescopic link is fixed in the arc board, the other end of telescopic link is the T form, damping spring's both ends are fixed in the T form end of arc board and telescopic link respectively.

Preferably, a soft cushion layer is fixed on one side of the telescopic rod, which is far away from the arc plate.

In summary, the present application includes at least one of the following beneficial technical effects:

the free end of the bar stock to be processed is supported by arranging a plurality of supporting components so as to relatively ensure the stability of the bar stock in the vertical direction; the relative movement of the two clamping plates is utilized to clamp the bar stock so as to relatively ensure the stability of the bar stock in the horizontal direction, thereby relatively ensuring higher processing precision and relatively reducing the product rejection rate and the production cost; the arc-shaped clamping parts are arranged into two arc plates which can rotate around the shaft, under the action of the torsion spring, the arc-shaped clamping parts can clamp the bars with different diameters, the practicability is relatively higher, and meanwhile, the effect of the arc plates on clamping the bars in the vertical direction is relatively better under the reaction force of the torsion spring; through setting up a plurality of shock attenuation pieces and soft bed course to the centre gripping effect to the bar is strengthened relatively, and form certain shock attenuation effect, weaken the vibrations that the bar produced in the course of working, thereby make the stability of bar higher relatively, with relative reduction product disability rate and manufacturing cost, and guarantee relatively that the machining precision is higher.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic view of the overall structure of the support mechanism of the present application;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the above drawings: 1. a support assembly; 11. a slide rail; 12. a support plate; 121. a roller; 13. mounting a plate; 131. a dovetail groove; 2. a clamping assembly; 21. a fixing plate; 22. a splint; 221. mounting holes; 23. a drive member; 231. a screw; 232. a hand wheel; 233. a connecting claw; 3. a force application member; 31. a shaft lever; 32. an arc-shaped clamping component; 321. an arc plate; 322. a torsion spring; 4. a shock absorbing member; 41. a telescopic rod; 42. a damping spring; 5. a soft cushion layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1, the embodiment of the application provides a bar processing auxiliary device for a numerical control machine tool, which includes a plurality of supporting mechanisms simultaneously supported at a free end of a processed bar (i.e. an unprocessed end of the bar), wherein each supporting mechanism includes a supporting assembly 1 and a clamping assembly 2 for clamping the bar; utilize a plurality of clamping component 2 with the free end centre gripping of bar simultaneously to guarantee the balance of bar relatively, reduce the bar and produce the probability of axis skew because of lasting vibrations at the in-process of processing.

Referring to fig. 1 and 2, the support assembly 1 includes two slide rails 11, two support plates 12, and a mounting plate 13; the two slide rails 11 are fixed on the ground; the two support plates 12 are vertically arranged and are respectively positioned at the upper sides of the two slide rails 11, and a plurality of rollers 121 which can be simultaneously connected with the slide rails 11 in a sliding manner are fixed at the lower ends of the support plates 12; the mounting plate 13 is horizontally arranged, and two ends of the mounting plate are respectively fixed at the top ends of the two support plates 12; a plurality of dovetail grooves 131 are formed on the side of the mounting plate 13 away from the support plate 12, and the dovetail grooves 131 penetrate through the mounting plate 13 along a direction perpendicular to the length direction of the slide rail 11. When the free end of the bar stock is supported by the supporting mechanism, the free end of the bar stock is simultaneously placed on the mounting plates 13, so that the free end of the bar stock is supported by the supporting assemblies 1, and the balance of the bar stock in the vertical direction is relatively ensured; meanwhile, the clamping assembly 2 is utilized to clamp the bar, so that the stability of the free end of the bar in the horizontal direction is guaranteed, the machining precision is relatively high, and the product rejection rate and the production cost are relatively reduced.

Referring to fig. 2 and 3, the clamping assembly 2 includes two fixing plates 21, two clamping plates 22, and two driving members 23. The two fixing plates 21 are vertically fixed at two ends of the mounting plate 13, which are perpendicular to the length direction of the slide rail 11, respectively, and the plate surfaces of the two fixing plates 21 are opposite; a screw hole is bored in the fixing plate 21 in the thickness direction thereof. The clamping plate 22 is vertically arranged between the two fixing plates 21, and the surfaces of the two clamping plates 22 are opposite; a plurality of dovetail blocks which are matched and slidably connected with the dovetail grooves 131 are integrally formed at the lower end of the clamping plate 22 so as to connect the clamping plate 22 with the mounting plate 13 and keep the clamping plate 22 vertical; the clamping plate 22 is also perforated with a mounting hole 221 along the thickness direction. The two driving members 23 are respectively located on the opposite sides of the two clamping plates 22 to drive the clamping plates 22 to slide towards or away from each other, and each driving member comprises a screw 231, a hand wheel 232 and a connecting claw 233; the screw 231 is perpendicular to the fixing plate 21 and the clamping plate 22, and is connected to the fixing plate 21 through a threaded hole on the fixing plate 21; the hand wheel 232 is fixed at one end of the screw 231 departing from the clamping plate 22; the connecting claw 233 is fixed to a side of the clamping plate 22 adjacent to the fixing plate 21 and rotatably connected to the other end of the screw 231.

Utilize clamping unit 2 when the free end centre gripping of bar, exert force to two hand wheels 232, rotation drive screw 231 through hand wheel 232 rotates, make two screw rods 231 can promote two splint 22 and slide in opposite directions at the pivoted in-process, and then with the bar centre gripping, thereby accessible supporting component 1 supports the bar of processing when, accessible clamping unit 2 is with the bar centre gripping, guarantee the stability of bar in the course of working relatively, thereby guarantee relatively that the machining precision is higher, and reduce product disability rate and manufacturing cost relatively. Because the two clamping plates 22 can slide in opposite directions, the bar stock can be relatively ensured to be always positioned in the middle of the mounting plate 13 while being supported, and the effect of supporting the bar stock is better.

Referring to fig. 3, a force applying member 3 is provided in the mounting hole 221, and the force applying member 3 includes a shaft 31 and an arc-shaped holding member 32; the shaft lever 31 is horizontally arranged and parallel to the slide rail 11; the arc clamping part 32 is wholly arc-shaped, and the arcs of the two arc clamping parts 32 are opposite to the whole, so that when the bar is clamped, the two arc clamping parts 32 relatively form a coating effect on the bar, the effect that the bar is clamped is relatively better, and the stability of the bar is relatively better.

The arc-shaped clamping part 32 comprises two arc plates 321 and a torsion spring 322; in the vertical direction, the two arc plates 321 are respectively located at two sides of the shaft rod 31 in the radial direction, and one end of each arc plate 321 is rotatably connected to the shaft rod 31; the torsion spring 322 is sleeved on the shaft rod 31, and two free ends of the torsion spring are respectively fixed on the two arc plates 321; when the torsion spring 322 is in a natural state, the two arc plates 321 form an included angle smaller than 150 °. When the two arc-shaped clamping parts 32 are used for clamping and fixing the bar stock, the angle between the two arc plates 321 is changed adaptively under the deformation effect of the torsion spring 322, so that the bar stock with different diameters can be clamped through the two arc-shaped clamping parts 32, and the practicability is relatively stronger; meanwhile, under the force transmission effect, the deformed torsion spring 322 gives a reaction force to the arc plate 321, so that the clamping effect of the arc plate 321 on the bar material in the vertical direction is relatively better.

A plurality of shock absorbing members 4 are arranged on the arc plate 321, the shock absorbing members 4 are positioned on one side of the arc plate 321 away from the fixed plate 21, and each shock absorbing member 4 comprises an expansion link 41 and a shock absorbing spring 42; one end of the telescopic rod 41 is fixed to the arc plate 321, and the other end thereof is T-shaped; the shock absorbing spring 42 is sleeved on the telescopic rod 41, and two ends of the shock absorbing spring are fixed on the arc plate 321 and the T-shaped end of the telescopic rod 41. When the two arc-shaped clamping parts 32 clamp the bar stock, the plurality of telescopic rods 41 can generate telescopic effects with different lengths, so that the deformed arc-shaped clamping parts 32 can form a relatively larger clamping area and a better clamping effect on the bar stock under the indirect action of the shock absorbing part 4; meanwhile, the damping spring 42 can generate a certain damping effect on the vibration generated when the bar is processed, so that the stability of the bar is relatively higher.

A soft cushion layer 5 is fixedly bonded to one side of the T-shaped end of the telescopic rod 41, which is far away from the arc plate 321, the soft cushion layer 5 is made of rubber and has a certain stress deformation effect, so that when the bar is clamped, the contact area between the telescopic rod 41 and the bar through the soft cushion layer 5 is relatively largest, and the clamping effect is relatively better; meanwhile, the soft cushion layer 5 can also form a certain damping effect and can relatively prevent the surface of the bar stock from being scratched.

Finally, the above embodiments are only used for illustrating the technical solutions of the present application and not for limiting, although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application, and all the technical solutions of the present application should be covered by the claims of the present application.

Claims

1. The utility model provides a bar processing auxiliary assembly for digit control machine tool, includes a plurality of supporting mechanisms that support in bar free end, its characterized in that: the supporting mechanism comprises a supporting component (1) for supporting a bar and a clamping component (2) which is arranged on the supporting component (1) and used for clamping the bar, the supporting component (1) comprises two slide rails (11), two supporting plates (12) which are respectively vertically arranged on the two slide rails (11) and a horizontally arranged mounting plate (13), a plurality of rollers (121) which roll on each slide rail (11) are arranged at the bottom end of each supporting plate (12), two ends of each mounting plate (13) are respectively fixed at the top ends of the two supporting plates (12), and the fixing plate (21) is fixedly arranged at the top end of each mounting plate (13); the clamping assembly (2) comprises two fixing plates (21) which are parallel to each other and fixed on the supporting assembly (1), two clamping plates (22) arranged between the two fixing plates (21) and two driving pieces (23) which drive the two clamping plates (22) to slide relative to the supporting assembly (1), and the sliding direction of the clamping plates (22) is the connecting line direction of the two fixing plates (21).

2. The bar processing auxiliary device for the numerical control machine tool as set forth in claim 1, wherein: the driving piece (23) comprises a screw rod (231) which is in threaded connection with the fixing plate (21) along the thickness direction of the fixing plate (21), a hand wheel (232) which is fixed at one end of the screw rod (231) and is positioned at one side, deviating from the clamping plate (22), of the fixing plate (21), and a connecting claw (233) which is connected at the other end of the screw rod (231) in a rotating manner and is fixed on the clamping plate (22).

3. The bar processing auxiliary device for the numerical control machine tool as set forth in claim 2, wherein: the clamping plate (22) penetrates through a mounting hole (221) along the thickness direction of the clamping plate, a force application part (3) is arranged in the mounting hole (221), the force application part (3) comprises a shaft lever (31) which is transversely arranged and is connected to the hole wall of the mounting hole (221) in a rotating mode at two ends and arc-shaped clamping parts (32) which are connected to the shaft lever (31) in a rotating mode, and the arc directions of the arc-shaped clamping parts (32) are opposite.

4. The bar processing auxiliary device for the numerical control machine tool as set forth in claim 3, wherein: arc clamping part (32) include that two one end rotate connect in arc board (321) of axostylus axostyle (31) with overlap locate axostylus axostyle (31) and two free ends are fixed in torsional spring (322) of two arc boards (321) respectively, when torsional spring (322) are in natural state, two arc board (321) form and are less than 150 contained angle.

5. The bar processing auxiliary device for the numerical control machine tool as set forth in claim 4, wherein: one side that arc board (321) deviates from fixed plate (21) is provided with a plurality of shock attenuation pieces (4), shock attenuation piece (4) include telescopic link (41) and cover locate damping spring (42) of telescopic link (41), the one end of telescopic link (41) is fixed in arc board (321), the other end of telescopic link (41) is the T form, the both ends of damping spring (42) are fixed in the T form end of arc board (321) and telescopic link (41) respectively.

6. The bar processing auxiliary device for the numerical control machine tool as set forth in claim 5, wherein: and a soft cushion layer (5) is fixed on one side of the telescopic rod (41) departing from the arc plate (321).