CN210524898U

CN210524898U - Clamping device

Info

Publication number: CN210524898U
Application number: CN201921416391.XU
Authority: CN
Inventors: 杨鹏; 徐壮
Original assignee: Luxshare Intelligent Manufacture Zhejiang Co Ltd
Current assignee: Luxshare Intelligent Manufacture Zhejiang Co Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-05-15
Anticipated expiration: 2029-08-29

Abstract

The utility model provides a clamping device for press from both sides tightly treat the processing product, it includes the base, sets up be used for acceping on the base the stopper of treating the processing product, slide and set up on the base and with treat the processing product butt with the cooperation the stopper presss from both sides tightly treat the ejector pad, the setting of processing product be in on the base and be located be used for right of the ejector pad both sides the motion of ejector pad is led and spacing first briquetting, second briquetting, sets up keeping away from of ejector pad dog one side of treating the processing product dog, one end with ejector pad butt and the other end with the elastic component of dog butt and give the base with provide at least one actuation magnet of actuation between the ejector pad.

Description

Clamping device

Technical Field

The utility model relates to a clamping device belongs to equipment technical field of mechanism.

Background

The clamping device is a mechanism for preventing the product or the workpiece from deviating and vibrating during various operations such as processing and assembling in the design of various clamps, carriers and jigs. The push block is a conventional component of a common clamping device applied to small and medium-sized loading jigs and clamps.

The push block is pressed against the product or the workpiece under the elastic action of the spring to clamp the product or the workpiece. Pressing blocks for guiding the motion trail of the pushing block are arranged on two sides of the pushing block. Because the push block needs to move relative to the press block, a certain amount of clearance is formed between the push block and the press block, the size of the clearance is generally about 0.04-0.10mm due to design/processing reasons, and the push block also has an up-down floating amount of 0.04-0.10mm when moving, so that a product or a workpiece is clamped and then subjected to slight external force such as vibration and the like to float together with the push block, the focal length in the Z direction fails when various manufacturing processes (welding, dispensing, code printing and the like) are carried out, and the reject ratio is increased. Although the clearance can be reduced to the maximum extent (reduced to 0.01-0.02mm) through tolerance management and control and polishing treatment of the push block 3, the press block and the base, the processing difficulty and the manufacturing cost of the push block, the press block and the base are greatly increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clamping device that can prevent the ejector pad fluctuation and low in manufacturing cost.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a clamping device for press from both sides tightly treat the processing product, it includes the base, sets up be used for acceping on the base the stopper of treating the processing product, slide and set up on the base and with treat the processing product butt with the cooperation the stopper presss from both sides tightly treat the ejector pad, the setting of processing product be in on the base and be located be used for right of the ejector pad both sides the motion of ejector pad is led and spacing first briquetting, second briquetting, sets up keeping away from of ejector pad dog one side of treating the processing product dog, one end with ejector pad butt and the other end with the elastic component of dog butt and give the base with provide at least one actuation magnet of actuation between the ejector pad.

Furthermore, the attraction magnet is arranged on the push block, and an accommodating cavity for accommodating the attraction magnet is formed in the push block.

Further, the base includes the top surface, the definition perpendicular to the direction of top surface is upper and lower direction, the direction of ejector pad motion is left right direction, and the direction of orthogonal with upper and lower direction and left right direction is the fore-and-aft direction, be equipped with on the base certainly top surface undercut be used for holding first briquetting, the second briquetting with the holding tank of ejector pad and on left right direction with the holding tank intercommunication be used for the installation the mounting groove of stopper.

Furthermore, the limiting block is provided with an accommodating space for accommodating the product to be processed, one side of the accommodating space, which is close to the pushing block, is provided with a notch, and the pushing block penetrates through the notch and then abuts against the product to be processed.

Further, the holding tank includes from the base the first holding tank of top surface undercut and from first holding tank continues the second holding tank of undercut, in the front and back direction, the size of first holding tank is greater than the size of second holding tank.

Furthermore, the pushing block comprises a pushing part, a limiting part and a pressing part, wherein the pushing part is partially contained in the first containing groove and protrudes out of the top surface upwards, the limiting part extends downwards from the pushing part and is contained in the second containing groove, the pressing part extends to exceed the containing groove from the pushing part in the direction close to the product to be processed, the pressing part penetrates through the notch and is abutted to the product to be processed, and the size of the pushing part is smaller than that of the limiting part in the front and back directions.

Further, in the front-rear direction, a gap exists between the first pressing block and the second pressing block, the size of the gap is smaller than that of the limiting portion, the size of the gap is larger than that of the pushing portion, the pushing portion is located between the first pressing block and the second pressing block, the limiting portion is located below the first pressing block and the second pressing block, and the elastic piece is located in the gap.

Further, the pushing block further comprises a poking part extending upwards from the pushing part.

Furthermore, one side of the push block, which faces the stop block, is provided with a first positioning piece for positioning the elastic piece, and one side of the stop block, which faces the push block, is provided with a second positioning piece for positioning the elastic piece.

Furthermore, an accommodating groove which is communicated with the accommodating groove and is used for accommodating the stop block is further arranged on the base.

Compared with the prior art, the utility model discloses a clamping device be equipped with the base with at least one actuation magnet that provides the actuation between the ejector pad makes the ejector pad with there is an actuation between the base all the time, thereby stops the ejector pad is unsteady from top to bottom, has ensured the position of product in the Z direction, and then has guaranteed the yield of product processing, simultaneously, has reduced right the base first briquetting the second briquetting reaches the requirement of the machining precision of ejector pad, reduction in production, manufacturing cost.

Drawings

Fig. 1 is a perspective combination view of the clamping device of the present invention.

Fig. 2 is an exploded perspective view of the clamping device of the present invention.

Fig. 3 is an exploded perspective view from another perspective of fig. 2.

Fig. 4 is an exploded perspective view of fig. 2 from another perspective, the perspective of fig. 4 being different from the perspective of fig. 3.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

Referring to fig. 1 to 4, the present invention discloses a clamping device 100 for clamping a product 200 to be processed, the base comprises a base 1 made of metal, a limiting block 2 arranged on the base 1 and used for accommodating a product 200 to be processed, a pushing block 3 arranged on the base 1 and located on two sides of the pushing block 3 and used for guiding and limiting the movement of the pushing block 3, a first pressing block 4 and a second pressing block 8 which are arranged on two sides of the pushing block 3, a stop block 5 arranged on one side of the product 200 to be processed and one end of the pushing block 3 are abutted and the other end of the pushing block 3 is abutted with an elastic part 6 abutted against the stop block 5 and at least one attracting magnet 7 for providing attracting force between the base 1 and the pushing block 3, wherein the limiting block 2 is used for accommodating the product 200 to be processed in a sliding mode and the base 1 is abutted with the product 200 to be processed in a matching mode. The attraction magnet 7 provides attraction force between the push block 3 and the base 1, so that the position of the push block 3 in the Z direction when sliding is ensured, and the product can not float along with the sliding of the push block 3.

Referring to fig. 1, the base 1 includes a top surface 10, and in the following description, a direction perpendicular to the top surface 10 of the base 1 is defined as an up-down direction (or referred to as a Z direction), a direction in which the push block 3 moves is defined as a left-right direction orthogonal to the up-down direction, and a direction orthogonal to the up-down direction and the left-right direction is defined as a front-back direction. In the following description, upper, lower, left, right, front, and rear are used to describe the positional relationship between the relevant elements, so that the explanation for describing the positional relationship of one element with another element becomes simple, but the description in these orientations does not have any limiting meaning to the technique itself. The terms "first," "second," and the like in the present disclosure may be used herein to describe various elements, but these elements are not limited by these terms, and these terms are only used to distinguish the described objects, and do not have any sequential or technical meaning.

Referring to fig. 2, the product 200 to be processed is located on the left side of the pushing block 3, the stopper 5 is located on the right side of the pushing block 3, an accommodating space 21 for accommodating the product 200 to be processed is provided on the limiting block 2, a notch 211 is provided on one side of the accommodating space 21 close to the pushing block 3, after the product 200 to be processed is installed in the accommodating space 21, the movement of the product to be processed to the left, the forward and the backward is limited by the accommodating space 21, and the pushing block 3 passes through the notch 211 of the accommodating space 21 and then abuts against the right side face of the product 200 to be processed.

The base 1 is provided with an accommodating groove 11 which is formed by downwards sinking the top surface 10 and is used for accommodating the first pressing block 4, the second pressing block 8 and the pushing block 3, an accommodating groove 12 which penetrates through the base 1 in the up-down direction and communicates the accommodating groove 11 with the outside in the left-right direction and is used for accommodating the stop block 5, and an installation groove 13 which is formed by downwards sinking the top surface 10 of the base 1 and communicates the accommodating groove 11 in the left-right direction and is used for installing the limiting block 2. The accommodating groove 11 includes a first accommodating groove 111 recessed downward from the top surface 10 of the base 1 and a second accommodating groove 112 recessed downward from the first accommodating groove 111, in the front-rear direction, the size of the first accommodating groove 111 is larger than that of the second accommodating groove 112, viewed from the left-right direction, the accommodating groove 11 is "T" shaped, and the sum of the sizes of the first pressing block 4 and the second pressing block 8 in the left-right direction is smaller than that of the first accommodating groove 111 in the left-right direction.

Referring to fig. 4, the pushing block 3 includes a pushing portion 31 partially received in the first receiving groove 111 and protruding upward from the top surface 10 of the base 1, a limiting portion 32 extending downward from the pushing portion 31 and received in the second receiving groove 112, a pressing portion 33 extending from the pushing portion 31 toward the product 200 to be processed beyond the receiving groove 11, and a toggle portion 34 extending upward from the pushing portion 31, in a front-rear direction, a size of the pushing portion 31 is smaller than a size of the limiting portion 32, the pushing block 3 is "⊥" when viewed from a left-right direction, the pushing portion 31 is located between the first pressing block 4 and the second pressing block 8, the pushing block 3 is further provided with a receiving cavity 36 for receiving the attracting magnet 7, and the receiving cavity 36 is formed by upwardly recessing from a lower end of the pushing block 3.

The first pressing block 4 and the second pressing block 8 are respectively installed at the front end and the rear end of the first accommodating groove 111, and the sum of the sizes of the first pressing block 4 and the second pressing block 8 is smaller than the size of the first accommodating groove 111 in the front-rear direction. After the installation is completed, in the front-rear direction, there is a gap between the first presser piece 4 and the second presser piece 8, the size of the gap is smaller than the size of the stopper portion 32 of the push piece 3, and the size of the gap is larger than the size of the push portion 31 of the push piece 3. After the push block 3 is installed, the limiting portion 32 is accommodated in the accommodating groove 12 and is partially located below the first pressing block 4 and the second pressing block 8. The pushing portion 31 is located between the first presser piece 4 and the second presser piece 8 in the front-rear direction. The pressing part 33 penetrates through the notch 211 of the accommodating space 21 of the limiting block 2 and then presses against the product to be processed 200. The elastic piece 6 is positioned in the gap between the first pressing piece 4 and the second pressing piece 8. In the up-down direction, a gap exists between the limiting portion 32 and the first pressing piece 4 and the second pressing piece 8, and in the front-back direction, a gap exists between the pushing portion 31 and the first pressing piece 4 and the second pressing piece 8.

As shown in fig. 3, a first positioning element 35 for positioning the elastic element 6 is disposed on a side surface of the push block 3 facing the stopper 5, and a second positioning element 51 for positioning the elastic element 6 is disposed on a side surface of the stopper 5 facing the push block 3. In the embodiment of the present invention, the elastic member 6 is a spring, and the first positioning member 35 and the second positioning member 51 are positioning holes, which is not limited by the present invention. In other embodiments, the elastic member 6 may be a rubber column with good elasticity, and the first positioning member 35 and the second positioning member 51 may be both positioning columns, or may be a positioning column and a positioning hole or a positioning hole and a positioning column, respectively.

The stopper 5 is installed in the receiving groove 12, and the elastic member 6 is clamped between the stopper 5 and the pushing block 3 in the left-right direction so as to apply a pushing force to the pushing block 3 toward the product to be processed 200 to cooperate with the stopper 2 to prevent the product to be processed 200 from moving in the front-back and left-right directions. When the product 200 to be processed needs to be taken out or placed, the hand pokes the poking part 34 of the push block 3 to enable the push block 3 to overcome the thrust of the elastic piece 6 to move rightwards, of course, the poking part 34 is not required to be arranged, and the hand can directly apply force to the pushing part 31 of the push block 3.

The utility model discloses an embodiment the actuation magnet 7 sets up to one and sets up on the ejector pad 3. In other embodiments, the attracting magnet 7 may be set to any number greater than 1 according to actual use requirements, and may also be set on the base 1, specifically, the base 1 is provided with a receiving cavity recessed downward from the bottom of the receiving cavity 11 to receive the attracting magnet. In some other embodiments of the present invention, the retaining groove 12 may not be provided, but the stopper 5 may be provided as a part of the base 1.

The limiting block 2, the pushing block 3, the first pressing block 4, the second pressing block 8 and the stop block 5 are detachably fixed on the base 1, and the fixing modes include but are not limited to screw fixing, bolt fixing, rivet fixing and buckle fixing.

The attraction magnet 7 is arranged at the bottom of the push block 3, so that attraction force exists between the push block 3 and the base 1 all the time, the push block 3 is attached to the base 1 all the time in the motion process, the push block 3 is prevented from floating up and down, and the position of a product in the Z direction is ensured. Therefore, when various manufacturing processes (such as welding, dispensing, coding and the like) are carried out, the effective focal length in the Z direction can be ensured, and the product processing yield is further ensured. Meanwhile, the attraction magnet 7 is arranged, so that the requirements on the base 1 for the processing precision of the accommodating groove 11, the first pressing block 4, the second pressing block 8 and the pushing block 3 are reduced, the production and manufacturing costs are reduced, and the subsequent maintenance is facilitated.

The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present specification should be based on the technical people in the related art, for example, the descriptions of the directions such as "front", "back", "left", "right", "up", "down", etc., although the present specification has described the present invention in detail with reference to the above embodiments, the ordinary skilled in the art should understand that the technical people in the related art can still modify or substitute the present invention, and all the technical solutions and modifications thereof that do not depart from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.

Claims

1. A clamping device (100) for clamping a product (200) to be processed, characterized in that: comprises a base (1), a limiting block (2) arranged on the base (1) and used for accommodating a product (200) to be processed, a push block (3) which is arranged on the base (1) in a sliding way and is abutted against the product (200) to be processed to be matched with the limiting block (2) to clamp the product (200) to be processed, and first pressing blocks (4) which are arranged on the base (1) and positioned at two sides of the push block (3) and used for guiding and limiting the movement of the push block (3), the second pressing block (8), the stop block (5) which is arranged on one side of the push block (3) far away from the product (200) to be processed, one end of the second pressing block and the elastic piece (6) which is abutted against the push block (3) and the other end of the second pressing block and the stop block (5) are provided with at least one attracting magnet (7) which provides attracting force between the base (1) and the push block (3).

2. The clamping device (100) of claim 1, wherein: the attraction magnet (7) is arranged on the push block (3), and an accommodating cavity (36) for accommodating the attraction magnet (7) is formed in the push block (3).

3. The clamping device (100) of claim 2, wherein: base (1) includes top surface (10), the definition perpendicular to the direction of top surface (10) is upper and lower direction the direction of ejector pad (3) motion is left right direction, is the fore-and-aft direction with the direction of upper and lower direction and left right direction quadrature, be equipped with on base (1) certainly top surface (10) undercut be used for holding first briquetting (4), second briquetting (8) with holding tank (11) of ejector pad (3) and in left right direction with be used for the installation of holding tank (11) intercommunication mounting groove (13) of stopper (2).

4. The clamping device (100) of claim 3, wherein: be equipped with on stopper (2) and hold accommodation space (21) of waiting to process product (200), accommodation space (21) is close to one side of ejector pad (3) has breach (211), ejector pad (3) pass butt behind breach (211) wait to process product (200).

5. The clamping device (100) of claim 4, wherein: the accommodating groove (11) comprises a first accommodating groove (111) which is downwards sunken from the top surface (10) of the base (1) and a second accommodating groove (112) which is continuously downwards sunken from the first accommodating groove (111), and the size of the first accommodating groove (111) is larger than that of the second accommodating groove (112) in the front-rear direction.

6. The clamping device (100) of claim 5, wherein: the pushing block (3) comprises a pushing part (31) which is partially accommodated in the first accommodating groove (111) and protrudes upwards out of the top surface (10), a limiting part (32) which extends downwards from the pushing part (31) and is accommodated in the second accommodating groove (112), and a pressing part (33) which extends out of the accommodating groove (11) from the pushing part (31) in the direction close to the product to be processed (200), wherein the pressing part (33) penetrates through the notch (211) and then abuts against the product to be processed (200), and the size of the pushing part (31) is smaller than that of the limiting part (32) in the front and rear directions.

7. The clamping device (100) of claim 6, wherein: in the front-back direction, a gap exists between the first pressing block (4) and the second pressing block (8), the size of the gap is smaller than that of the limiting portion (32), the size of the gap is larger than that of the pushing portion (31), the pushing portion (31) is located between the first pressing block (4) and the second pressing block (8), the limiting portion (32) is partially located below the first pressing block (4) and the second pressing block (8), and the elastic piece (6) is located in the gap.

8. The clamping device (100) of claim 6, wherein: the push block (3) further comprises a toggle part (34) extending upwards from the push part (31).

9. The clamping device (100) according to any one of claims 1 to 8, wherein: the direction of ejector pad (3) one side of dog (5) is equipped with the location first locating piece (35) of elastic component (6), the direction of dog (5) one side of ejector pad (3) is equipped with right elastic component (6) carry out the second setting element (51) of fixing a position.

10. The clamping device (100) according to any one of claims 3 to 8, wherein: the base (1) is also provided with an accommodating groove (12) which is communicated with the accommodating groove (11) and is used for accommodating the stop block (5).