CN220097764U - Clamping device and material taking mechanism - Google Patents

Abstract

The utility model provides a clamping device and a material taking mechanism, and belongs to the technical field of clamps. The clamp solves the problem that the existing clamp can not stably clamp two hoses simultaneously and is inserted into a three-way joint. This clamping device and feeding mechanism includes the installation piece, is equipped with the driving piece on the installation piece, is fixed with clamping block one on the installation piece, has two clamping faces of relative setting on the lateral part of clamping block one, is located respectively on the installation piece and is close to two clamping faces department and all is connected with clamping block two, and the lower tip of two clamping blocks two all has clamping part, and the clamping part of homonymy sets up with the clamping face relatively, and the driving piece can drive two clamping blocks two simultaneously and make the clamping part on it move towards the clamping face direction that corresponds respectively for with clamping face cooperation two hoses of stable centre gripping simultaneously.

Description

Clamping device and material taking mechanism

Technical Field

The utility model belongs to the technical field of clamps, relates to a clamping device, and particularly relates to a clamping device and a material taking mechanism.

Background

In the automatic nasal oxygen cannula assembling process, one procedure is to insert two hoses into two holes on the two ends of the three-way joint, and as the two holes on the two ends are adjacent and arranged side by side and are very close to each other, the ends of the two hoses need to be mutually close to each other for discharging, and then the outer side surfaces of the two hoses are clamped by clamping jaws (usually two-finger clamping jaws) so that the two hoses are mutually abutted and finally inserted into the two holes on the two ends, so that the assembly between the hoses and the three-way joint is realized.

However, the above-described assembly method has some problems: 1. although the two hole sites of the two-way end are adjacently arranged and very close, the side walls of the two hole sites are not communicated, the two hose are actually separated and have a certain wall thickness, the two hoses are clamped by the two finger clamping jaws, the two hoses are propped against each other without a space, and even the two hoses are propped tightly due to certain deformation under the extrusion of the two finger clamping jaws, so that the end parts of the hoses are blocked by the solid parts between the two holes when the two hose are aligned and inserted into the hole sites, and the failure rate of the insertion tube is very high; 2. the two-finger clamping jaw clamps and fixes the hose in a mode that the two fingers are mutually close to each other to extrude the hose, the two hoses are made of elastic materials, the radial cross section of the periphery of the hose is circular, and therefore the hose and the hose are mutually contacted and mutually extruded to be easily misplaced and sprung open, and the two hoses are clamped side by side when the two-finger clamp cannot be stable.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a clamping device and a material taking mechanism. The clamp solves the technical problem that the existing clamp can not stably clamp two hoses simultaneously and is inserted into a three-way joint.

The aim of the utility model can be achieved by the following technical scheme:

the clamping device comprises a mounting block, wherein a driving piece is arranged on the mounting block, a clamping block I is fixed on the mounting block, two clamping surfaces which are oppositely arranged are arranged on the outer side part of the clamping block I, clamping blocks II are respectively connected to the mounting block at positions which are close to the two clamping surfaces, clamping parts are respectively arranged at the lower end parts of the two clamping blocks II, the clamping parts at the same side are oppositely arranged with the clamping surfaces, and the driving piece can simultaneously drive the two clamping blocks II to enable the clamping parts on the two clamping blocks II to move towards the directions of the corresponding clamping surfaces; for simultaneously clamping two hoses in cooperation with the clamping surface.

The clamping device comprises a mounting block, a clamping block I is protruded at the bottom of the mounting block, the clamping block I is fixed, two clamping surfaces are respectively arranged on two side parts of the clamping block I, clamping blocks II are respectively arranged on one side of the two clamping surfaces, the clamping blocks II can move towards the clamping surfaces on one side of the clamping blocks II, clamping parts are arranged at the lower end parts of the clamping blocks, the clamping parts are positioned on one side close to the clamping surfaces, the clamping parts on the clamping blocks I can move towards one direction of the clamping blocks under the movement of the clamping blocks I, so that two hoses can be adjacently clamped, each hose is clamped and limited by the independent clamping blocks I and the clamping surfaces, and the stability is quite good.

The clamping block I is positioned between the clamping blocks II, the thickness of the clamping block I in the direction is smaller and is close to the distance between the two hole sites of the two ends of the three-way joint, a certain distance is reserved between the two hoses clamped by the clamping device at the same time, and the distance between the two hole sites can be just adapted, so that the ends of the two hoses are basically opposite to the two hole sites, the two hoses can be correspondingly inserted into the two hole sites only by translation, and the design realizes stable and smooth insertion of the two hoses into the three-way joint and has very high success rate.

In the above-mentioned clamping device, a first limiting groove is formed on a side of the clamping portion, which is close to the corresponding clamping surface.

The first limiting groove is formed in the clamping part of the second clamping part, the design of the first limiting groove is matched with the outer Zhou Shi of the hose, the hose can be embedded into the first limiting groove when the hose is clamped, the hose is limited in the up-down direction by the first limiting groove, the hose is not easy to move after the hose is clamped, and the stability is better.

In the above-mentioned clamping device, an arc-shaped groove two is formed on each clamping surface corresponding to the first position of the limiting groove.

An arc groove II is formed in the clamping surface of the clamping block I, the arc groove II is matched with the limiting groove I, and the clamping hose can be combined and matched to limit the clamping hose, so that the hose is clamped more stably.

In the above-mentioned clamping device, the corresponding first limiting groove and second arc groove are substantially surrounded to form a circular hole, and the center line of the circular hole is horizontally arranged and parallel to the clamping surface.

When the clamping block I and the clamping block II are close to each other to the nearest distance, the limiting groove I and the arc-shaped groove II are approximately surrounded to form a round hole, and the round hole is matched with the outer Zhou Shi of the hose to limit and clamp the hose, so that the hose cannot move in the radial direction, and the clamping is more stable.

The central line level of round hole sets up, and the tip of hose is the level orientation after the hose is held like this, and then directly just can correspond the inserting in three way connection through this clamping device's horizontal migration, design like this inserts the success rate very high and smooth and easy, stable.

In the above-mentioned clamping device, the first clamping block comprises a connecting portion, a bending portion and a clamping head, wherein the connecting portion and the clamping head are respectively located at two ends of the bending portion and are all approximately perpendicular to the bending portion, the connecting portion and the clamping head face towards each other, the clamping face is located on the clamping head, the mounting block is a shell of the driving piece, and the connecting portion is fixed on the shell of the driving piece.

In the above-mentioned clamping device, the bending portion faces to one side where the bending portion is away from the mounting block, and the chuck is located at an end portion of the bending portion where the bending portion is away from one end where the mounting block is located.

The clamping block I comprises three parts, namely the connecting part, the bending part and the clamping head, wherein the connecting part is fixed on the mounting block or the driving piece, the bending part extends towards the direction deviating from the mounting block, the clamping head is positioned on the end part of the bending part, and the clamping part on the clamping block II also extends to the two sides of the clamping head, so that one end of a clamping hose in the clamping device extends out and is far away from the driving piece and the mounting block, and the clamping device can adapt to a plurality of stations with smaller or compact head assembly space during translational intubation, and has better adaptability.

In the above clamping device, the bending portion faces to one side of the mounting block and extends to the bottom of the mounting block, and the chuck is located below the bottom of the mounting block.

This is a second embodiment of the first structure of the clamping block of the present utility model, in which the bending portion extends toward the bottom of the mounting block so that the chuck is at the bottom of the mounting block, and the clamping portion on the second clamping block is also vertically located at two sides of the chuck, so that the entire driving member and the mounting block are designed to move together, and the present utility model is suitable for a station where the head space is not limited.

In the clamping device, the driving piece is fixedly provided with the side plate, the side plate is provided with the two limiting blocks in a protruding mode, a distance is reserved between the two limiting blocks, the connecting portion is located between the two limiting blocks and is in close fit with the side faces of the two limiting blocks, and the connecting portion is fixed with the two limiting portions through bolts.

The clamping block I can be fixed on the driving piece or the mounting piece, the side plate is fixed on the mounting piece or the driving piece, the side plate is provided with the two limiting blocks, the upper end of the clamping block is positioned between the two limiting blocks, the fixing contact area of the whole clamping block I with the mounting piece or the driving piece through the limiting blocks is effectively increased, and the fixing stability is better. The upper end of the clamping block I is surrounded by the two limiting blocks, so that the connecting strength is high.

In the above clamping device, two clamping blocks are arranged in parallel, a space is reserved between the two clamping blocks, four clamping surfaces on the first clamping block are respectively located at two sides of the two clamping blocks in a group, two clamping blocks are respectively arranged on the mounting block corresponding to each clamping surface, and the second clamping blocks on the same side can synchronously move to be close to the corresponding clamping surfaces.

The clamping blocks I are provided with two clamping blocks II, the clamping blocks II are correspondingly arranged in parallel, the clamping blocks I and the clamping blocks II of the front group can clamp the end parts of two hoses, and the clamping blocks I and the clamping blocks II of the rear group can clamp the end parts of the two hoses at the rear positions, so that the double clamping effect is better and more stable.

And have the interval between two grip blocks one, can remove two hoses of interval department through whole clamping device after two like this and go into the carrier and go into next instrument and process on corresponding card, can carry out the adaptation with the carrier dish, not only grip stability is high, is convenient for remove the adaptation moreover.

In the above clamping device, the first clamping block or the second clamping block is provided with a limiting piece with an adjustable upper and lower position, the limiting piece is arranged along the direction of the two second clamping blocks, and two ends of the limiting piece at least extend to the positions of the two first clamping blocks respectively.

According to the utility model, the limiting piece is arranged on the same side of the clamping block I and the clamping block II, the limiting piece can be fixed on the clamping block I or the clamping block II, the height of the limiting piece can be adjusted, and the limiting piece is arranged along the arrangement direction of the clamping block I and the clamping block II.

In the above clamping device, the bottom of the mounting block is provided with the sliding groove, the driving member comprises two sliding blocks capable of reciprocally moving along the sliding groove, and the two clamping blocks are respectively fixed on the two sliding blocks and can synchronously move with the sliding blocks to enable the clamping portions on the two clamping blocks to be close to or far away from the clamping surfaces on the corresponding sides.

In the first embodiment of the moving mode of the clamping block II, the clamping block II is connected to the sliding block to realize the matching of the translation close to the clamping surface and the clamping surface to clamp the hose in a guiding sliding manner along the sliding groove, so that the design stability is good.

In the above clamping device, the bottom of the mounting block is fixed with the hinge seat near the two clamping surfaces, one ends of the two second clamping blocks are respectively hinged to the two hinge seats, and the driving piece can drive the two second clamping blocks to rotate around the hinge positions so that the clamping parts on the two second clamping blocks are close to or far away from the corresponding clamping surfaces.

In the second embodiment of the moving mode of the second clamping block, the end portion of the second clamping block is hinged to the hinge seat, and the clamping portion of the second end portion of the clamping block can rotate around the connecting position to approach the clamping surface direction so as to clamp the hose, so that the arrangement can achieve the technical effect similar to the translation mode.

The material taking mechanism comprises a back plate, wherein the back plate is connected with a plurality of clamping devices in the length direction of the back plate.

The material taking mechanism comprises a plurality of clamping devices, the clamping devices are connected on the back plate side by side, a plurality of groups of hoses can be clamped side by side and simultaneously inserted into a plurality of three-way connectors, so that the assembly efficiency is greatly improved due to the design, and the stability and the qualification rate are extremely high.

Compared with the prior art, the product has the advantages that:

1. the clamping device comprises the clamping blocks I and the clamping blocks II, wherein the clamping blocks II are respectively arranged on two sides of the clamping block I and can move towards one direction of the clamping block to be matched with the clamping blocks to clamp the end parts of two hoses simultaneously, and the two hoses are respectively and independently clamped and limited, so that the stability is very good.

2. The clamping block I is positioned between the clamping blocks II, the thickness of the clamping block I in the direction is smaller, the thickness of the clamping block I is approximately close to the distance between the two hole sites at the two ends of the three-way joint, a certain distance is reserved between the two hoses clamped by the clamping device at the same time, and the distance between the two hole sites can be just adapted, so that the ends of the two hoses are basically opposite to the two hole sites, the alignment insertion between the double pipes and the double holes can be easily realized, and the success rate is very high.

Drawings

FIG. 1 is a front view of a first embodiment of the utility model;

FIG. 2 is a side view of a fourth embodiment of the utility model;

FIG. 3 is a side view of a fourth embodiment of the present utility model in a second open state of a clamp block;

FIG. 4 is a side projection view of a fourth embodiment of the present utility model;

FIG. 5 is a schematic view showing the engagement between the first clamping block and the side plate according to the fourth embodiment of the present utility model;

FIG. 6 is a schematic view of a take-off mechanism of a clamping device according to a fourth embodiment of the present utility model;

fig. 7 is a front view of a second embodiment of the present utility model;

FIG. 8 is a rear view of a second embodiment of the utility model;

fig. 9 is a schematic diagram illustrating the cooperation between the first clamping block, the side plate and the limiting member in the second embodiment of the present utility model;

FIG. 10 is a schematic view of a take-off mechanism of a clamping device in accordance with a second embodiment of the present utility model;

FIG. 11 is a schematic view of the structure of a third embodiment of the present utility model;

fig. 12 is a schematic view of the structure of the take-up mechanism of the holding device in accordance with the third embodiment of the present utility model.

In the figure, 1, a mounting block; 11. a chute; 2. a driving member; 21. a slide block; 3. a clamping block I; 31. a connection part; 32. a bending part; 33. a chuck; 331. a clamping surface; 332. an arc-shaped groove II; 4. a clamping block II; 41. a clamping part; 42. a first limit groove; 5. a round hole; 6. a side plate; 61. a limiting block; 7. a limiting piece; 8. a back plate.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

Example 1

The clamping device comprises a mounting block 1, a driving piece 2, a first clamping block 3 and two second clamping blocks 4, wherein the driving piece 2 is a two-finger cylinder, a sliding groove 11 is formed in the bottom of the mounting block 1, the two-finger cylinder is fixed on the top of the mounting block 1, a sliding block 21 on the two-finger cylinder is arranged in the sliding groove 11 and moves reciprocally along the sliding groove 11, the two second clamping blocks 4 are respectively fixed on the two sliding blocks 21, the two sliding blocks 21 can be driven to move synchronously, clamping parts 41 are protruded on the side parts, close to each other, of the lower ends of the two second clamping blocks 4, the first clamping block 3 is located between the two second clamping blocks 4, clamping surfaces 331 are arranged on the side parts, where the two first clamping blocks 3 face the two second clamping blocks 4, of the two clamping surfaces 331 are parallel to each other, the clamping parts 41 on the same side of the two clamping surfaces 331 are matched with a clamping hose, the two clamping blocks 3 can synchronously move close to the clamping blocks 3 to control the two clamping device, and the two clamping blocks are clamped by the hose 331 and have good stability and very good stability. The clamping block I3 is positioned between the two clamping blocks II 4, the thickness of the clamping block I3 is smaller than the distance between the two hole sites at the two ends of the three-way joint in the arrangement direction of the clamping block II 4, the clamping block I3 and the clamping block II 4, namely, a certain distance is reserved between two hoses clamped by the clamping device at the same time, and the distance between the two hole sites can be just adapted, so that the ends of the two hoses are basically opposite to the two hole sites, the two hoses can be correspondingly inserted into the two hole sites only by translation, and the design realizes stable and smooth insertion of the two hoses into the three-way joint, and has very high success rate.

The whole piece of clamping block one 3 is the platykurtic, and concrete structure divide three segmentation to include connecting portion 31, kink 32 and chuck 33 and three integrated into one piece, and connecting portion 31 and chuck 33 are located respectively on the both sides face that the thickness and the length place of kink 32 and all perpendicular to kink 32 set up, and connecting portion 31 set up, and chuck 33 sets up down, and connecting portion 31 and chuck 33 face towards in opposite directions promptly, and clamping face 331 is located chuck 33, and connecting portion 31 are fixed on the lateral part of the casing of two finger cylinder. Specifically be fixed with curb plate 6 on the casing of two finger cylinder, the protrusion has two stopper 61 on curb plate 6, connecting portion 31 inserts between two stopper 61, set up the bolt hole on two stopper 61, also have the hole site that corresponds the bolt hole on connecting portion 31, insert in proper order in above-mentioned hole site through the bolt and lock fixedly, the medial surface of connecting portion 31 is pasted and is leaned on the surface of curb plate 6 after locking, and the both sides face of connecting portion 31 is pasted each other with the both sides face of stopper 61 and is obtained the support, design joint strength is very high like this, make whole grip block one 3 very stable when follow-up cooperation centre gripping hose. In this embodiment, the bending portion 32 faces the side of the mounting block 1 and extends to the bottom of the mounting block 1, and the chuck 33 is located below the bottom of the mounting block 1. The bending part 32 extends towards the bottom of the mounting block 1 to enable the clamping head 33 to be positioned at the bottom of the mounting block 1, the clamping parts 41 on the clamping block two 4 are also vertically positioned at two sides of the clamping head 33 and protrude towards the clamping head 33, and the whole clamping end and the driving end are designed to move up and down together, so that the device is suitable for stations with unrestricted head space.

The first clamping block 3 is provided with the limiting piece 7 with the adjustable upper and lower positions, the limiting piece 7 is of a square plate-shaped structure, long edges of the limiting piece 7 are distributed along the second clamping blocks 4 on two sides, and the limiting piece can resist the height of the hose when clamping the hose. An oval travel groove is formed in the limiting piece 7, a screw is penetrated in the travel groove and is locked and fixed with the side part of the clamping block I3, the upper and lower positions of the limiting piece 7 can be adjusted by unscrewing the screw, the lower edge of the limiting piece 7 approximately falls on the upper edge of the clamping part 41 and the clamping surface 331, the clamping position of the hose can be limited after the hose is taken by lowering the height of the limiting piece 7, the limiting piece 7 moves upwards to a high point where the hose can be clamped, and the limiting piece 7 moves downwards to a low point where the hose can be clamped, so that the clamping position can be adjusted randomly, and the adaptability is quite high. The limiting piece 7 can also be connected to the clamping block two 4 on any one of the two sides of the clamping block one 3, the limiting piece 7 is transversely arranged on one side of the clamping block one 3 and one side of the clamping block two 4, the other end of the limiting piece 7 which is not fixed is positioned on one side of the other clamping block two, and the limiting piece extends out of the other clamping block two, so that the limiting piece 7 with the increased distance can be always blocked above the clamping station when the two clamping blocks two 4 move away from the clamping block one 3, and the entering height of a hose is controlled. When this clamping device stretches into the workbin or the last centre gripping hose of carrier, the hose that the centre gripping was to probably be in the vertical direction position indefinite, too high or low, perhaps misplaced from top to bottom between two hoses, but through having set up locating part 7, the bottom that the hose contacted locating part 7 can be kept away, prevents the hose to reciprocate, two grip blocks second 4 are close to grip block one 3 centre gripping hose after afterwards, two hoses basic co-altitude positions, can not appear the deviation for later and tee bend take over more accurately when being to the hole, can realize more stability and insert in the tee bend take over.

The material taking mechanism comprises a back plate 8, four clamping devices which are mutually spaced at a certain distance are arranged on the back plate 8 along the length direction of the back plate, and the clamping end of each clamping device is exposed below the back plate 8 and can clamp a hose in the same direction. The design makes the material loading efficiency and the packaging efficiency obtain the promotion by a wide margin, and stability and qualification rate are all high moreover.

The material taking process of the material taking mechanism is as follows: the backboard 8 is fixed on the moving mechanism, the moving mechanism can horizontally move or drive the backboard 8 to vertically lift, when the backboard 8 moves to the upper part of the carrier or the feed box, the backboard 8 descends, the clamping blocks II 4 of each clamping device on the backboard 8 are driven by the air cylinders to be away from the clamping blocks I3 and open, the backboard 8 continuously descends the hose to enter between the clamping blocks I3 and the clamping blocks II 4, the air cylinders drive the clamping blocks II 4 to clamp the hose close to the clamping blocks I3, two sides of the same clamping block I3 can be matched with each clamping hose, then the backboard 8 is lifted to synchronously move upwards by four clamping devices, the whole material taking mechanism clamps eight hoses side by side, two groups of eight hoses are divided into four groups, and two hoses of each group are mutually close to each other and correspondingly inserted into a three-way joint.

Example two

As shown in fig. 7, 8, 9 and 10, in the second embodiment of the specific structure of the clamping surface 331 and the clamping portion 41, in this embodiment, the clamping portion 41 is provided with a first limiting groove 42, the corresponding clamping surface 331 is provided with a second arc groove 332, the corresponding first limiting groove 42 and the second arc groove 332 substantially surround to form a circular hole 5, and the central line of the circular hole 5 is horizontally arranged and parallel to the clamping surface 331. When the hose is clamped, the hose can be embedded into the first limiting groove 42, the hose is limited by the first limiting groove 42 in the up-down direction, the hose is not easy to move after being clamped, and the stability is better. The mutual matching of the first limiting groove 42 and the second arc-shaped groove 332 can prevent the hose from being clamped on one side when the first clamping block 3 and the second clamping block 4 are close to each other. If the first limiting groove 42 and the second arc groove 332 are not formed, the side surface of the clamping part 41 is a plane, the clamping surface 331 is also a plane, the plane and the plane are close to each other, the hose is pressed to form an elliptical structure, and the hose is unfavorable for intubation, so that the phenomenon that the hose is deformed on one side when being clamped can not occur by forming the first limiting groove 42 and the second arc groove 332, and the success rate is higher when the hose is intubated. The center line of the round hole 5 is horizontally arranged, so that the end part of the hose is horizontally oriented after the hose is clamped, the position of the round hole 5 is opposite to the hole position of the two-way end on the three-way joint and the sizes of the two-way end are close to each other, then the clamping device can be correspondingly inserted into the three-way joint through the horizontal movement of the clamping device, so that the design and insertion success rate is very high, smooth and stable.

Example III

This is a second embodiment of the mounting of the first clamping block 3 according to the utility model, as shown in fig. 11 and 12, in which the bending portion 32 of the first clamping block 3 is oriented towards the side facing away from the mounting block 1 in this example, and the clamping head 33 is located at the end of the bending portion 32 facing away from the end of the mounting block 1. Like this make this clamping device's clamping end be at clamping piece and clamping part 41 place the end and drive end be at driving piece 2 and installation piece 1 place end keep away from each other for the clamping end can be outstanding, and the clamping end can be at one end distance apart from the drive end when contacting the tee bend joint intubate when whole clamping device removes, makes whole cooperation station can the overall arrangement can not be compact, more reasonable, and the adaptability is better.

Example IV

As shown in fig. 2, 3, 4, 5 and 6, this is a second embodiment of the specific structure of the first and second clamping blocks 3 and 4 of the present utility model, in this embodiment, the connecting portion 31 and the bending portion 32 on the first clamping block 3 remain unchanged, two clamping heads 33 are provided on the lower side portion of the bending portion 32, the two clamping heads 33 are divided into two ends located at the bending portion 32, two clamping blocks 4 are provided on two sides of the two clamping heads 33, and a total of four clamping blocks 4 are connected together at the actual ends of the two clamping blocks 4 moving on the same side as shown in fig. 4, and are integrally formed, the upper ends of the two clamping blocks 4 are directly fixed on one of the sliding blocks 21 on the driving member, and two protruding portions of the same side are located where the clamping blocks are located, i.e. two clamping portions 41 are provided on each clamping block 4, and the two clamping portions 41 are located on the same side of the two clamping heads 33 respectively. The four clamping parts 41 and the two clamping heads 33 are arranged in parallel in pairs, the clamping blocks one 3 and the two clamping blocks two 4 of the front group can clamp the end parts of two hoses, the clamping blocks one 3 and the two clamping blocks two 4 of the rear group can clamp the end parts of the two hoses at the rear positions, and thus the double clamping effect is better and more stable. The most main purpose of the design is to match the carrier with a space between the two chucks 33, so that after two parts of the two hoses are gripped, the hoses at the space can be correspondingly clamped into the carrier to enter a next tool for processing through the movement of the whole clamping device, the two hoses can be matched with the carrier disc, the clamping stability is high, and the two hoses are convenient to move and adapt.

Example five

In this second embodiment of the moving mode of the second clamping block 4, hinge seats are fixed on the bottom of the mounting block 1 in the present embodiment and located near the two clamping surfaces 331, one ends of the two clamping blocks 4 are respectively hinged on the two hinge seats, and the driving member 2 can drive the two clamping blocks 4 to rotate around the hinge positions to enable the clamping portions 41 on the two clamping blocks to be close to or far from the corresponding clamping surfaces 331. The end of the second clamping block 4 is hinged to the hinging seat, and the clamping part 41 at the end of the second clamping block 4 can rotate around the connecting position to approach the clamping surface 331 so as to clamp the hose, so that the arrangement can achieve the technical effect of approaching to the translation mode.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims (13)

1. The clamping device comprises a mounting block (1), wherein a driving piece (2) is arranged on the mounting block (1), and is characterized in that a clamping block I (3) is fixed on the mounting block (1), two clamping surfaces (331) which are oppositely arranged are arranged on the outer side part of the clamping block I (3), clamping blocks II (4) are respectively connected to the mounting block (1) at positions which are close to the two clamping surfaces (331), clamping parts (41) are respectively arranged at the lower end parts of the two clamping blocks II (4), the clamping parts (41) on the same side are oppositely arranged with the clamping surfaces (331), and the driving piece (2) can simultaneously drive the two clamping blocks II (4) to enable the clamping parts (41) on the two clamping blocks II to move towards the directions of the corresponding clamping surfaces (331); for simultaneously and stably clamping two hoses in cooperation with the clamping surface (331).

2. A clamping device according to claim 1, wherein the side of the clamping portion (41) adjacent to the corresponding clamping surface (331) is provided with a first limiting groove (42).

3. A clamping device according to claim 2, wherein each clamping surface (331) is provided with an arc-shaped groove two (332) at a position corresponding to the first limiting groove (42).

4. A clamping device according to claim 3, wherein the corresponding first and second limiting grooves (42, 332) substantially enclose a circular hole (5), the centre line of the circular hole (5) being arranged horizontally and parallel to the clamping surface (331).

5. A clamping device according to any one of claims 1-4, wherein the first clamping block (3) comprises a connecting part (31), a bending part (32) and a clamping head (33) which are integrally formed, the connecting part (31) and the clamping head (33) are respectively arranged on two end parts of the bending part (32) and are all arranged approximately perpendicular to the bending part (32), the connecting part (31) and the clamping head (33) face towards each other, the clamping surface (331) is arranged on the clamping head (33), the mounting block (1) is a shell of the driving part (2), and the connecting part (31) is fixed on the shell of the driving part (2).

6. Clamping device according to claim 5, characterized in that the bending portion (32) is directed towards the side facing away from the mounting block (1), and the clamping head (33) is located on the end of the bending portion (32) facing away from the end of the mounting block (1).

7. Clamping device according to claim 5, characterized in that the bending part (32) is directed towards the side of the mounting block (1) and extends to the bottom of the mounting block (1), and that the clamping head (33) is located below the bottom of the mounting block (1).

8. Clamping device according to claim 5, characterized in that the driving member (2) is fixed with a side plate (6), two limiting blocks (61) are protruded on the side plate (6), the connecting portion (31) is located between the two limiting blocks (61) and is in close fit with the side surfaces of the two limiting blocks (61), and the connecting portion (31) is fixed with the two limiting portions through bolts.

9. A clamping device according to any one of claims 1-4, wherein two clamping blocks (3) are arranged side by side, a space is reserved between the two clamping blocks, four clamping surfaces (331) on the two clamping blocks (3) are respectively arranged on two sides of the two clamping blocks in pairs, two clamping blocks (4) are respectively arranged on the mounting block (1) corresponding to each clamping surface (331), and the clamping blocks (4) on the same side can synchronously move to be close to the corresponding clamping surfaces (331).

10. The clamping device according to any one of claims 1-4, wherein the first clamping block (3) or the second clamping block (4) is provided with a limiting piece (7) with an adjustable upper and lower position, the limiting piece (7) is arranged along the direction of the two second clamping blocks (4), and two ends of the limiting piece (7) extend to the positions of the two first clamping blocks (3) respectively.

11. A clamping device according to any one of claims 1-4, wherein the bottom of the mounting block (1) is provided with a chute (11), the driving member (2) comprises two sliding blocks (21) capable of reciprocally moving along the chute (11), and the two clamping blocks (4) are respectively fixed on the two sliding blocks (21) and can synchronously move with the sliding blocks (21) to enable the clamping part (41) on the two clamping blocks to be close to or far from the clamping surface (331) on the corresponding side.

12. A clamping device according to any one of claims 1-4, wherein hinge seats are fixed on the bottoms of the mounting blocks (1) at positions close to the two clamping surfaces (331), one ends of the two clamping blocks (4) are respectively hinged on the two hinge seats, and the driving piece (2) can drive the two clamping blocks (4) to rotate around the hinge positions to enable the clamping parts (41) on the two clamping blocks to be close to or far away from the corresponding clamping surfaces (331).

13. A take-off mechanism comprising a back plate (8), said back plate (8) being connected along its length with a number of a gripping device according to any one of claims 1-12.