Positioning device for grabbing elastic soft materials

Abstract

The utility model discloses a positioning device for grabbing elastic soft materials, which belongs to the technical field of sponge processing and comprises a conveying device, an adjustable clamping driving device and a centering clamping device. Two groups of centering clamping devices are mounted at the lower end of the adjustable clamping driving device, the two groups of centering clamping devices are symmetrically arranged front and back, and each group of centering clamping devices comprises two centering clamping devices which are symmetrically arranged left and right; the centering clamping device comprises a flexible clamping assembly used for flexibly clamping materials to avoid deformation of the materials, a tightness adjusting assembly and a bearing assembly, the flexible clamping assembly is installed at the lower end of the adjustable clamping driving device, and the tightness adjusting assembly and the bearing assembly are installed on the flexible clamping assembly. By means of the mode, through the arrangement of the flexible clamping assembly, materials are centered and positioned, follow-up machining of the materials can be conducted accurately, and meanwhile the situation that the materials deform due to stress, and consequently the materials are damaged is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to sponge processing technical field, concretely relates to a kind of positioning device for elastic soft material grabbing. BACKGROUND

[0002] Sponge is a kind of porous material, is widely used in various fields, before processing, generally will be stored in warehouse large sponge block, when using, it is transferred by grabbing equipment.

[0003] For example, Chinese patent application CN216129039U discloses a continuous feeding sponge positioning and grabbing separation mechanism, which includes a machine table and a working part erected above the machine table. The working part includes a feeding part for carrying whole plate sponges, a transfer feeding part, and a grabbing and separating part. The feeding part includes a feeding platform. The transfer feeding part includes a whole plate sponge transfer clamp erected on the feeding platform. The grabbing and separating part includes a sponge strip clamping and positioning groove erected on the feeding platform at one end on the same side as the whole plate sponge transfer clamp. Below the sponge strip clamping and positioning groove is provided with a whole plate sponge sticker discharge port connected to the feeding platform and having an outer edge.

[0004] However, the continuous feeding sponge positioning and grabbing separation mechanism uses a hard clamp to hold the sponge on both sides, which can easily deform the sponge and cause damage to the sponge.

[0005] Therefore, the utility model designs a positioning device for elastic soft material grabbing to solve the above problems. UTILITY MODEL CONTENTS

[0006] In view of the above shortcomings of the prior art, the utility model provides a positioning device for elastic soft material grabbing.

[0007] To achieve the above purpose, the utility model realizes the following technical solutions:

[0008] A positioning device for elastic soft material grabbing includes a conveying device, an adjustable clamping driving device, and a centering clamping device.

[0009] An adjustable clamping driving device is provided above the conveying device to provide clamping driving force. Two sets of centering clamping devices are installed at the lower end of the adjustable clamping driving device to clamp and support the material. The two sets of centering clamping devices are symmetrically arranged front and back. Each set of centering clamping devices includes two centering clamping devices symmetrically arranged left and right.

[0010] The centering and clamping device comprises a flexible clamping assembly for clamping the material to avoid deformation of the material, a tightness adjusting assembly for adjusting the clamping force of the flexible clamping assembly, and a supporting assembly for supporting the bottom of the material to avoid falling.

[0011] Further, the conveying device comprises a roller conveyor and a plurality of blocking cylinders, the plurality of blocking cylinders are fixedly installed at the rear end of the roller conveyor, and the adjustable clamping driving device is arranged above the roller conveyor.

[0012] Further, the adjustable clamping driving device comprises a spacing adjusting assembly and two clamping driving assemblies, the upper end of the spacing adjusting assembly is connected with the hoisting equipment, the lower end of the spacing adjusting assembly is connected with the clamping driving assemblies, and the lower end of the clamping driving assemblies is connected with the flexible clamping assembly.

[0013] Further, the spacing adjusting assembly is a bidirectional linear module, the upper end of the spacing adjusting assembly is fixedly connected with the output end of the hoisting equipment, and the two moving ends of the spacing adjusting assembly are respectively connected with the two clamping driving assemblies.

[0014] Further, the two clamping driving assemblies are symmetrically arranged front and back, the clamping driving assembly comprises a mounting plate, a motor, a bidirectional threaded rod and two sliding rods, the upper end of the mounting plate is fixedly connected with the moving end of the spacing adjusting assembly, the bidirectional threaded rod is rotatably installed on the inner side of the mounting plate, the two sliding rods are fixedly installed on the inner side of the mounting plate, the motor is fixedly installed on the outer side of the mounting plate, the output end of the motor is fixedly connected with one end of the bidirectional threaded rod, and the bidirectional threaded rod and the sliding rods are connected with the flexible clamping assembly.

[0015] Further, the flexible clamping assembly comprises a threaded sleeve, a rotating frame, a sliding groove frame, a clamping block, a limiting frame, a clamping plate, a plurality of taper blocks and a rotating roller, the threaded sleeve is sleeved on the outer side of the bidirectional threaded rod and is threadedly connected with the bidirectional threaded rod, the threaded sleeve is rotatably installed on the inner side of the rotating frame, the rotating frame is sleeved on the two sliding rods and is slidably connected with the sliding rods, the lower end of the rotating frame is fixedly connected with the sliding groove frame, the limiting frame is limitingly and slidably installed on the inner side of the sliding groove frame, the clamping block is slidably installed on the inner side of the limiting frame, the clamping plate is fixedly installed on the side close to the center of the limiting frame, the outer side of the clamping block is provided with a sliding column, the sliding grooves are formed in the two sides of the limiting frame and are matched with the clamping block, the sliding grooves are gradually and upwardly inclined from the side close to the clamping plate to the side away from the clamping plate, the upper end of the clamping block is clamped with the threaded sleeve, the threaded sleeve is provided with a clamping groove on the outer side, the plurality of taper blocks are fixedly installed on the inner side of the clamping plate, the rotating roller is rotatably installed on the upper end of the clamping block, the rotating roller is abuttingly connected with the threaded sleeve, and the clamping block and the limiting frame are connected with the tightness adjusting assembly.

[0016] Further, the tightness adjusting assembly comprises a limiting column, an adjusting plate, a bolt and a spring, the limiting column is fixedly installed at the lower end of the clamping block, the limiting column is slidably connected with the adjusting plate and the sliding groove frame, the upper end of the bolt is rotatably connected with the adjusting plate, the bolt is threadedly connected with the limiting frame, the spring is sleeved outside the limiting column, the two ends of the spring are fixedly connected with the clamping block and the adjusting plate respectively, and the limiting column is a polygonal column.

[0017] Further, the supporting assembly comprises an electric push rod, a connecting frame and a supporting plate, the electric push rod is rotatably installed at one side of the rotating frame, the output end of the electric push rod is rotatably connected with the connecting frame, the connecting frame is fixedly installed outside the supporting plate, the supporting plate is rotatably installed at one side of the sliding groove frame, the supporting plate is an L-shaped plate, the supporting plate is located between the two rollers of the roller conveyor, and a gap for avoiding the supporting plate is formed in the roller conveyor.

[0018] Compared with the prior art, the utility model has the advantages that: 1. The flexible clamping assembly is arranged to centrally position the material, facilitating accurate subsequent processing of the material, and the flexible clamping assembly avoids material deformation and damage caused by stress, and the flexible clamping assembly can adapt to materials with different degrees of elasticity through the arrangement of the tightness adjusting assembly, so the application range is wide.

[0019] 2. The clamping block is separated from the clamping of the threaded sleeve under the resistance of the material, so that the threaded sleeve rotates with the bidirectional threaded rod after clamping the material, thereby avoiding the movement of the rotating frame, avoiding the deformation of the material caused by excessive clamping movement, and avoiding the separation of the clamping caused by the falling of the material during clamping through the arrangement of the taper block and the supporting plate, thereby ensuring the stability of the clamping. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0021] Figure 1 A perspective view of the positioning device for grabbing elastic soft material of the utility model Figure 1 ;

[0022] Figure 2 A perspective view of the positioning device for grabbing elastic soft material of the utility model Figure 2 ;

[0023] Figure 3 A partial perspective view of the positioning device for grabbing elastic soft material of the utility model;

[0024] Figure 4 It is partial perspective view of the centering and clamping device of the utility model;

[0025] Figure 5 It is partial sectional perspective view of the centering and clamping device of the utility model;

[0026] Figure 6 It is partial exploded view of the centering and clamping device of the utility model.

[0027] The reference numerals in the drawing respectively represent:

[0028] 1. conveying device;11. roller conveyor;12. blocking cylinder;2. adjustable clamping driving device;21. spacing adjustment assembly;22. clamping driving assembly;221. mounting plate;222. motor;223. bidirectional threaded rod;224. sliding rod;3. centering and clamping device;31. flexible clamping assembly;311. threaded sleeve;312. rotating frame;313. sliding groove frame;314. clamping block;315. limiting frame;316. clamping plate;317. taper block;318. rotating roller;32. tension adjustment assembly;321. limiting column;322. adjustment plate;323. bolt;324. spring;33. supporting assembly;331. electric push rod;332. connecting frame;333. supporting plate. DETAILED DESCRIPTION

[0029] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0030] Embodiment one: in some embodiments, referring to the drawings of the specification Figures 1-6 A positioning device for grabbing elastic soft material, comprising a conveying device 1, further comprising an adjustable clamping driving device 2 and a centering and clamping device 3;

[0031] The adjustable clamping driving device 2 is provided above the conveying device 1 for providing clamping driving force, and the lower end of the adjustable clamping driving device 2 is installed with two groups of centering and clamping devices 3 for clamping and supporting the material, and the two groups of centering and clamping devices 3 are symmetrically arranged front and back, and each group of centering and clamping devices 3 comprises two centering and clamping devices 3 symmetrically arranged left and right;

[0032] As Figure 1 , Figure 2 and Figure 3As shown, the centering clamping device 3 comprises a flexible clamping assembly 31 for clamping the flexible material to avoid deformation of the material, a tightness adjusting assembly 32 for adjusting the clamping force of the flexible clamping assembly 31, and a supporting assembly 33 for supporting the bottom of the material to avoid falling. The flexible clamping assembly 31 is installed at the lower end of the adjustable clamping driving device 2. The tightness adjusting assembly 32 and the supporting assembly 33 are installed on the flexible clamping assembly 31.

[0033] In normal use of the elastic soft material grabbing positioning device, the material is transported to the designated position by the conveying device 1. The adjustable clamping driving device 2 is started to drive the plurality of flexible clamping assemblies 31 to move towards the material. After the plurality of flexible clamping assemblies 31 contact the material, the material is pushed to be positioned in the middle position of the conveying device 1. When the flexible clamping assemblies 31 on both sides clamp the material, the flexible clamping assemblies 31 automatically stop moving. For different elastic materials, the tightness adjusting assembly 32 is used to adjust the clamping force. After clamping is completed, the supporting assembly 33 is started to support the bottom of the material. Through the setting of the flexible clamping assembly 31, the material is centrally positioned, which facilitates accurate subsequent processing of the material. At the same time, the flexible clamping of the flexible clamping assembly 31 avoids deformation of the material under stress, which causes damage to the material. Through the setting of the tightness adjusting assembly 32, the flexible clamping assembly 31 can adapt to different elastic materials, and has a wide range of applications.

[0034] The conveying device 1 comprises a drum conveyor 11 and a plurality of blocking cylinders 12. The plurality of blocking cylinders 12 are fixedly installed at the rear end of the drum conveyor 11. The adjustable clamping driving device 2 is arranged above the drum conveyor 11.

[0035] As shown in Figure 2 and Figure 3 The adjustable clamping driving device 2 comprises a spacing adjusting assembly 21 and two clamping driving assemblies 22. The upper end of the spacing adjusting assembly 21 is connected with the lifting equipment. The lower end of the spacing adjusting assembly 21 is connected with the clamping driving assemblies 22. The lower end of the clamping driving assemblies 22 is connected with the flexible clamping assemblies 31.

[0036] The spacing adjusting assembly 21 is a bidirectional linear module. The upper end of the spacing adjusting assembly 21 is fixedly connected with the output end of the lifting equipment. The two moving ends of the spacing adjusting assembly 21 are respectively connected with the two clamping driving assemblies 22.

[0037] Two said clamping drive assemblies 22 are symmetrically arranged front and back, the clamping drive assembly 22 includes a mounting plate 221, a motor 222, a two-way threaded rod 223 and two slide rods 224, the upper end of the mounting plate 221 is fixedly connected with the moving end of the spacing adjustment assembly 21, the two-way threaded rod 223 is rotatably installed on the inner side of the mounting plate 221, two slide rods 224 are fixedly installed on the inner side of the mounting plate 221, the motor 222 is fixedly installed on the outer side of the mounting plate 221, the output end of the motor 222 is fixedly connected with one end of the two-way threaded rod 223, and the two-way threaded rod 223 and the slide rod 224 are connected with the flexible clamping assembly 31.

[0038] The flexible clamping assembly 31 includes a threaded sleeve 311, a rotating frame 312, a sliding groove frame 313, a clamping block 314, a limiting frame 315, a clamping plate 316, a plurality of taper blocks 317 and a rotating roller 318, the threaded sleeve 311 is sleeved on the outer side of the two-way threaded rod 223 and is threadedly connected with the two-way threaded rod 223, the threaded sleeve 311 is rotatably installed on the inner side of the rotating frame 312, the rotating frame 312 is sleeved on the two slide rods 224 and is slidably connected with the slide rods 224, the lower end of the rotating frame 312 is fixedly connected with the sliding groove frame 313, the limiting frame 315 is limitingly and slidably installed on the inner side of the sliding groove frame 313, the clamping block 314 is slidably installed on the inner side of the limiting frame 315, the clamping plate 316 is fixedly installed on the side close to the center of the limiting frame 315, a sliding column is arranged on the outer side of the clamping block 314, sliding grooves are formed in the two sides of the limiting frame 315 and matched with the clamping block 314, the sliding grooves are gradually and upwardly inclined from the side close to the clamping plate 316 to the side away from the clamping plate 316, the upper end of the clamping block 314 is clamped with the threaded sleeve 311, a clamping groove is formed in the outer side of the threaded sleeve 311, a plurality of taper blocks 317 are fixedly installed on the inner side of the clamping plate 316, the rotating roller 318 is rotatably installed on the upper end of the clamping block 314, the rotating roller 318 is abuttingly connected with the threaded sleeve 311, and the clamping block 314 and the limiting frame 315 are connected with the tension adjustment assembly 32.

[0039] The tension adjustment assembly 32 includes a limiting column 321, an adjusting plate 322, a bolt 323 and a spring 324, the limiting column 321 is fixedly installed on the lower end of the clamping block 314, the limiting column 321 passes through the adjusting plate 322 and the sliding groove frame 313 and is slidably connected with the adjusting plate 322 and the sliding groove frame 313, the upper end of the bolt 323 is rotatably connected with the adjusting plate 322 through the limiting frame 315, the bolt 323 is threadedly connected with the limiting frame 315, the spring 324 is sleeved on the outer side of the limiting column 321, the two ends of the spring 324 are fixedly connected with the clamping block 314 and the adjusting plate 322 respectively, and the limiting column 321 is a polygonal column.

[0040] The supporting assembly 33 comprises an electric push rod 331, a connecting frame 332 and a supporting plate 333, the electric push rod 331 is rotatably installed on one side of the rotating frame 312, the output end of the electric push rod 331 is rotatably connected with the connecting frame 332, the connecting frame 332 is fixedly installed on the outer side of the supporting plate 333, the supporting plate 333 is rotatably installed on one side of the sliding groove frame 313, the supporting plate 333 is an L-shaped plate, and the supporting plate 333 is located between the two rollers of the roller conveyor 11, and the roller conveyor 11 is provided with a gap for avoiding the supporting plate 333.

[0041] When the positioning device for grabbing the elastic soft material is normally used, the material is placed on the roller conveyor 11 for conveying, the blocking cylinder 12 is started to block and limit the material, after the limiting, the spacing adjusting assembly 21 is started to drive the mounting plate 221 to move forward and backward, different specifications of the roller conveyor 11 and different sizes of the material are adapted, the motor 222 is started to drive the bidirectional threaded rod 223 to rotate, the bidirectional threaded rod 223 drives the threaded sleeve 311 and the rotating frame 312 to move inward along the sliding rod 224, the rotating frame 312 drives the sliding groove frame 313, the limiting frame 315, the clamping plate 316 and the taper block 317 to move in turn, the clamping plate 316 and the taper block 317 which first contact the material drive the material to move to the central position, when the clamping plates 316 and the taper blocks 317 on both sides contact the material, the resistance of the material to the taper blocks 317 drives the sliding groove frame 313 to move outward, the clamping block 314 moves downward along the through slot of the sliding groove frame 313 to compress the spring 324 and disengage the clamping with the threaded sleeve 311, at this time, the threaded sleeve 311 rotates with the bidirectional threaded rod 223, the rotating frame 312 stops moving, when the clamping block 314 resets, the rotating roller 318 slides along the surface of the threaded sleeve 311 to facilitate the resetting, according to different elastic degrees of the clamped material, the screw bolt 323 is rotated, the screw bolt 323 drives the adjusting plate 322 to move upward and downward, the tightness degree of the spring 324 is changed, so that the resistance of the material to the clamping block 314 disengaging the threaded sleeve 311 is changed, after clamping, the electric push rod 331 is started, the electric push rod 331 drives the connecting frame 332 and the supporting plate 333 to rotate, the supporting plate 333 is rotated to the lower side of the material to support the material, the clamping block 314 is disengaged from the clamping of the threaded sleeve 311 by the resistance of the material, so that the threaded sleeve 311 rotates with the bidirectional threaded rod 223 after clamping the material, so as to no longer drive the rotating frame 312 to move, avoiding that the clamping moves too much to make the material deform under stress, and the setting of the taper block 317 and the supporting plate 333 avoids the material from falling off during the clamping process, ensuring the stability of the clamping.

[0042] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features therein can be replaced by equivalents; and these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A positioning device for picking up a flexible material, comprising a conveying device (1), characterized in that: The adjustable clamping driving device (2) and the centering clamping device (3) are arranged above the conveying device (1), the adjustable clamping driving device (2) is arranged above the conveying device (1) and is used for providing clamping driving force, and the lower end of the adjustable clamping driving device (2) is provided with two groups of centering clamping devices (3) used for clamping and supporting the material, and the two groups of centering clamping devices (3) are symmetrically arranged front and back. The centering clamping device (3) comprises a flexible clamping assembly (31) used for flexibly clamping the material to avoid deformation of the material, a tightness adjusting assembly (32) used for adjusting the clamping force of the flexible clamping assembly (31), and a supporting assembly (33) used for supporting the bottom of the material to avoid falling, the flexible clamping assembly (31) is arranged at the lower end of the adjustable clamping driving device (2), and the tightness adjusting assembly (32) and the supporting assembly (33) are arranged on the flexible clamping assembly (31).

2. The positioning device for flexible material gripping according to claim 1, characterized in that, The conveying device (1) comprises a roller conveyor (11) and a plurality of blocking air cylinders (12), the plurality of blocking air cylinders (12) are fixedly arranged at the rear end of the roller conveyor (11), and the adjustable clamping driving device (2) is arranged above the roller conveyor (11).

3. The positioning device for flexible material gripping according to claim 1, characterized in that, The adjustable clamping driving device (2) comprises a spacing adjusting assembly (21) and two clamping driving assemblies (22), the upper end of the spacing adjusting assembly (21) is connected with the hoisting equipment, the lower end of the spacing adjusting assembly (21) is connected with the clamping driving assembly (22), and the lower end of the clamping driving assembly (22) is connected with the flexible clamping assembly (31).

4. The positioning device for picking up a flexible material according to claim 3, wherein The spacing adjusting assembly (21) is a bidirectional linear module, the upper end of the spacing adjusting assembly (21) is fixedly connected with the output end of the hoisting equipment, and the two moving ends of the spacing adjusting assembly (21) are respectively connected with the two clamping driving assemblies (22).

5. The positioning device for picking up a flexible material according to claim 4, wherein The two clamping driving assemblies (22) are symmetrically arranged front and back, the clamping driving assembly (22) comprises a mounting plate (221), a motor (222), a bidirectional threaded rod (223) and two sliding rods (224), the upper end of the mounting plate (221) is fixedly connected with the moving end of the spacing adjusting assembly (21), the bidirectional threaded rod (223) is rotatably arranged on the inner side of the mounting plate (221), the two sliding rods (224) are fixedly arranged on the inner side of the mounting plate (221), the motor (222) is fixedly arranged on the outer side of the mounting plate (221), the output end of the motor (222) is fixedly connected with one end of the bidirectional threaded rod (223), and the bidirectional threaded rod (223) and the sliding rods (224) are connected with the flexible clamping assembly (31).

6. The positioning device for flexible material gripping according to claim 5, characterized in that The flexible clamping assembly (31) comprises a threaded sleeve (311), a rotating frame (312), a sliding groove frame (313), a clamping block (314), a limiting frame (315), a clamping plate (316), a plurality of taper blocks (317) and a rotating roller (318), the threaded sleeve (311) is sleeved outside the bidirectional threaded rod (223) and is in threaded connection with the bidirectional threaded rod (223), the threaded sleeve (311) is rotatably installed inside the rotating frame (312), the rotating frame (312) is sleeved on the two sliding rods (224) and is in sliding connection with the sliding rods (224), the lower end of the rotating frame (312) is fixedly connected with the sliding groove frame (313), the limiting frame (315) is limitingly and slidably installed inside the sliding groove frame (313), the clamping block (314) is slidably installed inside the limiting frame (315), the clamping plate (316) is fixedly installed on the side close to the center of the limiting frame (315), a sliding column is arranged outside the clamping block (314), sliding grooves are formed in the two sides of the limiting frame (315) and are matched with the clamping block (314), the sliding grooves are gradually and upwardly inclined from the side close to the clamping plate (316) to the side away from the clamping plate (316), the upper end of the clamping block (314) is clamped with the threaded sleeve (311), a clamping groove is formed in the outer side of the threaded sleeve (311), a plurality of taper blocks (317) are fixedly installed inside the clamping plate (316), and the clamping block (314) and the limiting frame (315) are connected with the tension adjustment assembly (32).

7. The positioning device for flexible material according to claim 6, characterized in that The tension adjustment assembly (32) comprises a limiting column (321), an adjusting plate (322), a bolt (323) and a spring (324), the limiting column (321) is fixedly installed at the lower end of the clamping block (314), the limiting column (321) penetrates through the adjusting plate (322) and the sliding groove frame (313) and is in sliding connection with the adjusting plate (322) and the sliding groove frame (313), the upper end of the bolt (323) is rotatably connected with the adjusting plate (322) and penetrates through the limiting frame (315), the bolt (323) is in threaded connection with the limiting frame (315), the spring (324) is sleeved outside the limiting column (321), the two ends of the spring (324) are fixedly connected with the clamping block (314) and the adjusting plate (322) respectively, and the limiting column (321) is a polygonal column.

8. The positioning device for picking up a flexible material according to claim 6, wherein The supporting assembly (33) comprises an electric push rod (331), a connecting frame (332) and a supporting plate (333), the electric push rod (331) is rotatably installed on one side of the rotating frame (312), the output end of the electric push rod (331) is rotatably connected with the connecting frame (332), the connecting frame (332) is fixedly installed outside the supporting plate (333), the supporting plate (333) is rotatably installed on one side of the sliding groove frame (313), the supporting plate (333) is an L-shaped plate, the supporting plate (333) is located between the two rollers of the roller conveyor (11), and the roller conveyor (11) is provided with a gap for avoiding the supporting plate (333).

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