CN205763951U

CN205763951U - Cylinder is boiled in a covered pot over a slow fire head and is fixed chuck

Info

Publication number: CN205763951U
Application number: CN201620669028.9U
Authority: CN
Inventors: 郝强
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-06-29
Filing date: 2016-06-29
Publication date: 2016-12-07
Anticipated expiration: 2026-06-29

Abstract

The utility model discloses a kind of cylinder to boil in a covered pot over a slow fire head and fix chuck, including: chuck body, described chuck body offers claw groove, and described chuck body is provided with drive mechanism；Movable jaw, described movable jaw and described drive mechanism are connected by flat thread and are arranged in described claw groove；Described claw groove is 3n or 4n, and n is the natural number more than 2 or equal to 2.This cylinder is boiled in a covered pot over a slow fire head and is fixed chuck in the case of ensureing that chucking power is uniform, start with from the versatility improving chuck, accomplish that a chuck is adapted to the stewing head of different cards tooth gauge lattice, for using producer to save equipment investment, the net cylinder that the stewing head clamping that both can apply to fill on stewing head machine can also be applied on printing machine is fixed.

Description

Cylinder is boiled in a covered pot over a slow fire head and is fixed chuck

Technical field

This utility model relates to printing machine cylinder and boils in a covered pot over a slow fire the clamping apparatus technical field of head, particularly relates to a kind of for stewing at dress Boil in a covered pot over a slow fire, for cylinder, the chuck that head is fixing on head machine and printing machine.

Background technology

After stewing head is loaded onto at cylinder two ends, could use on printing machine, stewing head directly affects print with the installation accuracy of cylinder Flower quality.General stewing head assembly technology is to handle the lug of stewing cephalic par by gripper chuck, and gluing on stewing head pushes it into In cylinder, then stewing head heated and rotate, it is ensured that viscose glue is the most bonding with stewing head and cylinder.The lug of stewing cephalic par divides Being furnished with multiple latch 101 (as shown in Fig. 5 or 6), the movable jaw of chuck is clamped on the outer peripheral face of these latches, the number of latch Amount is usually 3 or 4, and corresponding chuck is also classified into scroll chuck or chuck.

In recent years, along with the improvement of printing machine, the specification of stewing head gets more and more, in addition to 3 latches and four latches boil in a covered pot over a slow fire head, also Occur in that six latches and eight latches boil in a covered pot over a slow fire head, with scroll chuck clamp four latches boil in a covered pot over a slow fire head or with chuck clamp three latches boil in a covered pot over a slow fire Head, need to heat stewing head when all there is the stewing head of the problem (as shown in Fig. 5 or 6) that chucking power is uneven, especially dress, if clamping Power inequality can make stewing head deform because expanding with heat and contract with cold, and loses installation accuracy, therefore, if having three latches to boil in a covered pot over a slow fire head and four latches boil in a covered pot over a slow fire head The cylinder of two kinds of models, use producer be accomplished by buying a dress with scroll chuck boil in a covered pot over a slow fire head machine and other one there is four paws Head machine boiled in a covered pot over a slow fire by the dress of chuck, causes overlapping investment and the wasting of resources.Furthermore, the diameter of cylinder is the most increasing, with original three-jaw Chuck or the stewing head of chuck clamping, will make the distance between two movable jaws elongated, and when gripping, deformation probability increases Adding, after heating, error is bigger.Meanwhile, along with the increase of stewing head surface circumferential size, clamping is boiled in a covered pot over a slow fire head and is produced dress when manual operation Press from both sides not in place, be also to cause one of reason filling the forfeiture of stewing head precision.

During it addition, fix net cylinder on printing machine, net head seat and stewing head are by latch clamping, and net head seat can not be according to stewing head Specification conveniently adjust.

Utility model content

For the disadvantages described above of prior art, this utility model provides a kind of cylinder to boil in a covered pot over a slow fire head and fixes chuck, and this chuck is not only Chucking power is uniform, and takes into account versatility, and a kind of chuck can be suitable for the stewing head of multiple latch specification, reduces the equipment using producer Investment.

For solving above-mentioned technical problem, the technical solution of the utility model is: a kind of cylinder is boiled in a covered pot over a slow fire head and fixed chuck, including: Chuck body, described chuck body offers claw groove, and described chuck body is provided with drive mechanism；Movable jaw, described movable jaw It is connected by flat thread with described drive mechanism and is arranged in described claw groove；Described claw groove is 3n or 4n, and n is Natural number more than 2 or equal to 2.

Wherein, the quantity of described claw groove is the common multiple of 3 and 4.

Wherein, the quantity of described claw groove is 6,8,12 or 16.

Wherein, described movable jaw have lean end face and clamping side face, described clamping side face is inclined-plane, described inclined-plane with The described end face that leans intersects acute angle；Or described movable jaw has clamping side face, described clamping side face includes that two V-arrangements divide The inclined-plane of cloth.

Wherein, described movable jaw has multiple, and in these movable jaws, at least a movable jaw is provided with location Pin, the locating slot that described alignment pin and cylinder boil in a covered pot over a slow fire head is suitable.

Wherein, described alignment pin protrudes from the clamping side face of described movable jaw.

After have employed technique scheme, the beneficial effects of the utility model are:

1) chucking power is uniform, and versatility is good, and by adjusting quantity and the distribution of movable jaw, a kind of chuck can clamp multiple The stewing head of specification, the chuck of such as 12 claw grooves, 3 movable jaws can be installed, boil in a covered pot over a slow fire head adapting to three latches；4 can also be installed Individual movable jaw, boils in a covered pot over a slow fire head adapting to four latches；6 movable jaws can be installed, boil in a covered pot over a slow fire head adapting to six latches；Can also 8 work Dynamic claw, boils in a covered pot over a slow fire head adapting to eight latches；12 movable jaws can also be installed, boil in a covered pot over a slow fire head adapting to 12 latches；Thus significantly drop The low equipment investment using producer.

2) utilizing inclined plane principle, when applying chucking power, stewing head can be close to the end face that leans of each movable jaw automatically, or Automatically align between the clamping side face of V-arrangement, it is not easy to tilt when clamping, thus improve clamping precision.

3) an at least movable jaw being provided with alignment pin, this alignment pin and cylinder are boiled in a covered pot over a slow fire the locating slot of head and are fitted mutually Joining, this locating slot is cylinder auxiliary positioning benchmark on printing machine, by arranging this alignment pin so that stewing head is at the beginning of assembling Just there is a positioning datum corresponding with printing machine, more favorably improved the concordance of stewing head assembling.

Accompanying drawing explanation

Fig. 1 is that cylinder is boiled in a covered pot over a slow fire head and fixed the longitudinal sectional view of chuck embodiment 1；

Fig. 2 is the clamping schematic diagram of embodiment illustrated in fig. 11；

Fig. 3 is that cylinder is boiled in a covered pot over a slow fire head and fixed chuck embodiment 2 clamping four latch and boil in a covered pot over a slow fire the schematic diagram of head；

Fig. 4 is that cylinder is boiled in a covered pot over a slow fire head and fixed chuck embodiment 2 clamping three latch and boil in a covered pot over a slow fire the schematic diagram of head；

Fig. 5 is the schematic diagram that a kind of known chuck clamping three latch boils in a covered pot over a slow fire head；

Fig. 6 is the schematic diagram that a kind of known clamping with three-jaw chuck clamping four latch boils in a covered pot over a slow fire head；

In figure: 1-chuck body, 11-claw groove, 2-drive mechanism, 3-movable jaw, 31-leans end face, and 32-clamps week Face, 4-alignment pin, 100-boils in a covered pot over a slow fire head, 101-latch.

Detailed description of the invention

With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.

Embodiment 1

As Fig. 1 and Fig. 2 jointly shown in, a kind of cylinder is boiled in a covered pot over a slow fire head and is fixed chuck, and chuck body 1 offers claw groove 11, chuck body 1 Being provided with drive mechanism 2, movable jaw 3 and drive mechanism 2 are connected by flat thread and are arranged in claw groove 11, and rotation is driven Motivation structure 2, can drive all movable jaws 3 to move together, and this kind of structure has self-centering function.

Showing in figure that 11,4 movable jaws 3 of 8 claw grooves are distributed in chuck body 1, each movable jaw 3 is the most right The latch 101 of stewing 100, makes chucking power uniform.If the stewing head of 8 latches, this chuck can install 8 movable jaws 3, equally Can accomplish that chucking power is uniform.

Movable jaw 3 has and leans end face 31 and clamping side face 32, and clamping side face 32 is inclined-plane, this inclined-plane with lean end face 31 intersect acute angle.When applying chucking power, what stewing head can be close to each movable jaw 3 automatically leans end face 31, it is not easy at dress Tilt during folder, thus improve clamping precision.For the same purpose, clamping side face 32 can also use two V-arrangement side face structures, V-arrangement side face is two inclined-planes being symmetrical arranged forming V-shape, is to utilize inclined plane principle equally, and when applying chucking power, stewing head can exist automatically Automatic alignment between V-arrangement side face.

Movable jaw 3 can also be step-like, to adapt to the stewing head of different-diameter, about this point, is the general of this area Known to logical technical staff, do not repeat at this.

In these movable jaws 3, at least a movable jaw is provided with alignment pin 4, alignment pin 4 with stewing 100 Locating slot is suitable, and in order to improve adaptability, alignment pin 4 protrudes from the clamping side face of movable jaw 3.Location on stewing 100 Groove is cylinder auxiliary positioning benchmark on printing machine, and movable jaw 3 arranges this alignment pin 4 so that stewing 100 when assembling also There is a positioning datum corresponding with printing machine, more favorably improved the concordance of stewing head assembling.

Embodiment 2

As shown in Figure 3 and Figure 4, embodiment 2 is substantially the same manner as Example 1, and its difference is, this chuck has 12 Claw groove 11, is mounted with 4 movable jaws 3 in Fig. 3, with clamping four latch stewing 100.Fig. 4 is clamping three latch stewing 100 Situation, it is uniform 3 movable jaws 3.

This utility model is not limited to above-described embodiment, especially the claw groove 11 of chuck body 1, and its quantity may be configured as 3n Or 4n (n is the natural number more than 2 or equal to 2), the common multiple of preferably 3 and 4, preferred numerical value is 6,8,12 or 16 Individual, to improve the versatility of chuck to greatest extent.Design of the present utility model is not the simple increase and decrease of quantity, and it is ensureing In the case of chucking power is uniform, starts with from the versatility improving chuck, accomplished that a chuck is adapted to different cards tooth gauge lattice Stewing head, thus for use producer save equipment investment, the stewing head clamping that both can apply to fill on stewing head machine can also be answered Net cylinder on printing machine is fixed.

Claims

1. cylinder is boiled in a covered pot over a slow fire head and is fixed a chuck, including:

Chuck body, described chuck body offers claw groove, and described chuck body is provided with drive mechanism；

Movable jaw, described movable jaw and described drive mechanism are connected by flat thread and are arranged in described claw groove； It is characterized in that,

Described claw groove is 3n or 4n, and n is the natural number more than 2 or equal to 2.

2. cylinder as claimed in claim 1 is boiled in a covered pot over a slow fire head and is fixed chuck, it is characterised in that the quantity of described claw groove is the public affairs of 3 and 4 Multiple.

3. cylinder as claimed in claim 1 is boiled in a covered pot over a slow fire head and is fixed chuck, it is characterised in that the quantity of described claw groove is 6,8, 12 or 16.

4. the cylinder as described in any one of claims 1 to 3 is boiled in a covered pot over a slow fire head and is fixed chuck, it is characterised in that described movable jaw has Leaning end face and clamping side face, described clamping side face is inclined-plane, and described inclined-plane and the described end face that leans intersect acute angle；Or institute Stating movable jaw and have clamping side face, described clamping side face includes the inclined-plane of two V-arrangement distributions.

5. cylinder as claimed in claim 4 is boiled in a covered pot over a slow fire head and is fixed chuck, it is characterised in that described movable jaw has multiple, at these In movable jaw, at least a movable jaw is provided with alignment pin, and the locating slot that described alignment pin and cylinder boil in a covered pot over a slow fire head is suitable.

6. cylinder as claimed in claim 5 is boiled in a covered pot over a slow fire head and is fixed chuck, it is characterised in that described alignment pin protrudes from described active card The clamping side face of pawl.