Dovetail type driving mechanism

Abstract

The utility model relates to the technical field of driving mechanisms, and provides a dovetail type driving mechanism which comprises a clamping sliding block, one side of the clamping sliding block is connected with an adjustable sliding block in a sliding mode, the other side of the adjustable sliding block is provided with an oil cylinder, the adjustable sliding block comprises a straight sliding block and an inclined sliding block, and the straight sliding block and the inclined sliding block are arranged on the clamping sliding block. The straight sliding block and the inclined sliding block slide in an attached mode, the straight sliding block slides on one side of the clamping sliding block, a sliding mechanism is arranged between the straight sliding block and the clamping sliding block, positioning mechanisms are arranged at the two ends of the sliding mechanism, one side of the straight sliding block is fixedly connected with a dovetail sliding block, and the dovetail sliding block is fixedly connected with the clamping sliding block. Through the arrangement of the dovetail sliding block and the dovetail sliding groove, the whole adjustable sliding block can slide in the inclined plane direction, the power acting direction is kept unchanged, and the adjustable sliding block can extend in the two directions through small power.

Description

TECHNICAL FIELD

[0001] The utility model relates to drive mechanism technical field, concretely relates to swallow-tailed drive mechanism. BACKGROUND

[0002] Swallow-tailed drive mechanism is a kind of mechanical device using swallow-tail shape guide rail and sliding body to realize accurate transmission and positioning.Swallow-tailed drive mechanism is mainly composed of swallow-tail guide rail and swallow-tail sliding body, realizes the translational motion of object by the cooperation of swallow-tail shape, and has the characteristics such as high precision, high rigidity and good wear resistance.

[0003] According to the search, the existing patent (CN110374613B) discloses: a TBM propelling mechanism structure, the propelling mechanism structure comprises a propelling mechanism and a anti-twist spring plate installed on the propelling mechanism; the device using the propelling mechanism structure further comprises a front main beam, a hinged seat, a bracing device, a left bracing shoe, a right bracing shoe and a propelling sliding beam; the front main beam is connected with the propelling sliding beam in a fixed manner, the bracing device is installed on the propelling sliding beam and can slide forward and backward along the propelling sliding beam; the left bracing shoe and the right bracing shoe are respectively hingedly installed on the bracing device; one end of the propelling mechanism is rotationally connected with the front main beam, and the other end is hingedly connected with the corresponding left bracing shoe or right bracing shoe. As a preferred technical solution of the present application, the propelling mechanism is provided with two groups, and each group of propelling mechanisms is provided with two upper and lower distributed propelling mechanisms, and the two groups of propelling mechanisms are symmetrically arranged on both sides of the front main beam. As a preferred technical solution of the present application, mounting holes are formed in the two sides of the propelling mechanism. As a preferred technical solution of the present application, the anti-twist spring plates are respectively installed on the two sides of the two propelling mechanisms on the same side, and are connected with the two propelling mechanisms on the same side of the front main beam. As a preferred technical solution of the present application, the tail end of the propelling sliding beam is provided with a limiting disc, and a limiting buffer mechanism is fixed to the surface of the limiting disc opposite to the bracing device. As a preferred technical solution of the present application, the limiting buffer mechanism is provided with four and is distributed in an equidistant annular manner; the limiting buffer mechanism comprises a buffer block, a fixed block, a buffer spring and a mounting plate, one end of the fixed block is fixedly connected with the mounting plate, the other end face is provided with a buffer groove for embedding the end of the buffer block, one end of the buffer block is reciprocatingly embedded in the buffer groove, the other end of the buffer block extends out of the buffer groove, and the buffer spring is distributed between the embedded end face of the buffer block and the groove bottom of the buffer groove. As a preferred technical solution of the present application, a first limiting ring is fixed to the embedded end of the buffer block, and a second limiting ring corresponding to the first limiting ring is fixed to the inner side of the port of the buffer groove. Compared with the prior art, the present application has the beneficial effects that: the present application provides a propelling mechanism structure and a device using the propelling mechanism, which can reduce the installation distance of the upper and lower propelling mechanisms on each side of the front main beam, thereby improving the space utilization rate above and below the propelling mechanism, on the one hand, improving the design flexibility, and on the other hand, providing a larger space for manual auxiliary work.

[0004] However, in the above scheme, when the target object needs to follow the moving object, and the target object needs to keep the moving direction unchanged, this complex movement mode can be achieved in many ways, but usually multiple driving mechanisms are needed, but the combination of multiple driving mechanisms is not satisfactory in terms of simplicity and friction reduction.

[0005] In view of this, the dovetail type driving mechanism is provided. Invention content

[0006] The dovetail type driving mechanism solves the problem that the target object needs to move along with the moving object and needs to keep the moving direction unchanged in the related art, and the complex movement mode can be achieved in many ways, but usually multiple driving mechanisms are needed, but the combination of multiple driving mechanisms cannot satisfy the requirements of simplicity and friction reduction.

[0007] The technical scheme of the utility model discloses a dovetail type driving mechanism, including clamping sliding block: the one side of clamping sliding block is connected with adjustable sliding block slidingly, the other side of adjustable sliding block is provided with oil cylinder, adjustable sliding block includes straight sliding block and oblique sliding block, straight sliding block and oblique sliding block are pasted and slide, straight sliding block is located in the one side of clamping sliding block and slides, be provided with positioning mechanism between straight sliding block and clamping sliding block, the one side of straight sliding block is fixedly connected with dovetail sliding block, the inside of oblique sliding block is provided with dovetail sliding groove, dovetail sliding block is inserted in the inside sliding of dovetail sliding groove, oblique sliding block is oblique and slides, oil cylinder is fixed in the one side of adjustable sliding block through fixed mechanism, the pasting surface of clamping sliding block and straight sliding block is linear sliding, the pasting surface of oblique sliding block and straight sliding block is inclined sliding, through the dovetail sliding block and dovetail sliding groove set up can realize adjustable sliding block's whole along the inclined plane direction sliding and the direction of power action keeps unchanged, through smaller power can realize its extension to two directions.

[0008] Preferably, the positioning mechanism includes pneumatic telescopic rod two, limiting notch two, fixed hole, pneumatic telescopic rod one and slot one, the pneumatic telescopic rod two is fixed in the inside of straight sliding block, the one side of clamping sliding block is provided with limiting notch two, the extension end of pneumatic telescopic rod two is inserted into the inside of limiting notch two, by extending or retracting pneumatic telescopic rod two, pneumatic telescopic rod two is inserted into any limiting notch two inside when extending pneumatic telescopic rod two, and the straight sliding block is limited.

[0009] Preferably, the number of limiting notch two and slot one is multiple, multiple limiting notch two is equidistantly distributed on the side of clamping sliding block facing straight sliding block, multiple slot one is equidistantly distributed on the side of oblique sliding block facing straight sliding block, the pneumatic telescopic rod two is fixed on the side of the inside of straight sliding block, and the pneumatic telescopic rod one is fixed on the side of the inside of straight sliding block facing oblique sliding block.

[0010] Preferably, the fixed hole is formed in the inside of straight sliding block, and the fixed segment of the pneumatic telescopic rod two and the pneumatic telescopic rod one is fixedly connected to the inside of the fixed hole.

[0011] Preferably, the sliding mechanism comprises a T-shaped sliding groove and a T-shaped sliding block, a T-shaped sliding groove is arranged in the middle of the straight sliding block, the pneumatic telescopic rod two is located at one end of the T-shaped sliding groove and away from the T-shaped sliding groove, the T-shaped sliding block is slidably connected in the T-shaped sliding groove, and the T-shaped sliding block is fixedly connected to one side of the clamping sliding block.

[0012] Preferably, the T-shaped sliding block is away from the positioning mechanism, the pneumatic telescopic rod one and the pneumatic telescopic rod two are arranged on the two sides of the T-shaped sliding groove, the extension end of the pneumatic telescopic rod one faces the oblique sliding block, one end of the oblique sliding block is fixedly connected with the limiting slot one, under the action of the external thrust on the driving mechanism, the thrust point is first limited in the limiting slot one, at this time, the pneumatic telescopic rod two is extended into the limiting slot two, the pneumatic telescopic rod one is away from the inside of the oblique sliding block, in the process of pushing the oblique sliding block, the oil cylinder on one side slides in the oblique direction, but the direction of the power of the oil cylinder remains unchanged, then the pneumatic telescopic rod two is separated from the inside of the clamping sliding block, and the pneumatic telescopic rod one is extended into the slot one to position the straight sliding block and the oblique sliding block, so that the oil cylinder can be linearly pushed as a whole, and the oil cylinder can move in an arc direction, and the direction of the power of the oil cylinder remains unchanged.

[0013] Preferably, the fixing mechanism comprises a baffle, a bayonet and an antiskid pad, the baffle is fixed to one side of the adjustable sliding block, one end of the baffle is fixedly connected with the sliding block connecting plate, the baffle is located between the oil cylinder and the adjustable sliding block, the baffle is fixedly connected with the bayonet on one side, the inner wall of the bayonet is fixedly connected with the antiskid pad, and the oil cylinder is clamped in the antiskid pad.

[0014] Preferably, the antiskid pad is welded with the oil cylinder, the number of the bayonet is two, and the two bayonets are fixed to the same side of the baffle, and the clamping sliding block is fixedly connected with a pad.

[0015] The utility model discloses the beneficial effect is:

[0016] 1、the utility model discloses through setting up the dovetail sliding block and dovetail sliding groove can realize adjustable sliding block's whole along the slant direction sliding and the direction of power remains unchanged, through smaller power can realize its to two directions extension, through the extension or retraction pneumatic telescopic rod two, when extending pneumatic telescopic rod two, pneumatic telescopic rod two is inserted into any limiting slot two inside, and the straight sliding block is positioned.

[0017] 2, the utility model discloses a T -shaped sliding slot and T -shaped sliding block can be set up between the clamping sliding block and straight sliding block and limit, make it keep stable sliding, under the action of external thrust of driving mechanism, first limit the point of action of thrust in the inside of limit slot mouth no. 1, at this time, pneumatic telescopic rod no. 2 extends to the inside of limit slot mouth no. 2, pneumatic telescopic rod no. 1 is away from the inside of oblique sliding block, in the process of pushing oblique sliding block, the oil cylinder of one side is in the oblique direction sliding, but the direction of the power of oil cylinder keeps invariant, then, pneumatic telescopic rod no. 2 is separated from the inside of clamping sliding block, and pneumatic telescopic rod no. 1 extends to the inside of slot no. 1 and positions straight sliding block and oblique sliding block, can realize the whole linear advance of oil cylinder, in the process of advancing oblique sliding block, the positioning of pneumatic telescopic rod no. 2 in the process of sliding can realize the approximate arc direction movement of oil cylinder and the direction of the power of oil cylinder keeps invariant. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be explained further in detail below in combination with the drawings and specific embodiment.

[0019] Figure 1 It is the three -dimensional structure schematic diagram of one side view of the utility model;

[0020] Figure 2 It is the three -dimensional structure schematic diagram of another side view of the utility model;

[0021] Figure 3 It is the three -dimensional schematic diagram of the utility model from the bottom;

[0022] Figure 4 It is the internal structure schematic diagram of the utility model from the top;

[0023] Figure 5 It is the three -dimensional structure schematic diagram of the utility model Figure 4 Enlarged structure schematic diagram of A place in the utility model.

[0024] In the drawing: 1, clamping sliding block;2, adjustable sliding block;3, oil cylinder;4, sliding block connecting plate;5, baffle;6, bayonet;7, non-slip pad;8, dovetail sliding block;9, dovetail sliding slot;10, backing plate;11, straight sliding block;12, fixed hole;13, pneumatic telescopic rod no. 1;14, slot no. 1;15, limit slot mouth no. 1;16, pneumatic telescopic rod no. 2;17, limit slot mouth no. 2;18, T -shaped sliding slot;19, T -shaped sliding block;20, oblique sliding block. PREFERRED EMBODIMENT

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor are involved in the protection scope of the utility model.

[0026] Embodiment 1

[0027] The preferable embodiment of the dovetail type driving mechanism provided by the utility model is as shown in the figure: Figures 1 to 5 The dovetail type driving mechanism comprises a clamping sliding block 1, an adjustable sliding block 2 is slidably connected to one side of the clamping sliding block 1, and an oil cylinder 3 is arranged on the other side of the adjustable sliding block 2. The adjustable sliding block 2 comprises a straight sliding block 11 and an inclined sliding block 20, the straight sliding block 11 and the inclined sliding block 20 are slidably attached, the straight sliding block 11 is slidably arranged on one side of the clamping sliding block 1, a sliding mechanism is arranged between the straight sliding block 11 and the clamping sliding block 1, positioning mechanisms are arranged at both ends of the sliding mechanism, a dovetail sliding block 8 is fixedly connected to one side of the straight sliding block 11, a dovetail sliding groove 9 is formed in the interior of the inclined sliding block 20, the dovetail sliding block 8 is slidably inserted into the interior of the dovetail sliding groove 9, and the inclined sliding block 20 is obliquely slid. The oil cylinder 3 is fixed to one side of the adjustable sliding block 2 through a fixing mechanism, the abutting surface of the clamping sliding block 1 and the straight sliding block 11 is linearly slid, and the abutting surface of the inclined sliding block 20 and the straight sliding block 11 is obliquely slid.

[0028] It should be noted that the existing driving mechanism still has certain deficiencies. When a target object needs to move along with a moving object and also needs to keep the moving direction unchanged, this complex movement mode can be achieved in many ways, but usually multiple driving mechanisms need to be used. However, the combination of multiple driving mechanisms is not satisfactory in terms of simplicity and friction reduction.

[0029] In the embodiment, the adjustable sliding block 2 can slide along the inclined surface direction and the direction of power action remains unchanged through the arrangement of the dovetail sliding block 8 and the dovetail sliding groove 9, and the adjustable sliding block 2 can extend in two directions through a smaller power.

[0030] In the further preferable embodiment of the utility model, the positioning mechanism comprises a pneumatic telescopic rod two 16, a limiting slot two 17, a fixing hole 12, a pneumatic telescopic rod one 13 and a slot one 14, the pneumatic telescopic rod two 16 is fixed in the interior of the straight sliding block 11, the limiting slot two 17 is formed in one side of the clamping sliding block 1, and the extension end of the pneumatic telescopic rod two 16 is adapted to be inserted into the interior of the limiting slot two 17.

[0031] In the embodiment, the straight sliding block 11 is limited by inserting the pneumatic telescopic rod two 16 into the arbitrary limiting slot two 17 when extending the pneumatic telescopic rod two 16.

[0032] In the further preferred embodiment of the utility model, the number of the limiting slot two 17 and the slot one 14 is multiple, the multiple limiting slot two 17 is equidistantly distributed on the side of the clamping sliding block 1 facing the straight sliding block 11, the multiple slot one 14 is equidistantly distributed on the side of the oblique sliding block 20 facing the straight sliding block 11, the pneumatic telescopic rod two 16 is fixed on the side of the inside of the straight sliding block 11, and the pneumatic telescopic rod one 13 is fixed on the side of the inside of the straight sliding block 11 facing the oblique sliding block 20.

[0033] In the further preferred embodiment of the utility model, the both sides of the inside of the straight sliding block 11 are provided with the fixed hole 12, and the inside of the both sides of the fixed hole 12 is fixedly connected with the fixed section of the pneumatic telescopic rod two 16 and the pneumatic telescopic rod one 13 respectively.

[0034] Embodiment 2

[0035] On the basis of embodiment 1, the preferred embodiment of the dovetail type driving mechanism provided by the utility model is as shown in Figures 1 to 5 The sliding mechanism includes the T-shaped sliding groove 18 and the T-shaped sliding block 19, the middle position of the inside of the straight sliding block 11 is provided with the T-shaped sliding groove 18, the pneumatic telescopic rod two 16 is located at one end of the T-shaped sliding groove 18 and is away from the T-shaped sliding groove 18, the inside of the T-shaped sliding groove 18 is slidably connected with the T-shaped sliding block 19, and the T-shaped sliding block 19 is fixedly connected with one side of the clamping sliding block 1.

[0036] In the embodiment, the T-shaped sliding groove 18 and the T-shaped sliding block 19 can limit the clamping sliding block 1 and the straight sliding block 11, so that they can stably slide.

[0037] In the further preferred embodiment of the utility model, the T-shaped sliding block 19 is away from the positioning mechanism, the pneumatic telescopic rod one 13 and the pneumatic telescopic rod two 16 are respectively distributed on the both sides of the T-shaped sliding groove 18, the extension end of the pneumatic telescopic rod one 13 faces the oblique sliding block 20, and one end of the oblique sliding block 20 is fixedly connected with the limiting slot one 15.

[0038] In the embodiment, under the action of the driving mechanism by external thrust, firstly, the thrust action point is limited in the inside of the limiting slot one 15, at this time, the pneumatic telescopic rod two 16 is extended to the inside of the limiting slot two 17, the pneumatic telescopic rod one 13 is away from the inside of the oblique sliding block 20, in the process of pushing the oblique sliding block 20, the oil cylinder 3 on one side slides in the oblique direction, but the direction of the power action of the oil cylinder 3 remains unchanged, then the pneumatic telescopic rod two 16 is separated from the inside of the clamping sliding block 1, the pneumatic telescopic rod one 13 is extended to the inside of the insertion slot one 14 to position the straight sliding block 11 and the oblique sliding block 20, so that the whole oil cylinder 3 can be linearly pushed, in the process of pushing the oblique sliding block 20, the pneumatic telescopic rod two 16 is positioned in each hole position in the sliding process, so that the oil cylinder 3 can be moved in the approximate arc direction, and the direction of the power action of the oil cylinder 3 remains unchanged.

[0039] In the further preferred embodiment of the utility model, the fixing mechanism comprises a baffle 5, a bayonet 6 and an antiskid pad 7, the baffle 5 is fixed to one side of the adjustable sliding block 2, one end of the baffle 5 is fixedly connected with the sliding block connecting plate 4, the baffle 5 is located between the oil cylinder 3 and the adjustable sliding block 2, one side of the baffle 5 is fixedly connected with the bayonet 6, the inner wall of the bayonet 6 is fixedly connected with the antiskid pad 7, and the oil cylinder 3 is clamped in the inside of the antiskid pad 7.

[0040] In the further preferred embodiment of the utility model, the antiskid pad 7 is welded and fixed with the oil cylinder 3, the number of the bayonet 6 is two, the two bayonets 6 are fixed to the same side of the baffle 5, and the bottom of the clamping sliding block 1 is fixedly connected with a pad plate 10.

[0041] In the further preferred embodiment of the utility model, the antiskid pad 7 is welded and fixed with the oil cylinder 3, the number of the bayonet 6 is two, the two bayonets 6 are fixed to the same side of the baffle 5, and the bottom of the clamping sliding block 1 is fixedly connected with a pad plate 10.

[0042] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A dovetail drive mechanism, characterized by, The utility model provides a clamping slider (1) is connected with adjustable slider (2) on one side slidingly, and the other side of adjustable slider (2) is provided with oil cylinder (3), and adjustable slider (2) includes straight direction slider (11) and oblique direction slider (20), and straight direction slider (11) and oblique direction slider (20) are pasted and slide, and straight direction slider (11) is located on one side of clamping slider (1) and slides, and sliding mechanism is arranged between straight direction slider (11) and clamping slider (1), and the both ends of sliding mechanism are provided with positioning mechanism, and one side of straight direction slider (11) is fixedly connected with dovetail slider (8), and the inside of oblique direction slider (20) is provided with dovetail sliding slot (9), and dovetail slider (8) is inserted in the inside of dovetail sliding slot (9) and slides, and oblique direction slider (20) is oblique sliding, and oil cylinder (3) is fixed on one side of adjustable slider (2) through fixed mechanism, and the pasting surface of clamping slider (1) and straight direction slider (11) is linear sliding, and the pasting surface of oblique direction slider (20) and straight direction slider (11) is inclined line sliding.

2. The dovetail drive mechanism of claim 1, wherein, The positioning mechanism includes pneumatic telescopic rod two (16), limiting notch two (17), fixed hole (12), pneumatic telescopic rod one (13) and slot one (14), the inside of straight direction slider (11) is fixed with pneumatic telescopic rod two (16), one side of clamping slider (1) is provided with limiting notch two (17), and the extension end of pneumatic telescopic rod two (16) is inserted into the inside of limiting notch two (17).

3. The dovetail drive mechanism of claim 2, wherein, The number of limiting notch two (17) and slot one (14) is all provided with multiple, multiple limiting notch two (17) are equidistantly distributed on one side of clamping slider (1) facing straight direction slider (11), multiple slot one (14) are equidistantly distributed on one side of oblique direction slider (20) facing straight direction slider (11), the inside of straight direction slider (11) is fixed with one side of pneumatic telescopic rod two (16), and the inside of straight direction slider (11) is fixed with one side of pneumatic telescopic rod one (13) facing oblique direction slider (20).

4. The dovetail drive mechanism of claim 3, wherein, The both sides of the inside of straight direction slider (11) are provided with fixed hole (12), and the fixed segments of pneumatic telescopic rod two (16) and pneumatic telescopic rod one (13) are fixedly connected in the inside of both sides fixed hole (12).

5. The dovetail drive mechanism of claim 4, wherein, The inside of straight direction slider (11) is provided with T-shaped sliding slot (18) in the middle position, the one end of T-shaped sliding slot (18) is located pneumatic telescopic rod two (16) and is away from T-shaped sliding slot (18), the inside of T-shaped sliding slot (18) is slidably connected with T-shaped slider (19), and one side surface of T-shaped slider (19) is fixedly connected with clamping slider (1).

6. The dovetail drive mechanism of claim 5, wherein, The T-shaped slider (19) is away from positioning mechanism, and pneumatic telescopic rod one (13) and pneumatic telescopic rod two (16) are respectively distributed on the both sides of T-shaped sliding slot (18), and the extension end of pneumatic telescopic rod one (13) faces oblique direction slider (20), and one end of oblique direction slider (20) is fixedly connected with limiting notch one (15).

7. The dovetail drive mechanism of claim 1, wherein, Said fixed mechanism includes the baffle (5), the bayonet (6) and the non-slip mat (7), one side of the baffle (5) is fixed to the adjustable sliding block (2), one end of the baffle (5) is fixedly connected with the sliding block connecting plate (4), the baffle (5) is located between the oil cylinder (3) and the adjustable sliding block (2), one side of the baffle (5) is fixedly connected with the bayonet (6), the inner wall of the bayonet (6) is fixedly connected with the non-slip mat (7), the oil cylinder (3) is clamped in the inside of the non-slip mat (7).

8. The dovetail drive mechanism of claim 7, wherein, Said non-slip mat (7) is welded with the oil cylinder (3), the number of the bayonet (6) is provided with two, two bayonets (6) are all fixed on the same side of the baffle (5), the bottom of the clamping sliding block (1) is fixedly connected with the backing plate (10).

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