CN212043575U

CN212043575U - Narrow strip blade pressing plate

Info

Publication number: CN212043575U
Application number: CN202020588401.4U
Authority: CN
Inventors: 欧征学; 刘勇; 熊博文
Original assignee: CHONGQING PACIFIC TOOL INDUSTRIAL CO LTD
Current assignee: CHONGQING PACIFIC TOOL INDUSTRIAL CO LTD
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-12-01
Anticipated expiration: 2030-04-17

Abstract

The utility model relates to the technical field of machining and discloses a narrow strip blade pressing plate which comprises an upper pressing plate and a lower pressing plate, wherein the lower pressing plate is provided with a first bulge matched with a cutter groove, and the width of the first bulge is less than or equal to that of the cutter groove; the lower pressing plate is provided with a second protrusion for limiting the blade, and the upper pressing plate is provided with a through groove matched with the second protrusion. By adopting the scheme, the technical problems of low universality and narrow application range of the blade pressing plate in the prior art can be solved.

Description

Narrow strip blade pressing plate

Technical Field

The utility model relates to a machining's technical field, concretely relates to narrow strip blade clamp plate.

Background

In the machining process, the blade is directly contacted with a workpiece, so that the blade is abraded greatly, and in order to facilitate maintenance and replacement of the blade by a user, the cutter with the cutter body and the cutter with the blade are generally selected and used, so that the cost is saved. However, when the cutter is used, the clamping of the blade is necessary preparation work for cutting, and if the clamping of the blade is not firm, the phenomenon of cutter shaking or cutter breaking is easy to occur in the processing process, so that the surface roughness of a product is influenced, and the service life of the blade is reduced; therefore, in the prior art, a groove is generally formed in the cutter body, a blade base is formed at a position close to the lower portion of the bottom surface of the groove in an extending manner, a blade pressing plate is fixed in the groove through a fastener, and the blade pressing plate presses and fixes the blade in the groove, so that the blade and the cutter body are fixed.

For the European woodwork narrow blade, a blade groove is arranged on the blade along the length direction, but the specific sizes of the blades and the blade grooves of different manufacturers are different, so that the sizes of the convex structures matched with the blade grooves on the blade pressing plate are different, the blade pressing plate on the market can only be matched with the blades of corresponding models generally, and the blade pressing plate is low in universality and narrow in application range.

SUMMERY OF THE UTILITY MODEL

The utility model provides a narrow strip blade clamp plate to the commonality of blade clamp plate is low among the solution prior art, the narrow technical problem of application scope.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a narrow blade pressing plate comprises an upper pressing plate and a lower pressing plate, wherein a first bulge matched with a cutter groove is arranged on the lower pressing plate, and the width of the first bulge is smaller than or equal to that of the cutter groove; the lower pressing plate is provided with a second protrusion for limiting the blade, and the upper pressing plate is provided with a through groove matched with the second protrusion.

The principle and the advantages of the scheme are as follows: the first bulge can be clamped into the cutter groove, so that the blade is pre-positioned; meanwhile, the second bulge can be abutted against the lower end face of the blade, so that the blade is limited, and the relative positions of the blade and the lower pressing plate are relatively accurate; the lower pressing plate can be matched with various types of European woodwork narrow strip blades, so that the blade pressing plate is suitable for European woodwork narrow strip blades of different types, and the universality and the practicability of the blade pressing plate are improved; meanwhile, the second bulge can be clamped into the through groove on the upper pressing plate, so that the upper pressing plate and the lower pressing plate are relatively fixed, and the position of the blade between the upper pressing plate and the lower pressing plate is relatively accurate; the blade can be positioned and fixed through the matching of the upper pressing plate and the lower pressing plate, so that the aim of stably and accurately fixing the blade on the cutter body is fulfilled.

Preferably, as an improvement, the upper pressing plate is provided with a positioning hole, and the lower pressing plate is provided with a convex column, wherein the convex column can be inserted into the positioning hole and is in transition fit or interference fit with the positioning hole.

The locating hole and the projection cooperation of this scheme can further carry on spacingly to top board and holding down plate, make the relative position of top board and holding down plate fixed, have avoided holding down plate and top board to take place the condition of sliding along the length direction who leads to the groove.

Preferably, as an improvement, the positioning hole is a circular hole, and the convex column is a cylinder.

This scheme processing of being more convenient for, the user of also being more convenient for simultaneously inserts the projection in the locating hole.

Preferably, as an improvement, the locating hole is equipped with a plurality ofly, and projection and locating hole one-to-one correspond.

This scheme sets up the locating hole a plurality ofly, is favorable to improving the positioning accuracy of top board and holding down plate, has avoided top board and holding down plate to take place the condition of relative rotation.

Preferably, as an improvement, the one side that deviates from the blade on the top board is first face of supporting, is equipped with first screw hole, first screw hole internal thread complex first bolt on the first face of supporting perpendicularly.

The utility model has the advantages of simple structure, the processing of being convenient for, during the use, will twist first bolt earlier in first screwed hole to put into the recess on the cutter body with blade and blade clamp plate together, then outwards twist out first bolt, make the head of first bolt offset with the lateral wall of recess, can fix the blade clamp plate in the recess, thereby realize fixing the purpose on the cutter body with the blade.

Preferably, as an improvement, a wedge surface is arranged at one end of the lower pressure plate close to the blade.

This scheme can avoid the blade to carry out the in-process of processing to the work piece, and the holding down plate offsets with the work piece and leads to the condition that the blade can not normal operating.

Preferably, as an improvement, an adjusting mechanism for adjusting the height of the cutting edge of the blade is arranged on the lower surface of the upper pressure plate.

The adjustment mechanism of this scheme can highly adjust the blade, and the user of being convenient for carries out the adaptability adjustment according to the in-service use demand.

Preferably, as a modification, the adjusting mechanism includes a second threaded hole and a second bolt, and the second threaded hole and the second bolt are in threaded engagement.

The adjusting mechanism can adjust the distance between the blade pressing plate and the bottom of the groove, so that the aim of adjusting the height of the cutting edge of the blade is fulfilled; specifically, after the blade pressing plate is placed in the groove in the cutter body, the distance between the blade pressing plate and the bottom of the groove is adjusted in a mode of screwing in or screwing out the second bolt.

Preferably, as a modification, the second projection is provided with a chamfer on a side facing the insert.

Because the lower end surface of the blade is a wedge surface, the scheme can increase the contact area of the second protrusion and the blade, so that the blade is more attached to the second protrusion; simultaneously, when the raised edge of the second is abutted to the lower end face of the blade, damage or scratch to the blade is avoided, and the service life of the blade is prolonged.

Preferably, as an improvement, the upper pressing plate is made of aluminum, and the lower pressing plate is made of stainless steel 1Cr 13.

For a cutter rotating at a high speed, the rotational inertia is in direct proportion to the mass, and the mass and the rotational inertia are small; when the mass is large, the rotational inertia is large, the vibration and noise in the processing process are large, and the phenomena of vibration lines and unevenness on the surface of the processed wood are easily caused, so that the surface quality of a processed surface is influenced; when the vibration is large, the conditions of tipping, passivation and gaps are easily caused, and the service life of the cutter is shortened rapidly; the scheme greatly reduces the quality of the cutter through material selection, reduces the rotational inertia, ensures that the whole cutter has small vibration and operates more stably, and solves the technical problem.

Drawings

Fig. 1 is a schematic view of an assembly structure of a first embodiment of a narrow blade pressing plate according to the present invention, in which an upper pressing plate and a lower pressing plate are mounted on a cutter body.

Fig. 2 is a front cross-sectional view of a first embodiment of the present invention, mainly illustrating an assembled state of the blade when the blade is installed between the upper pressing plate and the lower pressing plate.

Fig. 3 is a left side view of the upper platen of fig. 2.

Fig. 4 is a right side view of the lower platen of fig. 2.

Fig. 5 is a schematic view of an assembly structure of the second embodiment of the present invention, after the upper pressing plate and the lower pressing plate are mounted on the cutter body.

Fig. 6 is a left side view of the upper platen of fig. 5.

Fig. 7 is a front cross-sectional view of a third embodiment of the present invention, mainly illustrating an assembled state of the blade when the blade is installed between the upper platen and the lower platen.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the cutting tool comprises an upper pressing plate 1, a lower pressing plate 2, a first protrusion 3, a cutter groove 4, a second protrusion 5, a through groove 6, a positioning hole 7, a convex column 8, a first abutting surface 9, a first threaded hole 10, a first bolt 11, a wedge surface 12, a tool body 13, a blade 14, a second threaded hole 15 and a second bolt 16.

Example one

As shown in the attached figures 1 and 2: a narrow blade pressing plate comprises an upper pressing plate 1 and a lower pressing plate 2, wherein the upper pressing plate 1 is made of aluminum, and the lower pressing plate 2 is made of stainless steel 1Cr 13; as shown in fig. 2 and 4, a first protrusion 3 matching with the knife slot 4 is integrally formed on the lower pressure plate 2, the width of the first protrusion 3 (the length of the first protrusion 3 in the vertical direction in fig. 2) is smaller than or equal to the width of the knife slot 4, and here, the width of the first protrusion 3 is smaller than the width of the knife slot 4 as an example; a second bulge 5 for limiting the lower side surface of the blade 14 is fixedly welded on the lower pressing plate 2, and a chamfer (not shown in the figure) is arranged on the edge of one side of the second bulge 5, which faces the blade 14; as shown in fig. 2 and 3, the upper platen 1 is provided with a through groove 6 engaged with the second protrusion 5, specifically, the through groove 6 is located corresponding to the second protrusion 5, and the width (the length in the vertical direction in fig. 2) of the through groove 6 is greater than the width of the second protrusion 5.

As shown in fig. 3 and 4, the upper pressing plate 1 is provided with a positioning hole 7, the lower pressing plate 2 is fixedly welded with a convex column 8, and the convex column 8 can be inserted into the positioning hole 7 and is in interference fit with the positioning hole 7. Here, the positioning hole 7 is a circular hole, and the protruding column 8 is a cylinder; there are a plurality of positioning holes 7, two are taken as an example for illustration here, and the protruding columns 8 correspond to the positioning holes 7 one by one.

As shown in fig. 1 and 2, a surface (a right side surface in fig. 2) of the upper press plate 1 facing away from the blade 14 is a first abutting surface 9, a first threaded hole 10 is vertically formed in the first abutting surface 9, and a first bolt 11 in threaded fit with the first threaded hole 10 is formed in the first threaded hole 10.

As shown in fig. 2, a wedge surface 12 is provided at an end of the lower press plate 2 close to the blade 14, the wedge surface 12 is inclined in the same direction as the blade 14, and the height of the wedge surface 12 is lower than the upper side surface of the blade 14.

The specific implementation process is as follows: as shown in fig. 2, the knife grooves 4 on the blades 14 are aligned with the first protrusions 3 on the lower pressure plate 2 and mounted on the lower pressure plate 2, and then the convex columns 8 and the positioning holes 7 are aligned one by one and the upper pressure plate 1 is covered on the lower pressure plate 2, so that the blades 14 are clamped between the upper pressure plate 1 and the lower pressure plate 2; then, as shown in fig. 1, the first bolt 11 is screwed into the first threaded hole 10, the upper pressing plate 1, the blade 14 and the lower pressing plate 2 are placed into the groove on the cutter body 13, and then the first bolt 11 is rotated in the opposite direction, so that the first bolt 11 gradually retreats from the first threaded hole 10 until the right end of the bolt abuts against the side wall of the groove, and the purpose of fixing the blade 14 on the cutter body 13 can be achieved.

The first bulge 3 can be clamped into the cutter groove 4, and plays a role in pre-positioning the blade 14; meanwhile, the second bulge 5 can be abutted against the lower end face of the blade 14, so that the blade 14 is limited, and the relative position of the blade 14 and the lower pressing plate 2 is relatively accurate; meanwhile, the width of the first bulge 3 on the lower pressing plate 2 is smaller than that of the cutter groove 4, so that the lower pressing plate 2 can adapt to blades 14 of various models, and meanwhile, the second bulge 5 can be abutted against the lower end surface of the blade 14, so that the blade 14 is limited; so that the blade 14 pressing plate can fix the blades 14 of various models;

according to the scheme, the mass of the cutter is greatly reduced through material selection, so that the rotational inertia is reduced, the cutter is small in integral vibration and stable in operation, the conditions of large rotational inertia and large vibration and noise in the machining process caused by large mass are avoided, the phenomena of vibration lines and unevenness on the surface of the machined wood are avoided, and the machining quality of the wood is improved; and when vibrations are big, very easily lead to the condition of tipping, passivation and breach, sharply reduced the life of cutter, so this scheme can also prolong the life of blade 14, practices thrift equipment input cost.

Example two

As shown in fig. 5 and 6, the present embodiment is different from the first embodiment in that an adjusting mechanism for adjusting the height of the cutting edge of the blade 14 is disposed on the lower surface of the upper platen 1, the adjusting mechanism includes a second threaded hole 15 and a second bolt 16, and the second threaded hole 15 and the second bolt 16 are in threaded engagement.

When the blade adjusting device is used specifically, as shown in fig. 5, a user can adjust the length of the second bolt 16 extending out of the second threaded hole 15 by rotating the second bolt 16, so as to adjust the distance between the lower surface of the upper pressure plate 1 and the bottom of the groove, and further achieve the purpose of adjusting the height of the blade 14 extending out of the groove.

EXAMPLE III

As shown in fig. 7, the present embodiment is different from the first embodiment in that a locking groove attached to the blade 14 is formed on the second protrusion 5.

When the novel knife rest is used specifically, the lower side of the blade 14 is aligned with the clamping groove, the knife grooves 4 in the blade 14 are aligned with the first protrusions 3 on the lower pressing plate 2, the blade 14 is installed on the lower pressing plate 2, then the convex columns 8 and the positioning holes 7 are aligned one by one, the upper pressing plate 1 is covered on the lower pressing plate 2, and therefore the blade 14 is clamped between the upper pressing plate 1 and the lower pressing plate 2. The second protrusion 5 of the present embodiment can limit the lower edge of the blade 14, so that the blade 14 can be more accurately positioned on the lower pressing plate 2, and the blade 14 can be uniquely fixed at the most correct position after the upper pressing plate 1 and the lower pressing plate 2 are covered.

The above description is only an example of the present invention, and the detailed technical solutions and/or characteristics known in the solutions are not described too much here. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. A narrow blade hold down characterized by: the tool comprises an upper pressing plate and a lower pressing plate, wherein a first bulge matched with a tool groove is arranged on the lower pressing plate, and the width of the first bulge is smaller than or equal to that of the tool groove; the lower pressing plate is provided with a second protrusion for limiting the blade, and the upper pressing plate is provided with a through groove matched with the second protrusion.

2. A narrow blade hold down according to claim 1 in which: the upper pressing plate is provided with a positioning hole, the lower pressing plate is provided with a convex column, and the convex column can be inserted into the positioning hole and is in transition fit or interference fit with the positioning hole.

3. A narrow blade hold down according to claim 2 in which: the positioning hole is a round hole, and the convex column is a cylinder.

4. A narrow blade hold down according to claim 2 in which: the positioning holes are multiple, and the convex columns correspond to the positioning holes one to one.

5. A narrow blade hold down according to claim 1 in which: the one side that deviates from the blade on the top board is first face of supporting, is equipped with first screw hole on the first face of supporting perpendicularly, first screw hole internal thread complex first bolt.

6. A narrow blade hold down according to claim 1 in which: and a wedge surface is arranged at one end of the lower pressing plate close to the blade.

7. A narrow blade hold down according to claim 1 in which: and an adjusting mechanism for adjusting the height of the cutting edge of the blade is arranged on the lower surface of the upper pressure plate.

8. A narrow blade hold down according to claim 7 in which: the adjusting mechanism comprises a second threaded hole and a second bolt, and the second threaded hole is in threaded fit with the second bolt.

9. A narrow blade hold down according to claim 1 in which: and a chamfer is arranged on one side of the second protrusion facing the blade.

10. A narrow blade hold down according to claim 1 in which: the upper pressing plate is made of aluminum, and the lower pressing plate is made of stainless steel 1Cr 13.