CN215825108U

CN215825108U - Precision moulding is moulded a piece and is polished and use clamping device

Info

Publication number: CN215825108U
Application number: CN202122097447.3U
Authority: CN
Inventors: 杨兴斌; 汪学义; 周申向
Original assignee: Hubei Langhua Precision Electronic Technology Co ltd
Current assignee: Hubei Langhua Precision Electronic Technology Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-02-15
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses a clamping device for polishing a precision molded part, which belongs to the field of production of molded parts and comprises a base, wherein the top of the base is fixedly connected with a support, the top of the base is fixedly connected with a servo motor, a support rod is rotatably connected inside the support, the output end of the servo motor is fixedly connected to the bottom end of the support rod through a coupler, and the top end of the support rod is fixedly connected with a workbench. The utility model discloses a support the device through the base, place the work piece on the workstation, then twist and move first adjustment mechanism and drive two clamp splices and carry out the bilateral symmetry centre gripping to the work piece to the clamp splice can be great on a large scale cover the periphery of work piece, make the work piece shape that the device can the centre gripping increase, thereby realize that the device is more even to the application of force of work piece, and the centre gripping effect is better, and can adjust the direction of polishing in a flexible way, use more convenient advantage.

Description

Precision moulding is moulded a piece and is polished and use clamping device

Technical Field

The utility model relates to the field of molded parts, in particular to a clamping device for polishing a precision molded part.

Background

With the rapid development of the plastic industry and the continuous improvement of general and engineering plastics in the aspects of strength and the like, the application range of plastic products is continuously expanded, the use amount of the plastic products is also increasing, plastic molded parts refer to plastic products subjected to mold injection molding or compression molding, precision molded parts are mostly used in the electronic industry, and the surfaces of the molded parts need to be polished by using a polishing device in the production process.

However, the existing grinding device can well fix workpieces formed by the directions, cylinders and other rules, but has poor clamping and fixing effects on some workpieces with irregular shapes, uneven stress on the surfaces of the workpieces, and only one surface of the workpiece can be ground during grinding due to the fact that the clamped workpiece cannot rotate, and the clamping device is quite inconvenient to use, so that the clamping device for grinding the precision molded parts is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model aims to provide a clamping device for polishing a precision molding part, which solves the problems that in the prior art, the clamping and fixing effects on some workpieces with irregular shapes are poor, the stress on the surfaces of the workpieces is uneven, and only one surface of the clamped workpiece can be polished due to the fact that the clamped workpiece cannot rotate, and the clamping device is very inconvenient to use.

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a precision moulding piece is polished and is used clamping device, the on-line screen storage device comprises a base, the top fixedly connected with support of base, the top fixedly connected with servo motor of base, the inside of support is rotated and is connected with the bracing piece, servo motor's output passes through shaft coupling fixed connection to the bottom of bracing piece, the top fixedly connected with workstation of bracing piece, the top sliding connection of workstation has two clamp splices, the top of workstation is provided with two first adjustment mechanism, first adjustment mechanism cooperatees with the clamp splice, two three spacing groove has all been seted up to one side that the clamp splice is relative, the inside sliding connection of spacing groove has the regulating block, the inside in spacing groove is provided with second adjustment mechanism, second adjustment mechanism cooperatees with the regulating block.

As a further description of the above technical solution: first adjustment mechanism includes threaded rod and position sleeve, the bottom fixed connection of position sleeve is to the top of workstation, the one end that the threaded rod is close to the clamp splice runs through and threaded connection is close to clamp splice ground one side to the position sleeve, the threaded rod is connected with one side rotation each other that the clamp splice is relative.

As a further description of the above technical solution: the second adjusting mechanism comprises an adjusting screw rod, a vertical push block, a transverse push block and two springs, wherein one end of each spring is fixedly connected to one side of the corresponding transverse push block inside the limiting groove, the other end of each spring is fixedly connected to one side of the corresponding transverse push block, the other side of each transverse push block is in sliding contact with the other side of the corresponding vertical push block, the outer side of each transverse push block is horizontally and slidably connected to the inside of the corresponding limiting groove, the outer side of each vertical push block is vertically and slidably connected to the inside of the corresponding limiting groove, the top of each vertical push block is rotatably connected to the bottom end of the adjusting screw rod, and the top of the adjusting screw rod is penetrated through and is in threaded connection with the ground top of the clamping block.

As a further description of the above technical solution: one side of the vertical push block opposite to the transverse push block is provided with smooth inclined planes, and the two inclined planes are in sliding contact with each other.

As a further description of the above technical solution: the adjusting block is an elastic rubber block, and the overlooking cross section of the clamping block is C-shaped.

As a further description of the above technical solution: the outside fixedly connected with of bracing piece strengthens branch two strengthen the top fixed connection of branch to the bottom of workstation.

Compared with the prior art, the utility model has the advantages that:

(1) the scheme supports the device through the base, a workpiece is placed on the workbench, then the first adjusting mechanism is screwed to drive the two clamping blocks to symmetrically clamp the workpiece left and right, the clamping blocks can cover the periphery of the workpiece in a large range, the shape of the workpiece which can be clamped by the device is increased, the application range is enlarged, when the workpiece is initially clamped and stabilized by the two clamping blocks, the surface of the workpiece is contacted with the adjusting blocks and extrudes the adjusting blocks to slide inwards along the limiting grooves, the extrusion degree of each adjusting block is different due to the irregular shape of the workpiece, the visual observation can be realized, then the second adjusting mechanism is screwed to apply force to the adjusting blocks with smaller moving displacement, the adjusting is performed one by one, so that the extrusion force of the device on the workpiece is more uniform, and when the direction of the workpiece needs to be changed, the servo motor is started to drive the workbench on the supporting rod to rotate so as to change the polishing direction of the workpiece, thereby realize that the application of force of guaranteeing the device to the work piece is more even, and the centre gripping effect is better to can adjust the direction of polishing in a flexible way, use more convenient advantage has solved among the prior art and then very poor to the fixed effect of some irregularly shaped work piece centre gripping, and the workpiece surface atress is inhomogeneous, and because the work piece after the centre gripping can't rotate, can only polish its one side when polishing, uses very inconvenient problem.

(2) This scheme uses through the cooperation of threaded rod and position sleeve, rotates the threaded rod and makes its inside horizontal motion along the position sleeve drive the clamp splice and be close to each other and tentatively fix the work piece, convenient operation laborsaving.

(3) This scheme is through adjusting screw, erect the ejector pad, horizontal ejector pad, use with two spring cooperation regulating blocks, rotate adjusting screw and drive and erect the ejector pad and slide along the inside vertical slip of spacing groove, when erecting the ejector pad downstream, promote horizontal ejector pad along spacing groove horizontal migration to extrude two springs, make two springs to the thrust increase of regulating block, with the extrusion force of increase regulating block to workpiece surface, thereby realize that the device is more evenly balanced to workpiece surface centre gripping dynamics, the centre gripping effect is better.

(4) According to the scheme, the inclined plane on one side, opposite to the transverse pushing block, of the vertical pushing block can push the transverse pushing block to move horizontally when the vertical pushing block moves vertically, so that the pressure value of the adjusting block on the surface of the workpiece can be changed.

(5) This scheme is passed through the regulating block and is the elasticity rubber piece for the device is softer to the centre gripping of work piece, avoids fish tail work piece surface when adjusting, plays the guard action, and the clamp splice of C font can all possess good centre gripping effect to the work piece of more irregular appearances.

(6) This scheme makes the device more stable to the support of workstation through strengthening branch for the device operates more steadily.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is an enlarged view of the part A of FIG. 1;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is a schematic front perspective view of a clamping block according to the present invention.

The reference numbers in the figures illustrate:

1. a base; 2. a support; 3. a servo motor; 4. a support bar; 41. a reinforcing strut; 5. a work table; 6. a second adjustment mechanism; 61. adjusting the screw rod; 62. a vertical push block; 63. a transverse push block; 64. a spring; 7. a clamping block; 8. a first adjustment mechanism; 81. a threaded rod; 82. a positioning sleeve; 9. an adjusting block; 10. a limiting groove.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention;

referring to fig. 1 to 4, the clamping device for polishing the precision molding comprises a base 1, a support 2 is fixedly connected to the top of the base 1, a servo motor 3 is fixedly connected to the top of the base 1, a support rod 4 is rotatably connected to the inside of the support 2, the output end of the servo motor 3 is fixedly connected to the bottom end of the support rod 4 through a coupler, a workbench 5 is fixedly connected to the top end of the support rod 4, two clamping blocks 7 are slidably connected to the top of the workbench 5, two first adjusting mechanisms 8 are arranged at the top of the workbench 5, the first adjusting mechanisms 8 are matched with the clamping blocks 7, three limiting grooves 10 are formed in two opposite sides of the two clamping blocks 7, adjusting blocks 9 are slidably connected to the inside of the limiting grooves 10, a second adjusting mechanism 6 is arranged inside the limiting grooves 10, and the second adjusting mechanism 6 is matched with the adjusting blocks 9.

In the utility model, a base 1 is used for supporting a device, a workpiece is placed on a workbench 5, then a first adjusting mechanism 8 is screwed to drive two clamping blocks 7 to symmetrically clamp the workpiece left and right, the clamping blocks 7 can cover the periphery of the workpiece in a larger range, so that the shapes of the workpiece which can be clamped by the device are increased, the application range is enlarged, when the workpiece is initially clamped and stabilized by the two clamping blocks 7, the surface of the workpiece is contacted with an adjusting block 9, and the adjusting block 9 is extruded to slide inwards along a limiting groove 10, because the shape of the workpiece is irregular, the extruding degree of each adjusting block 9 is different, so that the workpiece can be observed visually, then a second adjusting mechanism 6 is screwed to apply force to the adjusting block 9 with smaller moving displacement, the adjusting is carried out one by one, so that the extruding force of the device to the workpiece is more uniform, and when the direction of the workpiece needs to be changed, a servo motor 3 is started to drive the workbench 5 on a supporting rod 4 to rotate, the polishing device has the advantages of being capable of adjusting polishing directions flexibly and being more convenient to use, and solves the problems that in the prior art, the fixing effect of clamping some workpieces with irregular shapes is poor, the stress on the surfaces of the workpieces is uneven, and the workpieces cannot rotate after being clamped, so that only one surface of the workpiece can be polished when being polished, and the polishing device is very inconvenient to use.

Please refer to fig. 1, fig. 2, and fig. 3, wherein: the first adjusting mechanism 8 comprises a threaded rod 81 and a positioning sleeve 82, the bottom of the positioning sleeve 82 is fixedly connected to the top of the workbench 5, one end, close to the clamping block 7, of the threaded rod 81 penetrates through and is in threaded connection with one side, close to the clamping block 7, of the positioning sleeve 82, and the threaded rod 81 and one side, opposite to the clamping block 7, of the positioning sleeve 82 are in mutual rotating connection.

In the utility model, the threaded rod 81 and the positioning sleeve 82 are matched for use, the threaded rod 81 is rotated to horizontally move along the inside of the positioning sleeve 82 to drive the clamping blocks 7 to mutually approach to preliminarily fix the workpiece, and the operation is convenient and labor-saving.

Please refer to fig. 1, fig. 2, and fig. 3, wherein: the second adjusting mechanism 6 comprises an adjusting screw 61, a vertical push block 62, a horizontal push block 63 and two springs 64, one ends of the two springs 64 are fixedly connected to one side of the horizontal push block 63 inside the limiting groove 10, the other ends of the two springs 64 are fixedly connected to one side of the horizontal push block 63, the other side of the horizontal push block 63 is in sliding contact with the other side of the vertical push block 62, the outer side of the horizontal push block 63 is horizontally sliding connected to the inside of the limiting groove 10, the outer side of the vertical push block 62 is vertically sliding connected to the inside of the limiting groove 10, the top of the vertical push block 62 is rotatably connected to the bottom end of the adjusting screw 61, and the top end of the adjusting screw 61 is penetrated through and screwed to the top of the clamping block 7.

According to the utility model, the adjusting screw 61, the vertical push block 62, the horizontal push block 63 and the two springs 64 are matched with the adjusting block 9 for use, the adjusting screw 61 is rotated to drive the vertical push block 62 to vertically slide along the inside of the limiting groove 10, and when the vertical push block 62 moves downwards, the horizontal push block 63 is pushed to horizontally move along the limiting groove 10 and extrude the two springs 64, so that the thrust of the two springs 64 on the adjusting block 9 is increased, the extrusion force of the adjusting block 9 on the surface of a workpiece is increased, the clamping force of the device on the surface of the workpiece is more uniform and balanced, and the clamping effect is better.

Please refer to fig. 2, in which: one side of the vertical push block 62 opposite to the horizontal push block 63 is provided with a smooth inclined surface, and the two inclined surfaces are in sliding contact with each other.

In the utility model, the inclined surface on the opposite side of the vertical push block 62 and the transverse push block 63 can push the transverse push block 63 to move horizontally when the vertical push block 62 moves vertically, thereby changing the pressure value of the adjusting block 9 on the surface of the workpiece.

Please refer to fig. 3 and fig. 4, wherein: the adjusting block 9 is an elastic rubber block, and the overlooking cross section of the clamping block 7 is C-shaped.

In the utility model, the adjusting block 9 is an elastic rubber block, so that the clamping of the device on the workpiece is softer, the surface of the workpiece is prevented from being scratched during adjustment, a protection effect is achieved, and the C-shaped clamping block 7 can have a good clamping effect on more workpieces with irregular shapes.

Please refer to fig. 1, in which: two reinforcing struts 41 are fixedly connected to the outer sides of the supporting rods 4, and the tops of the two reinforcing struts 41 are fixedly connected to the bottom of the workbench 5.

In the utility model, the supporting of the device to the workbench 5 is more stable through the reinforcing support rod 41, so that the device runs more stably.

The working principle is as follows: when the device is used, a workpiece is firstly placed on the workbench 5, then the threaded rod 81 is screwed to enable the threaded rod to horizontally move along the inside of the positioning sleeve 82 to drive the clamping blocks 7 to mutually approach to preliminarily fix the workpiece, the surface of the workpiece is contacted with the adjusting blocks 9, and the adjusting blocks 9 are extruded to slide inwards along the limiting grooves 10, because the shape of the workpiece is irregular, the extrusion degree of each adjusting block 9 is different, the workpiece can be observed visually, then the adjusting screw 61 is screwed to rotate to drive the vertical pushing block 62 to vertically slide along the inside of the limiting grooves 10, when the vertical pushing block 62 moves downwards, the transverse pushing block 63 is pushed to horizontally move along the limiting grooves 10, and the two springs 64 are extruded, so that the thrust of the two springs 64 on the adjusting blocks 9 is increased, the extrusion force of the adjusting blocks 9 on the surface of the workpiece is increased, the force is applied to the adjusting blocks 9 with smaller movable displacement, the extrusion force is adjusted one by one, and the device is more uniform on the workpiece, when the direction of a workpiece needs to be changed, the servo motor 3 is started to drive the workbench 5 on the support rod 4 to rotate so as to change the polishing direction of the workpiece, so that the force application of the device to the workpiece is more uniform, the clamping effect is better, the polishing direction can be flexibly adjusted, and the device has the advantage of being more convenient to use, and solves the problems that in the prior art, the clamping and fixing effect of some workpieces with irregular shapes is poor, the stress on the surfaces of the workpieces is uneven, and because the clamped workpieces cannot rotate, only one surface of the workpiece can be polished during polishing, and the use is very inconvenient.

The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a precision moulding piece is polished and is used clamping device, includes base (1), its characterized in that: the top of the base (1) is fixedly connected with a support (2), the top of the base (1) is fixedly connected with a servo motor (3), the inside of the support (2) is rotatably connected with a support rod (4), the output end of the servo motor (3) is fixedly connected to the bottom end of the support rod (4) through a coupler, the top end of the support rod (4) is fixedly connected with a workbench (5), the top of the workbench (5) is slidably connected with two clamping blocks (7), the top of the workbench (5) is provided with two first adjusting mechanisms (8), the first adjusting mechanisms (8) are matched with the clamping blocks (7), one side of the two clamping blocks (7) opposite to each other is provided with three limiting grooves (10), the inside of each limiting groove (10) is slidably connected with an adjusting block (9), the inside of each limiting groove (10) is provided with a second adjusting mechanism (6), the second adjusting mechanism (6) is matched with the adjusting block (9).

2. A precision molded article grinding jig as defined in claim 1, wherein: first adjustment mechanism (8) are including threaded rod (81) and position sleeve (82), the bottom fixed connection of position sleeve (82) is to the top of workstation (5), one end that threaded rod (81) are close to clamp splice (7) is run through and threaded connection is close to one side of clamp splice (7) to position sleeve (82), one side rotation each other that threaded rod (81) and clamp splice (7) are relative is connected.

3. A precision molded article grinding jig as defined in claim 1, wherein: the second adjusting mechanism (6) comprises an adjusting screw rod (61), a vertical pushing block (62), a transverse pushing block (63) and two springs (64), wherein one ends of the springs (64) are fixedly connected to one side of the transverse pushing block (63) in the limiting groove (10), the other end of the springs (64) is fixedly connected to one side of the transverse pushing block (63), the other side of the transverse pushing block (63) is in sliding contact with the other side of the vertical pushing block (62), the outer side of the transverse pushing block (63) is horizontally and slidably connected to the inside of the limiting groove (10), the outer side of the vertical pushing block (62) is vertically and slidably connected to the inside of the limiting groove (10), the top of the vertical pushing block (62) is rotatably connected to the bottom end of the adjusting screw rod (61), and the top end of the adjusting screw rod (61) is connected to the top of the clamping block (7) in a penetrating and threaded mode.

4. A precision molded article grinding jig as defined in claim 3, wherein: smooth inclined planes are arranged on the opposite sides of the vertical pushing block (62) and the transverse pushing block (63), and the two inclined planes are in sliding contact with each other.

5. A precision molded article grinding jig as defined in claim 1, wherein: the adjusting block (9) is an elastic rubber block, and the overlooking cross section of the clamping block (7) is C-shaped.

6. A precision molded article grinding jig as defined in claim 1, wherein: the outside fixedly connected with of bracing piece (4) strengthens branch (41), two strengthen the top fixed connection of branch (41) to the bottom of workstation (5).