Fixture trolley of drawing machine
By designing a limiting sleeve and a telescopic unit, the problem of unstable clamping force of existing drawing machine clamps is solved, achieving stable clamping and convenient release of steel pipes, thus improving the stability and efficiency of the drawing machine.
Patent Information
- Application Number
- CN202422072548.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2034-08-26
AI Technical Summary
The existing drawing machine clamps have a complex structure and unstable clamping force, which makes them prone to detaching from the steel pipe after prolonged use, affecting the stability of the drawing process.
It adopts a tapered limiting sleeve and clamping groove structure, combined with a telescopic unit, and uses a cylinder to drive the clamping plate to clamp the steel pipe, achieving a stable clamping force and self-locking during the pulling process, making it easy to release the steel pipe.
It achieves a simple structure and stable clamping force for steel pipe clamping, avoiding the problem of clamps detaching from steel pipes after long-term use, and improving the stability and efficiency of the drawing process.
Smart Images

Figure CN223862558U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a drawbench technology, concretely is a drawbench clamp trolley. BACKGROUND
[0002] The drawbench is the industrial equipment that is by mechanical equipment, lubricating equipment, electrical equipment, hydraulic and pneumatic system etc. and is the equipment that carries out the draw of metal material. The drawbench is used for the equipment that carries out the draw of metal at normal temperature.
[0003] The existing drawbench, when drawing the steel pipe, generally adopts the clamp to clamp the head of the steel pipe and then draws, and the structure of the clamp is relatively complex, and needs to be repeatedly clamped and opened in the draw process, and the working precision of the clamp will decrease after long time work, so that the clamping force of the steel pipe decreases, and the clamp is easy to separate from the steel pipe during the draw of the steel pipe, which is inconvenient to use. UTILITY MODEL CONTENT
[0004] In order to solve the defects of the prior art, the utility model provides a drawbench clamp trolley, which guides two clamping blocks to clamp the steel pipe through the limiting sleeve with a taper, is simple in structure, and stable in clamping force.
[0005] In order to realize the above technical purpose, the utility model adopts the following technical scheme: a drawbench clamp trolley, including the bottom plate, the bottom plate below is equipped with a plurality of mobile wheels, the bottom plate both sides are equipped with the mounting plate and the limiting sleeve, the mounting plate one side towards the limiting sleeve is equipped with the pneumatic cylinder, the limiting sleeve middle part is equipped with the clamping groove, the clamping groove wall towards the pneumatic cylinder direction gradually expands the mouth, the pneumatic cylinder piston rod end is equipped with the telescopic unit, the telescopic unit both sides are equipped with the clamping plate respectively, the clamping plate extends into the clamping groove and abuts with the clamping groove wall.
[0006] Preferably, the mounting plate is provided with a side frame on the side opposite to the pneumatic cylinder, the side frame is provided with a pin hole in the middle, a positioning pin is arranged in the pin hole, and the positioning pin is hinged with a guide rod.
[0007] Preferably, the bottom plate is provided with a joint below.
[0008] Preferably, the mobile wheel is provided with a protective sleeve on the outer periphery.
[0009] Preferably, the telescopic unit comprises a push block, a pull rod and two sliding blocks, the push block is fixed to the end of the piston rod of the pneumatic cylinder, the pull rod is arranged in the push block, the pull rod is provided with a sliding block on both ends, a spring is arranged between the sliding block and the push block, and the sliding block is fixedly connected with the clamping plate.
[0010] Preferably, the clamping plate is provided with a clamping block on the side opposite to the pneumatic cylinder, and the clamping block is provided with an anti-skid stripe on the side opposite to the clamping plate.
[0011] Preferably, the clamping plate is parallel to the clamping groove wall relative to the clamping block side.
[0012] Preferably, the limiting sleeve is provided with a plurality of buffer blocks relative to the mounting plate side.
[0013] In summary, the utility model obtains the following technical effects:
[0014] The drawing machine clamp trolley of the utility model adopts the limiting sleeve with the gradually flared clamping groove to guide the clamping of the two clamping blocks, has simple structure and stable clamping force, and can open the two clamping plates and conveniently loosen the steel pipe by cooperating with the telescopic unit. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the structure schematic view of the drawing machine clamp trolley of the utility model;
[0016] Figure 2 It is the plan view of the drawing machine clamp trolley of the utility model;
[0017] The description of the drawing of the utility model is as follows: 1, bottom plate; 2, mounting plate; 3, limiting sleeve; 4, side frame; 5, pin hole; 6, joint; 7, moving wheel; 8, protective sleeve; 9, clamping groove; 10, air cylinder; 11, push block; 12, pull rod; 13, sliding block; 14, clamping plate; 15, clamping block; 16, buffer block; 17, steel pipe. DETAILED DESCRIPTION
[0018] The utility model will be further described in detail in connection with the drawings.
[0019] The embodiment is merely an explanation of the utility model, and it is not a limitation of the utility model, and the person skilled in the art can make the modification without creative contribution according to the need after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.
[0020] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation of the utility model.
[0021] In addition, the terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" are only used for descriptive purpose and cannot be understood as indicating or implying relative importance or implying the number of the technical features indicated. Therefore, the features defined as "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more than two, unless otherwise specifically limited.
[0022] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0023] In the present application, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.
[0024] Embodiment one:
[0025] As shown in Fig. Figure 1 A drawing machine clamp trolley, as shown in Fig. 2, comprises a bottom plate 1, a plurality of moving wheels 7 are arranged below the bottom plate 1, mounting plates 2 and limiting sleeves 3 are arranged on both sides of the bottom plate 1, a cylinder 10 is arranged on one side of the mounting plate 2 facing the limiting sleeve 3, a clamping groove 9 is arranged in the middle of the limiting sleeve 3, the groove wall of the clamping groove 9 is gradually flared towards the direction of the cylinder 10, a telescopic unit is arranged at the end of the piston rod of the cylinder 10, clamping plates 14 are arranged on both sides of the telescopic unit respectively, the clamping plates 14 extend into the clamping groove 9 and abut against the groove wall of the clamping groove 9; the telescopic unit comprises a push block 11, a pull rod 12 and two sliding blocks 13, the push block 11 is fixed to the end of the piston rod of the cylinder 10, the pull rod 12 is arranged in the push block 11, the pull rod 12 is sleeved with the sliding blocks 13 at both ends, springs are arranged between the sliding blocks 13 and the push block 11, and the sliding blocks 13 are fixedly connected with the clamping plates 14.
[0026] The drawing machine clamp trolley of the embodiment adopts the limiting sleeve 3 provided with the gradually flared clamping groove 9 to guide the two clamping blocks 15 to clamp the steel pipe 17, which is simple in structure and stable in clamping force; and in cooperation with the telescopic unit, the two clamping plates 14 can be opened to facilitate loosening the steel pipe 17.
[0027] The side frame 4 is arranged on one side of the mounting plate 2 relative to the cylinder 10, the middle of the side frame 4 is provided with a pin hole 5, a positioning pin is arranged in the pin hole 5 and is hinged with a guide rod; the guide rod passes through the limiting plate of the drawing machine to guide the clamp trolley to move along the guide rail of the drawing machine and prevent the clamp trolley from being separated from the guide rail.
[0028] The bottom plate 1 is provided below with a joint 6; the joint 6 is used to connect the chain.
[0029] The moving wheel 7 is provided with a protective sleeve 8.
[0030] The clamping plate 14 is provided on one side relative to the cylinder 10 with a clamping block 15, and the clamping block 15 is provided on one side relative to the clamping plate 14 with an anti-skid stripe.
[0031] The clamping plate 14 is parallel to the groove wall of the clamping groove 9 on one side relative to the clamping block 15.
[0032] The limiting sleeve 3 is provided on one side relative to the mounting plate 2 with a plurality of buffer blocks 16.
[0033] Working principle: the power mechanism of the drawing machine drives the clamp trolley to move through the chain until the buffer block 16 hits the die, at this time the steel pipe 17 extends into the limiting sleeve 3, the cylinder 10 works to push the telescopic unit to extend, and through the guidance of the clamping groove 9, the two clamping blocks 15 clamp the steel pipe 17, and after the drawing force is formed, even if the cylinder 10 unloads, the clamping block 15, the limiting sleeve 3 and the steel pipe 17 form self-locking under the pulling of the drawing force, which has the effect of getting tighter and tighter, after the steel pipe 17 passes through the die, the cylinder 10 retracts the telescopic unit, the spring opens the sliding block 13, which is convenient for taking out the steel pipe 17.
[0034] The above is only a preferred embodiment of the present application, and does not limit the present application in any form, any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiment are within the scope of the technical scheme of the present application.
Claims
1. A drawing machine clamping trolley, characterized in that, The device includes a base plate with several casters underneath. Mounting plates and limiting sleeves are provided on both sides of the base plate. A cylinder is provided on the mounting plate facing the limiting sleeve. A clamping groove is provided in the middle of the limiting sleeve. The groove wall gradually widens towards the cylinder. A telescopic unit is provided at the end of the cylinder piston rod. Clamping plates are provided on both sides of the telescopic unit. The clamping plates extend into the clamping groove and abut against the groove wall.
2. The drawing machine clamping trolley according to claim 1, characterized in that, The mounting plate has a side bracket on one side relative to the cylinder. The side bracket has a pin hole in the middle, and a positioning pin passes through the pin hole. The positioning pin is hinged to the guide rod.
3. The drawing machine clamping trolley according to claim 1, characterized in that, A joint is provided below the base plate.
4. The drawing machine clamping trolley according to claim 1, characterized in that, The outer circumference of the moving wheels is covered with a protective sleeve.
5. A drawing machine clamping trolley according to claim 1, characterized in that, The telescopic unit includes a push block, a pull rod, and two sliders. The push block is fixed to the end of the cylinder piston rod. The pull rod passes through the push block. Sliders are sleeved at both ends of the pull rod. A spring is provided between the slider and the push block. The slider is fixedly connected to the clamping plate.
6. A drawing machine clamping trolley according to claim 1, characterized in that, The clamping plate has a clamping block on the side facing the cylinder, and the clamping block has anti-slip stripes on the side opposite to the clamping plate.
7. A drawing machine clamping trolley according to claim 6, characterized in that, The clamping plate is parallel to the wall of the clamping groove on one side relative to the clamping block.
8. A drawing machine clamping trolley according to claim 1, characterized in that, The limiting sleeve has several buffer blocks on the side opposite to the mounting plate.