CN217122536U

CN217122536U - Telescopic hydraulic clamp for combined machine tool

Info

Publication number: CN217122536U
Application number: CN202123353948.XU
Authority: CN
Inventors: 戈弋; 戈坚
Original assignee: Yancheng Dalian Modular Machine Tool Co ltd
Current assignee: Yancheng Dalian Modular Machine Tool Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-08-05
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a telescopic hydraulic clamp for a combined machine tool, which comprises a base, wherein a support is fixedly arranged on the upper surface of the base, a hydraulic cylinder is fixedly arranged on one side of the support, and a telescopic structure is arranged on the other side of the support; a piston rod of the hydraulic cylinder penetrates through the support and is fixedly sleeved with a positioning rod cap, one end, far away from the support, of the telescopic structure is provided with an assembling and disassembling piece, and the side face of the assembling and disassembling piece is provided with a groove and a chuck. The present case utilizes the pneumatic cylinder to control extending structure through adding extending structure, and extending structure can be according to the automatic regulation that stretches out and draws back of size of part, and the part of different models can both be stabilized the centre gripping by hydraulically operated fixture, and then has increased hydraulically operated fixture's application scope for the combined machine tool can process the part of more different models.

Description

Telescopic hydraulic clamp for combined machine tool

Technical Field

The utility model relates to a machining device technical field specifically is a scalable hydraulically operated fixture who is applied to combined machine tool.

Background

The hydraulic clamp replaces mechanical parts with hydraulic elements, realizes automatic positioning, supporting and clamping of workpieces through hydraulic control, has the advantages of large clamping force, stable and reliable clamping, stable work, convenience in use and the like, and is widely applied to scenes such as numerical control machines, machining centers and automatic production lines.

The hydraulic clamp can ensure the accurate positioning and firm clamping of the workpiece at the designated position, and reduce the vibration and deformation in the processing through the floating support, but the existing hydraulic clamp also limits the types of workpieces which can be clamped by the hydraulic clamp while ensuring the firmness. Most of the existing hydraulic clamps are fixed in a rigid manner, and only a certain type of part can be clamped in a relatively fixed manner when the part is clamped, so that the applicability of the hydraulic clamps is narrowed and the hydraulic clamps cannot clamp parts of different sizes due to lack of flexibility; in addition, the chucks of the hydraulic clamp contacted with the workpiece are basically in fixed shapes, and when the chucks face the workpiece with an irregular shape, the hydraulic clamp easily damages the clamping position of the workpiece due to the clamping force of the hydraulic clamp, so that the subsequent processing of the workpiece is influenced.

Disclosure of Invention

The utility model provides a not enough to prior art, the utility model provides a but combined machine tool uses telescopic hydraulic clamp to adapt to the processing requirement of combined machine tool to different specification parts.

The technical solution of the utility model is that: the utility model provides a but combination machine is scalable hydraulic fixture for bed, includes the base, the last fixed surface of base installs the support, one side fixed mounting of support has the pneumatic cylinder, the opposite side of support is provided with extending structure, the piston rod of pneumatic cylinder runs through the support and fixed the cup joint has the locating lever cap, the one end that the support was kept away from to extending structure is provided with the loading and unloading piece, the side of loading and unloading piece is provided with the chuck, the side of loading and unloading piece is seted up flutedly, the inner wall joint of recess has the abaculus, the abaculus welding is in the side of chuck, the locating hole has been seted up at the top of loading and unloading piece, the card hole has been seted up on the surface of abaculus, and the position of locating hole is corresponding with the position in card hole, the inner wall of locating hole is pegged graft and is had the locating pin.

Preferably, the sliding groove is formed in the side face of the support, the sliding seat is connected to the inner wall of the sliding groove in a sliding mode, and the side face of the sliding seat is rotatably connected with one end of the telescopic structure.

More preferably, the telescopic structure comprises a first connecting rod, a second connecting rod is arranged below the first connecting rod, the first connecting rod and the second connecting rod are rotatably connected through a rotating shaft, the positioning rod cap is rotatably sleeved on the surface of the rotating shaft, and the telescopic structure is formed by combining two rows of mutually staggered and rotatably connected first connecting rods and second connecting rods.

More preferably, the locating pin includes the bayonet lock, the top welding of bayonet lock has the limiting plate, the top of limiting plate is provided with the handle, the handle passes through the quarter butt and the limiting plate welding.

More preferably, the side of the loading and unloading member is provided with a guide groove, the inner wall of the guide groove is connected with a slider in a sliding manner, the side of the slider is rotatably connected with one end of the telescopic structure, a spring is arranged inside the guide groove, and two ends of the spring are respectively lapped with the inner wall of the guide groove and one end of the slider.

Preferably, the side surface of the loading and unloading part is fixedly provided with a limiting rod, one end of the limiting rod, far away from the loading and unloading part, is slidably sleeved with a limiting sleeve, and the limiting sleeve is rotatably sleeved inside the telescopic structure.

The utility model discloses possess the multiple not unidimensional part of nimble centre gripping and can change the advantage of chuck, solved in the past that hydraulic fixture can't carry out the centre gripping to the part of various not unidimensional to and hydraulic fixture damages the problem of work piece easily. Compared with the prior art, the utility model discloses possess following beneficial effect:

(1) this scalable hydraulically operated fixture of combined machine tool, through adding extending structure, utilize the pneumatic cylinder to control extending structure, make extending structure can be according to the automatic regulation that stretches out and draws back of size of part, make the part of different models can both be stabilized the centre gripping by hydraulically operated fixture, and then increased hydraulically operated fixture's application scope, make combined machine tool can process the part of more different models, avoid damaging the work piece by the centre gripping position.

(2) This scalable hydraulically operated fixture of combined machine tool through setting up the loading and unloading piece, when processing irregular part, can change hydraulically operated fixture's chuck according to the shape of part, makes hydraulically operated fixture can the part of different shapes of adaptation, and then can process the part more accurately, reduces the wearing and tearing that the part produced because of the processing vibration, has improved the quality after the parts machining.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is a schematic sectional top view of the guide groove of the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 4;

fig. 6 is a schematic view of the disassembly structure of the loading and unloading member of the present invention.

The meaning of the reference symbols in the figures is: 1. a base; 2. a support; 3. a hydraulic cylinder; 4. a telescopic structure; 5. loading and unloading the parts; 6. a chuck; 7. a limiting sleeve; 8. a limiting rod; 9. a positioning rod cap; 10. a chute; 11. a slide base; 12. positioning holes; 13. positioning pins; 14. a guide groove; 15. a slider; 16. a spring; 17. a groove; 18. an insert block; 19. a clamping hole; 401. a first link; 402. a second link; 403. a rotating shaft; 130. a bayonet lock; 131. a limiting plate; 132. a handle.

Detailed Description

The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the drawings in the embodiment of the present invention; it is to be understood that the embodiments described are only some embodiments of the invention, and 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.

Referring to fig. 1 to 6, a telescopic hydraulic clamp for a combined machine tool comprises a base 1, a support 2 is fixedly mounted on the upper surface of the base 1, a hydraulic cylinder 3 is fixedly mounted on one side of the support 2, a telescopic structure 4 is arranged on the other side of the support 2, a piston rod of the hydraulic cylinder 3 penetrates through the support 2 and is fixedly sleeved with a positioning rod cap 9, a loading and unloading part 5 is arranged at one end, away from the support 2, of the telescopic structure 4, a chuck 6 is arranged on the side surface of the loading and unloading part 5, a groove 17 is formed in the side surface of the loading and unloading part 5, an insert 18 is clamped on the inner wall of the groove 17, the insert 18 is welded on the side surface of the chuck 6, a positioning hole 12 is formed in the top of the loading and unloading part 5, a clamping hole 19 is formed in the surface of the insert 18, the positioning hole 12 corresponds to the clamping hole 19, and a positioning pin 13 is inserted into the inner wall of the positioning hole 12.

Preferably, as shown in fig. 3, a sliding groove 10 is formed in a side surface of the support 2, a sliding seat 11 is slidably connected to an inner wall of the sliding groove 10, and a side surface of the sliding seat 11 is rotatably connected to one end of the telescopic structure 4. In this embodiment, through setting up spout 10 and slide 11, make extending structure 4 can stretch out and draw back by the at utmost, simultaneously through the symmetrical structure that it formed, make extending structure 4 can reach stable effect.

According to the utility model discloses technical scheme, as shown in fig. 1 ~ 4, extending structure 4 includes first connecting rod 401, and the below of first connecting rod 401 is provided with second connecting rod 402, and first connecting rod 401 rotates through pivot 403 with second connecting rod 402 to be connected, and the surface at pivot 403 is cup jointed in the rotation of locating lever cap 9, and extending structure 4 is formed by the combination of two rows of crisscross first connecting rod 401 and the second connecting rod 402 of rotating the connection of each other. Like this, set up extending structure 4 and further increased hydraulically operated fixture's centre gripping scope, make it can process the part of great size, increased the processing part scope of combined machine tool.

As a refinement scheme, as shown in fig. 6, the positioning pin 13 includes a bayonet 130, a limiting plate 131 is welded at the top end of the bayonet 130, a handle 132 is arranged above the limiting plate 131, and the handle 132 is welded with the limiting plate 131 through a short rod. Through setting up bayonet 130, when providing the fixed chuck 6 effect for handling 5, still make things convenient for direct manual carrying to play dismantlement change, and then promoted the machining efficiency of combined machine tool.

In the above technical solution, as shown in fig. 5, a guide slot 14 is formed in a side surface of the loading and unloading member 5, a slider 15 is slidably connected to an inner wall of the guide slot 14, a side surface of the slider 15 is rotatably connected to one end of the telescopic structure 4, a spring 16 is disposed inside the guide slot 14, and two ends of the spring 16 are respectively overlapped with the inner wall of the guide slot 14 and one end of the slider 15. Thus, by arranging the spring 16 in the guide groove 14, when the hydraulic clamp performs telescopic movement, the spring 16 can always keep the assembling and disassembling piece 5 at the central position due to the elastic force of the spring, and the accuracy of the hydraulic clamp is improved.

In addition, as shown in fig. 2, a limiting rod 8 is fixedly mounted on a side surface of the handling member 5, a limiting sleeve 7 is slidably sleeved on one end of the limiting rod 8 far away from the handling member 5, and the limiting sleeve 7 is rotatably sleeved inside the telescopic structure 4. Through setting up gag lever post 8 and stop sleeve 7, carry out the centre gripping in-process at hydraulic fixture, gag lever post 8 and stop sleeve 7 can assist chuck 6 centre gripping, prevent that chuck 6 from taking place the skew because of the part side is irregular.

The utility model discloses a theory of operation is: when a hydraulic clamp is used for clamping a part, the part is placed in the middle of the base 1, the corresponding chuck 6 is selected according to the shape of the side face of the part, the positioning pin 13 is lifted through the lifting handle 132, the embedded block 18 on the side face of the chuck 6 is placed in the groove 17, the positioning pin 13 is inserted into the inner wall of the positioning hole 12, the chuck 6 is fixed through the positioning pin 13, the hydraulic cylinder 3 is started, the telescopic structure 4 starts to extend through pushing of the hydraulic rod and limiting of the sliding seat 11, the part is clamped through the chuck 6, after the part is machined, the hydraulic cylinder 3 is started again to loosen the part, and the next part is machined.

Can discover through the above description, the utility model discloses possess the advantage of the multiple not unidimensional part of nimble centre gripping and can change the chuck, solved in the past that hydraulic fixture can't carry out the centre gripping to the part of various not unidimensional to and hydraulic fixture damage the problem of work piece easily. Of course, 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. Scalable hydraulically operated fixture is used to combined machine tool, including base (1), its characterized in that: the upper surface of base (1) is fixed with support (2), one side fixed mounting of support (2) has pneumatic cylinder (3), the opposite side of support (2) is provided with extending structure (4), the piston rod of pneumatic cylinder (3) runs through support (2) and fixed cover has connect locating lever cap (9), the one end that support (2) were kept away from in extending structure (4) is provided with the piece of loading and unloading (5), the side of the piece of loading and unloading (5) is provided with chuck (6), the side of the piece of loading and unloading (5) is seted up flutedly (17), the inner wall joint of recess (17) has abaculus (18), abaculus (18) welding is in the side of chuck (6), locating hole (12) have been seted up at the top of the piece of loading and unloading (5), calorie of hole (19) have been seted up on the surface of abaculus (18), and the position of locating hole (12) is corresponding with the position of calorie of hole (19), and a positioning pin (13) is inserted into the inner wall of the positioning hole (12).

2. The telescopic hydraulic clamp for a combined machine tool according to claim 1, characterized in that: the side of support (2) has seted up spout (10), the inner wall sliding connection of spout (10) has slide (11), the side of slide (11) is rotated with the one end of extending structure (4) and is connected.

3. The telescopic hydraulic clamp for a combined machine tool according to claim 1, characterized in that: the telescopic structure (4) comprises a first connecting rod (401), a second connecting rod (402) is arranged below the first connecting rod (401), the first connecting rod (401) is rotatably connected with the second connecting rod (402) through a rotating shaft (403), a positioning rod cap (9) is rotatably sleeved on the surface of the rotating shaft (403), and the telescopic structure (4) is formed by combining two rows of mutually staggered and rotatably connected first connecting rods (401) and second connecting rods (402).

4. The telescopic hydraulic clamp for a combined machine tool according to claim 1, characterized in that: locating pin (13) includes bayonet lock (130), the welding of the top of bayonet lock (130) has limiting plate (131), the top of limiting plate (131) is provided with handle (132), handle (132) are through quarter butt and limiting plate (131) welding.

5. The telescopic hydraulic clamp for a combined machine tool according to claim 1, characterized in that: guide way (14) have been seted up to the side of loading and unloading piece (5), the inner wall sliding connection of guide way (14) has slider (15), the side of slider (15) rotates with the one end of extending structure (4) to be connected, the inside of guide way (14) is provided with spring (16), and the both ends of spring (16) overlap joint with the inner wall of guide way (14) and the one end of slider (15) respectively.

6. The telescopic hydraulic clamp for a combined machine tool according to claim 1, characterized in that: the side fixed mounting who unloads piece (5) has gag lever post (8), gag lever post (8) keep away from the one end of unloading piece (5) and slide to cup joint spacing sleeve (7), and spacing sleeve (7) rotate cup joint in the inside of extending structure (4).