CN212169676U

CN212169676U - Positioning and clamping device for machining

Info

Publication number: CN212169676U
Application number: CN202020724298.1U
Authority: CN
Inventors: 张蕾; 迟丽娜; 张凯
Original assignee: Dalian Ocean Shengxing Automation Equipment Co ltd
Current assignee: Dalian Ocean Shengxing Automation Equipment Co ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2020-12-18
Anticipated expiration: 2030-05-06

Abstract

The utility model relates to the technical field of machining, and a positioning and clamping device for machining is disclosed, which comprises a fixed base, the spout that runs through completely is seted up to angles such as the top of fixing base, the inside activity joint of spout has the connecting rod, the top fixed mounting of connecting rod has the clamp splice, the bottom fixed mounting of connecting rod has the gag lever post. This positioning and clamping device for machining, through being provided with the fixing base and seted up the spout in the inside of fixing base, the quantity of spout is four altogether, set up for the equidistance between four spouts, accessible control motor drives the rotation of main shaft when the elasticity degree of work piece is adjusted to needs, the synchronous revolution elasticity rope in the time of the main shaft is rotatory, the gag lever post that cup joints at elasticity rope inside this moment rotates immediately can drive the connecting rod relative slip in the spout, and then make the clamp splice be close to relatively or keep away from relatively, adjust the elasticity degree, thereby realized the advantage of comparatively simple and convenient regulation clamping degree.

Description

Positioning and clamping device for machining

Technical Field

The utility model relates to a machining technical field specifically is a positioning and clamping device for machining.

Background

Machining refers to a process of changing the physical dimensions or properties of a workpiece by a mechanical device. The difference in machining modes can be divided into cutting machining and pressing machining, and a clamping device is often used to ensure the stability of parts during machining.

The positioning and clamping device for the existing machining generally comprises a plurality of positioning blocks, the positioning blocks are connected through bolts, when the clamping device is adjusted, a manual tool is needed to screw the bolts for adjustment, the adjustment is extremely inconvenient, meanwhile, due to the tightness degree of the manual control bolts, the phenomenon that parts are too tight or too loose inevitably occurs in the adjustment process, and the precision of the part machining is easily influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a positioning and clamping device for machining possesses the advantage of comparatively simple and convenient regulation clamping degree, has solved the problem of proposing among the above-mentioned background art.

The utility model provides a following technical scheme: the utility model provides a positioning and clamping device for machining, includes the fixing base, the spout that runs through completely is seted up to angles such as the top of fixing base, the inside activity joint of spout has the connecting rod, the top fixed mounting of connecting rod has the clamp splice, the bottom fixed mounting of connecting rod has the gag lever post, the middle part movable mounting of fixing base bottom has the main shaft, the fixed elastic rope that has cup jointed of lateral surface of gag lever post, the bottom fixed mounting of fixing base has the frame, angle fixed mounting such as the bottom of frame has the installed part.

Preferably, the number of the clamping blocks is four, and the inner side surfaces of the four clamping blocks are provided with buffer grooves.

Preferably, equal fixed mounting has the spring on the position that the dashpot inner chamber is close to both sides, the equal fixed mounting of one end that the dashpot inner chamber was kept away from to the spring has the buffer block.

Preferably, a motor is fixedly installed inside the base, and an output shaft of the motor is fixedly connected with the bottom end of the main shaft.

Preferably, the number of the elastic ropes is four, and the four elastic ropes are fixedly connected with the outer side face of the main shaft at equal angles.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this positioning and clamping device for machining, through being provided with the fixing base and seted up the spout in the inside of fixing base, the quantity of spout is four altogether, set up for the equidistance between four spouts, accessible control motor drives the rotation of main shaft when the elasticity degree of work piece is adjusted to needs, the synchronous revolution elasticity rope in the time of the main shaft is rotatory, the gag lever post that cup joints at elasticity rope inside this moment rotates immediately can drive the connecting rod relative slip in the spout, and then make the clamp splice be close to relatively or keep away from relatively, adjust the elasticity degree, thereby realized the advantage of comparatively simple and convenient regulation clamping degree.

2. This positioning and clamping device for machining, the dashpot has been seted up through the medial surface at the clamp splice, and there is the spring at the inside fixed mounting of dashpot, and the buffer block of spring one side, when the work piece is fixed on the position between the clamp splice, it is the buffer block to contact with the work piece, when the clamp splice provides pressure to the work piece and presss from both sides tightly, the spring of buffer block bottom can the atress compress, buffer block and spring combined action absorb partial pressure, avoid the work piece excessively to press from both sides tightly, thereby realized and avoided the work piece excessively tight advantage of clamp.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an exploded view of the frame structure of the present invention;

fig. 3 is a schematic view of the structure of the elastic rope of the present invention.

In the figure: 1. a fixed seat; 2. a machine base; 3. a motor; 4. a mounting member; 5. a chute; 6. a main shaft; 7. a limiting rod; 8. an elastic cord; 9. a connecting rod; 10. a clamping block; 11. a buffer tank; 12. a buffer block; 13. a spring.

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.

Example 1

Please refer to fig. 1-3, a positioning and clamping device for machining, including a fixing base 1, a sliding groove 5 completely penetrating is formed at the top end of the fixing base 1 at equal angles, a connecting rod 9 is movably clamped inside the sliding groove 5, a clamping block 10 is fixedly mounted at the top end of the connecting rod 9, a limiting rod 7 is fixedly mounted at the bottom end of the connecting rod 9, a main shaft 6 is movably mounted at the middle of the bottom end of the fixing base 1, an elastic rope 8 is fixedly sleeved on the outer side surface of the limiting rod 7, a base 2 is fixedly mounted at the bottom end of the fixing base 1, and an installation part 4 is fixedly mounted at the.

The number of the clamping blocks 10 is four, the buffer grooves 11 are formed in the inner side faces of the four clamping blocks 10, the four clamping blocks 10 are all arc-shaped, and the clamping blocks are relatively close to each other and have high adaptability when clamping a workpiece.

Wherein, equal fixed mounting has spring 13 in the position that the 11 inner chambers of dashpot are close to both sides, and the equal fixed mounting of one end that 11 inner chambers of dashpot were kept away from to spring 13 has buffer block 12, and when clamp splice 10 provided pressure to the work piece and pressed from both sides tightly, the spring 13 of 12 bottoms of buffer block can the atress compress, and buffer block 12 and spring 13 combined action absorb partial pressure, avoid the work piece excessively to press from both sides tightly.

Wherein, the inside fixed mounting of frame 2 has motor 3, and the bottom fixed connection of motor 3 output shaft and main shaft 6, motor 3 can drive the rotation of main shaft 6 and then tighten up the elasticity rope 8 that is located the 6 lateral surfaces of main shaft, and then the tight work piece of clamp.

Wherein, the quantity of elasticity rope 8 is four, four elasticity ropes 8 wait angle and main shaft 6's lateral surface fixed connection, but synchronous revolution elasticity rope 8 when main shaft 6 is rotatory, and the gag lever post 7 cup jointed in elasticity rope 8 inside at this moment rotates immediately and can drive connecting rod 9 and slide relatively in spout 5, and then makes clamp splice 10 be close to relatively or keep away from relatively.

The working principle is as follows: when the positioning and clamping device for machining is used, a workpiece can be placed between four clamping blocks 10 at first, the motor 3 can be started to drive the main shaft 6 to rotate, the elastic rope 8 can be synchronously rotated while the main shaft 6 rotates, the limiting rod 7 sleeved inside the elastic rope 8 rotates immediately at the moment to drive the connecting rod 9 to slide relatively in the sliding groove 5, and then the clamping blocks 10 are relatively close to or relatively far away from each other, the tightness degree is adjusted, and the workpiece is further clamped.

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 positioning and clamping device for machining, includes fixing base (1), its characterized in that: the utility model discloses a fixing base, including fixing base (1), spout (5) that run through completely are seted up to angles such as the top of fixing base (1), the inside movable joint of spout (5) has connecting rod (9), the top fixed mounting of connecting rod (9) has clamp splice (10), the bottom fixed mounting of connecting rod (9) has gag lever post (7), the middle part movable mounting of fixing base (1) bottom has main shaft (6), the fixed cover of lateral surface of gag lever post (7) has connect elastic rope (8), the bottom fixed mounting of fixing base (1) has frame (2), angle fixed mounting such as the bottom of frame (2) has installed part (4).

2. The positioning and clamping device for machining according to claim 1, wherein: the number of the clamping blocks (10) is four, and the inner side surfaces of the four clamping blocks (10) are provided with buffer grooves (11).

3. The positioning and clamping device for machining according to claim 2, wherein: equal fixed mounting has spring (13) in the position that dashpot (11) inner chamber is close to both sides, the equal fixed mounting of one end that dashpot (11) inner chamber was kept away from in spring (13) has buffer block (12).

4. The positioning and clamping device for machining according to claim 1, wherein: the motor (3) is fixedly installed in the base (2), and an output shaft of the motor (3) is fixedly connected with the bottom end of the main shaft (6).

5. The positioning and clamping device for machining according to claim 1, wherein: the number of the elastic ropes (8) is four, and the four elastic ropes (8) are fixedly connected with the outer side surface of the main shaft (6) at equal angles.