Staggered clamping stick type chuck

Abstract

The utility model relates to a staggered clamping stick type chuck, relates to the technical field of clamping equipment, and aims to solve the technical problems that an existing staggered clamping stick type chuck is often complex in structure, is often fixed from two sides of a workpiece, is located in the same horizontal plane, is small in clamping contact area and is not high in stability, and the staggered clamping stick type chuck comprises a clamping stick group, the clamping roller set comprises a clamping roller and an air cylinder, the clamping roller is arranged at the output end of the air cylinder so as to be driven by the air cylinder to do linear reciprocating telescopic motion, and the air cylinder is arranged on the rotating disc. According to the utility model, the clamping rods which are staggered in the vertical direction and are vertically arranged in the horizontal direction are used for fixing a workpiece from a plurality of directions and heights, so that the workpiece is prevented from shaking. The clamping device is simple in structure and capable of fixing a workpiece in different directions and at different heights, so that the clamping stability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to clamping equipment technical field, more specifically, relate to a dislocation clamping pole type chuck. BACKGROUND

[0002] The dislocation clamping pole type chuck is a mechanical device for clamping workpieces on a machine tool, and through the radial movement of movable clamping jaws evenly distributed on the dislocation clamping pole type chuck body, the clamping and positioning of workpieces are realized to ensure that the workpieces maintain a fixed position during machining and facilitate machining operations such as cutting and grinding.

[0003] However, the existing dislocation clamping pole type chuck is often complex in structure, and is often fixed from both sides of the workpiece, with the fixed position being in the same horizontal plane, the contact area of clamping is small, and the stability is not high. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a dislocation clamping pole type chuck, which aims to solve the technical problems of the existing dislocation clamping pole type chuck, which is often complex in structure, is often fixed from both sides of the workpiece, the fixed position is in the same horizontal plane, the contact area of clamping is small, and the stability is not high.

[0005] To solve the above technical problems, the utility model provides the following technical scheme:

[0006] A dislocation clamping pole type chuck, comprising a clamping pole group, the clamping pole group comprising a clamping pole and a cylinder, the clamping pole being arranged at the output end of the cylinder to make linear reciprocating motion under the driving of the cylinder, the cylinder being arranged on a rotating disc;

[0007] A plurality of clamping pole groups are stacked in the vertical direction and arranged in a staggered manner, and surround a hollow workpiece clamping position, and at least one pair of clamping pole groups is provided at the same horizontal height, the output ends of the two cylinders included in the pair of clamping pole groups and the clamping poles being arranged opposite to each other.

[0008] Preferably, the clamping pole is rotatably connected to a mounting bracket, the mounting bracket being mounted on the output end of the cylinder, and the two mounting brackets opposite to each other at the same horizontal height move on the same track.

[0009] Preferably, a passive reciprocating mechanism is provided between the two mounting brackets opposite to each other at the same horizontal height, the passive reciprocating mechanism comprising a passive rack and a guide gear.

[0010] The passive racks are arranged along the extension direction of the output end of the cylinder, two passive racks are arranged in parallel and at the same horizontal level on two opposite mounting racks respectively, and are engaged with the guide gears respectively; the guide gears are rotatably arranged between the two opposite mounting racks at the same horizontal level, and the two ends of the mounting racks are provided with guide grooves matched with the passive racks.

[0011] Preferably, the guide gears are rotatably arranged on guide racks arranged between the two opposite mounting racks at the same horizontal level, and the guide racks are provided with guide grooves through which one end of the passive racks passes.

[0012] Preferably, the bottom end of the guide rack is provided with a centering structure, and the centering structure comprises a fixing seat, a mounting block and a correction bolt.

[0013] The fixing seat is arranged below the guide rack, the two mounting blocks are arranged on the two sides of the fixing seat along the length direction of the passive rack respectively, and a fine adjustment distance is arranged between the mounting block and the side wall surface of the guide rack, and the correction bolt is arranged to abut against the side wall surface of the guide rack from the outside through the mounting block.

[0014] Preferably, the number of the clamp rod groups is four, two of which are upper clamp rod groups, and the other two are lower clamp rod groups, and the four clamp rod groups surround a square workpiece clamping position.

[0015] Preferably, the two sides of the mounting rack are provided with clamp rod fixing structures, and the clamp rod fixing structure comprises a connecting shaft, a fixed soft rod, an inclined top block, a push rod, a sliding groove and a containing frame.

[0016] The two connecting shafts are arranged at the two ends of the clamp rod respectively, the fixed soft rod is slidably connected to the two sides of the mounting rack, one end of the fixed soft rod is abutted on the connecting shaft, the inclined top block is abutted on the other end of the fixed soft rod, the push rod is arranged at the top end of the inclined top block and slidably connected in the sliding groove, and the sliding groove is arranged at the top end of the containing frame, and the containing frame is arranged on the mounting rack.

[0017] Preferably, the bottom end of the mounting rack is provided with a sliding block, and the sliding block is slidably connected to the sliding groove.

[0018] Preferably, the rotating disc is rotatably connected with a fixing frame, and the fixing frame is arranged on an external device.

[0019] Preferably, the bottom end of the rotating disc is provided with a driving gear ring, and the driving gear ring is engaged with an external driving device.

[0020] The beneficial effects of the utility model are as follows:

[0021] The utility model discloses a structure that is simple, can fix workpiece in different directions and different heights, and improves the stability of clamping. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to make the technical scheme of the embodiments of the utility model or the prior art clearer, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the structure shown in these drawings without paying creative labor for the ordinary skilled in the art.

[0023] Figure 1 It is the structural schematic diagram of the utility model;

[0024] Figure 2 It is the structural schematic diagram of the utility model removing top end clamp and its connecting piece;

[0025] Figure 3 It is the structural schematic diagram of the bottom end of the utility model;

[0026] Figure 4 It is the sectional view structural schematic diagram of the utility model guide frame;

[0027] Figure 5 It is the sectional view structural schematic diagram of the utility model clamp fixing structure;

[0028] Figure 6 It is the structural schematic diagram of the utility model centering correction structure.

[0029] Explanation of the reference numerals: 100, clamp; 200, mounting frame; 210, guide groove; 220, clamp fixing structure; 221, connecting shaft; 222, fixed soft rod; 223, inclined top block; 224, push rod; 225, sliding groove; 226, containing frame; 230, sliding block; 240, slide; 300, air cylinder; 400, passive rack; 500, guide frame; 510, guide gear; 520, guide groove; 600, centering correction structure; 610, fixed seat; 620, mounting block; 630, correction bolt; 640, fine adjustment interval: 700, rotary disc; 800, fixed frame; 900, driving gear ring.

[0030] The realization of the utility model, functional characteristics and advantages will be further explained by combining with the embodiments and referring to the drawings. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0032] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly.

[0033] In addition, if the embodiments of the present application involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist and is not within the protection scope required by the present application.

[0034] Please refer to Figures 1-6 A misaligned clamping rod type chuck comprises a clamping rod group, the clamping rod group comprises a clamping rod 100 and a gas cylinder 300, the clamping rod 100 is arranged at the output end of the gas cylinder 300 to make linear reciprocating motion under the driving of the gas cylinder 300, and the gas cylinder 300 is arranged on a rotating disc 700.

[0035] A plurality of clamping rod groups are stacked in the vertical direction and arranged in a staggered manner, and a hollow workpiece clamping position is formed, and at least one pair of clamping rod groups is arranged at the same horizontal height, and the output ends of the two gas cylinders 300 and the clamping rod 100 included in the pair of clamping rod groups are arranged opposite to each other.

[0036] The clamping rod 100 is used to clamp the workpiece, the mounting frame 200 is used to mount the clamping rod 100 and drive the clamping rod 100 to move, the gas cylinder 300 is used to drive the mounting frame 200 to move, and the rotating disc 700 is used to mount other equipment above.

[0037] Specifically, the clamping rod 100 is rotationally connected to the mounting frame 200, the mounting frame 200 is mounted at the output end of the gas cylinder 300, and the two mounting frames 200 opposite to each other at the same horizontal height move on the same track.

[0038] Specifically, a passive reciprocating mechanism is arranged between the two mounting racks 200 opposite to each other at the same horizontal level, and the passive reciprocating mechanism comprises a passive rack 400 and a guide gear 510.

[0039] The passive rack 400 is arranged along the extension direction of the output end of the cylinder 300, and two passive racks 400 are arranged in parallel and are arranged in the two mounting racks 200 opposite to each other at the same horizontal level respectively, and are engaged with the guide gear 510 respectively. The guide gear 510 is rotatably arranged between the two mounting racks 200 opposite to each other at the same horizontal level, and the two ends of the mounting rack 200 are provided with guide grooves 210 matched with the passive rack 400.

[0040] The guide groove 210 is used to provide a sliding channel for the passive rack 400, the passive rack 400 is used to slide along the guide groove 210, limit the track of the movement of the mounting rack 200, and the guide gear 510 is used to move the two passive racks 400 together.

[0041] Specifically, the guide gear 510 is rotatably arranged in a guide rack 500, and the guide rack 500 is arranged between the two mounting racks 200 opposite to each other at the same horizontal level, and the guide rack 500 is provided with a guide groove 520 through which one end of the passive rack 400 passes.

[0042] The guide rack 500 is used to mount the guide gear 510, and the guide groove 520 is used to enable the passive rack 400 to pass through the guide rack 500.

[0043] Specifically, the bottom end of the guide rack 500 is provided with a center correction structure 600, and the center correction structure 600 comprises a fixed seat 610, a mounting block 620 and a correction screw 630.

[0044] The fixed seat 610 is arranged below the guide rack 500, two mounting blocks 620 are arranged on both sides of the fixed seat 610 along the length direction of the passive rack 400 respectively, and a fine adjustment gap 640 is arranged between the mounting block 620 and the side wall surface of the guide rack 500, and the correction screw 630 passes through the mounting block 620 and abuts against the side wall surface of the guide rack 500 from the outside.

[0045] The fixed seat 610 is used to mount the mounting block 620, the mounting block 620 is used to mount the correction screw 630, the correction screw 630 is used to connect the guide rack 500 and adjust the position of the guide rack 500, so that the guide rack 500 is located at the middle part of the two passive racks 400, and the fine adjustment gap 640 is used to provide a space for the movement of the guide rack 500 between the mounting blocks 620.

[0046] Specifically, the number of the clamp rod groups is four, two of which are upper clamp rod groups and the other two are lower clamp rod groups, and the four clamp rod groups enclose a square workpiece clamping position.

[0047] Specifically, the mounting rack 200 is provided with a clamp rod fixing structure 220 on both sides, the clamp rod fixing structure 220 comprises a connecting shaft 221, a fixed soft rod 222, an inclined block 223, a push rod 224, a sliding groove 225, and a containing frame 226.

[0048] The two connecting shafts 221 are respectively installed at both ends of the clamp rod 100, the fixed soft rod 222 is slidingly connected to both sides of the mounting rack 200, one end of the fixed soft rod 222 is attached to the connecting shaft 221, the inclined block 223 is attached to the other end of the fixed soft rod 222, the push rod 224 is installed at the top end of the inclined block 223 and slidingly connected in the sliding groove 225, the sliding groove 225 is opened at the top end of the containing frame 226, and the containing frame 226 is installed on the mounting rack 200.

[0049] The connecting shaft 221 is used to enable the clamp rod 100 to rotate on the mounting rack 200, the fixed soft rod 222 is used to prevent the connecting shaft 221 from rotating, the inclined block 223 is used to press against the fixed soft rod 222 to attach the fixed soft rod 222 to the connecting shaft 221, the push rod 224 is used to move the inclined block 223, the sliding groove 225 is used to provide a sliding channel for the push rod 224, and the containing frame 226 is used to accommodate other internal components.

[0050] Specifically, the mounting rack 200 is provided with a clamp rod fixing structure 220 on both sides, the clamp rod fixing structure 220 comprises a connecting shaft 221, a fixed soft rod 222, an inclined block 223, a push rod 224, a sliding groove 225, and a containing frame 226.

[0051] The sliding block 230 is used to move the mounting rack 200 along the slide 240, and the slide 240 is used to provide a sliding channel for the sliding block 230;

[0052] Specifically, the bottom end of the rotating disc 700 is provided with a driving gear ring 900, and the driving gear ring 900 is meshingly connected to an external driving device.

[0053] The fixed frame 800 is used to connect the rotating disc 700 and the external device;

[0054] Specifically, the bottom end of the rotating disc 700 is provided with a driving gear ring 900, and the driving gear ring 900 is meshingly connected to an external driving device.

[0055] The driving gear ring 900 is used to connect the rotating disc 700 and the external driving device.

[0056] The working principle is that the workpiece to be processed is placed between the clamping rods 100, the cylinder 300 drives the mounting frame 200 to move, the mounting frame 200 drives the clamping rods 100 to move, and the staggered clamping rods 100 are fixed to the workpiece from the upper two sides and the lower two sides respectively;

[0057] In the process of moving the mounting frame 200, the driven rack 400 is driven to move, the driven rack 400 moves the driven rack 400 on the other side through the tooth groove 410 and the guide gear 510, reduces the error of the movement of the two mounting frames 200, and simultaneously, the mounting frame 200 moves along the slide 240 through the sliding block 230, the driven rack 400 moves along the guide groove 210, and the accuracy of the movement of the mounting frame 200 is ensured;

[0058] When it is necessary to correct the position of the guide gear 510, the correction bolt 630 is adjusted, the correction bolt 630 drives the guide frame 500 to move along the long axis direction of the driven rack 400 in the fine adjustment interval 640 between the mounting blocks 620, so that the guide frame 500 drives the guide gear 510 to be centered;

[0059] When it is necessary to further prevent the movement of the workpiece, the inclined top block 223 is driven to move by pushing the push rod 224 to move along the sliding groove 225, the inclined top block 223 drives the fixed soft rod 222 to move, the fixed soft rod 222 is attached to the connecting shaft 221, the rotation of the connecting shaft 221 is prevented, and thus the rotation of the clamping rod 100 is prevented.

[0060] The above only describes preferred embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made under the inventive concept of the utility model, or direct / indirect application in other related technical fields is included in the patent protection range of the utility model.

Claims

1. A misaligned clamp bar chuck, characterized by: The clamp pin group comprises a clamp pin (100) and a pneumatic cylinder (300), the clamp pin (100) is arranged at the output end of the pneumatic cylinder (300) to make linear reciprocating motion under the driving of the pneumatic cylinder (300), and the pneumatic cylinder (300) is arranged on a rotating disc (700); a plurality of the clamp pin groups are arranged in a vertical direction and staggered, and surround a hollow workpiece clamping position, and at least one pair of the clamp pin groups are arranged at the same horizontal height, and the output ends of the two pneumatic cylinders (300) and the clamp pin (100) included in the pair of the clamp pin groups are arranged opposite to each other.

2. The misregistered clamp bar chuck of claim 1 wherein: The clamp pin (100) is rotatably connected to a mounting frame (200), the mounting frame (200) is mounted at the output end of the pneumatic cylinder (300), and the two mounting frames (200) opposite to each other at the same horizontal height move on the same track.

3. The misregistered clamp bar chuck of claim 2 wherein: Passive reciprocating mechanisms are arranged between the two mounting frames (200) opposite to each other at the same horizontal height, the passive reciprocating mechanisms comprise passive racks (400) and guide gears (510), the passive racks (400) are arranged in the extension direction of the output end of the pneumatic cylinder (300), the two passive racks (400) are arranged in parallel and are arranged at the two mounting frames (200) opposite to each other at the same horizontal height respectively, and are engaged with the guide gears (510) respectively, and the guide gears (510) are rotatably arranged between the two mounting frames (200) opposite to each other at the same horizontal height, and the two ends of the mounting frame (200) are provided with guide grooves (210) matched with the passive racks (400).

4. The offset clamp bar chuck of claim 3 wherein: The guide gears (510) are rotatably arranged in guide frames (500), the guide frames (500) are arranged between the two mounting frames (200) opposite to each other at the same horizontal height, and the guide frames (500) are provided with guide grooves (520) through which one end of the passive rack (400) passes.

5. The offset clamp bar chuck of claim 4 wherein: The bottom end of the guide frame (500) is provided with a center correction structure (600), the center correction structure (600) comprises a fixed seat (610), mounting blocks (620) and correction bolts (630), the fixed seat (610) is arranged below the guide frame (500), the two mounting blocks (620) are arranged at the two sides of the fixed seat (610) along the length direction of the passive rack (400) respectively, and a fine adjustment distance (640) is arranged between the mounting block (620) and the side wall surface of the guide frame (500), and the correction bolt (630) passes through the mounting block (620) and abuts against the side wall surface of the guide frame (500) from the outside.

6. The offset clamp bar chuck according to any one of claims 1 to 5, wherein: The number of the clamp pin groups is four, of which two clamp pin groups are upper clamp pin groups, and the other two clamp pin groups are lower clamp pin groups, and the four clamp pin groups surround a square workpiece clamping position.

7. The offset clamp bar chuck of claim 2 wherein: Both sides of the mounting frame (200) are provided with clamping rod fixing structures (220), the clamping rod fixing structure (220) includes connecting shaft (221), fixed soft rod (222), inclined jack (223), push rod (224), sliding groove (225), and containing frame (226); two connecting shafts (221) are respectively installed at both ends of the clamping rod (100), the fixed soft rod (222) is slidably connected at both sides of the mounting frame (200), and one end of the fixed soft rod (222) is attached to the connecting shaft (221), the inclined jack (223) is attached to the other end of the fixed soft rod (222), the push rod (224) is installed at the top end of the inclined jack (223), and the push rod (224) is slidably connected in the sliding groove (225), the sliding groove (225) is opened at the top end of the containing frame (226), and the containing frame (226) is installed on the mounting frame (200).

8. The offset clamp bar chuck of claim 2 wherein: The bottom of the mounting frame (200) is provided with a sliding block (230) on both sides, and the sliding block (230) is slidably connected to the sliding channel (240).

9. The offset clamp bar chuck of claim 1 wherein: The rotating disc (700) is rotatably connected with a fixing frame (800), and the fixing frame (800) is installed on an external device.

10. The offset clamp bar chuck of claim 9 wherein: The bottom of the rotating disc (700) is provided with a driving gear ring (900), and the driving gear ring (900) is meshingly connected to an external driving device.

Images