CN209288369U - A kind of drill bit - Google Patents
A kind of drill bit Download PDFInfo
- Publication number
- CN209288369U CN209288369U CN201822205849.9U CN201822205849U CN209288369U CN 209288369 U CN209288369 U CN 209288369U CN 201822205849 U CN201822205849 U CN 201822205849U CN 209288369 U CN209288369 U CN 209288369U
- Authority
- CN
- China
- Prior art keywords
- drillstock
- drilling rod
- locating piece
- connecting rod
- side wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to the technical fields of boring bar tool, disclose a kind of drill bit, including drillstock, drilling rod and cutter head, the drilling rod is fixedly connected with cutter head, the drilling rod is plugged in the drillstock and is removably connected to the drillstock by connection structure, and the connection structure includes connecting rod and locating piece, and the connecting rod is fixedly connected on the drilling rod, the locating piece is fixed on the inner sidewall of the drillstock, and the connecting rod is cooperatively connected in the locating piece.The utility model has the following advantages that and effect: this programme utilizes new mechanical structure, it is abutted by the fixed clamping block of the connecting rod on drilling rod with the cooperation of the locating piece on drillstock inner sidewall, realize being detachably connected for drilling rod and cutter head and drillstock, to be replaced when cutter head damages or wears, the waste of resource is avoided；Achieve the purpose that avoid influencing working efficiency by convenient and fast replacement operation simultaneously.
Description
Technical field
The utility model relates to the technical fields of boring bar tool, more particularly, to a kind of drill bit.
Background technique
Drill bit be on solid material drilling go out through-hole or blind hole, and can be to the cutter of existing hole reaming；It is common
Drill bit mainly have fluted drill, chit drill, centre drill, depth drill and cylindrical drill；Existing drill bit is generally made of hard alloy.
Drill bit in the prior art is usually integrally formed, and when the damage of the blade of drill bit or abrasion, drill bit is substantially
It scraps, this has resulted in the wasting of resources, still has much room for improvement.
Utility model content
In view of the deficienciess of the prior art, the utility model lies in that provide a kind of drill bit, when drill bit blade damage or
When person is worn, it can avoid entire drill bit and directly scrap, reduce the waste of resource.
To achieve the above object, the utility model provides following technical solution:
A kind of drill bit, including drillstock, drilling rod and cutter head, the drilling rod are fixedly connected with cutter head, and the drilling rod is plugged in institute
It states drillstock and the drillstock is removably connected to by connection structure, the connection structure includes connecting rod and locating piece, described
Connecting rod is fixedly connected on the drilling rod, and the locating piece is fixed on the inner sidewall of the drillstock, the connecting rod cooperation
It is connected to the locating piece.
By using above-mentioned technical proposal, drilling rod is fixedly connected with cutter head, in the connecting rod on drilling rod and drillstock inner sidewall
Locating piece be cooperatively connected, being detachably connected for drilling rod and drillstock is realized, to can be replaced when cutter head damages or wears
It changes, avoids the waste of resource；Achieve the purpose that avoid influencing working efficiency by convenient and fast replacement operation simultaneously.
The utility model is further arranged to: clamping block is formed in the connecting rod, the clamping block can be connected to institute
State locating piece.
By using above-mentioned technical proposal, the clamping block formed in connecting rod is connected to locating piece, to work as drilling rod and knife
When head is plugged in drillstock, it will not be pulled out easily.
The utility model is further arranged to: scarf, shape on the locating piece are formed on the side wall of the clamping block
The inclined surface of the cooperation of scarf described in Cheng Youyu.
By using above-mentioned technical proposal, the inclined surface that is formed on the scarf and locating piece that are formed on the side wall of clamping block
Cooperation keeps the dismounting of drilling rod and cutter head and drillstock more convenient so as to assist the abutting of clamping block and locating piece and be detached from process.
The utility model is further arranged to: the drilling rod is positioned by location structure.
It is on the one hand the grafting process guide of drilling rod and drillstock by location structure, separately by using above-mentioned technical proposal
On the one hand pass through convenient abutting and the separation process for realizing clamping block and locating piece of location structure.
The utility model is further arranged to: the location structure includes salient point, groove, limited block and limiting slot, described
Limited block is formed on the side wall of the drilling rod, and the salient point is formed in the side wall of the limited block, and the limiting slot is formed in
On the inner sidewall of the drillstock, the groove is formed on the side wall of the limiting slot, and the limited block can accommodate and described
It is slid in limiting slot, the salient point can be connected in the corresponding groove.
By using above-mentioned technical proposal, limited block and limiting slot are oriented to the cooperation for being combined into connecting rod and locating piece；
It when the groove and salient point of lower part are clamped, prompts connecting rod corresponding with locating piece, needs to carry out connecting rod by pressure ram at this time
Squeeze the abutting for assisting realizing clamping block and locating piece；When the abutting of clamping block and locating piece, salient point is connected in top
Groove when, limited block is connected to limiting slot, realizes that stablizing for drilling rod is fixed, avoids drilling rod sliding into drillstock in boring procedure
It is dynamic.
The utility model is further arranged to: the connecting rod is controlled by driving structure.
By using above-mentioned technical proposal, driving structure controls the opposing compression of connecting rod, to make clamping block and positioning
The abutting of block is more easily implemented.
The utility model is further arranged to: the driving structure includes pressure ram and crushing block, and pressure ram is plugged in institute
It states on the side wall of drillstock and the corresponding side wall for being connected to the connecting rod, the crushing block is fixedly connected on the pressure ram,
And it is arranged in the side wall of the drillstock.
By using above-mentioned technical proposal, connecting rod side wall is connected to by the pressure ram being plugged on drillstock side wall and is carried out
Squeeze the mutual extrusion operation realized to connecting rod；It is connected on pressure ram and the crushing block for being arranged in drillstock side wall is convenient for from outer
Realize the extrusion operation to connecting rod in portion.
The utility model is further arranged to: being fixed with sliding plate on the pressure ram, is formed in the side wall of the drilling rod
There is the sliding slot for sliding plate sliding.
By using above-mentioned technical proposal, the sliding plate formed on pressure ram can slide in corresponding sliding slot, to realize
While pressure ram is connected with drillstock side wall, the extrusion operation of pressure ram is realized in cooperation.
In conclusion the utility model has the following beneficial effects:
1. drilling rod is fixedly connected with cutter head, determined by the fixed clamping block of the connecting rod on drilling rod on drillstock inner sidewall
The cooperation abutting of position block, realization drilling rod and drillstock are detachably connected, thus can be replaced when cutter head damages or wears,
Avoid the waste of resource；Achieve the purpose that avoid influencing working efficiency by convenient and fast replacement operation simultaneously；
2. limited block and limiting slot are oriented to the cooperation for being combined into connecting rod and locating piece；The groove and salient point of lower part are clamped
When, it prompts connecting rod corresponding with locating piece, needs that connecting rod is carried out squeezing to assist to realize clamping by pressure ram at this time
The abutting of block and locating piece；When the abutting of clamping block and locating piece, when salient point is connected in the groove on top, limited block is connected to
Limiting slot realizes that stablizing for drilling rod is fixed, drilling rod is avoided to slide in boring procedure into drillstock；
It realizes 3. being connected to connecting rod side wall by the pressure ram being plugged on drillstock side wall and squeeze to connecting rod
Mutual extrusion operation；It is connected on pressure ram and the crushing block for being arranged in drillstock side wall is convenient for the realization from outside to squeeze connecting rod
Press operation.
Detailed description of the invention
Fig. 1 is the configuration schematic diagram of the present embodiment；
Fig. 2 is the connecting rod of the present embodiment and the partial schematic sectional view that locating piece is cooperatively connected.
Appended drawing reference: 1, drillstock；2, drilling rod；21, sliding slot；3, cutter head；4, connection structure；5, connecting rod；51, clamping block；
52, scarf；6, locating piece；61, inclined surface；7, driving structure；71, pressure ram；72, crushing block；73, sliding plate；8, it positions
Structure；81, limited block；82, limiting slot；83, salient point；84, groove.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of drill bit, as shown in Figure 1, 2, including drillstock 1, drilling rod 2 and cutter head 3, drilling rod 2 are fixedly connected with cutter head 3, drilling rod
2 are plugged in drillstock 1 and are removably connected to drillstock 1 by connection structure 4, thus can be replaced after cutter head 3 is worn, and
Without cancelling entire drill bit, the waste of resource is avoided.
As shown in Fig. 2, connection structure 4 includes connecting rod 5, two connecting rods 5 are fixedly connected on the both ends at 2 top of drilling rod,
To make two connecting rods 5 can opposing compression；It is formed with clamping block 51 on the side wall being located remotely from each other in two connecting rods 5, is clamped
Block 51 is formed with from top to bottom towards the inclined scarf 52 in side close to drilling rod 2 on the side wall of drillstock 1.
As shown in Fig. 2, connection structure 4 further includes locating piece 6, two locating pieces 6 are individually fixed in the inner sidewall of drillstock 1
It both ends and is respectively corresponded with two connecting rods 5, clamping block 51 can be connected to corresponding locating piece 6, the opposite side of two locating pieces 6
The inclined surface 61 cooperated with corresponding scarf 52 is formed on wall, to make the clamping of clamping block 51 with corresponding locating piece 6
It can be carried out under the cooperation of scarf 52 and inclined surface 61 auxiliary with being detached from, operation is made to be easier to realize.
As shown in Figure 1, 2, connecting rod 5 realizes opposite extruding by the control of driving structure 7, thus make clamping block 51 with it is right
The clamping and disengaging operation for the locating piece 6 answered are more convenient.
As shown in Fig. 2, driving structure 7 includes pressure ram 71 and crushing block 72, pressure ram 71 is plugged on the side wall of drillstock 1
And the corresponding side wall for being connected to connecting rod 5, crushing block 72 are fixedly connected on pressure ram 71 and are arranged in the side wall of drillstock 1, from
And convenient for pushing the opposing compression of two pressure rams 71 from the lateral wall of drillstock 1.
As shown in Fig. 2, the upper center of pressure ram 71 is fixed with sliding plate 73, it is formed in the side wall of drilling rod 2 for sliding
The sliding slot 21 that plate 73 slides, when being squeezed by crushing block 72 pressure ram 71, sliding plate 73 can cooperate sliding in sliding slot 21
It moves, so that pressure ram 71 be made to keep the connection with drillstock 1, while connecting rod 5 can be squeezed again.
As shown in Figure 1, 2, drilling rod 2 is positioned by location structure 8, and the Primary Location of connecting rod 5 is realized by location structure 8
And stablizes and fix.
As shown in Figure 1, 2, location structure 8 includes limited block 81 and limiting slot 82, and limited block 81 is formed in the side wall of drilling rod 2
Both ends, limiting slot 82 are formed in the inner sidewall both ends of drillstock 1, and limited block 81 can be placed in limiting slot 82 and slide in limiting slot 82
It moves；The connection of drillstock 1 and drilling rod 2 is oriented to by the cooperation of limited block 81 and limiting slot 82, i.e., by limited block 81 and limiting slot
82 correspondences correspond to each other connecting rod 5 and locating piece 6.
As shown in Figure 1, 2, location structure 8 further includes salient point 83 and groove 84, and salient point 83 is formed in limited block 81 close to brill
On the side wall of 1 inner sidewall of handle, groove 84 is formed on the side wall of the corresponding salient point 83 of limiting slot 82, and the same limiting slot 82 is upper
Lower both ends are formed there are two groove 84, and salient point 83 can be connected in corresponding groove 84.
The concrete operations process of the present embodiment is as follows:
When installing drilling rod 2 and cutter head 3, first by the grafting corresponding with limiting slot 82 of limited block 81, when the clamping of salient point 83 to limit
In the groove 84 of position 82 lower part of slot, with two crushing blocks 72 of hand opposing compression, two pressure rams 71 is made to squeeze two connections respectively
The side wall of bar 5 makes two 5 relative motions of connecting rod, then proceedes to push drilling rod 2 to the movement inside drillstock 1, at this time clamping block
51 are connected on locating piece 6, and the top of limited block 81 is connected to the roof of limiting slot 82, while salient point 83 is connected in limiting slot 82
The groove 84 on top, is achieved in being stably connected with for drilling rod 2 and cutter head 3 and drillstock 1, and passes through limited block 81 and limiting slot 82
Abutting avoids drilling rod 2 and cutter head 3 when drilling from continuing to move into drillstock 1, keeps boring procedure more stable.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of drill bit, including drillstock (1), drilling rod (2) and cutter head (3), it is characterised in that: the drilling rod (2) and cutter head (3) are logical
Connection structure (4) to be crossed to be removably connected to the drillstock (1), the connection structure (4) includes connecting rod (5) and locating piece (6),
The connecting rod (5) is fixedly connected on the drilling rod (2), and the locating piece (6) is fixed on the inner sidewall of the drillstock (1)
On, the connecting rod (5) is cooperatively connected in the locating piece (6).
2. a kind of drill bit according to claim 1, it is characterised in that: clamping block (51) are formed on the connecting rod (5),
The clamping block (51) can be connected to the locating piece (6).
3. a kind of drill bit according to claim 2, it is characterised in that: be formed with beveling on the side wall of the clamping block (51)
Face (52) cooperates on the locating piece (6) scarf (52) to be formed with the inclined surface with the scarf (52) cooperation
(61)。
4. a kind of drill bit according to claim 2, it is characterised in that: the drilling rod (2) is positioned by location structure (8).
5. a kind of drill bit according to claim 4, it is characterised in that: the location structure (8) includes salient point (83), groove
(84), limited block (81) and limiting slot (82) are formed with limited block (81) on the side wall of the drilling rod (2), the salient point (83)
It is formed in the side wall of the limited block (81), the limiting slot (82) is formed on the inner sidewall of the drillstock (1), the groove
(84) it being formed on the side wall of the limiting slot (82), the limited block (81) can accommodate and be connected to the limiting slot (82),
The salient point (83) can be connected in the corresponding groove (84).
6. a kind of drill bit according to claim 2, it is characterised in that: the connecting rod (5) is controlled by driving structure (7)
System.
7. a kind of drill bit according to claim 6, it is characterised in that: the driving structure (7) include pressure ram (71) with
Crushing block (72), pressure ram (71) is plugged on the side wall of the drillstock (1) and the corresponding side wall for being connected to the drilling rod (2),
The crushing block (72) is fixedly connected on the pressure ram (71), and is arranged in the side wall of the drillstock (1).
8. a kind of drill bit according to claim 7, it is characterised in that: be fixed with sliding plate on the pressure ram (71)
(73), the sliding slot (21) for the sliding plate (73) sliding is formed in the side wall of the drilling rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822205849.9U CN209288369U (en) | 2018-12-26 | 2018-12-26 | A kind of drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822205849.9U CN209288369U (en) | 2018-12-26 | 2018-12-26 | A kind of drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209288369U true CN209288369U (en) | 2019-08-23 |
Family
ID=67648811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822205849.9U Expired - Fee Related CN209288369U (en) | 2018-12-26 | 2018-12-26 | A kind of drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209288369U (en) |
-
2018
- 2018-12-26 CN CN201822205849.9U patent/CN209288369U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190823 Termination date: 20211226 |