Novel cylinder finger

Abstract

The utility model relates to a novel air cylinder finger. The technical problem that an existing finger is poor in clamping effect is solved. Comprising an air cylinder valve body, two clamping jaw bodies are connected to one end of the air cylinder valve body, a movable part movably connected with the interior of the air cylinder valve body is arranged in the middle of each clamping jaw body, a clamping part with a clamping structure is arranged at one end of each movable part, and a connecting part located in the air cylinder valve body is arranged at the other end of each movable part; the end, away from the clamping jaw bodies, of the driving connecting assembly is provided with a piston piece enabling the clamping parts of the two clamping jaw bodies to be opened and closed mutually, and the end, away from the piston piece, of the driving connecting assembly is provided with an elastic reset structure. The clamping jaw has the advantages that the clamping structure is installed on the clamping jaw body, so that the clamping effect of the clamping jaw body is enhanced, the phenomenon of falling during clamping is reduced, the elastic reset structure is used for completing clamping work on the clamping jaw body, the clamping jaw body is subjected to an auxiliary reset function, and stability is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of cylinder equipment, and specifically relates to a novel cylinder finger. Background Art

[0002] The main source of power for the finger cylinder is the piston and piston rod inside the cylinder, which move inside the cylinder under the condition of intentionally controlling the input and output of gas. The pneumatic finger uses this power to accurately clamp and center the object. However, the existing fingers are all straight structures, so the clamping effect is poor. This requires precise control of the clamping force. If the force is too strong, the object will be damaged, and if the force is too weak, it will fall off. In addition, debugging is too troublesome and time-consuming. Summary of the invention

[0003] The purpose of the utility model is to provide a novel cylinder finger in view of the above problems.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a new type of cylinder finger, including a cylinder valve body, one end of the cylinder valve body is connected to two clamping jaws, the middle part of the clamping jaw body is provided with a movable part movably connected to the inside of the cylinder valve body, one end of the movable part is provided with a clamping part with a clamping structure, and the other end is provided with a connecting part located in the cylinder valve body, the cylinder valve body is provided with a driving connection assembly connected to the connecting part, the end of the driving connection assembly away from the clamping jaw body is provided with a piston member that can make the clamping parts of the two clamping jaw bodies open and close with each other, and the end of the driving connection assembly away from the piston member is provided with an elastic reset structure. Under the control of the driving connection assembly and the piston member, the clamping part of the clamping jaw body performs an opening and closing action, and at the same time cooperates with the clamping structure to enhance the clamping effect of the clamping jaw body.

[0005] In the above-mentioned novel cylinder finger, the movable part is provided with a clamping claw movable hole, the cylinder valve body is provided with a plurality of clamping claw fixing holes corresponding to the clamping claw movable holes, and the connecting part is provided with a clamping claw connecting hole at one end away from the movable part. The clamping claw body is connected to the cylinder valve body through the clamping claw movable hole, and the clamping claw body rotates through the clamping claw movable hole.

[0006] In the above-mentioned novel cylinder finger, the clamping part is arranged outside the cylinder valve body, a clamping space is provided between the two clamping parts, the clamping structure comprises a clamping part arranged on the side of the clamping part close to the clamping space, one end of the clamping part is provided with an arc groove facing the clamping space, and one end of the arc groove is provided with a plurality of axially arranged protrusions. The clamping ability of the clamping claw body to the object is strengthened, the overall use effect is improved, and the phenomenon of clamping looseness is reduced.

[0007] In the above-mentioned novel cylinder finger, the driving connection assembly includes a connecting rod axially arranged in the cylinder valve body, and a plurality of connecting plates corresponding to the clamping jaw body are respectively arranged on both sides of one end of the connecting rod, and a first connecting hole corresponding to the clamping jaw connecting hole is arranged at one end of the connecting plate, and a second connecting hole is arranged at the other end, and a rod body fixing hole corresponding to the second connecting hole is arranged on the connecting rod. Power is transmitted to the clamping jaw body through the connecting plate, so that the clamping jaw body rotates around the clamping jaw movable hole.

[0008] In the above-mentioned novel cylinder finger, one end of the connecting rod is provided with a clamping portion, one end of the clamping portion is provided with a first connecting block, the clamping portion is provided with a second connecting block near one end of the connecting rod, the first connecting block is provided with a step portion near one end of the second connecting block, and the width of the first connecting block is smaller than the width of the second connecting block. The first connecting block and the second connecting block ensure the firmness of the connecting rod.

[0009] In the above-mentioned new type of cylinder finger, an installation cavity is provided in the cylinder valve body, one end of the installation cavity has a clamping claw installation cavity for placing the connecting part of the clamping claw body, and the other end is provided with a drive installation cavity, and the width of the clamping claw installation cavity is greater than the width of the drive installation cavity.

[0010] In the above-mentioned novel cylinder finger, the piston member is arranged in the driving installation cavity, a piston groove is arranged on the inner side of the piston member, and the step portion and the first connecting block are axially arranged in the piston groove.

[0011] In the above-mentioned novel cylinder finger, a sealing ring is provided between the piston and the connecting rod, the sealing ring is sleeved on the outside of the second connecting block, one end of the sealing ring contacts the connecting rod, and the other end contacts the piston, and the cross section of the sealing ring is a Y-shaped structure. The sealing ring can improve the sealing effect between the piston and the connecting rod, thereby improving the overall stability.

[0012] In the above-mentioned new type of cylinder finger, the elastic reset structure includes a first protrusion arranged on one end of the connecting rod close to the clamping claw body, a positioning block is provided on the inner side of one end of the cylinder valve body close to the movable part, the positioning block is coaxially arranged with the connecting rod, a second protrusion corresponding to the first protrusion is provided at one end of the positioning block, and an elastic reset guide assembly is provided between the positioning block and the connecting rod.

[0013] In the above-mentioned novel cylinder finger, the elastic reset guide assembly includes a guide tube arranged between the positioning block and the connecting rod, the guide tube is made of plastic material, one end of the guide tube is fixedly connected to the positioning block, and the other end is axially movable in the connecting rod, and a spring member is sleeved on the outer side of the guide tube, one end of the spring member is connected to the first protrusion, and the other end is connected to the second protrusion. The spring member can assist in reset when the clamp body is working.

[0014] Compared with the existing technology, the advantages of the utility model are:

[0015] The device installs a clamping structure on the clamping jaw body, thereby strengthening the clamping effect of the clamping jaw body and reducing the phenomenon of clamping falling off. The device also uses an elastic reset structure to complete the clamping work on the clamping jaw body, assist in resetting the clamping jaw body, and improve stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] Figure 2 It is a partial cross-sectional view of the cylinder valve body in the utility model.

[0018] Figure 3 It is a partial cross-sectional view of the cylinder valve body in the utility model from another perspective.

[0019] Figure 4 It is a structural schematic diagram of the clamping claw body in the utility model.

[0020] Figure 5 It is a structural schematic diagram of the connecting piece in the utility model.

[0021] In the figure: cylinder valve body 1, clamping jaw fixing hole 11, installation cavity 12, clamping jaw installation cavity 13, drive installation cavity 14, clamping jaw body 2, movable part 21, clamping part 22, connecting part 23, clamping jaw movable hole 24, clamping jaw connecting hole 25, clamping space 26, clamping structure 3, clamping part 31, arc groove 32, protrusion 33, drive connection assembly 4, connecting rod 41, connecting piece 42, first connecting hole 43, second connecting hole 44, rod body fixing hole 45, clamping part 46, first connecting block 47, second connecting block 48, step part 49, piston member 5, piston groove 51, sealing ring 52, elastic reset structure 6, first protrusion 61, positioning block 62, second protrusion 63, elastic reset guide assembly 7, guide tube 71, spring member 72. DETAILED DESCRIPTION

[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0023] like Figure 1-5As shown, a novel cylinder finger comprises a cylinder valve body 1, one end of the cylinder valve body 1 is connected to two clamping jaw bodies 2, the middle of the clamping jaw body 2 is provided with a movable part 21 movably connected to the inside of the cylinder valve body 1, one end of the movable part 21 is provided with a clamping part 22 with a clamping structure 3, and the other end is provided with a connecting part 23 located in the cylinder valve body 1, and a driving connection component 4 connected to the connecting part 23 is provided in the cylinder valve body 1, and the driving connection component 4 is provided with a piston 5 that can make the clamping parts 22 of the two clamping jaw bodies 2 open and close with each other at one end away from the clamping jaw body 2, and an elastic reset structure 6 is provided at one end of the driving connection component 4 away from the piston 5. Under the control of the driving connection component 4 and the piston 5, the clamping part 22 of the clamping jaw body 2 performs an opening and closing action, and cooperates with the clamping structure 3 to enhance the clamping effect of the clamping jaw body 2.

[0024] Combination Figure 1 and Figure 4 As shown, the movable part 21 is provided with a clamping jaw movable hole 24, the cylinder valve body 1 is provided with a plurality of clamping jaw fixing holes 11 corresponding to the clamping jaw movable holes 24, and the connecting part 23 is provided with a clamping jaw connecting hole 25 at one end away from the movable part 21. The clamping jaw body 2 is connected to the cylinder valve body 1 through the clamping jaw movable hole 24, and the clamping jaw body 2 rotates through the clamping jaw movable hole 24.

[0025] The clamping part 22 is arranged outside the cylinder valve body 1, and a clamping space 26 is provided between the two clamping parts 22. The clamping structure 3 includes a clamping part 31 arranged on the side of the clamping part 22 close to the clamping space 26, and an arc groove 32 is provided at one end of the clamping part 31 toward the clamping space 26, and a plurality of axially arranged protrusions 33 are provided at one end of the arc groove 32. The clamping ability of the clamping jaw body 2 on the object is strengthened, the overall use effect is improved, and the phenomenon of clamping looseness is reduced.

[0026] Combination Figure 1 and Figure 5 As shown, the driving connection assembly 4 includes a connecting rod 41 axially arranged in the cylinder valve body 1, and a plurality of connecting pieces 42 corresponding to the clamping jaw body 2 are respectively arranged on both sides of one end of the connecting rod 41, a first connecting hole 43 corresponding to the clamping jaw connecting hole 25 is arranged at one end of the connecting piece 42, and a second connecting hole 44 is arranged at the other end, and a rod body fixing hole 45 corresponding to the second connecting hole 44 is arranged on the connecting rod 41. Power is transmitted to the clamping jaw body 2 through the connecting piece 42, so that the clamping jaw body 2 rotates around the clamping jaw movable hole 24.

[0027] like Figure 1As shown, a clamping portion 46 is provided at one end of the connecting rod 41, a first connecting block 47 is provided at one end of the clamping portion 46, a second connecting block 48 is provided at one end of the clamping portion 46 close to the connecting rod 41, a step portion 49 is provided at one end of the first connecting block 47 close to the second connecting block 48, and the width of the first connecting block 47 is smaller than the width of the second connecting block 48. The first connecting block 47 and the second connecting block 48 ensure the firmness of the connecting rod 41.

[0028] Combination Figure 2 and Figure 3 As shown, a mounting cavity 12 is provided in the cylinder valve body 1, one end of the mounting cavity 12 has a clamp mounting cavity 13 for placing the connecting portion 23 of the clamp body 2, and the other end is provided with a drive mounting cavity 14, and the width of the clamp mounting cavity 13 is greater than the width of the drive mounting cavity 14.

[0029] like Figure 1 As shown, the piston member 5 is disposed in the driving installation cavity 14 , a piston groove 51 is disposed on the inner side of the piston member 5 , and the step portion 49 and the first connecting block 47 are axially disposed in the piston groove 51 .

[0030] Among them, a sealing ring 52 is provided between the piston member 5 and the connecting rod 41, and the sealing ring 52 is sleeved on the outside of the second connecting block 48. One end of the sealing ring 52 contacts the connecting rod 41, and the other end contacts the piston member 5, and the cross section of the sealing ring 52 is a Y-shaped structure. The sealing ring 52 can improve the sealing effect between the piston member 5 and the connecting rod 41, thereby improving the overall stability.

[0031] Specifically, the elastic reset structure 6 includes a first protrusion 61 arranged at one end of the connecting rod 41 close to the clamping jaw body 2, a positioning block 62 is provided on the inner side of one end of the cylinder valve body 1 close to the movable part 21, the positioning block 62 is coaxially arranged with the connecting rod 41, a second protrusion 63 corresponding to the first protrusion 61 is provided at one end of the positioning block 62, and an elastic reset guide assembly 7 is provided between the positioning block 62 and the connecting rod 41.

[0032] Furthermore, the elastic reset guide assembly 7 includes a guide tube 71 disposed between the positioning block 62 and the connecting rod 41, the guide tube 71 is made of plastic material, one end of the guide tube 71 is fixedly connected to the positioning block 62, and the other end is axially movable in the connecting rod 41, and a spring member 72 is sleeved on the outer side of the guide tube 71, one end of the spring member 72 is connected to the first protrusion 61, and the other end is connected to the second protrusion 63. When the clamp body 2 is working, the spring member 72 can be used for auxiliary reset.

[0033] The principle of this embodiment is:

[0034] Driven by the connecting rod 41 and the piston member 5, the connecting piece 42 moves toward both sides and drives the connecting portion 23 to move. At the same time, the spring member 72 begins to tighten, and the clamping jaw body 2 moves the clamping portion 22 toward the clamping space 26 around the clamping jaw movable hole 24, thereby clamping the object. When the clamping is completed, the spring member 72 begins to reset, driving the connecting piece 42 to move inward, thereby moving the clamping portion 22 away from the clamping space 26.

[0035] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0036] Although this article uses more terms such as cylinder valve body 1, jaw fixing hole 11, installation cavity 12, jaw installation cavity 13, drive installation cavity 14, jaw body 2, movable part 21, clamping part 22, connecting part 23, jaw movable hole 24, jaw connecting hole 25, clamping space 26, clamping structure 3, clamping part 31, arc groove 32, protrusion 33, drive connection assembly 4, connecting rod 41, connecting plate 42, first connecting hole 43, second connecting hole 44, rod body fixing hole 45, clamping part 46, first connecting block 47, second connecting block 48, step part 49, piston member 5, piston groove 51, sealing ring 52, elastic reset structure 6, first protrusion 61, positioning block 62, second protrusion 63, elastic reset guide assembly 7, guide tube 71, spring member 72, etc., it does not exclude the possibility of using other terms. These terms are used only to more conveniently describe and explain the essence of the present invention; any additional limitations interpreted as these terms are contrary to the spirit of the present invention.

Claims

1. A novel cylinder finger, comprising a cylinder valve body (1), one end of which is connected to two clamping claw bodies (2), characterized in that: The middle part of the clamping jaw body (2) is provided with a movable part (21) movably connected to the inside of the cylinder valve body (1); one end of the movable part (21) is provided with a clamping part (22) having a clamping structure (3); the other end is provided with a connecting part (23) located in the cylinder valve body (1); a driving connection component (4) connected to the connecting part (23) is provided in the cylinder valve body (1); the end of the driving connection component (4) away from the clamping jaw body (2) is provided with a piston member (5) capable of opening and closing the clamping parts (22) of the two clamping jaw bodies (2); and the end of the driving connection component (4) away from the piston member (5) is provided with an elastic reset structure (6); The clamping portion (22) is arranged on the outside of the cylinder valve body (1), and a clamping space (26) is provided between the two clamping portions (22). The clamping structure (3) comprises a clamping portion (31) arranged on the side of the clamping portion (22) close to the clamping space (26), one end of the clamping portion (31) is provided with an arc-shaped groove (32) facing the clamping space (26), and one end of the arc-shaped groove (32) is provided with a plurality of axially arranged protrusions (33).

2. A novel cylinder finger according to claim 1, characterized in that: The movable part (21) is provided with a clamping claw movable hole (24), the cylinder valve body (1) is provided with a plurality of clamping claw fixing holes (11) corresponding to the clamping claw movable holes (24), and the connecting part (23) is provided with a clamping claw connecting hole (25) at one end away from the movable part (21).

3. A new type of cylinder finger according to claim 2, characterized in that: The driving connection assembly (4) comprises a connecting rod (41) axially arranged in the cylinder valve body (1); a plurality of connecting plates (42) corresponding to the clamping jaw body (2) are respectively arranged on both sides of one end of the connecting rod (41); a first connecting hole (43) corresponding to the clamping jaw connecting hole (25) is arranged at one end of the connecting plate (42); a second connecting hole (44) is arranged at the other end; and a rod body fixing hole (45) corresponding to the second connecting hole (44) is arranged on the connecting rod (41).

4. A novel cylinder finger according to claim 3, characterized in that: A clamping portion (46) is provided at one end of the connecting rod (41), a first connecting block (47) is provided at one end of the clamping portion (46), a second connecting block (48) is provided at one end of the clamping portion (46) close to the connecting rod (41), a step portion (49) is provided at one end of the first connecting block (47) close to the second connecting block (48), and the width of the first connecting block (47) is smaller than the width of the second connecting block (48).

5. A novel cylinder finger according to claim 4, characterized in that: The cylinder valve body (1) is provided with a mounting cavity (12), one end of the mounting cavity (12) is provided with a clamping jaw mounting cavity (13) for placing the connecting portion (23) of the clamping jaw body (2), and the other end is provided with a driving mounting cavity (14), and the width of the clamping jaw mounting cavity (13) is greater than the width of the driving mounting cavity (14).

6. A novel cylinder finger according to claim 5, characterized in that: The piston member (5) is arranged in the driving installation cavity (14), a piston groove (51) is arranged inside the piston member (5), and the step portion (49) and the first connecting block (47) are axially arranged in the piston groove (51).

7. A novel cylinder finger according to claim 6, characterized in that: A sealing ring (52) is provided between the piston member (5) and the connecting rod (41). The sealing ring (52) is sleeved on the outside of the second connecting block (48). One end of the sealing ring (52) contacts the connecting rod (41) and the other end contacts the piston member (5). The cross section of the sealing ring (52) is a Y-shaped structure.

8. A novel cylinder finger according to claim 3, characterized in that: The elastic reset structure (6) comprises a first protrusion (61) arranged at one end of the connecting rod (41) close to the clamping claw body (2), a positioning block (62) is arranged on the inner side of one end of the cylinder valve body (1) close to the movable part (21), the positioning block (62) is coaxially arranged with the connecting rod (41), a second protrusion (63) corresponding to the first protrusion (61) is arranged at one end of the positioning block (62), and an elastic reset guide component (7) is arranged between the positioning block (62) and the connecting rod (41).

9. A novel cylinder finger according to claim 8, characterized in that: The elastic reset guide assembly (7) comprises a guide tube (71) arranged between the positioning block (62) and the connecting rod (41), the guide tube (71) being made of plastic material, one end of the guide tube (71) being fixedly connected to the positioning block (62), and the other end being axially movable in the connecting rod (41), and a spring member (72) being sleeved on the outer side of the guide tube (71), one end of the spring member (72) being connected to the first protrusion (61), and the other end being connected to the second protrusion (63).

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