CN218694205U

CN218694205U - Anti-fracture high-speed steel straight shank twist drill with shock absorption function

Info

Publication number: CN218694205U
Application number: CN202222993361.3U
Authority: CN
Inventors: 徐增荣
Original assignee: Yangzhou Feiling Tools Co ltd
Current assignee: Yangzhou Feiling Tools Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-03-24
Anticipated expiration: 2032-11-10

Abstract

The utility model discloses an anti-fracture high-speed steel straight shank twist drill with bradyseism function, belong to the twist drill field, including the twist drill subassembly, twist drill head structure is including linking pole and the drilling rod of setting in linking pole one side, one side that the drilling rod was kept away from to the linking pole is provided with the rubber pole, the other end of rubber pole is connected with the bradyseism board, handheld piece that draws, utilize connecting spring's elasticity, outwards stimulate the piece that draws, linking board and reference column are in the cell cavity this moment, loosen the piece that draws, utilize connecting spring self to restore, can make the reference column insert in the locating hole, can tentatively fix a position the position of linking pole, and the construction bolt that utilizes the setting can carry out fixed mounting with linking pole and straight shank pole, otherwise then can dismantle both, be convenient for change helical drill head structure, when using in twist drill head structure simultaneously, the rubber pole and the bradyseism effect that can effectively play the bradyseism of utilizing the setting, the vibrations that twist drill head structure produced can be reduced.

Description

Anti-fracture high-speed steel straight shank twist drill with shock absorption function

Technical Field

The utility model relates to a twist drill, more specifically the utility model relates to a prevent straight handle twist drill of high-speed steel that splits with bradyseism function that says so.

Background

Twist drills are tools that drill round holes in a workpiece by rotary cutting thereof about a fixed axis. The flute is spiral and shaped like twist. The helical groove has 2, 3 or more grooves, but 2 grooves are most common. Twist drills can be used clamped on hand-held drilling tools, both manual and electric, or drilling, milling, turning and even machining centers. The bit material is typically high speed tool steel or cemented carbide.

When using, the existing straight steel shank twist drill rotates through the motor to finish the cutting work of a workpiece, but in the using process, the damping effect of the straight steel shank twist drill is not good, if a large vibration is generated in the machining process, the machining of the workpiece can be influenced, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome among the prior art steel straight shank twist drill's bradyseism effect not fine, if produce great vibrations in the course of working, then can influence the processing of work piece, the practicality is relatively poor, provides a prevent high-speed steel straight shank twist drill of splitting with bradyseism function to it is not enough more than solving, facilitates the use.

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses an anti-fracture high-speed steel straight shank twist drill with a cushioning function, which comprises a twist drill component, wherein the twist drill component comprises a straight shank rod and a twist drill head structure arranged at the lower end of the straight shank rod, a positioning structure is arranged at the outer side of the straight shank rod, a mounting bolt is also arranged at the outer side of the straight shank rod, and the mounting bolt is positioned at one side of the positioning structure;

the spiral drill head structure comprises a joint rod and a drill rod arranged on one side of the joint rod, a rubber rod is arranged on one side, away from the drill rod, of the joint rod, and the other end of the rubber rod is connected with a shock absorption plate.

Preferably, the straight handle rod is internally provided with a placement cavity, the inner wall of the placement cavity is further provided with side grooves, and the side grooves are provided with two groups.

Preferably, the auger head structure further comprises a side block arranged on the outer side of the connecting rod and a positioning hole arranged on the surface of the connecting rod, and the side block is connected to the inner side of the side groove in a sliding mode.

Preferably, two groups of side blocks are arranged, and the two groups of side blocks are symmetrically distributed about the central line of the connecting rod.

Preferably, the lateral wall of the side block is provided with an accommodating cavity, and balls are uniformly arranged inside the accommodating cavity.

Preferably, the inside of drilling rod is provided with strengthens the sheet layer, strengthens the inboard on sheet layer and is provided with the billet, and billet evenly distributed is in the inside of drilling rod.

Preferably, the positioning structure comprises a pulling block and a slot cavity arranged on one side of the pulling block, the slot cavity is inserted in the arranging cavity, and one end, far away from the pulling block, of the slot cavity is provided with a connecting plate.

Preferably, the positioning structure further comprises a pull rod arranged on the inner wall of the straight handle rod and a connecting spring wound outside the groove cavity, positioning columns are uniformly arranged on the surface of the connecting plate, and the positioning columns are matched with the positioning holes.

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

compared with the prior art, the beneficial effects of the utility model are as follows:

(1) The utility model discloses an anti-fracture high-speed steel straight shank twist drill with bradyseism function, through the draw block that sets up, the coupling spring, link plate and reference column, operating personnel holds the draw block, utilize the elasticity of coupling spring, outwards stimulate the draw block, link plate and reference column are in the cell cavity this moment, then hold the drilling rod, and align link rod and arrangement chamber each other, slide the side piece into the side inslot simultaneously, until the bradyseism board contacts with the roof of arrangement intracavity portion, locating hole and reference column are in the same water flat line simultaneously, then loosen the draw block, utilize coupling spring self restoring force, can make the reference column insert in the locating hole, can tentatively fix a position the position of link rod, and utilize the construction bolt that sets up to carry out fixed mounting with link rod and straight shank pole, otherwise can dismantle both, be convenient for changing the structure of spiral drill head, when the structure of spiral drill head uses, the rubber pole and the bradyseism board that set up can effectively play the bradyseism effect, can reduce the vibrations that the spiral drill produces;

(2) The utility model discloses a prevent straight handle twist drill of high-speed steel that splits with bradyseism function, the side piece slides in the side groove, the ball that utilizes to set up this moment can effectively reduce the wearing and tearing between side piece and the side groove, convenient to use utilizes the drilling rod to add man-hour to the work piece simultaneously, the inside of drilling rod is provided with strengthens sheet layer and billet, and billet evenly distributed is in the inside of drilling rod, can strengthen the intensity of drilling rod, avoid adding man-hour and produce the fracture, excellent in use effect.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

fig. 2 is a schematic view of an auger head structure according to the present invention;

FIG. 3 is a schematic view of the positioning structure of the present invention;

fig. 4 is an enlarged schematic view of the utility model at a in fig. 2;

FIG. 5 is a schematic view of the internal structure of the drill rod of the present invention;

fig. 6 is a schematic view of the side block structure of the present invention.

In the figure: 1. a twist drill assembly; 11. a straight shank; 111. a placement cavity; 112. a side groove; 12. an auger head structure; 121. a connecting rod; 1211. a rubber rod; 1212. a cushioning plate; 122. a side block; 1221. an accommodating cavity; 1222. a ball bearing; 123. positioning holes; 124. a drill stem; 1241. a reinforcing ply; 1242. a steel bar; 13. a positioning structure; 131. pulling the block; 132. a pull rod; 133. a slot cavity; 134. a connector tile; 135. a connecting spring; 136. a positioning column; 14. and (6) installing a bolt.

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.

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.

Combine fig. 1, the utility model discloses a prevent straight handle twist drill of high-speed steel with bradyseism function, including twist drill subassembly 1, twist drill subassembly 1 includes straight shank 11 and sets up at the spiral drill head structure 12 of straight shank 11 lower extreme, and the outside of straight shank 11 is provided with location structure 13, and the outside of straight shank 11 still is provided with mounting bolt 14, and mounting bolt 14 is in one side of location structure 13.

The present invention will be further described with reference to the following examples.

The first embodiment is as follows:

referring to fig. 2 to 4, the auger head structure 12 includes a joint rod 121 and a drill rod 124 disposed on one side of the joint rod 121, a rubber rod 1211 disposed on one side of the joint rod 121 away from the drill rod 124, and a damping plate 1212 connected to the other end of the rubber rod 1211.

The inside of straight shank 11 is seted up and is settled chamber 111, still has seted up side groove 112 on the inner wall of settling chamber 111, and side groove 112 is provided with two sets, and side groove 112 is used for sliding into side piece 122.

The auger head structure 12 further includes a side block 122 disposed outside the connecting rod 121 and a positioning hole 123 opened on the surface of the connecting rod 121, and the side block 122 is slidably connected inside the side groove 112.

Two sets of lateral masses 122 are provided, and the two sets of lateral masses 122 are symmetrically distributed about the centerline of the connecting rod 121.

Location structure 13 is including drawing piece 131 and setting up the slot cavity 133 in drawing piece 131 one side, and slot cavity 133 alternates on settling the chamber 111, and the one end that slot cavity 133 kept away from drawing piece 131 is provided with joint board 134.

The positioning structure 13 further includes a pull rod 132 disposed on the inner wall of the straight rod 11 and a connection spring 135 wound around the outside of the slot 133, and positioning posts 136 are uniformly disposed on the surface of the connection plate 134, and the positioning posts 136 are adapted to the positioning holes 123.

In this embodiment, when the auger bit structure 12 is used, an operator holds the pulling block 131 by hand, pulls the pulling block 131 outwards by using the elasticity of the connecting spring 135, and then the connecting plate 134 and the positioning column 136 are located in the groove cavity 133, then holds the drill rod 124, aligns the connecting rod 121 and the placing cavity 111 with each other, and slides the side block 122 into the side groove 112 until the vibration damping plate 1212 contacts with the top wall inside the placing cavity 111, and meanwhile, the positioning hole 123 and the positioning column 136 are located on the same horizontal line, and then releases the pulling block 131, and by using the self restoring force of the connecting spring 135, the positioning column 136 can be inserted into the positioning hole 123, so that the position of the connecting rod 121 can be preliminarily positioned, the connecting rod 121 and the straight shank 11 can be fixedly installed by using the installed mounting bolt 14, otherwise, the connecting rod 121 and the straight shank 11 can be detached, so as to facilitate replacement of the auger bit structure 12, and when the auger bit structure 12 is used, the rubber rod 1211 and the vibration damping plate 1212 can effectively play a role of damping, so as to reduce vibration generated by the auger bit 12.

Example two:

with reference to fig. 5 and 6, a containing cavity 1221 is opened on the side wall of the side block 122, and balls 1222 are uniformly arranged inside the containing cavity 1221.

The inside of drilling rod 124 is provided with reinforcing plate layer 1241, and the inboard of reinforcing plate layer 1241 is provided with billet 1242, and billet 1242 evenly distributed is in the inside of drilling rod 124.

In this embodiment, when assembling, the side block 122 slides into the side groove 112, and the ball 1222 that utilizes to set up can effectively reduce the wearing and tearing between side block 122 and the side groove 112 this moment, convenient to use, utilizes the drilling rod 124 to add man-hour to the work piece simultaneously, and the inside of drilling rod 124 is provided with reinforcing plate layer 1241 and billet 1242, and billet 1242 evenly distributed is in the inside of drilling rod 124, can strengthen the intensity of drilling rod 124, avoids producing the fracture when adding man-hour, excellent in use effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent straight handle twist drill of high-speed steel of fracture with bradyseism function, includes twist drill subassembly (1), its characterized in that: the twist drill assembly (1) comprises a straight shank rod (11) and a twist drill head structure (12) arranged at the lower end of the straight shank rod (11), a positioning structure (13) is arranged on the outer side of the straight shank rod (11), a mounting bolt (14) is further arranged on the outer side of the straight shank rod (11), and the mounting bolt (14) is located on one side of the positioning structure (13);

the spiral drill head structure (12) comprises a joint rod (121) and a drill rod (124) arranged on one side of the joint rod (121), a rubber rod (1211) is arranged on one side, away from the drill rod (124), of the joint rod (121), and the other end of the rubber rod (1211) is connected with a cushioning plate (1212).

2. The anti-fracture high-speed steel straight shank twist drill with the shock absorption function as claimed in claim 1, is characterized in that: a placement cavity (111) is formed in the straight handle rod (11), side grooves (112) are formed in the inner wall of the placement cavity (111), and two groups of side grooves (112) are formed in each group.

3. The anti-fracture high-speed steel straight shank twist drill with the shock absorption function as claimed in claim 2, is characterized in that: the auger head structure (12) further comprises a side block (122) arranged on the outer side of the connecting rod (121) and a positioning hole (123) formed in the surface of the connecting rod (121), and the side block (122) is connected to the inner side of the side groove (112) in a sliding mode.

4. The anti-fracture high-speed steel straight shank twist drill with the shock absorption function as claimed in claim 3, is characterized in that: the lateral blocks (122) are provided with two groups, and the two groups of lateral blocks (122) are symmetrically distributed around the central line of the connecting rod (121).

5. The anti-fracture high-speed steel straight shank twist drill with the shock absorption function as claimed in claim 4, is characterized in that: the side wall of the side block (122) is provided with an accommodating cavity (1221), and balls (1222) are uniformly arranged inside the accommodating cavity (1221).

6. The anti-fracture high-speed steel straight shank twist drill with the shock absorption function as claimed in claim 5, is characterized in that: the drill rod is characterized in that a reinforcing plate layer (1241) is arranged inside the drill rod (124), steel bars (1242) are arranged on the inner side of the reinforcing plate layer (1241), and the steel bars (1242) are uniformly distributed inside the drill rod (124).

7. The anti-fracture high-speed steel straight shank twist drill with the shock absorption function as claimed in claim 6, is characterized in that: location structure (13) are including drawing piece (131) and setting up slot (133) in drawing piece (131) one side, and slot (133) alternate on settling chamber (111), and the one end that slot (133) kept away from and draw piece (131) is provided with linking plate (134).

8. The anti-fracture high-speed steel straight shank twist drill with the shock absorption function as claimed in claim 7, is characterized in that: the positioning structure (13) further comprises a pull rod (132) arranged on the inner wall of the straight handle rod (11) and a connecting spring (135) wound on the outer side of the groove cavity (133), positioning columns (136) are uniformly arranged on the surface of the connecting plate (134), and the positioning columns (136) are matched with the positioning holes (123).