CN218193703U

CN218193703U - Guide rail clamp holder

Info

Publication number: CN218193703U
Application number: CN202222241245.6U
Authority: CN
Inventors: 庄如云; 宫蓬
Original assignee: Yuhuan Ruikun Machinery Co ltd
Current assignee: Yuhuan Ruikun Machinery Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-01-03
Anticipated expiration: 2032-08-24

Abstract

The utility model provides a guide rail holder belongs to mechanical technical field. It has solved the problem that current part is difficult to stable positioning after removing for the guide rail. This guide rail holder, including the casing, the bottom surface of casing have recessed be used for with guide rail complex spout, wear to be equipped with the activity dog that can partially stretch out the casing on the lateral wall of spout, be provided with the piston that separates the casing inner chamber for piston chamber and centre gripping chamber in the casing, the piston intracavity is provided with the centre gripping spring, the centre gripping intracavity is provided with the wedge, the wedge with the piston links firmly, and the wedge can receive centre gripping spring elasticity at the piston to promote when the centre gripping intracavity removes the activity dog is to the casing is extended outward, the lateral part that the casing is located the centre gripping chamber still runs through and has seted up the import. The guide rail clamp holder has the advantage of stable positioning.

Description

Guide rail clamp holder

Technical Field

The utility model belongs to the technical field of machinery, a guide rail holder is related to.

Background

With the high-speed development of the mechanical industry in China, particularly the development of high-precision and heavy-load numerical control machines, the requirements on the numerical control machines are more and more, and meanwhile, higher requirements are put forward on technical parameters of equipment.

On a numerical control machine tool or other machine tools, guide rails are used for moving parts such as a mechanical arm, a cutter, a sliding table and the like, so that workpieces can be conveniently and comprehensively machined.

In the actual use process, no matter a manipulator, a cutter or a sliding table moves to a preset position along a guide rail and then works, the auxiliary positioning is usually carried out only by a driving source, such as a motor, an air cylinder and a hydraulic cylinder, and during the positioning, the positioning is influenced by factors such as the change of the gravity center and the vibration during the working, so that the movement relative to the guide rail is inevitable, and the machining precision is further influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem that prior art exists, provide a guide rail holder, solved current part and removed the problem that the back is difficult to the stable positioning for the guide rail.

The purpose of the utility model can be realized by the following technical proposal:

guide rail holder, including the casing, its characterized in that, the bottom surface of casing have recessed be used for with guide rail complex spout, wear to be equipped with the movable stop that can the part stretch out the casing on the lateral wall of spout, be provided with the piston that separates the casing inner chamber for piston chamber and centre gripping chamber in the casing, the piston intracavity is provided with clamping spring, the centre gripping intracavity is provided with the wedge, the wedge with the piston links firmly, and the wedge can receive clamping spring elasticity at the piston to promote when the centre gripping intracavity removes movable stop outwards extends to the casing, the lateral part that the casing is located the centre gripping chamber still runs through and has seted up the import.

When the guide rail clamp holder is used, the shell is fixed on other parts or equipment needing to move on the guide rail, can be fixed on the front side, the rear side or the bottom of the equipment, and the sliding groove of the shell is matched with the guide rail. The guide rail is often a straight guide rail, and the slide groove is a straight groove, so that the guide rail holder can move synchronously along the guide rail when the equipment moves along the guide rail. In a default state, the clamping spring acts on the piston, so that the piston moves towards the clamping cavity, the width change of the wedge block can act on the movable stop block on the side wall of the sliding groove, part of the movable stop block extends out of the shell and abuts against the side part of the guide rail, clamping of the guide rail is achieved, and the equipment is positioned. When the locking is required to be released, a gaseous or liquid medium is input into the clamping cavity of the shell through the inlet, so that the piston moves by overcoming the elastic force of the clamping spring, the wedge-shaped block moves synchronously, the thrust borne by the movable stop block disappears, and the clamping on the guide rail is released.

In foretell guide rail holder, all wear to be equipped with movable dog on the both sides wall of spout, the quantity of piston, piston chamber, centre gripping spring and wedge is two, and with two movable dog corresponds the setting. Two movable check blocks on the two side walls of the sliding groove are close to each other for clamping, so that the equipment is positioned on the guide rail more stably.

In foretell guide rail holder, the casing is located run through on the lateral wall of spout and seted up the centre gripping hole, the inner of activity dog is located in the casing, the outer end of activity dog can certainly the casing is worn out to the centre gripping hole, the outside of activity dog the inner has the protrusion to be annular fender edge, and keeps off the width on edge and be greater than the aperture of centre gripping hole, the outside of activity dog still is overlapped and is equipped with the sealing washer, the sealing washer both ends respectively with keep off along and the inboard counterbalance of casing and lean on.

In foretell guide rail holder, the centre gripping intracavity still is provided with the sleeve that is the tube-shape, telescopic axial with the removal of piston is unanimous in opposite directions, the sleeve orientation one side of activity dog is run through and is seted up through-hole one, run through for the opposite side of activity dog on the sleeve and seted up through-hole two, all be provided with cylindric ejector pad in through-hole one and the through-hole two, the axis of ejector pad with telescopic axis is mutually perpendicular, the diameter of ejector pad is greater than telescopic wall thickness, the both sides of ejector pad can with the outside of wedge and the inboard counterbalance of activity dog lean on. Two ejector pads are positioned through the sleeve, so that the position of each ejector pad is corresponding to the movable stop block all the time, when the wedge blocks move, the width of the wedge blocks corresponding to the positions of the ejector pads is gradually increased, the side walls of the ejector pads are pushed, the movable stop blocks are pushed to extend out of the shell to achieve clamping, the ejector pads on the other side are used for being abutted against the inner wall of the shell to play a supporting role, and the clamping and positioning of the movable stop blocks are more stable.

In the above guide rail clamp holder, a return spring acting on the wedge block is further arranged in the clamping cavity, and the wedge block can move towards the piston cavity under the elastic force of the return spring.

In the above-mentioned guide rail clamp, a support spring is provided between an end surface of the sleeve, which is away from one end of the piston, and the inner wall of the housing.

In the above-mentioned guide rail clamp holder, a columnar support pin is disposed between the outer end faces of the two movable stoppers, and end faces at both ends of the support pin respectively abut against the outer end faces of the two movable stoppers. The guide rail clamp holder is in a normally closed state, namely, two movable check blocks are in opposite clamping states in a default state, empty clamping can be avoided due to the arrangement of the supporting pins, and the supporting pins can be taken off during actual use.

In the above-described rail clamp, the piston is fixed to the wedge block by a screw.

In the above-described rail clamp, the housing has a fixed stopper on the other side with respect to the movable stopper. The clamping holes can directly penetrate through two sides of the shell, the movable stop block is arranged at the clamping hole at the sliding groove, and the fixed gear fixedly connected with the shell is arranged on the other side of the clamping hole, so that the processing and the assembly and adjustment of parts are facilitated.

In the guide rail clamp holder, a pressurizing hole which can communicate the piston cavity to the outer side of the shell is further formed in the shell in a penetrating mode. Can be to the piston intracavity input medium through this pressure boost hole for improve the piston towards the pressure of piston chamber one side, and then promote the further removal of wedge, thereby improve the clamping-force to the guide rail lateral part, improve the stability of location.

Compared with the prior art, after the guide rail clamp holder is installed on equipment, the guide rail can be clamped by the two movable stop blocks which are oppositely arranged, the positioning stability of the equipment is ensured, and the working precision of the equipment is further ensured.

Drawings

Fig. 1 is a schematic sectional view of the present rail clamp.

In the figure, 1, a housing; 2. a chute; 3. a movable stop block; 4. a piston; 5. a clamping spring; 6. a wedge block; 8. blocking edges; 9. a seal ring; 10. a sleeve; 11. a first through hole; 12. a second through hole; 13. a push block; 14. a return spring; 16. a support pin; 17. fixing a stop block; 18. a piston cavity; 19. a clamping cavity.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, the guide rail holder comprises a housing 1 with an inner cavity, a concave sliding groove 2 for matching with a guide rail is arranged on the bottom surface of the middle part of the housing 1, and the sliding groove 2 is square and is arranged through the housing 1. The two sides of the sliding chute 2 are both provided with clamping structures, and the clamping structures are the same and symmetrically distributed with the sliding chute 2 as the center, and the clamping structure on one side of the sliding chute 2 is taken as an example for explanation.

Casing 1 runs through on the lateral wall that is located spout 2 and sets up the centre gripping hole for the round hole, wear to be equipped with the activity dog 3 that is the disk form in the centre gripping hole, the inner of this activity dog 3 is located casing 1, the outer end of activity dog 3 can wear out casing 1 from the centre gripping hole, the outside of activity dog 3 the inner has the protrusion to be the annular fender of circle along 8, and keep off along 8 width, the external diameter is greater than the aperture of centre gripping hole promptly, the outside of activity dog 3 still overlaps and is equipped with sealing

washer

9, 9 both ends of this sealing washer respectively with keep off along 8 and the inboard counterbalance of casing 1 and lean on.

A piston 4 is arranged in the shell 1, and the outer side of the piston 4 and the inner wall of the shell 1 are sealed through an O-shaped ring, so that the inner cavity of the shell 1 is divided into a piston cavity 18 and a clamping cavity 19. A clamping spring 5 is arranged in the piston cavity 18, and two ends of the clamping spring 5 respectively abut against the end surface of the piston 4 and the inner wall of the shell 1, so that the piston 4 has a tendency of moving towards the clamping cavity 19. The wedge block 6 is arranged in the clamping cavity 19, the width of the wedge block 6 is gradually reduced from the piston cavity 18 to the clamping cavity 19, and the wedge block 6 is fixedly connected with the piston 4 through a screw. The lateral part of the housing 1, which is located in the piston cavity 18, is also provided with a pressurizing hole through which the piston cavity 18 can be communicated to the outside of the housing 1, and the pressurizing hole can be used for inputting an external medium. In this embodiment, the inner port of the pressurizing hole has an arc shape.

The clamping cavity 19 is also provided with a cylindrical sleeve 10, the axial direction of the sleeve 10 is consistent with the movement direction of the piston 4, the section of the sleeve 10 is approximately in a rectangular frame shape, and the width of one side of the sleeve 10 facing the movable stop 3 is larger than the width of two adjacent sides of the sleeve. One side of sleeve 10 towards movable stop 3 runs through and has seted up through-hole 11, run through for movable stop 3's opposite side on the sleeve 10 and seted up through-hole two 12, equal level is provided with cylindric ejector pad 13 in through-hole one 11 and the through-hole two 12, the axis of ejector pad 13 is mutually perpendicular with the axis of sleeve 10 promptly, the diameter of ejector pad 13 is greater than the wall thickness of sleeve 10, make the sleeve 10 can be stretched out to the both sides of ejector pad 13, the both sides of ejector pad 13 can be leaned on with the outside of wedge 6 and the inboard of movable stop 3.

A return spring 14 acting on the wedge block 6 is further arranged in the clamping cavity 19, and the wedge block 6 can move towards the piston cavity 18 under the elastic force of the return spring 14. And a support spring is arranged between the end surface of the sleeve 10 far away from one end of the piston 4 and the inner wall of the shell 1. In this embodiment, a connecting hole is formed in the center of the wedge block 6 in a penetrating manner along the axial direction of the sleeve 10, a screw penetrates into the connecting hole and is fixedly connected with the wedge block 6, and one end of the return spring 14 extends into the connecting hole and abuts against the screw; for convenience of processing and use, the other side of the shell 1 opposite to the movable stop block 3 is also provided with a through hole, the through hole is connected with a disk-shaped fixed stop block 17 in a threaded manner, the outer side of one push block 13 far away from the movable stop block 3 abuts against the fixed stop block 17, and the side of the piston cavity 18 can be provided with a vent hole so as to facilitate the return of the piston 4.

When the guide rail clamp holder is used, the shell 1 is fixed on other parts or equipment needing to move on the guide rail through connecting modes such as a fastener and the like, and can be fixed on the front side, the rear side or the bottom of the equipment, and the sliding groove 2 of the shell 1 is matched with the guide rail, namely the guide rail penetrates through the sliding groove 2, and two side walls of the sliding groove 2 are opposite to two side surfaces of the guide rail. The guide rails are often straight guide rails and the slide grooves 2 are straight grooves, so that the guide rail holder can move synchronously along the guide rails when the equipment moves along the guide rails.

In a default state, the clamping spring 5 acts on the piston 4, so that the piston 4 moves towards the clamping cavity 19 and drives the wedge-shaped block 6 to move synchronously, two push blocks 13 in the sleeve 10 are pushed out towards two sides through the width change of the wedge-shaped block 6, one push block 13 is abutted against the fixed stop block 17 and keeps still, the other push block 13 is abutted against the inner end face of the movable stop block 3, and the movable stop block 3 is continuously pushed outwards along with the continuous movement of the wedge-shaped block 6, so that the outer end of the movable stop block 3 extends out of the shell 1 to clamp the guide rail. The two movable blocks 3 are used for clamping two sides of the guide rail in a two-way manner to position the equipment.

When the clamping force needs to be enhanced, a medium is input into the piston cavity 18 through the pressurizing hole in the shell 1, so that the pressure of one side, close to the piston cavity 18, of the piston 4 is increased, the piston 4 drives the wedge-shaped block 6 to further move towards the clamping cavity 19, and then the movable block 3 is pushed to further move outwards to be clamped, and the clamping force on the guide rail is improved.

When the locking is required to be released, a gaseous or liquid medium is input into the clamping cavity 19 of the shell 1 through an inlet at the side part of the clamping cavity 19, so that the piston 4 moves by overcoming the elastic force of the clamping spring 5, the wedge block 6 moves synchronously, the thrust borne by the movable stop block 3 disappears, and the clamping on the guide rail is released.

Because this guide rail holder is normally closed state, acquiescence state promptly, and two movable check blocks 3 are the clamping status in opposite directions, in order to avoid empty clamp, when not installing the use, set up between the outer terminal surface of two movable check blocks 3 and be the columnar supporting pin 16 to make the both ends terminal surface of supporting pin 16 respectively with two movable check blocks 3 outer terminal surface counterbalance. In actual use, the support pins 16 may be removed.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. Guide rail holder, including casing (1), its characterized in that, the bottom surface of casing (1) has recessed be used for with guide rail complex spout (2), wear to be equipped with on the lateral wall of spout (2) can partially stretch out movable dog (3) of casing (1), be provided with in casing (1) and separate piston (4) for piston chamber (18) and centre gripping chamber (19) with casing (1) inner chamber, be provided with clamping spring (5) in piston chamber (18), be provided with wedge (6) in centre gripping chamber (19), wedge (6) with piston (4) link firmly, and wedge (6) can receive clamping spring (5) elasticity in piston (4) to promote when removing in centre gripping chamber (19) movable dog (3) are stretched out outside casing (1), the lateral part that casing (1) are located centre gripping chamber (19) still runs through and has seted up the import.

2. The guide rail clamp holder according to claim 1, wherein the two side walls of the sliding groove (2) are provided with two movable stops (3) respectively, and the number of the pistons (4), the number of the piston cavities (18), the number of the clamping cavities (19), the number of the clamping springs (5) and the number of the wedge blocks (6) are two, and the two movable stops (3) are arranged correspondingly.

3. The guide rail holder according to claim 1 or 2, characterized in that the housing (1) is located on the side wall of the sliding groove (2) and has a holding hole formed therethrough, the inner end of the movable stopper (3) is located in the housing (1), the outer end of the movable stopper (3) can penetrate out of the housing (1) through the holding hole, the outer side of the inner end of the movable stopper (3) is provided with a protruding annular blocking edge (8), the width of the blocking edge (8) is larger than the aperture of the holding hole, the outer side of the movable stopper (3) is further sleeved with a sealing ring (9), and two ends of the sealing ring (9) respectively abut against the blocking edge (8) and the inner side of the housing (1).

4. The guide rail holder according to claim 1 or 2, characterized in that a cylindrical sleeve (10) is further arranged in the holding cavity (19), the axial direction of the sleeve (10) is consistent with the movement direction of the piston (4), a first through hole (11) is formed in one side, facing the movable stop block (3), of the sleeve (10), a second through hole (12) is formed in the other side, opposite to the movable stop block (3), of the sleeve (10), cylindrical push blocks (13) are arranged in the first through hole (11) and the second through hole (12), the axis of the push blocks (13) is perpendicular to the axis of the sleeve (10), the diameter of the push blocks (13) is larger than the wall thickness of the sleeve (10), and two sides of the push blocks (13) can abut against the outer side of the wedge-shaped block (6) and the inner side of the movable stop block (3).

5. Guide rail clamp according to claim 1 or 2, characterized in that a return spring (14) acting on the wedge-shaped block (6) is also arranged in the clamping chamber (19), the wedge-shaped block (6) being movable in the direction of the piston chamber (18) under the spring force of the return spring (14).

6. A guide rail clamp according to claim 4, characterized in that an abutment spring is arranged between the end surface of the sleeve (10) remote from the end of the piston (4) and the inner wall of the housing (1).

7. Guide rail clamp according to claim 2, characterized in that a support pin (16) in the shape of a column is arranged between the outer end faces of the two movable stops (3), the end faces of the support pin (16) abutting against the outer end faces of the two movable stops (3), respectively.

8. Guide rail clamp according to claim 1 or 2, characterized in that the piston (4) is fixed to the wedge-shaped block (6) by means of screws.

9. Guide rail clamp according to claim 1 or 2, characterized in that the housing (1) has a fixed stop (17) on the other side with respect to the movable stop (3).

10. Guide rail clamp according to claim 1 or 2, characterized in that the housing (1) is further perforated with a pressurizing hole which can communicate the piston chamber (18) to the outside of the housing (1).