CN216575577U - One-step forming cutter for tungsten steel coating - Google Patents

Abstract

The utility model discloses a tungsten steel coating one-step forming knife, which belongs to the field of one-step forming knives and comprises a knife handle, wherein the inner wall of the knife handle is fixedly connected with a fixed rod, the lower end of the fixed rod is fixedly connected with a pair of L-shaped clamping plates which are bilaterally symmetrical, the lower end of the fixed rod is fixedly connected with a pressing plate, the pressing plate is positioned between the pair of L-shaped clamping plates, the inner wall of the knife handle is fixedly connected with a pair of bilaterally symmetrical connecting frames, the pair of connecting frames are positioned at the lower sides of the L-shaped clamping plates, the lower end of the knife handle is provided with a jack, the outer side of the knife handle is provided with a one-step forming knife body, the one-step forming knife body penetrates through the jack and extends to the inner part of the knife handle, the upper end of the one-step forming knife body is fixedly connected with a fixed frame, the inner wall of the fixed frame is fixedly connected with a cross rod, and the one-step forming knife body can be rapidly replaced and installed in the knife handle after being damaged, saves time and labor, thereby improving the use efficiency.

Description

One-step forming cutter for tungsten steel coating

Technical Field

The utility model relates to the field of one-step forming cutters, in particular to a one-step forming cutter for a tungsten steel coating.

Background

The one-step forming is a method for making plastics into products with various shapes by heating to enable the plastics to be in a viscous state, flowing, forming and cooling hardening (or crosslinking solidification), the one-step forming comprises extrusion forming, injection forming, compression molding, calendaring forming and the like, the formed products are from simple to extremely complex products with precise shapes and sizes, the application is wide, most of the plastic products are made by one-step forming, the formed surfaces can be cut by a forming lathe tool only through one cutting stroke, the operation is simple, the production efficiency is high, the precision of the formed surfaces is independent of the operating level of workers, the method mainly depends on the manufacturing precision of a cutter cutting edge, the consistency and the interchangeability of the surface shape and the dimensional precision of a workpiece to be processed can be ensured, the processing precision can reach IT 9-IT 10, the surface roughness Ra6.3-Ra3.2, and the regrinding times of the forming lathe tool are large, however, the tool has a long service life, but the design and manufacture of the tool are complicated and the cost is high, so that the tool is mainly used in mass production of small parts, and high-speed steel is frequently used as a material of the tool because the shape of the cutting edge of the formed turning tool is complicated and the manufacture is difficult when cemented carbide is used as a material of the tool.

Among the prior art, when the one shot forming sword of majority was fixed on the lathe, the one shot forming sword took place to damage the back, comparatively trouble in the time of the change, and it is hard to waste time relatively to make the availability factor of one shot forming sword reduce.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a tungsten steel coating one-step forming cutter, which can be used for quickly replacing and installing a one-step forming cutter body in a cutter handle after the one-step forming cutter body is damaged, so that time and labor are saved, and the use efficiency is improved.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A tungsten steel coating one-step forming cutter comprises a cutter handle, wherein a fixed rod is fixedly connected to the inner wall of the cutter handle, a pair of L-shaped clamp plates which are bilaterally symmetrical are fixedly connected to the lower end of the fixed rod, a pressing plate is fixedly connected to the lower end of the fixed rod and positioned between the pair of L-shaped clamp plates, a pair of bilaterally symmetrical connecting frames are fixedly connected to the inner wall of the cutter handle, the connecting frames are both positioned on the lower sides of the L-shaped clamp plates, jacks are formed in the lower end of the cutter handle, a one-step forming cutter body is arranged on the outer side of the cutter handle, penetrates through the jacks and extends into the interior of the cutter handle, a fixing frame is fixedly connected to the upper end of the one-step forming cutter body, a cross rod is fixedly connected to the inner wall of the fixing frame, a pair of bilaterally symmetrical chutes is formed in the upper end of the cross rod, and sliders are slidably connected in the chutes, fixedly connected with expanding spring between slider and the spout, it is a pair of the equal fixedly connected with joint frame in upper end of slider, the joint frame matches with supporting the clamp plate, the outer end of fixed frame is excavated there is the perforation of a pair of bilateral symmetry, the joint frame passes the perforation to extend to the inside of connecting frame, the inner wall fixedly connected with shell fragment of joint frame, the upper end fixedly connected with stopper of shell fragment, the lower extreme of L shape splint is excavated the spacing groove, the connecting frame has the through-hole with the equal excavation of the outer end of joint frame, the stopper passes the through-hole to extend to the spacing inslot, can realize once-forming sword body after taking place to damage, can be very fast change it and install in the handle of a knife, labour saving and time saving relatively to the availability factor has been improved.

Furthermore, one end of each L-shaped clamping plate, which is close to each other, is fixedly connected with a friction pad, the friction pads are in close contact with the fixing frame, and the friction pads are arranged, so that the looseness is not easy to happen when the one-step forming cutter body is in contact with the L-shaped clamping plates, and the stability of the one-step forming cutter body is improved.

Further, the lower extreme of slider is excavated there is spherical groove, spherical inslot internal rotation is connected with the ball, ball and spout sliding connection through the setting of ball, can reduce the frictional force between slider and the spout, make its gliding more smooth and easy.

Further, the upper end of stopper and the equal fixedly connected with magnet piece of inner wall of spacing groove are located the downside the upper end of magnet piece is the N utmost point setting, is located the upside the lower extreme of magnet piece is the S utmost point setting, and when setting up through the magnet piece can make stopper and spacing groove looks block, more stability.

Further, the inner wall fixedly connected with sealing washer of jack, sealing washer and one shot forming sword body in close contact with can prevent through the setting of sealing washer that one shot forming sword body is adding the impurity dust of man-hour, get into in the handle of a knife, lead to damaging.

Furthermore, the telescopic spring and the elastic sheet are made of stainless steel materials, the surface of the telescopic spring and the surface of the elastic sheet are coated with a heat-resistant coating, the telescopic spring and the elastic sheet made of stainless steel materials can prevent the telescopic spring and the elastic sheet from being rusted difficultly in long-time use, and the telescopic spring and the elastic sheet can be prevented from being damaged due to overhigh temperature by being coated with the heat-resistant coating, so that the service life of the telescopic spring and the elastic sheet is prolonged.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) this scheme can realize one shot forming sword body taking place to damage the back, can be very fast install its change in the handle of a knife, and labour saving and time saving is relatively to the availability factor has been improved.

(2) The friction pads are fixedly connected to the ends, close to each other, of the L-shaped clamp plates and are in close contact with the fixing frame, and the friction pads are arranged, so that the looseness of the one-step forming cutter body is not prone to occurring when the one-step forming cutter body is in contact with the L-shaped clamp plates, and the stability of the one-step forming cutter body is improved.

(3) The lower extreme of slider is dug there is spherical groove, and spherical inslot rotation is connected with the ball, and ball and spout sliding connection through the setting of ball, can reduce the frictional force between slider and the spout, make its gliding more smooth and easy.

(4) The upper end of stopper and the equal fixedly connected with magnet piece of inner wall of spacing groove, the upper end that is located the magnet piece of downside is the setting of N utmost point, and the lower extreme that is located the magnet piece of upside is the setting of S utmost point, and when setting up through the magnet piece can make stopper and spacing groove looks block, more stability.

(5) The inner wall fixedly connected with sealing washer of jack, sealing washer and one shot forming sword body in close contact with, through the setting of sealing washer, can prevent that one shot forming sword body from getting into the handle of a knife in the impurity dust of processing man-hour, leading to damaging.

(6) The telescopic spring and the elastic sheet are made of stainless steel materials, the telescopic spring and the surface of the elastic sheet are coated with the heat-resistant coating, the telescopic spring and the elastic sheet which are made of the stainless steel materials can be prevented from being rusted difficultly in long-time use, and the telescopic spring and the elastic sheet can be prevented from being damaged due to overhigh temperature by coating the heat-resistant coating.

Drawings

FIG. 1 is a schematic overall sectional structure of the present invention;

FIG. 2 is a schematic view of a dynamic conversion structure of the one-step forming tool body according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is a schematic view of a partial cross-section structure of the limiting block of the present invention.

The reference numbers in the figures illustrate:

1. a knife handle; 2. fixing the rod; 3. an L-shaped splint; 301. a friction pad; 4. pressing the plate; 5. a connecting frame; 6. forming the cutter body in one step; 7. a fixing frame; 8. a cross bar; 9. a chute; 10. a slider; 1001. a ball bearing; 11. a tension spring; 12. clamping the frame; 13. a spring plate; 14. a limiting block; 1401. a magnet block; 15. a limiting groove.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element 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. Furthermore, the terms "first" and "second" 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-4, a tungsten steel coating one-step forming knife comprises a knife handle 1, a fixing rod 2 is fixedly connected to the inner wall of the knife handle 1, a pair of L-shaped clamping plates 3 which are bilaterally symmetrical are fixedly connected to the lower end of the fixing rod 2, a pressing plate 4 is fixedly connected to the lower end of the fixing rod 2, the pressing plate 4 is positioned between the pair of L-shaped clamping plates 3, a pair of bilaterally symmetrical connecting frames 5 is fixedly connected to the inner wall of the knife handle 1, the pair of connecting frames 5 are both positioned at the lower side of the L-shaped clamping plates 3, a jack is chiseled at the lower end of the knife handle 1, a one-step forming knife body 6 is arranged at the outer side of the knife handle 1, the one-step forming knife body 6 passes through the jack and extends to the inside of the knife handle 1, a fixing frame 7 is fixedly connected to the upper end of the one-step forming knife body 6, a cross bar 8 is fixedly connected to the inner wall of the fixing frame 7, a pair of bilaterally symmetrical chutes 9 are chiseled at the upper end of the cross bar 8, and a slide block 10 is slidably connected to the pair of chutes 9, fixedly connected with expanding spring 11 between slider 10 and the spout 9, the equal fixedly connected with joint frame 12 in upper end of a pair of slider 10, joint frame 12 with support 4 phase-matchs of clamp plate, the outer end of fixed frame 7 is opened and is dug the perforation that has a pair of bilateral symmetry, joint frame 12 passes the perforation, and extend to the inside of connecting frame 5, the inner wall fixedly connected with shell fragment 13 of joint frame 12, the upper end fixedly connected with stopper 14 of shell fragment 13, spacing groove 15 is dug to the lower extreme of L shape splint 3, connecting frame 5 all cuts the through-hole with the outer end of joint frame 12, stopper 14 passes the through-hole, and extend to in the spacing groove 15, can realize once forming cutter body 6 after taking place to damage, can be very fast install its change in handle of a knife 1, compare labour saving and time saving, thereby the availability factor has been improved.

Referring to fig. 3-4, when one end of each of the pair of L-shaped clamping plates 3 close to each other is fixedly connected with a friction pad 301, the friction pad 301 is in close contact with the fixing frame 7, and the primary formed cutter body 6 is not easily loosened when contacting the L-shaped clamping plate 3 through the arrangement of the friction pad 301, so as to improve the stability of the primary formed cutter body 6, the lower end of the slider 10 is drilled with a spherical groove, a ball 1001 is rotatably connected in the spherical groove, the ball 1001 is slidably connected with the sliding groove 9, the friction between the slider 10 and the sliding groove 9 can be reduced through the arrangement of the ball 1001, so that the sliding is smoother, the upper end of the stopper 14 and the inner wall of the stopper groove 15 are fixedly connected with a magnet block 1401, the upper end of the magnet block 1401 located at the lower side is arranged with an N pole, the lower end of the magnet block 1401 located at the upper side is arranged with an S pole, and the stopper 14 and the stopper groove 15 can be engaged with each other through the arrangement of the magnet block 1401, and is more stable.

Please refer to fig. 1 and 4, the inner wall of the insertion hole is fixedly connected with a sealing ring, the sealing ring is in close contact with the one-step forming cutter body 6, through the arrangement of the sealing ring, the impurity and dust generated when the one-step forming cutter body 6 is processed can be prevented from entering the cutter handle 1 and causing damage, the extension spring 11 and the elastic sheet 13 are made of stainless steel materials, the surfaces of the extension spring 11 and the elastic sheet 13 are coated with heat-resistant coatings, the extension spring 11 and the elastic sheet 13 made of stainless steel materials can be prevented from being corroded easily in long-time use, and the extension spring 11 and the elastic sheet 13 can be prevented from being damaged due to overhigh temperature by being coated with the heat-resistant coatings, so that the service life of the extension spring is prolonged.

In the utility model, when a related technician uses the device, after the primary forming cutter body 6 is damaged and needs to be replaced, the primary forming cutter body 6 is pulled downwards to enable the fixing frame 7 to be far away from the pressing plate 4, so that the pair of clamping frames 12 are moved into the fixing frame 7 under the reset action of the expansion spring 11, the primary forming cutter body 6 is separated from the cutter handle 1, then the primary forming cutter body 6 needing to be replaced passes through the jack to drive the fixing frame 7 to move upwards, when the fixing frame 7 is contacted with the friction pad 301, the clamping frames 12 continue to move upwards, the pair of clamping frames 12 are pushed by the pressing plate 4 to move away, when the clamping frames 12 move, the elastic sheet 13 is in a contraction state, when the through hole corresponds to the limiting groove 15, the limiting block 14 is moved to the inner wall of the limiting groove 15 to be clamped with the limiting groove under the action of the elastic sheet 13, compared with the prior art, the replacement of the one-time forming cutter body 6 is realized, and the one-time forming cutter can be quickly replaced and installed in the cutter handle 1 after the one-time forming cutter body 6 is damaged, so that time and labor are saved, and the use efficiency is improved.

The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims (6)

1. The utility model provides a tungsten steel coating one shot forming sword, includes handle of a knife (1), its characterized in that: the inner wall of the knife handle (1) is fixedly connected with a fixed rod (2), the lower end of the fixed rod (2) is fixedly connected with a pair of L-shaped clamping plates (3) which are bilaterally symmetrical, the lower end of the fixed rod (2) is fixedly connected with a pressing plate (4), the pressing plate (4) is positioned between the pair of L-shaped clamping plates (3), the inner wall of the knife handle (1) is fixedly connected with a pair of bilaterally symmetrical connecting frames (5), the pair of connecting frames (5) are both positioned at the lower side of the L-shaped clamping plates (3), the lower end of the knife handle (1) is provided with a chisel hole, the outer side of the knife handle (1) is provided with a one-time forming knife body (6), the one-time forming knife body (6) penetrates through the chisel hole and extends to the inner part of the knife handle (1), the upper end of the one-time forming knife body (6) is fixedly connected with a fixed frame (7), the inner wall of the fixed frame (7) is fixedly connected with a cross rod (8), the upper end of the cross rod (8) is provided with a pair of bilaterally symmetrical sliding grooves (9) in a chiseling mode, the sliding grooves (9) are provided with a pair of bilaterally symmetrical sliding blocks (10) in a pair, an expansion spring (11) is fixedly connected between the sliding blocks (10) and the sliding grooves (9), the upper ends of the sliding blocks (10) are fixedly connected with clamping frames (12), the clamping frames (12) are matched with the pressing plate (4), the outer ends of the fixing frames (7) are provided with a pair of bilaterally symmetrical through holes in a chiseling mode, the clamping frames (12) penetrate through the through holes and extend to the inside of the connecting frame (5), the inner wall of each clamping frame (12) is fixedly connected with an elastic piece (13), the upper end of each elastic piece (13) is fixedly connected with a limiting block (14), the lower end of the L-shaped clamping plate (3) is provided with a limiting groove (15), and the connecting frame (5) and the outer ends of the clamping frames (12) are provided with through holes, the limiting block (14) penetrates through the through hole and extends into the limiting groove (15).

2. The one-step forming cutter for the tungsten steel coating according to claim 1, wherein the one-step forming cutter comprises: the L-shaped clamping plates (3) are fixedly connected with friction pads (301) at one ends close to each other, and the friction pads (301) are in close contact with the fixing frame (7).

3. The one-step forming cutter for the tungsten steel coating according to claim 1, wherein the one-step forming cutter comprises: the lower end of the sliding block (10) is provided with a spherical groove, a ball (1001) is rotationally connected in the spherical groove, and the ball (1001) is in sliding connection with the sliding groove (9).

4. The one-step forming cutter for the tungsten steel coating according to claim 1, wherein the one-step forming cutter comprises: the upper end of the limiting block (14) and the inner wall of the limiting groove (15) are fixedly connected with a magnet block (1401), the upper end of the magnet block (1401) located on the lower side is arranged in an N pole mode, and the lower end of the magnet block (1401) located on the upper side is arranged in an S pole mode.

5. The one-step forming cutter for the tungsten steel coating according to claim 1, wherein the one-step forming cutter comprises: the inner wall fixedly connected with sealing washer of jack, the sealing washer is in close contact with one shot forming sword body (6).

6. The one-step forming cutter for the tungsten steel coating according to claim 1, wherein the one-step forming cutter comprises: the telescopic spring (11) and the elastic sheet (13) are made of stainless steel materials, and heat-resistant coatings are coated on the surfaces of the telescopic spring (11) and the elastic sheet (13).

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