CN219576788U - Screw transmission straight line module - Google Patents

Abstract

The utility model discloses a screw drive linear module. The linear module comprises a die carrier, a rod sleeve arranged on the die carrier, a screw rod which penetrates through the die carrier through the rod sleeve, a power motor for driving the screw rod, a sliding block, an anti-displacement assembly and an alignment assembly, wherein the sliding block is sleeved on the screw rod through threads. The anti-displacement assembly comprises two groups of support rods, two groups of cushion blocks arranged on the die carrier, a through cavity which is formed between the die carrier and the corresponding cushion blocks in a penetrating manner, and limiting sheets fixedly arranged on the corresponding support rods. The support rods vertically slide through the die frame and the cushion blocks through the corresponding through cavities. When the linear module is loaded in a direction which is not parallel to the movement direction, the linear module can keep stable stress, overcomes unbalanced load force, avoids transmission abrasion caused by back and forth shaking during linear movement, ensures the stability of module load operation, and can be disassembled and replaced conveniently without changing the linear module matching structure.

Description

Screw transmission straight line module

Technical Field

The utility model relates to a linear module, in particular to a screw transmission linear module.

Background

The linear module has the advantages of realizing linear motion of the load through the combination of the units, enabling automation of light load to be more flexible and positioning to be more accurate, and is usually used together with a power motor to convert electric energy into mechanical energy of linear motion without any other intermediate conversion mechanism. When the linear module is applied, the sliding block is used for carrying the workpiece to form complete conveying equipment, and the workpiece is matched with the forward and reverse rotation of the power motor to realize the work of automatic circulation of the reciprocating motion of the workpiece, so that the linear module is suitable for mass production and intensive production of equipment parts.

The traditional linear module, when actually working, can lead to the slider at the rectilinear movement in-process owing to receive the load of non-parallel direction of motion, rock around because of receiving the unbalance loading effort, cause the transmission wearing and tearing, reduce the problem of load operation stability.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the present utility model aims to provide a screw driving linear module to overcome unbalanced load force, avoid driving wear caused by back and forth shaking during linear movement, and ensure the stability of load operation of the module.

The screw transmission linear module comprises a die carrier, a rod sleeve arranged on the die carrier, a screw rod which penetrates through the die carrier through the rod sleeve, and a power motor for driving the screw rod;

the straight line module still includes:

the sliding block is sleeved on the screw rod through threads;

the anti-displacement assembly comprises two groups of support rods, two groups of cushion blocks arranged on the die carrier, a through cavity which is arranged between the die carrier and the corresponding cushion blocks in a penetrating way, and limiting sheets fixedly arranged on the corresponding support rods; and

the alignment assembly is used for providing connection positioning between the support rod and the sliding block;

the support rods vertically slide through the die frame and the cushion blocks through the corresponding through cavities.

The linear module can keep stable stress to overcome unbalanced load force, avoid transmission abrasion caused by back and forth shaking during linear movement, and ensure the stability of module load operation.

In one embodiment, the mold frame is in a frame structure; the number of the rod sleeves is two, and the two groups of the rod sleeves are respectively and fixedly installed at the center positions of the corresponding two side walls of the die carrier in a penetrating manner.

In one embodiment, the screw is arranged transversely, and the screw is fixedly connected to the output end of the power motor; the power motor is carried on the die carrier through a frame; and the sliding block is provided with a coordination cavity in a penetrating way, and the coordination cavity is matched with the screw rod.

Further, when the screw is driven by the power motor to perform rotary motion, the sliding block moves linearly along the screw.

In one embodiment, the screws are distributed in parallel between two groups of cushion blocks, and the cushion blocks are detachably arranged on the die carrier through bolts; the limiting piece is contacted with one side of the die carrier, which is opposite to the sliding block, of the cushion block.

In one embodiment, the alignment assembly comprises a slot arranged at the position of the sliding block facing the corresponding support rod, and a T-shaped plugboard which is matched with the slot and fixedly installed on the corresponding support rod; and a screw is connected between the T-shaped plugboard and the sliding block in a threaded manner.

Compared with the prior art, the utility model has the beneficial effects that: when the linear module is loaded in a direction which is not parallel to the movement direction, the linear module can keep stable stress and overcome unbalanced load force, transmission abrasion caused by back and forth shaking during linear movement is avoided, and the stability of module load operation is guaranteed.

Drawings

Fig. 1 is a front view of a screw drive linear module provided by the utility model.

Fig. 2 shows an exploded view of fig. 1.

Description of the main reference signs

1. A mould frame; 2. a rod sleeve; 3. a screw; 4. a power motor; 5. a slide block; 6. an anti-displacement assembly; 61. a support rod; 62. a cushion block; 63. a cavity is communicated; 64. a limiting piece; 7. an alignment assembly; 71. a slot; 72. t-shaped plugboard.

The foregoing general description of the utility model will be described in further detail with reference to the drawings and detailed description.

Detailed Description

The present utility model will be described in detail with reference to the accompanying drawings.

Referring to fig. 1-2, the present embodiment provides a screw driving linear module, which includes a mold frame 1, a rod sleeve 2 disposed on the mold frame 1, a screw 3 disposed through the mold frame 1 by the rod sleeve 2, a power motor 4 for driving the screw 3, a slider 5 screwed on the screw 3, an anti-displacement assembly 6, and an alignment assembly 7.

The die carrier 1 is in a frame structure, the number of the rod sleeves 2 is two, and the two groups of the rod sleeves 2 are respectively and fixedly arranged at the center positions of the corresponding two side walls of the die carrier 1 in a penetrating way. The screw rod 3 is transversely arranged, the screw rod 3 is fixedly connected to the output end of the power motor 4, and the power motor 4 is carried on the die carrier 1 through the frame. The slide block 5 is provided with a coordination cavity in a penetrating way, the coordination cavity is matched with the screw rod 3, and when the screw rod 3 is driven by the power motor 4 to do rotary motion, the slide block 5 does linear motion along the screw rod 3.

In this embodiment, based on the die carrier 1 as a base, an assembly support of a transmission assembly composed of a power motor 4, a screw 3 and a slide block 5 is provided, the screw 3 is driven to rotate by forward/reverse rotation of the power motor 4, at this time, the slide block 5 and the screw 3 are driven by threads to convert rotary motion into linear motion, and then the purpose of linear reciprocating motion of a workpiece loaded by the slide block 5 is achieved.

The anti-displacement assembly 6 comprises two groups of support rods 61, two groups of cushion blocks 62 arranged on the die carrier 1, a through cavity 63 which is arranged between the die carrier 1 and the corresponding cushion blocks 62 in a penetrating way, and a limiting piece 64 fixedly arranged on the corresponding support rods 61. The supporting rod 61 vertically slides through the die carrier 1 and the cushion block 62 through the corresponding through cavity 63. The screw rods 3 are distributed in parallel between the two groups of cushion blocks 62, and the cushion blocks 62 are detachably arranged on the die carrier 1 through bolts. The limiting piece 64 is contacted with one side of the die carrier 1 and the cushion block 62, which is away from the sliding block 5. In this embodiment, the cushion block 62 is movably installed on the mold frame 1, the through cavity 63 formed between the cushion block 62 is used to provide a moving channel of the supporting rod 61, the two groups of supporting rods 61 act on two corresponding sides of the sliding block 5, so that the bearing force of the two groups of supporting rods 61 is stable to overcome the unbalanced load force, and the limiting piece 64 is used to limit the placement of the supporting rods 61 in the through cavity 63, so that the whole anti-displacement assembly 6 can be flexibly disassembled without changing the matching structure of the linear mold set, and the structure is simple, the cost is low, and the applicability is good.

According to the embodiment, the sliding block 5 is stressed and balanced based on the anti-shifting assembly 6, so that when the sliding block is stressed by a load which is not parallel to the movement direction, the stress is stable, the unbalanced load force is overcome, transmission abrasion caused by back and forth shaking during linear movement is avoided, and the stability of module load operation is ensured.

The alignment assembly 7 is used for providing connection positioning between the support rod 61 and the slider 5, and the alignment assembly 7 includes a slot 71 formed at a position of the slider 5 facing the corresponding support rod 61, and a T-shaped plugboard 72 adapted to the slot 71 and fixedly mounted on the corresponding support rod 61. Screws are connected between the T-shaped plugboard 72 and the sliding block 5 in a threaded mode. In this embodiment, the T-shaped insert plate 72 is installed in the slot 71 and fixed, so that the support rod 61 and the slide block 5 are assembled, and when the slide block 5 drives the load workpiece to make linear motion, a balance effect is applied to two sides along the linear motion direction, so that stable motion is realized.

In this embodiment, the alignment assembly 7 is disposed such that the anti-displacement assembly 6 is assembled on the slider 5 in a plug-in manner, so as to be detachable to adapt to linear modules with different load distances.

In summary, compared with the current linear module, the linear module of the present embodiment has the following advantages: in addition, the anti-shifting accessory of the embodiment can be detached on the premise of not changing the matching structure of the linear module, so that the flexibility of operation is good, and the replacement is convenient.

The naming of the components involved is based on the functions described in the specification as naming standards, and is not limited by the specific terms used in the present utility model, and other terms may be selected by those skilled in the art to describe the names of the components of the present utility model.

Claims (6)

1. The screw transmission linear module comprises a die carrier (1), a rod sleeve (2) arranged on the die carrier (1), a screw (3) which penetrates through the die carrier (1) through the rod sleeve (2), and a power motor (4) for driving the screw (3);

the linear module is characterized by further comprising:

the sliding block (5) is sleeved on the screw rod (3) in a threaded manner;

the anti-displacement assembly (6) comprises two groups of support rods (61), two groups of cushion blocks (62) arranged on the die carrier (1), a through cavity (63) which is arranged between the die carrier (1) and the corresponding cushion block (62) in a penetrating way, and a limiting piece (64) fixedly arranged on the corresponding support rod (61); and

an alignment assembly (7) for providing a connection location between the strut (61) and the slider (5);

the supporting rods (61) vertically penetrate through the die carrier (1) and the cushion blocks (62) through corresponding through cavities (63) in a sliding mode.

2. The screw drive linear module according to claim 1, characterized in that the mould frame (1) is of a frame-type structure;

the number of the rod sleeves (2) is two, and the two groups of the rod sleeves (2) are respectively and fixedly installed at the center positions of the corresponding two side walls of the die carrier (1) in a penetrating mode.

3. The screw drive linear module according to claim 1, characterized in that the screw (3) is arranged transversely and the screw (3) is fixedly connected at the output of the power motor (4);

the power motor (4) is mounted on the die carrier (1) through a frame; the sliding block (5) is provided with a coordination cavity in a penetrating way, and the coordination cavity is matched with the screw rod (3).

4. A screw drive linear module according to claim 3, characterized in that the slide (5) moves linearly along the screw (3) when the screw (3) is driven in a rotational movement by the power motor (4).

5. The screw drive linear module according to claim 1, wherein the screws (3) are distributed in parallel between two groups of the cushion blocks (62), and the cushion blocks (62) are detachably arranged on the die carrier (1) through bolts;

the limiting piece (64) is contacted with one side of the die carrier (1) and one side of the cushion block (62) opposite to the sliding block (5).

6. The screw drive linear module according to claim 1, wherein the alignment assembly (7) comprises a slot (71) formed at the position of the sliding block (5) facing the corresponding support rod (61), and a T-shaped plugboard (72) which is matched with the slot (71) and fixedly installed on the corresponding support rod (61);

screw threads are connected between the T-shaped plugboard (72) and the sliding block (5).