CN214162615U

CN214162615U - Clamp for machining die accessories

Info

Publication number: CN214162615U
Application number: CN202023195346.1U
Authority: CN
Inventors: 马德奉
Original assignee: Xierong Precision Devices Dongguan Co ltd
Current assignee: Xierong Precision Devices Dongguan Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-09-10
Anticipated expiration: 2030-12-23

Abstract

The application relates to the technical field of clamps, in particular to a clamp for machining a die accessory, which comprises a base, wherein the base is provided with a clamping component for clamping a thimble, a height-adjusting piece for adjusting the height of the clamping component and a height-fixing piece for locking and locking the height of the height-adjusting piece; the clamping component is arranged on the height-adjusting piece, the height-adjusting piece is connected with the base in a sliding mode, and the height-fixing piece penetrates through the base and is detachably connected with the height-adjusting piece; the base is also provided with a stabilizing piece which is fixedly connected with an external grinding machine. The reinforcing component plays a role in mechanically clamping the thimble to be machined, and manual holding is not needed; after the ejector pin clamped by the reinforced component is close to the position in contact with the grinding wheel of the grinding machine, the base is fixedly installed on the grinding machine through the stabilizing piece, the defect that the ejector pin deviates from the grinding wheel due to the fact that the base is subjected to external force during grinding is overcome, the effect that a worker and a clamp are not in contact during the grinding is achieved, and the safety of the ejector pin during grinding is improved.

Description

Clamp for machining die accessories

Technical Field

The application relates to the technical field of clamps, in particular to a clamp for machining a die accessory.

Background

The mold accessories comprise ejector pins, and the ejector pins are a common object in the mold injection molding process. The ejector pin is used for ejecting a product out of the mold after injection molding so as to realize demolding. To the products of different structures, the ejector pins of different shapes are required to be used for ejecting the products, and the shape of the ejector pins comprises round ejector pins or flat ejector pins and the like. Therefore, before the ejector pin is used, a user needs to machine the ejector pin to form a shape corresponding to the ejector pin hole of the die, the common mode is that the ejector pin is manually held to polish, the ejector pin is contacted with a grinding wheel rotated by a grinding machine, and therefore machining is achieved.

In view of the above-mentioned related art, the applicant believes that there is a certain risk in the way of handling the thimble close to the grinding wheel for machining.

SUMMERY OF THE UTILITY MODEL

In order to play the effect of mechanical clamping thimble, need not handheld thimble, realize that supplementary fixed thimble carries out the function of the processing of polishing, this application provides an anchor clamps for processing mould accessory.

The technical scheme is as follows: a clamp for processing a mould accessory comprises a base, wherein the base is provided with a clamping component for clamping a thimble, an heightening component for adjusting the height of the clamping component and a height fixing component for locking and fixing the height of the heightening component; the clamping component is arranged on the height-adjusting piece, the height-adjusting piece is connected with the base in a sliding mode, and the height-fixing piece penetrates through the base and is detachably connected with the height-adjusting piece; the base is also provided with a stabilizing piece which is fixedly connected with an external grinding machine.

By adopting the above scheme, play the effect of mechanical clamping treating the thimble of processing through the reinforcement subassembly, after being close to the position with the emery wheel contact of grinding machine by the thimble of reinforcement subassembly clamping, carry out horizontal calibration with base fixed mounting in the grinding machine through the steadying piece. The thimble does not need to be manually held to polish, and the defect that the thimble deviates from the grinding wheel due to the fact that the base is subjected to external force to displace during polishing is overcome. The height adjusting piece provided with the clamping component is connected with the base in a sliding mode, so that the height of the clamping component is adjusted, and the thimbles with different lengths can be conveniently clamped; realize the height that the lock solid increaseed the piece through deciding high piece, play the unchangeable effect of height that keeps the clamping subassembly, heighten the piece and decide high piece cooperation and reach the effect that the staff all had no contact with anchor clamps when processing the thimble of different length, improve the security of processing thimble of polishing.

Optionally, the fixing member is disposed at the bottom of the base, and the fixing member is a magnetic fixing member.

Through adopting above-mentioned scheme for the fixed function of magnetism is inhaled to the magnetic chuck realization of steadiness piece and grinding machine. The base is ensured to be fixedly connected with the grinding machine. Need not artifical handheld base when polishing, improve the security.

Optionally, the stabilizing member is integrally formed with the base.

Through adopting above-mentioned scheme, improve the hardness of steadiness spare and base.

Optionally, the base is recessed with a receiving groove for receiving the height-adjusting member.

Through adopting above-mentioned scheme, the storage tank plays the effect of direction to heightening the piece, reduces heightening the condition that the piece produced the skew when going up and down.

Optionally, the two sides of the height-adjusting piece are both extended with anti-oblique strips, and the two side walls of the accommodating groove are both recessed with anti-oblique grooves for accommodating the anti-oblique strips.

Through adopting above-mentioned scheme, the piece of increaseing prevents that oblique strip and prevent that the chute utilizes the spacing mode of butt each other, plays the gliding effect of direction, and the condition that reduces the skew takes place

Optionally, the piece of deciding the height is the lead screw, the base is equipped with the mounting hole, mounting hole and storage tank intercommunication, it is equipped with a plurality of screw hole to increase the piece, the lead screw runs through mounting hole and screw hole spiro union.

By adopting the scheme, the screw rod and the heightening piece are matched, clamped and fixed on the base, the height of the heightening piece is guaranteed not to change any more, and the function of locking and fixing the height is achieved.

Optionally, the clamping component comprises a positioning piece and a clamping piece, the positioning piece is provided with a plurality of clamping pin grooves used for being matched with the clamping piece to clamp the thimble at intervals, the positioning piece is detachably connected with the clamping piece, and the positioning piece is arranged at the upper end of the height-adjustable piece.

Through adopting above-mentioned scheme, the function of tight thimble is realized through frictional force effect to folder and setting element cooperation. Set up a plurality of card needle groove, realize that many thimbles of clamping simultaneously carry out the function of polishing, improve the efficiency of the processing of polishing.

Optionally, the plurality of needle clamping grooves are divided into a plurality of groups, and the cross-sectional shapes of the needle clamping grooves between the groups are different.

By adopting the scheme, the ejector pins with different shapes can be clamped and clamped conveniently.

Optionally, the size of the card pin slot within each group is different.

By adopting the scheme, the ejector pins in the same shape and different sizes can be clamped in a compatible manner, and the ejector pins are convenient to use.

Optionally, the positioning element is provided with a protruding portion, the plurality of needle clamping grooves are all arranged on the outer side of the protruding portion, and the clamping piece is detachably connected with the outer side of the protruding portion.

By adopting the scheme, the clamping that the base and the heightening piece obstruct the thimble is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the reinforcing component plays a role in mechanically clamping the thimble to be machined, and manual holding is not needed; after the ejector pin clamped by the reinforced component is close to the position in contact with the grinding wheel of the grinding machine, the base is fixedly installed on the grinding machine through the stabilizing piece, the defect that the ejector pin deviates from the grinding wheel due to the fact that the base is subjected to external force during grinding is overcome, the effect that a worker and a clamp are not in contact during the grinding is achieved, and the safety of the ejector pin during grinding is improved.

2. The height adjusting piece provided with the clamping component is connected with the base in a sliding mode, so that the height of the clamping component is adjusted, and the thimbles with different lengths can be conveniently clamped; the height of the height-adjusting piece is locked and fixed through the height-fixing piece, and the effect of keeping the height of the clamping component unchanged is achieved.

Drawings

Fig. 1 is a schematic view of a clamp clamping thimble and being installed on a grinding machine according to an embodiment of the present application.

Fig. 2 is a schematic view of a clamping thimble of the clamp and a magnetic chuck in fixed connection according to the embodiment of the present application.

Fig. 3 is a schematic view of a clamping thimble of the clamp according to the embodiment of the present application.

Fig. 4 is an exploded view of the clamp according to the embodiment of the present disclosure.

Figure 5 is an exploded view of a clamping assembly according to an embodiment of the present application.

Fig. 6 is a cross-sectional view of the base, the height-adjusting member and the height-setting member according to the embodiment of the present application.

FIG. 7 is a schematic structural diagram of a base, a stop, and an elevation member according to an embodiment of the present application.

Reference numerals: 1. a base; 2. a clamping assembly; 3. a height adjusting piece; 4. a height fixing piece; 5. a containing groove; 6. anti-skewing strips; 7. an anti-chute; 8. mounting holes; 9. a threaded hole; 10. a positioning member; 11. a clamp; 12. a needle clamping groove; 13. a protruding portion; 14. a bolt; 15. sleeving heads; 16. a stopper; 17. a screw; 18. a through hole; 19. a club head; 20. a rod body; 21. grinding machine; 22. a thimble; 23. a magnetic chuck; 24. a grinding wheel; 25. and (4) opening.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Referring to fig. 1 to 3, a fixture for processing a mold part includes a base 1, the base 1 is provided with a clamping component 2 for clamping a thimble 22, a height-adjusting component 3 for adjusting the height of the clamping component 2, and a height-fixing component 4 for locking and fixing the height of the height-adjusting component 3; the clamping component 2 is arranged on the heightening component 3, the heightening component 3 is connected with the base 1 in a sliding mode, and the height fixing component 4 penetrates through the base 1 and is detachably connected with the heightening component 3; the base 1 is further provided with a stabilizing member for fixed connection with an external grinding machine 21.

Treat thimble 22 through clamping subassembly 2 clamping, refer to fig. 3 and fig. 4, clamping subassembly 2 includes setting element 10 and folder 11, and setting element 10 interval is equipped with a plurality of card needle groove 12 that is used for cooperating clamping thimble 22 with folder 11, and setting element 10 can dismantle with folder 11 and be connected, and setting element 10 sets up in the upper end of increaseing piece 3. When the thimble clamping device is used, the clamping piece 11 is detached from the positioning piece 10, the thimble 22 is accommodated in the thimble groove 12, one end of the thimble 22 to be polished protrudes out of the thimble groove 12, then the clamping piece 11 is installed on the positioning piece 10 again, in the process of installing the clamping piece 11, the thimble 22 is gradually attached to the outer side of the thimble 22 through the matching of the clamping piece 11 and the positioning piece 10, and the action of friction force is utilized until the thimble 22 is completely clamped by the clamping piece 11 and the positioning piece 10, so that the clamping effect is achieved.

Referring to fig. 4 and 5, in particular, the reinforcing assembly further includes a bolt 14, and the clamping member 11 is screwed with the positioning member 10 through the bolt 14 to be detachable. One end of the clamping piece 11 is provided with a through hole 18, and the bolt 14 penetrates through the through hole 18 and is in threaded connection with the positioning piece 10; the other end of the clamping piece 11 is provided with an opening 25, and the bolt 14 penetrates through the opening 25 to be screwed with the positioning piece 10. With the arrangement, when the thimble 22 needs to be accommodated, after the bolts 14 penetrating through two ends of the clamping piece 11 are unscrewed, the clamping piece 11 is rotated by taking the bolt 14 at one end of the clamping piece 11 as an axis, and then the opening 25 at the other end of the clamping piece 11 is separated from the bolt 14 corresponding to the opening 25, so that the semi-dismantling function of the clamping piece 11 and the positioning piece 10 is realized, and the thimble 22 is conveniently clamped and meanwhile, the effect of time and labor saving dismantling is achieved. Specifically, the bolt 14 corresponding to the opening 25 is provided with a socket 15 for facilitating rotation.

Referring to fig. 5, in particular, the positioning member 10 is threadedly coupled with the height-adjusting member 3 by at least two screws 17. The arrangement improves the connection stability of the positioning piece 10 and the heightening piece 3, and reduces the loosening condition during polishing.

The plurality of needle clamping grooves 12 are arranged, so that the function of clamping a plurality of thimbles 22 to polish simultaneously can be realized, and the polishing efficiency is improved. Since the shape of the conventional thimble 22 includes a round thimble 22 or a flat thimble 22, the plurality of needle clamping grooves 12 are divided into a plurality of groups, and the cross-sectional shapes of the needle clamping grooves 12 between the groups are different. The thimble 22 with different shapes can be clamped in a compatible mode, and the use is convenient. Specifically, the cross-sectional shape of the needle clamping groove 12 includes, but is not limited to, V-shaped, rectangular, arc-shaped, semicircular, star-shaped, irregular figure, etc., the V-shaped cross-sectional needle clamping groove 12 is used for fixing the round thimble 22, and the rectangular cross-sectional needle clamping groove 12 is used for fixing the flat thimble 22. In addition, the dimensions of the card pin grooves 12 within each group are different. The ejector pins 22 in different sizes can be compatibly clamped and in the same shape.

Referring to fig. 4 and 5, the positioning member 10 is provided with a protruding portion 13, a plurality of needle clamping grooves 12 are formed on the outer side of the protruding portion 13, and the clamping members 11 are detachably connected to the outer side of the protruding portion 13. The arrangement is such that the straight line of each needle clamping groove 12 is different from the vertical line of the base 1 and the vertical line of the height-adjusting piece 3, so as to reduce the obstruction of the base 1 and the height-adjusting piece 3 on the clamping of the thimble 22. The positioning member 10 and the protruding portion 13 are integrally formed, so that the overall hardness of the positioning member 10 and the protruding portion 13 is improved, and the stress degree during polishing is enhanced.

Referring to fig. 4, the base 1 is recessed with a receiving groove 5 for receiving the height-adjusting member 3. Set up like this, when heightening 3 oscilaltion, storage tank 5 plays the effect of direction to heightening 3, reduces heightening 3 and produces the condition of skew when going up and down.

Decide high 4 and be the lead screw, base 1 is equipped with mounting hole 8, and mounting hole 8 and storage tank 5 intercommunication increase 3 and be equipped with a plurality of screw hole 9, and the lead screw runs through mounting hole 8 and screw hole 9 spiro union from the rear end of base 1. When the height of the height-adjusting part 3 needs to be locked, specifically, the height-adjusting part 3 slides to a specified height, then the screw rod penetrates through the mounting hole 8 to be in rotary threaded connection with one of the threaded holes 9, the height-adjusting part 4 is provided with the rod head 19 and the rod body 20 used for being in threaded connection with the threaded hole 9, the diameter length of the rod head 19 is larger than the transverse width of the mounting hole 8, the rod head 19 cannot penetrate through the mounting hole 8, the arrangement is realized in such a way that the rod head 19 of the height-adjusting part 4 is matched with the height-adjusting part 3 to clamp the base 1 after the height-adjusting part 3 is screwed tightly, and the height of the height-adjusting part 3 is guaranteed not to change any more. The length of the inner diameter of the mounting hole 8 is larger than the length of the diameter of the rod body 20 of the height-fixing piece 4. The height-fixing piece 4 is convenient to slide in the mounting hole 8 to play a role of adjusting the position. Specifically, the number of the height fixing pieces 4 is at least two, and a plurality of height fixing pieces 4 can be matched with a plurality of corresponding threaded holes 9 in a screwed mode, so that the locking height degree is improved. The length of the rod body 20 of the height fixing piece 4 is smaller than or equal to the depth of the screw hole, so that the situation that the rod body 20 of the height fixing piece 4 protrudes from the front end of the screw hole 9 is reduced, and the placement of the blocking thimble 22 is reduced.

Referring to fig. 4 and 6, the height-adjusting member 3 has two sides each protruding with an anti-tilt strip 6, and two side walls of the accommodating groove 5 are each recessed with an anti-tilt groove 7 for accommodating the anti-tilt strip 6. The anti-inclined strip 6 and the anti-inclined groove 7 of the heightening part 3 realize the function of guiding and sliding in a mutually abutting limiting mode, and the inclination of the heightening part 3 with the clamping component 2 in the direction far away from the base 1 during sliding is reduced. Specifically, referring to fig. 6, the inclined preventing grooves 7 are respectively disposed on two side walls of the accommodating groove 5 so that the sectional shape of the accommodating groove 5 is T-shaped, and the inclined preventing strips 6 are respectively disposed on two sides of the height-adjustable piece 3 so that the sectional shape of the height-adjustable piece 3 is T-shaped. As another embodiment, the inclined preventing grooves 7 are respectively formed in the middle of the two side walls of the accommodating groove 5, and the inclined preventing strips 6 are respectively formed in the middle of the two sides of the height-adjustable member 3. Referring to fig. 7, as another embodiment, stoppers 16 protrude from both side walls of the receiving groove 5, and the stoppers 16 are disposed to limit and prevent tilting, so as to reduce the inclination of the height-adjusting member 3 away from the base 1.

After the clamping is completed, the thimble 22 clamped by the reinforced component is close to the position contacting with the grinding wheel 24 of the grinding machine 21, and the base 1 is fixedly arranged on the grinding machine 21 through the stabilizing piece to realize horizontal calibration. Specifically, referring to fig. 1 and 2, a conventional grinding machine 21 is provided with a magnetic suction cup 23, and a stabilizing member is arranged at the bottom of the base 1, wherein the stabilizing member is a magnetic stabilizing member. So that the fixing member and the magnetic chuck 23 can realize the function of magnetic attraction and fixation. The base 1 can be fixedly arranged on the grinding machine 21, the defect that the thimble 22 deviates from the grinding wheel 24 due to the fact that the base 1 is displaced under the action of external force during grinding and machining is overcome, the effect that a worker is not in contact with a clamp during machining is achieved, and the safety of the thimble 22 during grinding and machining is improved. In particular, the stabilizing member is a stabilizing member made of a metal member with magnetism. Firm piece and base 1 integrated into one piece improve firm piece and base 1's hardness. Further, the base 1 is a base 1 made of a magnetic material as a whole. The base 1 is arranged in a horizontal state or in a vertical state, and can be matched with the magnetic chuck 23 of the grinding machine 21 to be fixed in a magnetic attraction manner, so that the use is convenient. As another embodiment, the fixing member is a positioning hole provided on the base 1, and the fixing member can be fixedly connected to the grinding machine 21 by a screw 17 passing through the positioning hole. Or the fixing piece is arranged in the positioning groove of the base 1 and is spliced with the positioning strip corresponding to the grinding machine 21 through the positioning groove to realize fixed connection.

The working principle of the application is as follows: the reinforced component plays a role in mechanically clamping the thimble 22 to be processed, and after the thimble 22 clamped by the reinforced component is close to a position in contact with the grinding wheel 24 of the grinding machine 21, the base 1 is fixedly arranged on the grinding machine 21 through the fixing piece.

The height-adjusting piece 3 provided with the clamping component 2 is connected with the base 1 in a sliding manner, so that the height of the clamping component 2 is adjusted, and the thimbles 22 with different lengths can be conveniently clamped; the height of the height-adjusting part 3 is locked and fixed by the height-fixing part 4, so that the height of the clamping component 2 is kept unchanged.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The clamp for machining the die fittings is characterized by comprising a base (1), wherein the base (1) is provided with a clamping component (2) for clamping a thimble (22), a height-adjusting component (3) for adjusting the height of the clamping component (2) and a height-fixing component (4) for locking and fixing the height of the height-adjusting component (3);

the clamping component (2) is arranged on the heightening component (3), the heightening component (3) is connected with the base (1) in a sliding mode, and the height fixing component (4) penetrates through the base (1) and is detachably connected with the heightening component (3);

the base (1) is further provided with a fixing piece fixedly connected with an external grinding machine (21).

2. A fixture for tooling mould accessories according to claim 1, characterized in that the stabilizing member is provided at the bottom of the base (1), the stabilizing member being a magnetic stabilizing member.

3. A jig for machining a mould part according to claim 2 characterised in that the stabilising member is integrally formed with the base (1).

4. A jig for machining mould parts according to claim 1 characterised in that the base (1) is recessed with a receiving recess (5) for receiving an elevation member (3).

5. The jig for processing a mold part according to claim 4, wherein the height-adjusting member (3) has two sides each protruding with a slant-proof bar (6), and both side walls of the receiving groove (5) have two side walls each recessed with a slant-proof groove (7) for receiving the slant-proof bar (6).

6. The fixture for machining the die part as claimed in claim 4, wherein the height-fixing member (4) is a screw rod, the base (1) is provided with a mounting hole (8), the mounting hole (8) is communicated with the accommodating groove (5), the height-adjusting member (3) is provided with a plurality of threaded holes (9), and the screw rod penetrates through the mounting hole (8) and is in threaded connection with the threaded holes (9).

7. The fixture for processing the die accessories as claimed in claim 1, wherein the clamping assembly (2) comprises a positioning member (10) and a clamping member (11), the positioning member (10) is provided with a plurality of clamping pin grooves (12) at intervals for clamping the thimble (22) in cooperation with the clamping member (11), the positioning member (10) is detachably connected with the clamping member (11), and the positioning member (10) is arranged at the upper end of the height-adjusting member (3).

8. The jig for machining mold parts according to claim 7, wherein the plurality of the needle grooves (12) are divided into a plurality of groups, and the cross-sectional shapes of the needle grooves (12) are different between the groups.

9. A jig for tooling mould parts according to claim 8 characterised in that the dimensions of the bayonet slots (12) within each set are all different.

10. A jig for processing a mold part according to claim 7, wherein the positioning member (10) is provided with a protruding portion (13), the plurality of needle holding grooves (12) are provided outside the protruding portion (13), and the clip member (11) is detachably coupled to the outside of the protruding portion (13).