CN210498019U

CN210498019U - Separating flaring gun head

Info

Publication number: CN210498019U
Application number: CN201921328922.XU
Authority: CN
Inventors: 李凯; 谈小良; 余从宝
Original assignee: Changzhou Hengchuang Heat Management Co ltd
Current assignee: Changzhou Hengchuang Heat Management Co ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-05-12
Anticipated expiration: 2029-08-16

Abstract

The utility model belongs to the technical field of the flaring instrument, especially, relate to a disconnect-type flaring rifle head, including rifle head, gun case and locking setting element, the installation cavity has been seted up on the gun case, the afterbody of rifle head passes through the locking setting element is fixed to be set up in the installation cavity. Has the advantages that: the separated flaring gun head of the utility model reduces the impact force borne by the gun head, reduces the risk of breakage of the gun head and ensures the operation safety by reforming the integrated flaring gun head into the separated flaring gun head; by means of the separated design of the flaring gun head, material loss is reduced when the gun head is damaged, and production cost is reduced; when the gun head is damaged, the gun head is convenient to replace and maintain, production can be recovered more quickly, time is saved, and production efficiency is improved; the gun head is locked and positioned in the mounting cavity of the gun sleeve through the locking positioning piece, the positioning of the gun head is stable and reliable, and the gun head is convenient to mount and dismount; because the rifle head can be dismantled, the application scope of gun case is wider, can change the rifle head of different models according to different products.

Description

Separating flaring gun head

Technical Field

The utility model belongs to the technical field of the flaring instrument, especially, relate to a disconnect-type flaring rifle head.

Background

The flaring gun heads used in the prior production are all integrated, the tail of the gun head is required to be connected with a pneumatic interface of a handheld main body part in the using process of the gun head, the gun head is extruded into a flaring position of a product through the expansion and contraction of the pneumatic part to achieve the flaring effect, but because the inner diameter after flaring is not more than 5mm, the connecting position of the tail of the flaring gun head and the pneumatic interface needs about 10mm to be connected with the pneumatic interface, so that the prior flaring gun head is made into a multi-step form, the main flaring part with small diameter at the front end and the tail of the flaring gun head are made into a proper size capable of being connected with the pneumatic interface, the stress area of the flaring part at the front end is small, but the phenomenon of main impact force during flaring is borne, and the flaring part is easy to break; on the other hand, because the flaring process is carried out by a worker holding a pneumatic flaring tool, the action direction of force may be inconsistent with the flaring direction in the operation process, and the risk of breakage of the flaring gun head is increased. The breakage of the gun head every time can cause personnel injury, and the gun head can be recovered after being reprocessed or replaced, thereby delaying time, reducing production efficiency and increasing production cost.

Therefore, a series of problems caused by the loss of the gun head are solved, the production process can be carried out more continuously and effectively, and the method has important significance.

SUMMERY OF THE UTILITY MODEL

For the problem of the easy loss of flaring rifle head that solves prior art existence, the utility model provides a disconnect-type flaring rifle head.

For solving the technical problem, the utility model discloses a technical scheme as follows, a disconnect-type flaring rifle head, including rifle head, gun case and locking setting element, the installation cavity has been seted up on the gun case, the afterbody of rifle head passes through the locking setting element is fixed to be set up in the installation cavity.

Preferably, the locking positioning part comprises a bolt, a positioning groove is formed in the circumferential surface of the tail part of the gun head, the bolt is in threaded connection with the gun sleeve, and the end part of the bolt abuts against the inside of the positioning groove.

Preferably, the number of the bolts is 1-4, and when the number of the bolts is larger than 1, the bolts are uniformly distributed along the circumferential direction of the lance head.

Preferably, the locking positioning part comprises a first limiting flange and a first locking thread arranged at the tail part of the gun head, the tail part of the gun head is in threaded connection with the installation cavity through the first locking thread, the first limiting flange is fixedly arranged in the middle of the gun head, and the first limiting flange is in contact with the end part of the installation cavity.

Preferably, the cross section of the first position-defining flange is a regular hexagon.

Furthermore, the locking positioning part comprises a second limiting flange and a shaft sleeve, the second limiting flange is fixedly arranged in the middle of the gun head, a second locking thread is arranged in an inner cavity of the shaft sleeve, the shaft sleeve is in threaded connection with the gun sleeve through the second locking thread, the head of the gun head penetrates through the shaft sleeve, and the second limiting flange is located between the gun sleeve and the shaft sleeve.

Has the advantages that:

(1) the utility model discloses a disconnect-type flaring rifle head, through reform transform integral type flaring rifle head into disconnect-type flaring rifle head, reduce the impact force that the rifle head position received, reduce the cracked risk of rifle head for operating personnel's safety obtains better guarantee;

(2) the separating flaring gun head of the utility model is designed separately, so that the material loss when the gun head is damaged is reduced, and the production cost is reduced;

(3) the separating type flaring gun head in the separating type flaring gun head of the utility model has the advantages that when the gun head is damaged, the replacement and the maintenance are convenient, the production can be recovered more quickly, the time is saved, and the production efficiency is improved;

(4) the utility model discloses a disconnect-type flaring rifle head, through locking setting element with rifle head locking location in the installation cavity of gun case, the location of rifle head is reliable and stable, and the installation of rifle head convenient to dismantle.

(5) The utility model discloses a disconnect-type flaring rifle head, because of the rifle head can be dismantled, the application scope of gun case is wider, can change the rifle head of different models according to different products.

Drawings

Fig. 1 is a schematic perspective view of a separation type flaring gun head according to embodiment 1 of the present invention;

figure 2 is an exploded schematic view of example 1 of a split flaring gun head according to the present invention;

figure 3 is a schematic perspective view of two different types of lances according to example 1;

fig. 4 is a schematic perspective view of the pneumatic flare gun of the present embodiment 1;

fig. 5 is a schematic perspective view of a separation type flaring gun head according to embodiment 2 of the present invention;

figure 6 is a schematic cross-sectional view of embodiment 2 of a split flaring gun head according to the present invention;

fig. 7 is a schematic perspective view of a separation type flaring gun head according to embodiment 3 of the present invention;

figure 8 is a schematic cross-sectional view of embodiment 3 of a split flaring gun head according to the present invention;

in the figure: 1. the gun comprises a gun head, 11, a positioning groove, 12, a first locking thread, 2, a gun sleeve, 21, a mounting cavity, 31, a bolt, 32, a first limiting flange, 33, a second limiting flange, 34, a shaft sleeve, 341, a second locking thread, 4, a handheld main body, 41, a pneumatic interface, 42, a handle, 43 and a switch.

Detailed Description

Example 1

As shown in fig. 1 and 2, a split type flaring gun head comprises a gun head 1, a gun sleeve 2 and a locking positioning piece, wherein a mounting cavity 21 is formed at the front end of the gun sleeve 2, and the tail of the gun head 1 is fixedly arranged in the mounting cavity 21 through the locking positioning piece; the locking positioning piece comprises a bolt 31, a positioning groove 11 is formed in the circumferential surface of the tail part of the gun head 1, the bolt 31 is in threaded connection with the gun sleeve 2, and the end part of the bolt 31 abuts against the positioning groove 11; the number of the bolts 31 is 1-4, and when the number of the bolts 31 is larger than 1, the bolts 31 are uniformly distributed along the circumferential direction of the gun head 1; the bolts 31 of the embodiment are inner hexagon bolts, and the number of the bolts 31 is 2; as shown in fig. 3, the gun head 1 is detachable, so that the application range of the gun case 2 is wider, and the gun heads 1 of different models can be replaced according to different products.

As shown in fig. 4, a pneumatic flaring gun comprises a handheld main body 4 and the above-mentioned separated flaring gun head, wherein the tail part of the gun sleeve 2 is connected with a pneumatic interface 41 of the handheld main body 4; the gun head device is characterized in that an air cylinder for driving the gun sleeve 2 to reciprocate is arranged in the handheld main body 4, the movement direction of the gun sleeve 2 is consistent with the axis direction of the gun head 1, a handle 42 is arranged on the handheld main body 4, and a switch 43 for controlling the start and stop of the air cylinder is arranged at the handle 42. The position of the gun head 1 is adjusted, the bolt 31 is screwed down to lock and position the gun head 1 in the mounting cavity 21, the requirement of required flaring can be met, and then the tail part of the gun sleeve 2 is connected into the pneumatic interface 41 of the handheld main body 4 and fixed to carry out production.

The utility model discloses a disconnect-type flaring rifle head, mainly separate out the position that will play the flaring effect from flaring rifle head is whole, make rifle head 1 have bigger operable space, for example adopt the material that the performance is more superior; the lance tip 1 can better withstand the impact of external forces during use. According to the performance in actual production: the daily yield of the produced flaring products at present requires 2 thousands of sets, the products are made of rustproof aluminum materials, the hardness is high, when 10283 sets of old integrated flaring gun heads are produced, 19 flaring gun heads are damaged, each flaring gun head can only produce 541 sets of products on average, after the separated flaring gun heads are adopted, 70486 sets of products damage one gun head 1 on average, two gun heads 1 are damaged every month, 8 hexagon socket head bolts are damaged every month, the material loss is greatly reduced, and the improvement effect is obvious.

The working principle is as follows:

firstly, inserting the tail part of the gun head 1 into the mounting cavity 21 of the gun case 2, adjusting the position of the gun head 1, screwing the bolt 31 to enable the end part of the bolt 31 to abut against the corresponding positioning groove 11, locking and positioning the gun head 1 in the mounting cavity 21 of the gun case 2, then inserting the tail part of the gun case 2 into the pneumatic interface 41 of the handheld main body 4 and fixing to complete the assembly of the separated flaring gun head and the pneumatic flaring gun; an operator holds the handle 42 of the handheld main body 4 again, presses the switch 43 after aligning the gun head 1 to the position to be flared of the product, the air cylinder drives the gun sleeve 2 and the gun head 1 to reciprocate along the axis of the gun head 1 until the flaring of the product is finished, and the pneumatic flaring gun is closed through the switch 43;

if the gun head 1 is damaged, only the bolt 31 needs to be unscrewed, the damaged gun head 1 is taken down, the gun head 1 is replaced with a new gun head 1, the position of the gun head 1 is adjusted, the bolt 31 is screwed down, the end part of the bolt 31 abuts against the corresponding positioning groove 11, the gun head 1 is locked and positioned in the mounting cavity 21 of the gun sleeve 2, and production can be immediately recovered.

Example 2

As shown in fig. 5 and 6, in the present embodiment, the difference from embodiment 1 is that the locking positioning member includes a first limiting flange 32 and a first locking thread 12 provided at the tail of the lance tip 1, the tail of the lance tip 1 is in threaded connection with the mounting cavity 21 through the first locking thread 12, the first limiting flange 32 is fixedly provided at the middle of the lance tip 1, and the first limiting flange 32 is in contact with the end of the mounting cavity 21, so that positioning of the lance tip 1 is facilitated, positioning accuracy is improved, and assembly of the split type flaring lance tip is facilitated; the cross section of the first limiting flange 32 is in a regular hexagon shape, so that the gun head 1 can be conveniently detached and replaced; in addition, the use of an inner hexagon bolt is cancelled, and a threaded hole does not need to be additionally formed on the gun case 2.

Example 3

As shown in fig. 7 and 8, in the present embodiment, the difference from embodiment 1 is that the locking positioning member includes a second limit flange 33 and a shaft sleeve 34, the second limit flange 33 is fixedly disposed in the middle of the lance head 1, a second locking thread 341 is disposed in an inner cavity of the shaft sleeve 34, the shaft sleeve 34 is in threaded connection with the lance sleeve 2 through the second locking thread 341, the head of the lance head 1 passes through the shaft sleeve 34, and the second limit flange 33 is located between the lance sleeve 2 and the shaft sleeve 34, which facilitates positioning of the lance head 1, improves positioning accuracy, and facilitates assembly of the split type flaring lance head.

Claims

1. The utility model provides a disconnect-type flaring rifle head which characterized in that: the gun head comprises a gun head (1), a gun sleeve (2) and a locking positioning piece, wherein a mounting cavity (21) is formed in the gun sleeve (2), and the tail of the gun head (1) is fixedly arranged in the mounting cavity (21) through the locking positioning piece.

2. The split, flared lance head according to claim 1, wherein: the locking positioning piece comprises a bolt (31), a positioning groove (11) is formed in the circumferential surface of the tail of the gun head (1), the bolt (31) is in threaded connection with the gun sleeve (2), and the end portion of the bolt (31) abuts against the inside of the positioning groove (11).

3. A split, flared lance head according to claim 2, wherein: the number of the bolts (31) is 1-4, and when the number of the bolts (31) is larger than 1, the bolts (31) are uniformly distributed along the circumferential direction of the gun head (1).

4. The split, flared lance head according to claim 1, wherein: the locking positioning part comprises a first limiting flange (32) and a first locking thread (12) arranged at the tail of the gun head (1), the tail of the gun head (1) is in threaded connection with the mounting cavity (21) through the first locking thread (12), the first limiting flange (32) is fixedly arranged in the middle of the gun head (1), and the first limiting flange (32) is in contact with the end of the mounting cavity (21).

5. The split, flared lance head according to claim 4, wherein: the cross section of the first limiting flange (32) is in a regular hexagon shape.

6. The split, flared lance head according to claim 1, wherein: the locking positioning part comprises a second limiting flange (33) and a shaft sleeve (34), the second limiting flange (33) is fixedly arranged in the middle of the gun head (1), a second locking thread (341) is formed in an inner cavity of the shaft sleeve (34), the shaft sleeve (34) is in threaded connection with the gun sleeve (2) through the second locking thread (341), the head of the gun head (1) penetrates through the shaft sleeve (34), and the second limiting flange (33) is located between the gun sleeve (2) and the shaft sleeve (34).