Needle type clamping jaw

Abstract

The utility model discloses a needle type clamping jaw which comprises a machine frame and a pneumatic finger. Two sliding blocks capable of sliding are arranged in the machine frame, and two clamping jaws of the pneumatic finger are connected with the two sliding blocks respectively. A sliding seat capable of vertically sliding is arranged on the sliding block, and a guide groove matched with the sliding seat is formed in the inner wall of the rack; a plurality of steel needles are arranged at the top of the sliding seat, and guide shafts are arranged on the two sides of the sliding seat respectively and extend into the guide grooves; the clamping jaw is controlled through the pneumatic finger, then the sliding block is driven to move, the sliding seats capable of vertically sliding on the sliding block move under the action of the guide groove in the inner wall of the rack, the motion trail of the steel needles is more stable and accurate, and the steel needles on the two sliding seats can be flexibly arranged in a staggered mode after penetrating through the rack so as to meet different grabbing requirements. The driving structure is simple, the requirement for installation space is small, and the requirement for arranging the clamping jaws in batches can be well met.

Description

TECHNICAL FIELD

[0001] The utility model relates to glove production technical field, more specifically, especially relate to a needle type clamping jaw. BACKGROUND

[0002] In the production process of gloves, the needle hook clamping jaw is generally used when grabbing gloves, and such grabbing equipment is usually composed of two groups of inclined needles and connecting components, and its working principle is to use the needle to pierce into the surface of the object, and the object is grabbed and fixed through the hooking action of the two groups of staggered needles. The structure of the existing needle hook clamping jaw is complex, and the two groups of inclined needles need to be driven by a separate cylinder or motor, resulting in a large size and an insufficiently compact structure. When multiple grabbing devices need to be arranged side by side, a large amount of space will be occupied, and it is difficult to meet the requirement of grabbing multiple gloves at the same time. SUMMARY

[0003] The utility model provides a needle type clamping jaw to solve the problem in the above background technology. In order to achieve the above purpose, the utility model provides the following technical scheme: a needle type clamping jaw, comprising a rack and a pneumatic finger; two slidable sliding blocks are arranged in the rack, and two clamping jaws of the pneumatic finger are connected with the two sliding blocks respectively;

[0004] A vertically slidable sliding seat is arranged on the sliding block, and a guide groove matched with the sliding seat is arranged on the inner wall of the rack; a plurality of steel needles are arranged on the top of the sliding seat, and guide shafts are arranged on both sides of the sliding seat respectively, and the guide shafts extend into the guide groove;

[0005] When the sliding block moves, the sliding seat moves under the action of the guide groove; the steel needles on the two sliding seats are arranged staggeredly after penetrating through the rack.

[0006] Preferably, the guide groove comprises an inclined section and a horizontal section, and the included angle between the inclined section and the horizontal section is greater than 90 degrees and less than 180 degrees.

[0007] Preferably, side baffles are arranged on both sides of the sliding block, U-shaped grooves are arranged on the side baffles, and the U-shaped grooves are arranged in matched mode with the guide shafts; the sliding seat is arranged between the two side baffles and connected with the U-shaped grooves through the rotating shafts.

[0008] Preferably, the two sliding seats are connected through guide rods, and the sliding seat and the guide rod are connected in a slidable mode.

[0009] Preferably, the sliding seat comprises a sliding seat and a needle seat, the guide shafts are arranged on the side wall of the sliding seat, the needle seat is adjustably arranged on the top of the sliding seat, and the steel needles are arranged on the needle seat.

[0010] Preferably, the top of the needle holder is provided with a needle pressing plate and a plurality of arc-shaped grooves; the needle pressing plate is connected with the needle holder through bolts; the steel needles are installed in the arc-shaped grooves and are limited in the arc-shaped grooves by the needle pressing plate.

[0011] Preferably, the top of the sliding seat is provided with a dovetail block, the bottom of the needle holder is provided with a dovetail groove matched with the dovetail block; the sliding seat is provided with an adjusting groove, the adjusting groove is provided with an adjusting screw, the dovetail groove is provided with an adjusting block, the adjusting block is provided with a threaded hole, and the adjusting screw is threadedly connected with the threaded hole.

[0012] Preferably, the side wall of the rack is provided with a through groove matched with the adjusting screw.

[0013] Preferably, the rack is provided with a pair of parallel straight light axes, and the sliding block is slidably arranged on the straight light axes; the bottom of the sliding block is provided with a guide column, and the sliding block is connected with the clamping jaw of the pneumatic finger through the guide column.

[0014] Preferably, the top of the rack is provided with a plurality of strip-shaped grooves, the strip-shaped grooves are matched with the steel needles one by one, and the steel needles can pass through the strip-shaped grooves.

[0015] Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a pneumatic finger control clamping jaw, and then drives the sliding block to move, and the vertically-slidable sliding seat on the sliding block moves under the action of the guide groove in the inner wall of the rack, so that the movement track of the steel needle is more stable and accurate, and the steel needles on the two sliding seats can be flexibly arranged staggeredly after passing through the rack to adapt to different grabbing requirements. The driving structure of the utility model is simple, the whole clamping jaw device is small in size, and is convenient to install and maintain, and has small installation space requirement, can well meet the requirement of batch setting clamping jaws, and effectively improves the grabbing efficiency of gloves. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure diagram of the needle type clamping jaw of the utility model embodiment.

[0017] Figure 2 It is a side view of the needle type clamping jaw of the utility model embodiment.

[0018] Figure 3 It is a side sectional view of the needle type clamping jaw of the utility model embodiment.

[0019] Figure 4 It is a front sectional view of the needle type clamping jaw of the utility model embodiment.

[0020] Figure 5 It is an explosion view of the needle type clamping jaw of the utility model embodiment.

[0021] Figure 6 Another angle of the explosion view of the pin type clamping jaw of the embodiment of the present application;

[0022] Figure 7 For Figure 6 The enlarged view at A in the middle;

[0023] In Figures 1 to 7 In which the correspondence between the component names and the figure numbers is:

[0024] 1--machine frame, 11--guide groove, 111--inclined section, 112--horizontal section, 12--through groove, 13--straight light axis, 14--strip-shaped groove, 2--pneumatic finger, 3--slider, 31--side baffle, 32--U-shaped groove, 33--guide column, 4--sliding seat, 41--slide, 411--dovetail block, 412--adjusting groove, 413--adjusting screw, 42--needle seat, 421--arc-shaped groove, 422--dovetail groove, 423--adjusting block, 43--needle pressing plate, 5--steel needle, 6--guide shaft, 7--guide rod. DETAILED DESCRIPTION

[0025] The embodiment of the present application will be further described in detail below in combination with the drawings and examples, and the accompanying drawings are only for reference and are not used to limit the embodiments of the present application. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0026] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] Please refer to Figures 1 to 7The utility model provides a needle type clamp jaw, including frame 1 and pneumatic finger 2, be equipped with two slideable sliding block 3 in frame 1, two clamp jaws of pneumatic finger 2 are connected with two sliding block 3 respectively,

[0029] Be equipped with the slide seat 4 of vertical sliding of sliding block 3, the inner wall of frame 1 is equipped with the guide groove 11 matched with slide seat 4, the top of slide seat 4 is equipped with a plurality of steel needle 5, and both sides are equipped with guide shaft 6 respectively, the guide shaft 6 extends into guide groove 11,

[0030] Sliding block 3 moves, and slide seat 4 moves under the action of guide groove 11, and the steel needle 5 on two slide seats 4 is arranged staggeredly after passing through frame 1.

[0031] The pneumatic finger 2 used in the embodiment is also called finger cylinder, is a commonly used clamp in pneumatic industry, is a parallel pneumatic finger 2, is driven to the clamp jaw to be close to each other or separate through the action of two pistons.In the embodiment of the utility model, two sliding blocks 3 are slidably arranged in the inside of frame 1, and one vertical sliding slide seat 4 is arranged on each sliding block 3, so that there are two slide seats 4 in frame 1, and steel needle 5 is arranged on each slide seat 4, and the steel needle 5 on two slide seats 4 is oppositely arranged, when slide seat 4 moves, steel needle 5 moves along, and the structure of interlacing each other is formed, and steel needle 5 is inserted into the glove in the moving process, and the steel needle 5 on two slide seats 4 can stably clamp the glove after interlacing.

[0032] Specifically, the pneumatic finger 2 controls the clamp jaw, and then drives the sliding block 3 to move, so that relatively accurate position control can be realized.The slide seat 4 on the sliding block 3 can move under the action of the guide groove 11 in the inner wall of the frame 1, so that the movement track of the steel needle 5 is more stable and accurate, and the steel needle 5 on the two slide seats 4 can be arranged staggeredly after passing through the frame 1, to adapt to different grabbing requirements.The interlaced steel needle 5 pierces into the surface of the glove, increases the contact point and friction force with the glove, so as to improve the stability of grabbing and prevent the object from slipping.

[0033] Further, in order to improve the smoothness of sliding, the guide shaft 6 can also be provided with a pulley or a bearing, which is in contact with the guide groove 11 through the pulley or the bearing, can convert sliding friction into rolling friction, which makes the slide seat 4 move more smoothly in the guide groove 11, and the required driving force is smaller, so as to improve the efficiency of the system.

[0034] The structure of the embodiment has high reliability, the guide groove 11 on the inner wall of the rack 1 cooperates with the guide shaft 6 on both sides of the sliding seat 4 to provide stable guidance for the movement of the sliding seat 4, reduce the possibility of shaking and deviation, and improve the reliability and durability of the entire clamping jaw structure. Further, by replacing the inner wall of the rack 1 with different guide grooves 11, the grabbing of gloves of different thicknesses can be quickly adapted.

[0035] Preferably, the guide groove 11 comprises an inclined section 111 and a horizontal section 112, and the included angle between the inclined section 111 and the horizontal section 112 is greater than 90 degrees and less than 180 degrees. In the embodiment, the inclined section 111 and the horizontal section 112 are arranged so that the sliding seat 4 moves along the inclined section 111 first and then transitions to the horizontal section 112 during movement. Such a design allows the steel needle 5 to have a unique movement trajectory when extending and retracting. For example, when grabbing an object, the steel needle 5 first approaches the object at an inclined angle, making it easier to penetrate the surface of the object, and then moves horizontally to better secure the object and improve the success rate and stability of grabbing.

[0036] Preferably, the two sides of the sliding block 3 are respectively provided with side plates 31, the side plates 31 are provided with U-shaped grooves 32, the U-shaped grooves 32 are cooperatively arranged with the guide shaft 6, and the sliding seat 4 is arranged between the two side plates 31 and connected with the U-shaped grooves 32 through the rotating shaft. In the embodiment, the side plates 31 are arranged on both sides of the sliding block 3, and the U-shaped grooves are cooperated with the guide shaft 6 to provide guidance and support for the sliding seat 4. This double-sided guide structure can better limit the shaking and deviation of the sliding seat 4 in the horizontal direction, making the lifting movement of the sliding seat 4 more stable, and further improving the accuracy of the movement of the steel needle 5, which is conducive to improving the precision of the clamping jaw in grabbing objects.

[0037] Preferably, the two sliding seats 4 are connected by a guide rod 7, and the sliding seat 4 and the guide rod 7 are slidably connected. In the embodiment, the two sliding seats 4 are connected by the guide rod 7, which can ensure that the two sliding seats 4 maintain good synchronicity during movement, so that the steel needles 5 on the two sliding seats 4 can be more accurately arranged in a staggered manner, improving the coordination and consistency of the grabbing action. In addition, the guide rod 7 can increase the stability of the entire structure, and the guide rod 7 can transmit force between the two sliding seats 4, so that the entire structure can better withstand and disperse external forces during grabbing, reducing the risk of structural deformation or damage caused by uneven stress.

[0038] Preferably, the sliding seat 4 comprises a sliding base 41 and a needle base 42, the guide shaft 6 is arranged on the side wall of the sliding base 41, the needle base 42 is arranged on the top of the sliding base 41 in a position-adjustable manner, and the steel needle 5 is arranged on the needle base 42. In the embodiment, the needle base 42 is arranged on the top of the sliding base 41 in a position-adjustable manner, which means that the position of the steel needle 5 can be flexibly adjusted according to actual grasping requirements, and the gripper can adapt to various types of grasping requirements. In addition, the sliding seat 4 is divided into the sliding base 41 and the needle base 42, so that when the steel needle 5 or the needle base 42 is worn or damaged, only the needle base 42 needs to be maintained or replaced, without the need to disassemble the entire sliding seat 4, thereby reducing the maintenance cost and difficulty.

[0039] Preferably, the top of the needle base 42 is provided with a needle pressing plate 43 and a plurality of arc-shaped grooves 421; the needle pressing plate 43 is connected to the needle base 42 by bolts; and the steel needle 5 is installed in the arc-shaped grooves 421 and is limited in the arc-shaped grooves 421 by the needle pressing plate 43. In the embodiment, the steel needle 5 is installed in the arc-shaped grooves 421 and is limited by the needle pressing plate 43 through bolt fastening, which can effectively prevent the steel needle 5 from loosening, shifting or falling off during use. Through the above structure, the needle pressing plate 43 can be easily disassembled by loosening the bolts, so that the steel needle 5 in the arc-shaped grooves 421 can be conveniently taken out and replaced. This design enables quick operation when the steel needle 5 is worn, damaged or needs to be replaced with a different specification, thereby improving the maintenance efficiency of the gripper.

[0040] Preferably, the top of the sliding base 41 is provided with a dovetail block 411, the bottom of the needle base 42 is provided with a dovetail groove 422 matched with the dovetail block 411, the sliding base 41 is provided with an adjusting groove 412, the adjusting groove 412 is provided with an adjusting screw 413, the dovetail groove 422 is provided with an adjusting block 423, the adjusting block 423 is provided with a threaded hole, and the adjusting screw 413 is threadedly connected with the threaded hole. In the embodiment, the matching structure of the dovetail block 411 and the dovetail groove 422 can provide good guidance and positioning for the needle base 42 and the sliding base 41. When the position of the needle base 42 needs to be adjusted, the adjusting screw 413 can be rotated, and since the adjusting screw 413 is threadedly connected with the threaded hole of the adjusting block 423, the adjusting block 423 drives the needle base 42 to adjust the position on the sliding base 41. This threaded connection mode can achieve relatively accurate position adjustment, and the position of the needle base 42 can be accurately controlled according to different grasping tasks, so that the steel needle 5 can reach the best grasping position and angle.

[0041] Preferably, the side wall of the rack 1 is provided with a through slot 12 matched with the adjusting screw 413. Through the above structure, the through slot 12 provides a quick adjusting channel for the adjusting screw 413, and the operator can directly operate the adjusting screw 413 inside the rack 1 outside the rack 1 by using a tool, such as rotating the adjusting screw 413 by a screwdriver to adjust the position of the needle seat 42. In this way, the position of the needle seat 42 can be quickly adjusted without opening the rack 1, thereby improving the convenience and efficiency of adjustment.

[0042] Preferably, the rack 1 is provided with a pair of parallel linear light axes 13, and the sliding block 3 is slidably arranged on the linear light axes 13; the bottom of the sliding block 3 is provided with a guide column 33, and the sliding block 3 is connected with the clamping jaw of the pneumatic finger 2 through the guide column 33. The pair of parallel linear light axes 13 provide accurate guiding for the sliding block 3, can ensure the stable sliding of the sliding block 3 along the direction of the linear light axes 13, reduce the shaking and deviation of the sliding block 3 in the movement process, and further ensure that the clamping jaw of the pneumatic finger 2 connected therewith can accurately reach the target position, thereby improving the grabbing precision.

[0043] Preferably, the top of the rack 1 is provided with a plurality of strip-shaped grooves 14, which are matched with the steel needles 5 one by one and through which the steel needles 5 pass.

[0044] Compared with the prior art, the utility model has the beneficial effects that: the utility model discloses a pneumatic finger control clamping jaw, and then drives the sliding block to move, and the vertically-slidable sliding seat on the sliding block moves under the action of the rack inner wall guide groove, so that the movement track of the steel needle is more stable and accurate, and the steel needles on the two sliding seats can be flexibly arranged in a staggered manner after passing through the rack to adapt to different grabbing requirements. The driving structure of the utility model is simple, the whole clamping jaw device is small in size, convenient to install and maintain, small in installation space requirement, can well meet the requirement of batch setting clamping jaws, and effectively improves the glove grabbing efficiency.

[0045] The embodiments of the utility model are given for example and description, and are not exhaustive or limit the utility model to the disclosed forms. Many modifications and changes are obvious to those skilled in the art. The embodiments are selected and described for better illustrating the principles and practical application of the utility model, and enabling those skilled in the art to understand the utility model so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. A needle-type gripper, characterized in that, It includes a frame (1) and pneumatic fingers (2); the frame is provided with two slidable sliders (3), and the two grippers of the pneumatic fingers are respectively connected to the two sliders; The slider is provided with a vertically sliding seat (4), and the inner wall of the frame is provided with a guide groove (11) that cooperates with the sliding seat; the top of the sliding seat is provided with several steel needles (5), and guide shafts (6) are provided on both sides respectively, and the guide shafts extend into the guide groove. When the slider moves, the sliding seat moves under the action of the guide groove; the steel needles on the two sliding seats are arranged alternately after passing through the frame.

2. The needle gripper according to claim 1, characterized in that, The guide groove includes an inclined section (111) and a horizontal section (112), and the angle between the inclined section and the horizontal section is greater than 90 degrees and less than 180 degrees.

3. The needle gripper according to claim 1, characterized in that, The slider is provided with side baffles (31) on both sides, and the side baffles are provided with U-shaped grooves (32), which are configured to cooperate with the guide shaft; the sliding seat is located between the two side baffles and is connected to the U-shaped groove through the rotating shaft.

4. The needle gripper according to claim 3, characterized in that, The two sliding seats are connected by a guide rod (7), and the sliding seats and the guide rod are slidably connected.

5. The needle gripper according to claim 1, characterized in that, The sliding seat includes a sliding seat (41) and a needle seat (42). The guide shaft is disposed on the side wall of the sliding seat. The needle seat is adjustablely disposed on the top of the sliding seat. The steel needle is disposed on the needle seat.

6. The needle gripper according to claim 5, characterized in that, The top of the needle holder is provided with a pressure plate (43) and several arc-shaped grooves (421); the pressure plate is connected to the needle holder by bolts; the steel needle is installed in the arc-shaped groove and is limited in the arc-shaped groove by the pressure plate.

7. The needle gripper according to claim 5, characterized in that, The top of the slide is provided with a dovetail block (411), and the bottom of the needle seat is provided with a dovetail groove (422) that matches the dovetail block; the slide is provided with an adjustment groove (412), the adjustment groove is provided with an adjustment screw (413), the dovetail groove is provided with an adjustment block (423), the adjustment block is provided with a threaded hole, and the adjustment screw is threadedly connected to the threaded hole.

8. The needle gripper according to claim 7, characterized in that, The side wall of the frame is provided with a through groove (12) that cooperates with the adjusting screw.

9. The needle gripper according to claim 1, characterized in that, The frame is provided with a pair of parallel linear optical axes (13), and the slider is slidably disposed on the linear optical axes; the bottom of the slider is provided with a guide post (33), and the slider is connected to the gripper of the pneumatic finger through the guide post.

10. The needle gripper according to claim 1, characterized in that, The top of the frame is provided with several strip grooves (14), which are matched with steel needles one by one and can be passed through by the steel needles.

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